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<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2021 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GLPI is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

use Glpi\Event;

if (!defined('GLPI_ROOT')) {
   die("Sorry. You can't access this file directly");
}

/**
 * Ticket Class
**/
class Ticket extends CommonITILObject {

   // From CommonDBTM
   public $dohistory                   = true;
   static protected $forward_entity_to = ['TicketValidation', 'TicketCost'];

   // From CommonITIL
   public $userlinkclass               = 'Ticket_User';
   public $grouplinkclass              = 'Group_Ticket';
   public $supplierlinkclass           = 'Supplier_Ticket';

   static $rightname                   = 'ticket';

   protected $userentity_oncreate      = true;

   const MATRIX_FIELD                  = 'priority_matrix';
   const URGENCY_MASK_FIELD            = 'urgency_mask';
   const IMPACT_MASK_FIELD             = 'impact_mask';
   const STATUS_MATRIX_FIELD           = 'ticket_status';

   // HELPDESK LINK HARDWARE DEFINITION : CHECKSUM SYSTEM : BOTH=1*2^0+1*2^1=3
   const HELPDESK_MY_HARDWARE  = 0;
   const HELPDESK_ALL_HARDWARE = 1;

   // Specific ones
   /// Hardware datas used by getFromDBwithData
   public $hardwaredatas = [];
   /// Is a hardware found in getHardwareData / getFromDBwithData : hardware link to the job
   public $computerfound = 0;

   // Request type
   const INCIDENT_TYPE = 1;
   // Demand type
   const DEMAND_TYPE   = 2;

   const READMY           =      1;
   const READALL          =   1024;
   const READGROUP        =   2048;
   const READASSIGN       =   4096;
   const ASSIGN           =   8192;
   const STEAL            =  16384;
   const OWN              =  32768;
   const CHANGEPRIORITY   =  65536;
   const SURVEY           = 131072;


   function getForbiddenStandardMassiveAction() {

      $forbidden = parent::getForbiddenStandardMassiveAction();

      if (!Session::haveRightsOr(self::$rightname, [DELETE, PURGE])) {
         $forbidden[] = 'delete';
         $forbidden[] = 'purge';
         $forbidden[] = 'restore';
      }

      return $forbidden;
   }


   static function getTypeName($nb = 0) {
      return _n('Ticket', 'Tickets', $nb);
   }


   static function getMenuShorcut() {
      return 't';
   }


   static function getAdditionalMenuContent() {

      if (static::canCreate()) {
         $menu = [
            'create_ticket' => [
               'title' => __('Create ticket'),
               'page'  => static::getFormURL(false),
               'icon'  => 'fas fa-plus',
            ],
         ];
         return $menu;
      } else {
         return self::getAdditionalMenuOptions();
      }
   }


   static function getAdditionalMenuLinks() {
      global $CFG_GLPI;

      $links = parent::getAdditionalMenuLinks();
      if (Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights())) {
         $opt = [];
         $opt['reset']         = 'reset';
         $opt['criteria'][0]['field']      = 55; // validation status
         $opt['criteria'][0]['searchtype'] = 'equals';
         $opt['criteria'][0]['value']      = CommonITILValidation::WAITING;
         $opt['criteria'][0]['link']       = 'AND';

         $opt['criteria'][1]['field']      = 59; // validation aprobator
         $opt['criteria'][1]['searchtype'] = 'equals';
         $opt['criteria'][1]['value']      = Session::getLoginUserID();
         $opt['criteria'][1]['link']       = 'AND';

         $opt['criteria'][2]['field']      = 52; // global validation status
         $opt['criteria'][2]['searchtype'] = 'equals';
         $opt['criteria'][2]['value']      = CommonITILValidation::WAITING;
         $opt['criteria'][2]['link']       = 'AND';

         $opt['criteria'][3]['field']      = 12; // ticket status
         $opt['criteria'][3]['searchtype'] = 'equals';
         $opt['criteria'][3]['value']      = Ticket::CLOSED;
         $opt['criteria'][3]['link']       = 'AND NOT';

         $opt['criteria'][4]['field']      = 12; // ticket status
         $opt['criteria'][4]['searchtype'] = 'equals';
         $opt['criteria'][4]['value']      = Ticket::SOLVED;
         $opt['criteria'][4]['link']       = 'AND NOT';

         $pic_validate = "<img title=\"".__s('Ticket waiting for your approval')."\" alt=\"".
                           __s('Ticket waiting for your approval')."\" src='".
                           $CFG_GLPI["root_doc"]."/pics/menu_showall.png' class='pointer'>";

         $links[$pic_validate] = Ticket::getSearchURL(false) . '?'.Toolbox::append_params($opt, '&amp;');
      }

      return $links;
   }


   function canAssign() {
      if (isset($this->fields['is_deleted']) && ($this->fields['is_deleted'] == 1)
          || isset($this->fields['status']) && in_array($this->fields['status'], $this->getClosedStatusArray())
      ) {
         return false;
      }
      return Session::haveRight(static::$rightname, self::ASSIGN);
   }


   function canAssignToMe() {

      if (isset($this->fields['is_deleted']) && $this->fields['is_deleted'] == 1
         || isset($this->fields['status']) && in_array($this->fields['status'], $this->getClosedStatusArray())
      ) {
         return false;
      }
      return (Session::haveRight(self::$rightname, self::STEAL)
              || (Session::haveRight(self::$rightname, self::OWN)
                  && ($this->countUsers(CommonITILActor::ASSIGN) == 0)));
   }


   static function canUpdate() {

      // To allow update of urgency and category for post-only
      if (Session::getCurrentInterface() == "helpdesk") {
         return Session::haveRight(self::$rightname, CREATE);
      }

      return Session::haveRightsOr(self::$rightname,
                                   [UPDATE,
                                         self::ASSIGN,
                                         self::STEAL,
                                         self::OWN,
                                         self::CHANGEPRIORITY]);
   }


   static function canView() {
      return (Session::haveRightsOr(self::$rightname,
                                    [self::READALL, self::READMY, UPDATE, self::READASSIGN,
                                          self::READGROUP, self::OWN])
              || Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights()));
   }


   /**
    * Is the current user have right to show the current ticket ?
    *
    * @return boolean
   **/
   function canViewItem() {

      if (!Session::haveAccessToEntity($this->getEntityID())) {
         return false;
      }
      return (Session::haveRight(self::$rightname, self::READALL)
              || (Session::haveRight(self::$rightname, self::READMY)
                  && (($this->fields["users_id_recipient"] === Session::getLoginUserID())
                      || $this->isUser(CommonITILActor::REQUESTER, Session::getLoginUserID())
                      || $this->isUser(CommonITILActor::OBSERVER, Session::getLoginUserID())))
              || (Session::haveRight(self::$rightname, self::READGROUP)
                  && isset($_SESSION["glpigroups"])
                  && ($this->haveAGroup(CommonITILActor::REQUESTER, $_SESSION["glpigroups"])
                      || $this->haveAGroup(CommonITILActor::OBSERVER, $_SESSION["glpigroups"])))
              || (Session::haveRight(self::$rightname, self::READASSIGN)
                  && ($this->isUser(CommonITILActor::ASSIGN, Session::getLoginUserID())
                      || (isset($_SESSION["glpigroups"])
                          && $this->haveAGroup(CommonITILActor::ASSIGN, $_SESSION["glpigroups"]))
                      || (Session::haveRight(self::$rightname, self::ASSIGN)
                          && ($this->fields["status"] == self::INCOMING))))
              || (Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights())
                  && TicketValidation::canValidate($this->fields["id"])));
   }


   /**
    * Is the current user have right to approve solution of the current ticket ?
    *
    * @return boolean
   **/
   function canApprove() {

      return ((($this->fields["users_id_recipient"] === Session::getLoginUserID())
               &&  Session::haveRight('ticket', Ticket::SURVEY))
              || $this->isUser(CommonITILActor::REQUESTER, Session::getLoginUserID())
              || (isset($_SESSION["glpigroups"])
                  && $this->haveAGroup(CommonITILActor::REQUESTER, $_SESSION["glpigroups"])));
   }


   function canMassiveAction($action, $field, $value) {

      switch ($action) {
         case 'update' :
            switch ($field) {
               case 'status' :
                  if (!self::isAllowedStatus($this->fields['status'], $value)) {
                     return false;
                  }
                  break;
            }
            break;
      }
      return true;
   }

   /**
    * Check if current user can take into account the ticket.
    *
    * @return boolean
    */
   public function canTakeIntoAccount() {

      // Can take into account if user is assigned user
      if ($this->isUser(CommonITILActor::ASSIGN, Session::getLoginUserID())
          || (isset($_SESSION["glpigroups"])
             && $this->haveAGroup(CommonITILActor::ASSIGN, $_SESSION['glpigroups']))) {
         return true;
      }

      // Cannot take into account if user is a requester (and not assigned)
      if ($this->isUser(CommonITILActor::REQUESTER, Session::getLoginUserID())
          || (isset($_SESSION["glpigroups"])
             && $this->haveAGroup(CommonITILActor::REQUESTER, $_SESSION['glpigroups']))) {
         return false;
      }

      $canAddTask = Session::haveRight("task", CommonITILTask::ADDALLITEM);
      $canAddFollowup = Session::haveRightsOr(
         'followup',
         [
            ITILFollowup::ADDALLTICKET,
            ITILFollowup::ADDMYTICKET,
            ITILFollowup::ADDGROUPTICKET,
         ]
      );

      // Can take into account if user has rights to add tasks or followups,
      // assuming that users that does not have those rights cannot treat the ticket.
      return $canAddTask || $canAddFollowup;
   }

   /**
    * Check if ticket has already been taken into account.
    *
    * @return boolean
    */
   public function isAlreadyTakenIntoAccount() {

      return array_key_exists('takeintoaccount_delay_stat', $this->fields)
          && $this->fields['takeintoaccount_delay_stat'] != 0;
   }

   /**
    * Get Datas to be added for SLA add
    *
    * @param $slas_id      SLA id
    * @param $entities_id  entity ID of the ticket
    * @param $date         begin date of the ticket
    * @param $type         type of SLA
    *
    * @since 9.1 (before getDatasToAddSla without type parameter)
    *
    * @return array of datas to add in ticket
   **/
   function getDatasToAddSLA($slas_id, $entities_id, $date, $type) {

      list($dateField, $slaField) = SLA::getFieldNames($type);

      $calendars_id = Entity::getUsedConfig('calendars_id', $entities_id);
      $data         = [];

      $sla = new SLA();
      if ($sla->getFromDB($slas_id)) {
         $sla->setTicketCalendar($calendars_id);
         if ($sla->fields['type'] == SLM::TTR) {
            $data["slalevels_id_ttr"] = SlaLevel::getFirstSlaLevel($slas_id);
         }
         // Compute time_to_resolve
         $data[$dateField]             = $sla->computeDate($date);
         $data['sla_waiting_duration'] = 0;

      } else {
         $data["slalevels_id_ttr"]     = 0;
         $data[$slaField]              = 0;
         $data['sla_waiting_duration'] = 0;
      }
      return $data;

   }

   /**
    * Get Datas to be added for OLA add
    *
    * @param $olas_id      OLA id
    * @param $entities_id  entity ID of the ticket
    * @param $date         begin date of the ticket
    * @param $type         type of OLA
    *
    * @since 9.2 (before getDatasToAddOla without type parameter)
    *
    * @return array of datas to add in ticket
    **/
   function getDatasToAddOLA($olas_id, $entities_id, $date, $type) {

      list($dateField, $olaField) = OLA::getFieldNames($type);

      $calendars_id = Entity::getUsedConfig('calendars_id', $entities_id);
      $data         = [];

      $ola = new OLA();
      if ($ola->getFromDB($olas_id)) {
         $ola->setTicketCalendar($calendars_id);
         if ($ola->fields['type'] == SLM::TTR) {
            $data["olalevels_id_ttr"] = OlaLevel::getFirstOlaLevel($olas_id);
            $data['ola_ttr_begin_date'] = $date;
         }
         // Compute time_to_resolve
         $data[$dateField]             = $ola->computeDate($date);
         $data['ola_waiting_duration'] = 0;

      } else {
         $data["olalevels_id_ttr"]     = 0;
         $data[$olaField]              = 0;
         $data['ola_waiting_duration'] = 0;
      }
      return $data;

   }


   /**
    * Delete Level Agreement for the ticket
    *
    * @since 9.2
    *
    * @param string  $laType (SLA | OLA)
    * @param integer $id the sla/ola id
    * @param integer $subtype (SLM::TTR | SLM::TTO)
    * @param bool    $delete_date (default false)
    *
    * @return bool
    **/
   function deleteLevelAgreement($laType, $la_id, $subtype, $delete_date = false) {
      switch ($laType) {
         case "SLA":
            $prefix        = "sla";
            $prefix_ticket = "";
            $level_ticket  = new SlaLevel_Ticket();
            break;
         case "OLA":
            $prefix        = "ola";
            $prefix_ticket = "internal_";
            $level_ticket  = new OlaLevel_Ticket();
            break;
      }

      $input = [];
      switch ($subtype) {
         case SLM::TTR :
            $input[$prefix.'s_id_ttr'] = 0;
            if ($delete_date) {
               $input[$prefix_ticket.'time_to_resolve'] = '';
            }
            break;

         case SLM::TTO :
            $input[$prefix.'s_id_tto'] = 0;
            if ($delete_date) {
               $input[$prefix_ticket.'time_to_own'] = '';
            }
            break;
      }

      $input[$prefix.'_waiting_duration'] = 0;
      $input['id'] = $la_id;
      $level_ticket->deleteForTicket($la_id, $subtype);

      return $this->update($input);
   }


   /**
    * Is the current user have right to create the current ticket ?
    *
    * @return boolean
   **/
   function canCreateItem() {

      if (!Session::haveAccessToEntity($this->getEntityID())) {
         return false;
      }
      return self::canCreate();
   }


   /**
    * Is the current user have right to update the current ticket ?
    *
    * @return boolean
   **/
   function canUpdateItem() {
      if (!$this->checkEntity()) {
         return false;
      }

      // for all, if no modification in ticket return true
      if ($can_requester = $this->canRequesterUpdateItem()) {
         return true;
      }

      // for self-service only, if modification in ticket, we can't update the ticket
      if (Session::getCurrentInterface() == "helpdesk"
          && !$can_requester) {
         return false;
      }

      // if we don't have global UPDATE right, maybe we can own the current ticket
      if (!Session::haveRight(self::$rightname, UPDATE)
          && !$this->ownItem()) {
         //we always return false, as ownItem() = true is managed by below self::canUpdate
         return false;
      }

      return self::canupdate();
   }


   /**
    * Is the current user is a requester of the current ticket and have the right to update it ?
    *
    * @return boolean
    */
   function canRequesterUpdateItem() {
       return ($this->isUser(CommonITILActor::REQUESTER, Session::getLoginUserID())
               || $this->fields["users_id_recipient"] === Session::getLoginUserID())
              && $this->fields['status'] != self::SOLVED
              && $this->fields['status'] != self::CLOSED
              && $this->numberOfFollowups() == 0
              && $this->numberOfTasks() == 0;
   }

   /**
    * Is the current user have OWN right and is the assigned to the ticket
    *
    * @return boolean
    */
   function ownItem() {
      return Session::haveRight(self::$rightname, self::OWN)
             && $this->isUser(CommonITILActor::ASSIGN, Session::getLoginUserID());
   }


   /**
    * @since 0.85
   **/
   static function canDelete() {

      // to allow delete for self-service only if no action on the ticket
      if (Session::getCurrentInterface() == "helpdesk") {
         return Session::haveRight(self::$rightname, CREATE);
      }
      return Session::haveRight(self::$rightname, DELETE);
   }

   /**
    * is the current user could reopen the current ticket
    * @since  9.2
    * @return boolean
    */
   function canReopen() {
      return Session::haveRight('followup', CREATE)
             && in_array($this->fields["status"], $this->getClosedStatusArray())
             && ($this->isAllowedStatus($this->fields['status'], self::INCOMING)
                 || $this->isAllowedStatus($this->fields['status'], self::ASSIGNED));
   }


   /**
    * Is the current user have right to delete the current ticket ?
    *
    * @return boolean
   **/
   function canDeleteItem() {

      if (!Session::haveAccessToEntity($this->getEntityID())) {
         return false;
      }

      // user can delete his ticket if no action on it
      if (Session::getCurrentInterface() == "helpdesk"
          && (!($this->isUser(CommonITILActor::REQUESTER, Session::getLoginUserID())
               || $this->fields["users_id_recipient"] === Session::getLoginUserID())
             || $this->numberOfFollowups() > 0
             || $this->numberOfTasks() > 0
             || $this->fields["date"] != $this->fields["date_mod"])) {
         return false;
      }

      return static::canDelete();
   }

   /**
    * @see CommonITILObject::getDefaultActor()
   **/
   function getDefaultActor($type) {

      if ($type == CommonITILActor::ASSIGN) {
         if (Session::haveRight(self::$rightname, self::OWN)
             && $_SESSION['glpiset_default_tech']) {
            return Session::getLoginUserID();
         }
      }
      if ($type == CommonITILActor::REQUESTER) {
         if (Session::haveRight(self::$rightname, CREATE)
             && $_SESSION['glpiset_default_requester']) {
            return Session::getLoginUserID();
         }
      }
      return 0;
   }


   /**
    * @see CommonITILObject::getDefaultActorRightSearch()
   **/
   function getDefaultActorRightSearch($type) {

      $right = "all";
      if ($type == CommonITILActor::ASSIGN) {
         $right = "own_ticket";
         if (!Session::haveRight(self::$rightname, self::ASSIGN)) {
            $right = 'id';
         }
      }
      return $right;
   }


   function pre_deleteItem() {
      global $CFG_GLPI;

      if (!isset($this->input['_disablenotif']) && $CFG_GLPI['use_notifications']) {
         NotificationEvent::raiseEvent('delete', $this);
      }
      return true;
   }


   function getTabNameForItem(CommonGLPI $item, $withtemplate = 0) {

      if (static::canView()) {
         $nb    = 0;
         $title = self::getTypeName(Session::getPluralNumber());
         if ($_SESSION['glpishow_count_on_tabs']) {
            switch ($item->getType()) {
               case 'User' :
                  $nb = countElementsInTable(
                     ['glpi_tickets', 'glpi_tickets_users'], [
                        'glpi_tickets_users.tickets_id'  => new \QueryExpression(DB::quoteName('glpi_tickets.id')),
                        'glpi_tickets_users.users_id'    => $item->getID(),
                        'glpi_tickets_users.type'        => CommonITILActor::REQUESTER
                     ] + getEntitiesRestrictCriteria(self::getTable())
                  );
                  $title = __('Created tickets');
                  break;

               case 'Supplier' :
                  $nb = countElementsInTable(
                     ['glpi_tickets', 'glpi_suppliers_tickets'], [
                        'glpi_suppliers_tickets.tickets_id'    => new \QueryExpression(DB::quoteName('glpi_tickets.id')),
                        'glpi_suppliers_tickets.suppliers_id'  => $item->getID()
                     ] + getEntitiesRestrictCriteria(self::getTable())
                  );
                  break;

               case 'SLA' :
                  $nb = countElementsInTable(
                     'glpi_tickets', [
                        'OR'  => [
                           'slas_id_tto'  => $item->getID(),
                           'slas_id_ttr'  => $item->getID()
                        ]
                     ]
                  );
                  break;
               case 'OLA' :
                  $nb = countElementsInTable(
                     'glpi_tickets', [
                        'OR'  => [
                           'olas_id_tto'  => $item->getID(),
                           'olas_id_ttr'  => $item->getID()
                        ]
                     ]
                  );
                  break;

               case 'Group' :
                  $nb = countElementsInTable(
                     ['glpi_tickets', 'glpi_groups_tickets'], [
                        'glpi_groups_tickets.tickets_id' => new \QueryExpression(DB::quoteName('glpi_tickets.id')),
                        'glpi_groups_tickets.groups_id'  => $item->getID(),
                        'glpi_groups_tickets.type'       => CommonITILActor::REQUESTER
                     ] + getEntitiesRestrictCriteria(self::getTable())
                  );
                  $title = __('Created tickets');
                  break;

               default :
                  // Direct one
                  $nb = countElementsInTable(
                     'glpi_items_tickets',
                     [
                        'INNER JOIN' => [
                           'glpi_tickets' => [
                              'FKEY' => [
                                 'glpi_items_tickets' => 'tickets_id',
                                 'glpi_tickets'       => 'id'
                              ]
                           ]
                        ],
                        'WHERE' => [
                           'itemtype' => $item->getType(),
                           'items_id' => $item->getID(),
                           'is_deleted' => 0
                        ]
                     ]
                  );

                  // Linked items
                  $linkeditems = $item->getLinkedItems();

                  if (count($linkeditems)) {
                     foreach ($linkeditems as $type => $tab) {
                        $nb += countElementsInTable(
                           'glpi_items_tickets',
                           [
                              'INNER JOIN' => [
                                 'glpi_tickets' => [
                                    'FKEY' => [
                                       'glpi_items_tickets' => 'tickets_id',
                                       'glpi_tickets'       => 'id'
                                    ]
                                 ]
                              ],
                              'WHERE' => [
                                 'itemtype' => $type,
                                 'items_id' => $tab,
                                 'is_deleted' => 0
                              ]
                           ]
                        );
                     }
                  }
                  break;
            }

         } // glpishow_count_on_tabs
         // Not for Ticket class
         if ($item->getType() != __CLASS__) {
            return self::createTabEntry($title, $nb);
         }
      } // self::READALL right check

      // Not check self::READALL for Ticket itself
      switch ($item->getType()) {
         case __CLASS__ :
            $ong    = [];

            $timeline    = $item->getTimelineItems();
            $nb_elements = count($timeline);
            $ong[1]      = __("Processing ticket")." <sup class='tab_nb'>$nb_elements</sup>";

            // enquete si statut clos
            $satisfaction = new TicketSatisfaction();
            if ($satisfaction->getFromDB($item->getID())
                && $item->fields['status'] == self::CLOSED) {
               $ong[3] = __('Satisfaction');
            }
            if ($item->canView()) {
               $ong[4] = __('Statistics');
            }
            return $ong;

         //   default :
         //      return _n('Ticket','Tickets', Session::getPluralNumber());
      }

      return '';
   }


   static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0) {

      switch ($item->getType()) {
         case __CLASS__ :
            switch ($tabnum) {

               case 1 :
                  echo "<div class='timeline_box'>";
                  $rand = mt_rand();
                  $item->showTimelineForm($rand);
                  $item->showTimeline($rand);
                  echo "</div>";
                  break;

               case 3 :
                  $satisfaction = new TicketSatisfaction();
                  if (($item->fields['status'] == self::CLOSED)
                      && $satisfaction->getFromDB($_GET["id"])) {

                     $duration = Entity::getUsedConfig('inquest_duration', $item->fields['entities_id']);
                     $date2    = strtotime($satisfaction->fields['date_begin']);
                     if (($duration == 0)
                         || (time() - $date2) <= $duration * DAY_TIMESTAMP) {
                        $satisfaction->showForm($item);
                     } else {
                        echo "<p class='center b'>".__('Satisfaction survey expired')."</p>";
                     }

                  } else {
                     echo "<p class='center b'>".__('No generated survey')."</p>";
                  }
                  break;

               case 4 :
                  $item->showStats();
                  break;
            }
            break;

         case 'Group' :
         case 'SLA' :
         case 'OLA' :
         default :
            self::showListForItem($item, $withtemplate);
      }
      return true;
   }


   function defineTabs($options = []) {
      $ong = [];

      $this->defineDefaultObjectTabs($ong, $options);
      $this->addStandardTab('TicketValidation', $ong, $options);
      $this->addStandardTab('KnowbaseItem_Item', $ong, $options);
      $this->addStandardTab('Item_Ticket', $ong, $options);

      if ($this->hasImpactTab()) {
         $this->addStandardTab('Impact', $ong, $options);
      }

      $this->addStandardTab('TicketCost', $ong, $options);
      $this->addStandardTab('Itil_Project', $ong, $options);
      $this->addStandardTab('ProjectTask_Ticket', $ong, $options);
      $this->addStandardTab('Problem_Ticket', $ong, $options);
      $this->addStandardTab('Change_Ticket', $ong, $options);

      $entity = $this->getEntityID();
      if (!(Entity::getUsedConfig('anonymize_support_agents', $entity)
         && Session::getCurrentInterface() == 'helpdesk')
      ) {
         $this->addStandardTab('Log', $ong, $options);
      }

      return $ong;
   }


   /**
    * Retrieve data of the hardware linked to the ticket if exists
    *
    * @return void
   **/
   function getAdditionalDatas() {

      $this->hardwaredatas = [];

      if (!empty($this->fields["id"])) {
         $item_ticket = new Item_Ticket();
         $data = $item_ticket->find(['tickets_id' => $this->fields["id"]]);

         foreach ($data as $val) {
            if (!empty($val["itemtype"]) && ($item = getItemForItemtype($val["itemtype"]))) {
               if ($item->getFromDB($val["items_id"])) {
                  $this->hardwaredatas[] = $item;
               }
            }
         }
      }

   }


   function cleanDBonPurge() {

      // OlaLevel_Ticket does not extends CommonDBConnexity
      $olaLevel_ticket = new OlaLevel_Ticket();
      $olaLevel_ticket->deleteForTicket($this->fields['id'], SLM::TTO);
      $olaLevel_ticket->deleteForTicket($this->fields['id'], SLM::TTR);

      // SlaLevel_Ticket does not extends CommonDBConnexity
      $slaLevel_ticket = new SlaLevel_Ticket();
      $slaLevel_ticket->deleteForTicket($this->fields['id'], SLM::TTO);
      $slaLevel_ticket->deleteForTicket($this->fields['id'], SLM::TTR);

      // TicketSatisfaction does not extends CommonDBConnexity
      $tf = new TicketSatisfaction();
      $tf->deleteByCriteria(['tickets_id' => $this->fields['id']]);

      // CommonITILTask does not extends CommonDBConnexity
      $tt = new TicketTask();
      $tt->deleteByCriteria(['tickets_id' => $this->fields['id']]);

      $this->deleteChildrenAndRelationsFromDb(
         [
            Change_Ticket::class,
            Item_Ticket::class,
            Problem_Ticket::class,
            ProjectTask_Ticket::class,
            TicketCost::class,
            Ticket_Ticket::class,
            TicketValidation::class,
         ]
      );

      parent::cleanDBonPurge();

   }


   function prepareInputForUpdate($input) {
      global $DB;

      // Get ticket : need for comparison
      $this->getFromDB($input['id']);

      // Clean new lines before passing to rules
      if (isset($input["content"])) {
         $input["content"] = preg_replace('/\\\\r\\\\n/', "\n", $input['content']);
         $input["content"] = preg_replace('/\\\\n/', "\n", $input['content']);
      }

      // automatic recalculate if user changes urgence or technician change impact
      $canpriority               = Session::haveRight(self::$rightname, self::CHANGEPRIORITY);
      if ((isset($input['urgency']) && $input['urgency'] != $this->fields['urgency'])
         || (isset($input['impact']) && $input['impact'] != $this->fields['impact'])
         && ($canpriority && !isset($input['priority']) || !$canpriority)
      ) {
         if (!isset($input['urgency'])) {
            $input['urgency'] = $this->fields['urgency'];
         }
         if (!isset($input['impact'])) {
            $input['impact'] = $this->fields['impact'];
         }
         $input['priority'] = self::computePriority($input['urgency'], $input['impact']);
      }

      // Security checks
      if (!Session::isCron()
          && !Session::haveRight(self::$rightname, self::ASSIGN)) {
         if (isset($input["_itil_assign"])
             && isset($input['_itil_assign']['_type'])
             && ($input['_itil_assign']['_type'] == 'user')) {

            // must own_ticket to grab a non assign ticket
            if ($this->countUsers(CommonITILActor::ASSIGN) == 0) {
               if ((!Session::haveRightsOr(self::$rightname, [self::STEAL, self::OWN]))
                   || !isset($input["_itil_assign"]['users_id'])
                   || ($input["_itil_assign"]['users_id'] != Session::getLoginUserID())) {
                  unset($input["_itil_assign"]);
               }

            } else {
               // Can not steal or can steal and not assign to me
               if (!Session::haveRight(self::$rightname, self::STEAL)
                   || !isset($input["_itil_assign"]['users_id'])
                   || ($input["_itil_assign"]['users_id'] != Session::getLoginUserID())) {
                  unset($input["_itil_assign"]);
               }
            }
         }

         // No supplier assign
         if (isset($input["_itil_assign"])
             && isset($input['_itil_assign']['_type'])
             && ($input['_itil_assign']['_type'] == 'supplier')) {
            unset($input["_itil_assign"]);
         }

         // No group
         if (isset($input["_itil_assign"])
             && isset($input['_itil_assign']['_type'])
             && ($input['_itil_assign']['_type'] == 'group')) {
            unset($input["_itil_assign"]);
         }
      }

      //must be handled here for tickets. @see CommonITILObject::prepareInputForUpdate()
      $input = $this->handleTemplateFields($input);
      if ($input === false) {
         return false;
      }

      if (isset($input['entities_id'])) {
         $entid = $input['entities_id'];
      } else {
         $entid = $this->fields['entities_id'];
      }

      $cat_id = $input['itilcategories_id'] ?? 0;
      if ($cat_id) {
         $input['itilcategories_id_code'] = ITILCategory::getById($cat_id)->fields['code'];
      }

      // Process Business Rules
      $this->fillInputForBusinessRules($input);

      // Add actors on standard input
      $rules               = new RuleTicketCollection($entid);
      $rule                = $rules->getRuleClass();
      $changes             = [];
      $post_added          = [];
      $tocleanafterrules   = [];
      $usertypes           = [
         CommonITILActor::ASSIGN    => 'assign',
         CommonITILActor::REQUESTER => 'requester',
         CommonITILActor::OBSERVER  => 'observer'
      ];
      foreach ($usertypes as $k => $t) {
         //handle new input
         if (isset($input['_itil_'.$t]) && isset($input['_itil_'.$t]['_type'])) {
            $field = $input['_itil_'.$t]['_type'].'s_id';
            if (isset($input['_itil_'.$t][$field])
                && !isset($input[$field.'_'.$t])) {
               $input['_'.$field.'_'.$t][]             = $input['_itil_'.$t][$field];
               $tocleanafterrules['_'.$field.'_'.$t][] = $input['_itil_'.$t][$field];
            }
         }

         //handle existing actors: load all existing actors from ticket
         //to make sure business rules will receive all informations, and not just
         //what have been entered in the html form.
         //
         //ref also this actor into $post_added to avoid the filling of $changes
         //and triggering businness rules when not needed
         $users = $this->getUsers($k);
         if (count($users)) {
            $field = 'users_id';
            foreach ($users as $user) {
               if (!isset($input['_'.$field.'_'.$t]) || !in_array($user[$field], $input['_'.$field.'_'.$t])) {
                  if (!isset($input['_'.$field.'_'.$t])) {
                     $post_added['_'.$field.'_'.$t] = '_'.$field.'_'.$t;
                  }
                  $input['_'.$field.'_'.$t][]             = $user[$field];
                  $tocleanafterrules['_'.$field.'_'.$t][] = $user[$field];
               }
            }
         }

         $groups = $this->getGroups($k);
         if (count($groups)) {
            $field = 'groups_id';
            foreach ($groups as $group) {
               if (!isset($input['_'.$field.'_'.$t]) || !in_array($group[$field], $input['_'.$field.'_'.$t])) {
                  if (!isset($input['_'.$field.'_'.$t])) {
                     $post_added['_'.$field.'_'.$t] = '_'.$field.'_'.$t;
                  }
                  $input['_'.$field.'_'.$t][]             = $group[$field];
                  $tocleanafterrules['_'.$field.'_'.$t][] = $group[$field];
               }
            }
         }

         $suppliers = $this->getSuppliers($k);
         if (count($suppliers)) {
            $field = 'suppliers_id';
            foreach ($suppliers as $supplier) {
               if (!isset($input['_'.$field.'_'.$t]) || !in_array($supplier[$field], $input['_'.$field.'_'.$t])) {
                  if (!isset($input['_'.$field.'_'.$t])) {
                     $post_added['_'.$field.'_'.$t] = '_'.$field.'_'.$t;
                  }
                  $input['_'.$field.'_'.$t][]             = $supplier[$field];
                  $tocleanafterrules['_'.$field.'_'.$t][] = $supplier[$field];
               }
            }
         }
      }

      foreach ($rule->getCriterias() as $key => $val) {
         if (array_key_exists($key, $input)
             && !array_key_exists($key, $post_added)) {
            if (!isset($this->fields[$key])
                || ($DB->escape($this->fields[$key]) != $input[$key])) {
               $changes[] = $key;
            }
         }
      }

      // Business Rules do not override manual SLA and OLA
      $manual_slas_id = [];
      $manual_olas_id = [];
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         list($dateField, $slaField) = SLA::getFieldNames($slmType);
         if (isset($input[$slaField]) && ($input[$slaField] > 0)) {
            $manual_slas_id[$slmType] = $input[$slaField];
         }

         list($dateField, $olaField) = OLA::getFieldNames($slmType);
         if (isset($input[$olaField]) && ($input[$olaField] > 0)) {
            $manual_olas_id[$slmType] = $input[$olaField];
         }
      }

      // Only process rules on changes
      if (count($changes)) {
         if (in_array('_users_id_requester', $changes)) {
            // If _users_id_requester changed : set _locations_id_of_requester
            $user = new User();
            if (isset($input["_itil_requester"]["users_id"])
                && $user->getFromDB($input["_itil_requester"]["users_id"])) {
               $input['_locations_id_of_requester'] = $user->fields['locations_id'];
               $changes[]                           = '_locations_id_of_requester';
            }
            // If _users_id_requester changed : add _groups_id_of_requester to changes
            $changes[] = '_groups_id_of_requester';
         }

         $input = $rules->processAllRules($input,
                                          $input,
                                          ['recursive'   => true,
                                                'entities_id' => $entid],
                                          ['condition'     => RuleTicket::ONUPDATE,
                                          'only_criteria' => $changes]);
         $input = Toolbox::stripslashes_deep($input);
      }

      // Clean actors fields added for rules
      foreach ($tocleanafterrules as $key => $val) {
         if ($input[$key] == $val) {
            unset($input[$key]);
         }
      }

      // Manage fields from auto update or rules : map rule actions to standard additional ones
      $usertypes  = ['assign', 'requester', 'observer'];
      $actortypes = ['user','group','supplier'];
      foreach ($usertypes as $t) {
         foreach ($actortypes as $a) {
            if (isset($input['_'.$a.'s_id_'.$t])) {
               switch ($a) {
                  case 'user' :
                     $additionalfield           = '_additional_'.$t.'s';
                     $input[$additionalfield][] = ['users_id' => $input['_'.$a.'s_id_'.$t]];
                     break;

                  default :
                     $additionalfield           = '_additional_'.$a.'s_'.$t.'s';
                     $input[$additionalfield][] = $input['_'.$a.'s_id_'.$t];
                     break;
               }
            }
         }
      }

      if (isset($input['_link'])) {
         $ticket_ticket = new Ticket_Ticket();
         if (!empty($input['_link']['tickets_id_2'])) {
            if ($ticket_ticket->can(-1, CREATE, $input['_link'])) {
               if ($ticket_ticket->add($input['_link'])) {
                  $input['_forcenotif'] = true;
               }
            } else {
               Session::addMessageAfterRedirect(__('Unknown ticket'), false, ERROR);
            }
         }
      }

      // SLA / OLA affect by rules : reset time_to_resolve / internal_time_to_resolve
      // Manual SLA / OLA defined : reset time_to_resolve / internal_time_to_resolve
      // No manual SLA / OLA and due date defined : reset auto SLA / OLA
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         $this->slaAffect($slmType, $input, $manual_slas_id);
         $this->olaAffect($slmType, $input, $manual_olas_id);
      }

      if (isset($input['content'])) {
         if (isset($input['_filename']) || isset($input['_content'])) {
            $input['_disablenotif'] = true;
         } else {
            $input['_donotadddocs'] = true;
         }
      }

      $input = parent::prepareInputForUpdate($input);
      return $input;
   }


   /**
    *  SLA affect by rules : reset time_to_resolve and time_to_own
    *  Manual SLA defined : reset time_to_resolve and time_to_own
    *  No manual SLA and due date defined : reset auto SLA
    *
    *  @since 9.1
    *
    * @param $type
    * @param $input
    * @param $manual_slas_id
    */
   function slaAffect($type, &$input, $manual_slas_id) {

      list($dateField, $slaField) = SLA::getFieldNames($type);

      // Restore slas
      if (isset($manual_slas_id[$type])
          && !isset($input['_'.$slaField])) {
         $input[$slaField] = $manual_slas_id[$type];
      }

      // Ticket update
      if (isset($this->fields['id']) && $this->fields['id'] > 0) {
         if (!isset($manual_slas_id[$type])
             && isset($input[$slaField]) && ($input[$slaField] > 0)
             && ($input[$slaField] != $this->fields[$slaField])) {

            if (isset($input[$dateField])) {
               // Unset due date
               unset($input[$dateField]);
            }
         }

         if (isset($input[$slaField]) && ($input[$slaField] > 0)
             && ($input[$slaField] != $this->fields[$slaField])) {

            $date = $this->fields['date'];
            /// Use updated date if also done
            if (isset($input["date"])) {
               $date = $input["date"];
            }
            // Get datas to initialize SLA and set it
            $sla_data = $this->getDatasToAddSLA($input[$slaField], $this->fields['entities_id'],
                                                $date, $type);
            if (count($sla_data)) {
               foreach ($sla_data as $key => $val) {
                  $input[$key] = $val;
               }
            }
         }
      } else { // Ticket add
         if (!isset($manual_slas_id[$type])
             && isset($input[$dateField]) && ($input[$dateField] != 'NULL')) {
            // Valid due date
            if ($input[$dateField] >= $input['date']) {
               if (isset($input[$slaField])) {
                  unset($input[$slaField]);
               }
            } else {
               // Unset due date
               unset($input[$dateField]);
            }
         }

         if (isset($input[$slaField]) && ($input[$slaField] > 0)) {
            // Get datas to initialize SLA and set it
            $sla_data = $this->getDatasToAddSLA($input[$slaField], $input['entities_id'],
                                                $input['date'], $type);
            if (count($sla_data)) {
               foreach ($sla_data as $key => $val) {
                  $input[$key] = $val;
               }
            }
         }
      }
   }

   /**
    *  OLA affect by rules : reset internal_time_to_resolve and internal_time_to_own
    *  Manual OLA defined : reset internal_time_to_resolve and internal_time_to_own
    *  No manual OLA and due date defined : reset auto OLA
    *
    *  @since 9.1
    *
    * @param $type
    * @param $input
    * @param $manual_olas_id
    */
   function olaAffect($type, &$input, $manual_olas_id) {

      list($dateField, $olaField) = OLA::getFieldNames($type);

      // Restore olas
      if (isset($manual_olas_id[$type])
          && !isset($input['_'.$olaField])) {
         $input[$olaField] = $manual_olas_id[$type];
      }

      // Ticket update
      if (isset($this->fields['id']) && $this->fields['id'] > 0) {
         if (!isset($manual_olas_id[$type])
             && isset($input[$olaField]) && ($input[$olaField] > 0)
             && ($input[$olaField] != $this->fields[$olaField])) {

            if (isset($input[$dateField])) {
               // Unset due date
               unset($input[$dateField]);
            }
         }

         if (isset($input[$olaField]) && ($input[$olaField] > 0)
             && ($input[$olaField] != $this->fields[$olaField]
                 || isset($input['_'.$olaField]))) {

            $date = date('Y-m-d H:i:s');

            // Get datas to initialize OLA and set it
            $ola_data = $this->getDatasToAddOLA($input[$olaField], $this->fields['entities_id'],
                                                $date, $type);
            if (count($ola_data)) {
               foreach ($ola_data as $key => $val) {
                  $input[$key] = $val;
               }
            }
         }
      } else { // Ticket add
         if (!isset($manual_olas_id[$type])
             && isset($input[$dateField]) && ($input[$dateField] != 'NULL')) {
            // Valid due date
            if ($input[$dateField] >= $input['date']) {
               if (isset($input[$olaField])) {
                  unset($input[$olaField]);
               }
            } else {
               // Unset due date
               unset($input[$dateField]);
            }
         }

         if (isset($input[$olaField]) && ($input[$olaField] > 0)) {
            // Get datas to initialize OLA and set it
            $ola_data = $this->getDatasToAddOLA($input[$olaField], $input['entities_id'],
                                                $input['date'], $type);
            if (count($ola_data)) {
               foreach ($ola_data as $key => $val) {
                  $input[$key] = $val;
               }
            }
         }
      }
   }


   /**
    * Manage SLA level escalation
    *
    * @since 9.1
    *
    * @param $slas_id
   **/
   function manageSlaLevel($slas_id) {

      $calendars_id = Entity::getUsedConfig('calendars_id', $this->fields['entities_id']);
      // Add first level in working table
      $slalevels_id = SlaLevel::getFirstSlaLevel($slas_id);

      $sla = new SLA();
      if ($sla->getFromDB($slas_id)) {
         $sla->setTicketCalendar($calendars_id);
         $sla->addLevelToDo($this, $slalevels_id);
      }
      SlaLevel_Ticket::replayForTicket($this->getID(), $sla->getField('type'));
   }

   /**
    * Manage OLA level escalation
    *
    * @since 9.1
    *
    * @param $slas_id
   **/
   function manageOlaLevel($slas_id) {

      $calendars_id = Entity::getUsedConfig('calendars_id', $this->fields['entities_id']);
      // Add first level in working table
      $olalevels_id = OlaLevel::getFirstOlaLevel($slas_id);

      $ola = new OLA();
      if ($ola->getFromDB($slas_id)) {
         $ola->setTicketCalendar($calendars_id);
         $ola->addLevelToDo($this, $olalevels_id);
      }
      OlaLevel_Ticket::replayForTicket($this->getID(), $ola->getField('type'));
   }


   function pre_updateInDB() {

      if (!$this->isTakeIntoAccountComputationBlocked($this->input)
         && !$this->isAlreadyTakenIntoAccount()
         && $this->canTakeIntoAccount()
         && !$this->isNew()
      ) {
         $this->updates[]                            = "takeintoaccount_delay_stat";
         $this->fields['takeintoaccount_delay_stat'] = $this->computeTakeIntoAccountDelayStat();
      }

      parent::pre_updateInDB();

   }


   /**
    * Compute take into account stat of the current ticket
   **/
   function computeTakeIntoAccountDelayStat() {

      if (isset($this->fields['id'])
          && !empty($this->fields['date'])) {
         $calendars_id = $this->getCalendar();
         $calendar     = new Calendar();

         // Using calendar
         if (($calendars_id > 0) && $calendar->getFromDB($calendars_id)) {
            return max(1, $calendar->getActiveTimeBetween($this->fields['date'],
                                                          $_SESSION["glpi_currenttime"]));
         }
         // Not calendar defined
         return max(1, strtotime($_SESSION["glpi_currenttime"])-strtotime($this->fields['date']));
      }
      return 0;
   }


   function post_updateItem($history = 1) {
      global $CFG_GLPI;

      parent::post_updateItem($history);

      //Action for send_validation rule : do validation before clean
      $this->manageValidationAdd($this->input);

      // Put same status on duplicated tickets when solving or closing (autoclose on solve)
      if (isset($this->input['status'])
          && in_array('status', $this->updates)
          && (in_array($this->input['status'], $this->getSolvedStatusArray())
              || in_array($this->input['status'], $this->getClosedStatusArray()))) {
         Ticket_Ticket::manageLinkedTicketsOnSolved($this->getID());
      }

      $donotif = count($this->updates);

      if (isset($this->input['_forcenotif'])) {
         $donotif = true;
      }

      // Manage SLA / OLA Level : add actions
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         list($dateField, $slaField) = SLA::getFieldNames($slmType);
         if (in_array($slaField, $this->updates)
             && ($this->fields[$slaField] > 0)) {
            $this->manageSlaLevel($this->fields[$slaField]);
         }

         list($dateField, $olaField) = OLA::getFieldNames($slmType);
         if (in_array($olaField, $this->updates)
             && ($this->fields[$olaField] > 0)) {
            $this->manageOlaLevel($this->fields[$olaField]);
         }
      }

      if (count($this->updates)) {
         // Update Ticket Tco
         if (in_array("actiontime", $this->updates)
             || in_array("cost_time", $this->updates)
             || in_array("cost_fixed", $this->updates)
             || in_array("cost_material", $this->updates)) {

            if (!empty($this->input["items_id"])) {
               foreach ($this->input["items_id"] as $itemtype => $items) {
                  foreach ($items as $items_id) {
                     if ($itemtype && ($item = getItemForItemtype($itemtype))) {
                        if ($item->getFromDB($items_id)) {
                           $newinput               = [];
                           $newinput['id']         = $items_id;
                           $newinput['ticket_tco'] = self::computeTco($item);
                           $item->update($newinput);
                        }
                     }
                  }
               }
            }
         }

         $donotif                 = true;
      }

      if (isset($this->input['_disablenotif'])) {
         $donotif = false;
      }

      if ($donotif && $CFG_GLPI["use_notifications"]) {
         $mailtype = "update";

         if (isset($this->input["status"])
             && $this->input["status"]
             && in_array("status", $this->updates)
             && in_array($this->input["status"], $this->getSolvedStatusArray())) {

            $mailtype = "solved";
         }

         if (isset($this->input["status"])
             && $this->input["status"]
             && in_array("status", $this->updates)
             && in_array($this->input["status"], $this->getClosedStatusArray())) {

            $mailtype = "closed";
         }
         // to know if a solution is approved or not
         if ((isset($this->input['solvedate']) && ($this->input['solvedate'] == 'NULL')
              && isset($this->oldvalues['solvedate']) && $this->oldvalues['solvedate'])
             && (isset($this->input['status'])
                 && ($this->input['status'] != $this->oldvalues['status'])
                 && ($this->oldvalues['status'] == self::SOLVED))) {

            $mailtype = "rejectsolution";
         }

         // Read again ticket to be sure that all data are up to date
         $this->getFromDB($this->fields['id']);
         NotificationEvent::raiseEvent($mailtype, $this);
      }

      // inquest created immediatly if delay = O
      $inquest       = new TicketSatisfaction();
      $rate          = Entity::getUsedConfig('inquest_config', $this->fields['entities_id'],
                                             'inquest_rate');
      $delay         = Entity::getUsedConfig('inquest_config', $this->fields['entities_id'],
                                             'inquest_delay');
      $type          = Entity::getUsedConfig('inquest_config', $this->fields['entities_id']);
      $max_closedate = $this->fields['closedate'];

      if (in_array("status", $this->updates)
          && in_array($this->input["status"], $this->getClosedStatusArray())
          && ($delay == 0)
          && ($rate > 0)
          && (mt_rand(1, 100) <= $rate)) {

         // For reopened ticket
         if ($inquest->getFromDB($this->fields['id'])) {
            $resp = $inquest->fields;
            $inquest->delete($resp);
         }

         $inquest->add(
            [
               'tickets_id'    => $this->fields['id'],
               'date_begin'    => $_SESSION["glpi_currenttime"],
               'entities_id'   => $this->fields['entities_id'],
               'type'          => $type,
               'max_closedate' => $max_closedate,
            ]
         );
      }
   }


   function prepareInputForAdd($input) {
      // Standard clean datas
      $input =  parent::prepareInputForAdd($input);
      if ($input === false) {
         return false;
      }

      // Check a self-service user can create a ticket for another user.
      // We condition the check with a bool flag set in front/tracking.injector.php (self-service ticket controller).
      // This to avoid plugins having their process broken.
      if (isset($input['check_delegatee'])
          && $input['check_delegatee']
          && !self::canDelegateeCreateTicket($input['_users_id_requester'], ($input['entities_id'] ?? -2))) {
         Session::addMessageAfterRedirect(__("You cannot create a ticket for this user"));
         return false;
      }

      if (!isset($input["requesttypes_id"])) {
         $input["requesttypes_id"] = RequestType::getDefault('helpdesk');
      }

      if (!isset($input['global_validation'])) {
         $input['global_validation'] = CommonITILValidation::NONE;
      }

      // Set additional default dropdown
      $dropdown_fields = ['_locations_id_of_requester', '_locations_id_of_item'];
      foreach ($dropdown_fields as $field) {
         if (!isset($input[$field])) {
            $input[$field] = 0;
         }
      }
      if (!isset($input['itemtype']) || !isset($input['items_id']) || !($input['items_id'] > 0)) {
         $input['itemtype'] = '';
      }

      // Get first item location
      $item = null;
      if (isset($input["items_id"])
            && is_array($input["items_id"])
            && (count($input["items_id"]) > 0)) {
         $infocom = new Infocom();
         foreach ($input["items_id"] as $itemtype => $items) {
            foreach ($items as $items_id) {
               if ($item = getItemForItemtype($itemtype)) {
                  $item->getFromDB($items_id);
                  $input['_states_id_of_item']    = $item->fields['states_id'];
                  $input['_locations_id_of_item'] = $item->fields['locations_id'];
                  if ($infocom->getFromDBforDevice($itemtype, $items_id)) {
                     $input['items_businesscriticities']
                        = Dropdown::getDropdownName('glpi_businesscriticities',
                                                    $infocom->fields['businesscriticities_id']);
                  }
                  if (isset($item->fields['groups_id'])) {
                     $input['_groups_id_of_item'] = $item->fields['groups_id'];

                  }
                  break(2);
               }
            }
         }
      }

      // Business Rules do not override manual SLA and OLA
      $manual_slas_id = [];
      $manual_olas_id = [];
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         list($dateField, $slaField) = SLA::getFieldNames($slmType);
         if (isset($input[$slaField]) && ($input[$slaField] > 0)) {
            $manual_slas_id[$slmType] = $input[$slaField];
         }
         list($dateField, $olaField) = OLA::getFieldNames($slmType);
         if (isset($input[$olaField]) && ($input[$olaField] > 0)) {
            $manual_olas_id[$slmType] = $input[$olaField];
         }
      }

      // fill auto-assign when no tech defined (only for tech)
      if (!isset($input['_auto_import'])
          && isset($_SESSION['glpiset_default_tech']) && $_SESSION['glpiset_default_tech']
          && Session::getCurrentInterface() == 'central'
          && (!isset($input['_users_id_assign']) || $input['_users_id_assign'] == 0)
          && Session::haveRight("ticket", Ticket::OWN)
      ) {
         $input['_users_id_assign'] = Session::getLoginUserID();
      }

      $cat_id = $input['itilcategories_id'] ?? 0;
      if ($cat_id) {
         $input['itilcategories_id_code'] = ITILCategory::getById($cat_id)->fields['code'];
      }

      // Process Business Rules
      $this->fillInputForBusinessRules($input);

      $rules = new RuleTicketCollection($input['entities_id']);

      // Set unset variables with are needed
      $tmprequester = 0;
      $user = new User();
      if (isset($input["_users_id_requester"])) {
         if (!is_array($input["_users_id_requester"])
             && $user->getFromDB($input["_users_id_requester"])) {
            $input['_locations_id_of_requester'] = $user->fields['locations_id'];
            $input['users_default_groups'] = $user->fields['groups_id'];
            $tmprequester = $input["_users_id_requester"];
         } else if (is_array($input["_users_id_requester"]) && ($user_id = reset($input["_users_id_requester"])) !== false) {
            if ($user->getFromDB($user_id)) {
               $input['_locations_id_of_requester'] = $user->fields['locations_id'];
               $input['users_default_groups'] = $user->fields['groups_id'];
            }
         }
      }

      // Clean new lines before passing to rules
      if (isset($input["content"])) {
         $input["content"] = preg_replace('/\\\\r\\\\n/', "\\n", $input['content']);
         $input["content"] = preg_replace('/\\\\n/', "\\n", $input['content']);
      }

      $input = $rules->processAllRules($input,
                                       $input,
                                       ['recursive' => true],
                                       ['condition' => RuleTicket::ONADD]);
      $input = Toolbox::stripslashes_deep($input);

      // Recompute default values based on values computed by rules
      $input = $this->computeDefaultValuesForAdd($input);

      if (isset($input['_users_id_requester'])
          && !is_array($input['_users_id_requester'])
          && ($input['_users_id_requester'] != $tmprequester)) {
         // if requester set by rule, clear address from mailcollector
         unset($input['_users_id_requester_notif']);
      }
      if (isset($input['_users_id_requester_notif'])
         && isset($input['_users_id_requester_notif']['alternative_email'])
         && is_array($input['_users_id_requester_notif']['alternative_email'])) {
         foreach ($input['_users_id_requester_notif']['alternative_email'] as $email) {
            if ($email && !NotificationMailing::isUserAddressValid($email)) {
               Session::addMessageAfterRedirect(
                  sprintf(__('Invalid email address %s'), $email),
                  false,
                  ERROR
               );
               return false;
            }
         }
      }

      // Manage auto assign
      $auto_assign_mode = Entity::getUsedConfig('auto_assign_mode', $input['entities_id']);

      switch ($auto_assign_mode) {
         case Entity::CONFIG_NEVER :
            break;

         case Entity::AUTO_ASSIGN_HARDWARE_CATEGORY :
            if ($item != null) {
               // Auto assign tech from item
               if ((!isset($input['_users_id_assign']) || ($input['_users_id_assign'] == 0))
                   && $item->isField('users_id_tech')) {
                  $input['_users_id_assign'] = $item->getField('users_id_tech');
               }
               // Auto assign group from item
               if ((!isset($input['_groups_id_assign']) || ($input['_groups_id_assign'] == 0))
                   && $item->isField('groups_id_tech')) {
                  $input['_groups_id_assign'] = $item->getField('groups_id_tech');
               }
            }
            // Auto assign tech/group from Category
            if (($input['itilcategories_id'] > 0)
                && ((!isset($input['_users_id_assign']) || !$input['_users_id_assign'])
                    || (!isset($input['_groups_id_assign']) || !$input['_groups_id_assign']))) {

               $cat = new ITILCategory();
               $cat->getFromDB($input['itilcategories_id']);
               if ((!isset($input['_users_id_assign']) || !$input['_users_id_assign'])
                   && $cat->isField('users_id')) {
                  $input['_users_id_assign'] = $cat->getField('users_id');
               }
               if ((!isset($input['_groups_id_assign']) || !$input['_groups_id_assign'])
                   && $cat->isField('groups_id')) {
                  $input['_groups_id_assign'] = $cat->getField('groups_id');
               }
            }
            break;

         case Entity::AUTO_ASSIGN_CATEGORY_HARDWARE :
            // Auto assign tech/group from Category
            if (($input['itilcategories_id'] > 0)
                && ((!isset($input['_users_id_assign']) || !$input['_users_id_assign'])
                    || (!isset($input['_groups_id_assign']) || !$input['_groups_id_assign']))) {

               $cat = new ITILCategory();
               $cat->getFromDB($input['itilcategories_id']);
               if ((!isset($input['_users_id_assign']) || !$input['_users_id_assign'])
                   && $cat->isField('users_id')) {
                  $input['_users_id_assign'] = $cat->getField('users_id');
               }
               if ((!isset($input['_groups_id_assign']) || !$input['_groups_id_assign'])
                   && $cat->isField('groups_id')) {
                  $input['_groups_id_assign'] = $cat->getField('groups_id');
               }
            }
            if ($item != null) {
               // Auto assign tech from item
               if ((!isset($input['_users_id_assign']) || ($input['_users_id_assign'] == 0))
                   && $item->isField('users_id_tech')) {
                  $input['_users_id_assign'] = $item->getField('users_id_tech');
               }
               // Auto assign group from item
               if ((!isset($input['_groups_id_assign']) || ($input['_groups_id_assign'] == 0))
                   && $item->isField('groups_id_tech')) {
                  $input['_groups_id_assign'] = $item->getField('groups_id_tech');
               }
            }
            break;
      }

      // Replay setting auto assign if set in rules engine or by auto_assign_mode
      // Do not force status if status has been set by rules
      if (((isset($input["_users_id_assign"])
           && ((!is_array($input['_users_id_assign']) &&  $input["_users_id_assign"] > 0)
               || is_array($input['_users_id_assign']) && count($input['_users_id_assign']) > 0))
           || (isset($input["_groups_id_assign"])
           && ((!is_array($input['_groups_id_assign']) && $input["_groups_id_assign"] > 0)
               || is_array($input['_groups_id_assign']) && count($input['_groups_id_assign']) > 0))
           || (isset($input["_suppliers_id_assign"])
           && ((!is_array($input['_suppliers_id_assign']) && $input["_suppliers_id_assign"] > 0)
               || is_array($input['_suppliers_id_assign']) && count($input['_suppliers_id_assign']) > 0)))
          && (in_array($input['status'], $this->getNewStatusArray()))
          && !$this->isStatusComputationBlocked($input)) {
         $input["status"] = self::ASSIGNED;
      }

      // Manage SLA / OLA asignment
      // Manual SLA / OLA defined : reset due date
      // No manual SLA / OLA and due date defined : reset auto SLA / OLA
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         $this->slaAffect($slmType, $input, $manual_slas_id);
         $this->olaAffect($slmType, $input, $manual_olas_id);
      }

      // auto set type if not set
      if (!isset($input["type"])) {
         $input['type'] = Entity::getUsedConfig('tickettype', $input['entities_id'], '',
                                                Ticket::INCIDENT_TYPE);
      }

      return $input;
   }


   function post_addItem() {
      global $CFG_GLPI;

      $this->manageValidationAdd($this->input);

      // Log this event
      $username = 'anonymous';
      if (isset($_SESSION["glpiname"])) {
         $username = $_SESSION["glpiname"];
      }
      Event::log($this->fields['id'], "ticket", 4, "tracking",
                 sprintf(__('%1$s adds the item %2$s'), $username,
                         $this->fields['id']));

      if (isset($this->input["_followup"])
          && is_array($this->input["_followup"])
          && (strlen($this->input["_followup"]['content']) > 0)) {

         $fup  = new ITILFollowup();
         $type = "new";
         if (isset($this->fields["status"]) && ($this->fields["status"] == self::SOLVED)) {
            $type = "solved";
         }
         $toadd = ['type'       => $type,
                        'items_id' => $this->fields['id'],
                        'itemtype' => 'Ticket'];

         if (isset($this->input["_followup"]['content'])
             && (strlen($this->input["_followup"]['content']) > 0)) {
            $toadd["content"] = $this->input["_followup"]['content'];
         }

         if (isset($this->input["_followup"]['is_private'])) {
            $toadd["is_private"] = $this->input["_followup"]['is_private'];
         }
         // $toadd['_no_notif'] = true;

         $fup->add($toadd);
      }

      if ((isset($this->input["plan"]) && count($this->input["plan"]))
          || (isset($this->input["actiontime"]) && ($this->input["actiontime"] > 0))) {

         $task = new TicketTask();
         $type = "new";
         if (isset($this->fields["status"]) && ($this->fields["status"]  == self::SOLVED)) {
            $type = "solved";
         }
         $toadd = ["type"        => $type,
                  "tickets_id"   => $this->fields['id'],
                  "actiontime"   => $this->input["actiontime"],
                  "state"        => Planning::DONE,
                  "content"      => __("Auto-created task") ];

         if (isset($this->input["plan"]) && count($this->input["plan"])) {
            $toadd["plan"] = $this->input["plan"];
         }

         if (isset($_SESSION['glpitask_private'])) {
            $toadd['is_private'] = $_SESSION['glpitask_private'];
         }

         // $toadd['_no_notif'] = true;

         $task->add($toadd);
      }

      $ticket_ticket = new Ticket_Ticket();

      // From interface
      if (isset($this->input['_link'])) {
         $this->input['_link']['tickets_id_1'] = $this->fields['id'];
         // message if ticket's ID doesn't exist
         if (!empty($this->input['_link']['tickets_id_2'])) {
            if ($ticket_ticket->can(-1, CREATE, $this->input['_link'])) {
               $ticket_ticket->add($this->input['_link']);
            } else {
               Session::addMessageAfterRedirect(__('Unknown ticket'), false, ERROR);
            }
         }
      }

      // From mailcollector : do not check rights
      if (isset($this->input["_linkedto"])) {
         $input2 = [
            'tickets_id_1' => $this->fields['id'],
            'tickets_id_2' => $this->input["_linkedto"],
            'link'         => Ticket_Ticket::LINK_TO,
         ];
         $ticket_ticket->add($input2);
      }

      // Manage SLA / OLA Level : add actions
      foreach ([SLM::TTR, SLM::TTO] as $slmType) {
         list($dateField, $slaField) = SLA::getFieldNames($slmType);
         if (isset($this->input[$slaField]) && ($this->input[$slaField] > 0)) {
            $this->manageSlaLevel($this->input[$slaField]);
         }
         list($dateField, $olaField) = OLA::getFieldNames($slmType);
         if (isset($this->input[$olaField]) && ($this->input[$olaField] > 0)) {
            $this->manageOlaLevel($this->input[$olaField]);
         }
      }

      // Add project task link if needed
      if (isset($this->input['_projecttasks_id'])) {
         $projecttask = new ProjectTask();
         if ($projecttask->getFromDB($this->input['_projecttasks_id'])) {
            $pt = new ProjectTask_Ticket();
            $pt->add(['projecttasks_id' => $this->input['_projecttasks_id'],
                           'tickets_id'      => $this->fields['id'],
                           /*'_no_notif'   => true*/]);
         }
      }

      if (isset($this->input['_promoted_fup_id']) && $this->input['_promoted_fup_id'] > 0) {
         $fup = new ITILFollowup();
         $fup->getFromDB($this->input['_promoted_fup_id']);
         $fup->update([
            'id'                 => $this->input['_promoted_fup_id'],
            'sourceof_items_id'  => $this->getID()
         ]);
         Event::log($this->getID(), "ticket", 4, "tracking",
              sprintf(__('%s promotes a followup from ticket %s'), $_SESSION["glpiname"], $fup->fields['items_id']));
      }

      $this->handleItemsIdInput();

      parent::post_addItem();

      // Processing Email
      if (!isset($this->input['_disablenotif']) && $CFG_GLPI["use_notifications"]) {
         // Clean reload of the ticket
         $this->getFromDB($this->fields['id']);

         $type = "new";
         if (isset($this->fields["status"]) && ($this->fields["status"] == self::SOLVED)) {
            $type = "solved";
         }
         NotificationEvent::raiseEvent($type, $this);
      }

      if (isset($_SESSION['glpiis_ids_visible']) && !$_SESSION['glpiis_ids_visible']) {
         Session::addMessageAfterRedirect(sprintf(__('%1$s (%2$s)'),
                              __('Your ticket has been registered.'),
                                                  sprintf(__('%1$s: %2$s'), Ticket::getTypeName(1),
                                                          "<a href='".Ticket::getFormURLWithID($this->fields['id'])."'>".
                                                            $this->fields['id']."</a>")));
      }

   }


   /**
    * Manage Validation add from input
    *
    * @since 0.85
    *
    * @param $input array : input array
    *
    * @return boolean
   **/
   function manageValidationAdd($input) {

      //Action for send_validation rule
      if (isset($input["_add_validation"])) {
         if (isset($input['entities_id'])) {
            $entid = $input['entities_id'];
         } else if (isset($this->fields['entities_id'])) {
            $entid = $this->fields['entities_id'];
         } else {
            return false;
         }

         $validations_to_send = [];
         if (!is_array($input["_add_validation"])) {
            $input["_add_validation"] = [$input["_add_validation"]];
         }

         foreach ($input["_add_validation"] as $key => $validation) {
            switch ($validation) {
               case 'requester_supervisor' :
                  if (isset($input['_groups_id_requester'])
                      && $input['_groups_id_requester']) {
                     $users = Group_User::getGroupUsers(
                        $input['_groups_id_requester'],
                        ['is_manager' => 1]
                     );
                     foreach ($users as $data) {
                        $validations_to_send[] = $data['id'];
                     }
                  }
                  // Add to already set groups
                  foreach ($this->getGroups(CommonITILActor::REQUESTER) as $d) {
                     $users = Group_User::getGroupUsers(
                        $d['groups_id'],
                        ['is_manager' => 1]
                     );
                     foreach ($users as $data) {
                        $validations_to_send[] = $data['id'];
                     }
                  }
                  break;

               case 'assign_supervisor' :
                  if (isset($input['_groups_id_assign'])
                      && $input['_groups_id_assign']) {
                     $users = Group_User::getGroupUsers(
                        $input['_groups_id_assign'],
                        ['is_manager' => 1]
                     );
                     foreach ($users as $data) {
                        $validations_to_send[] = $data['id'];
                     }
                  }
                  foreach ($this->getGroups(CommonITILActor::ASSIGN) as $d) {
                     $users = Group_User::getGroupUsers(
                        $d['groups_id'],
                        ['is_manager' => 1]
                     );
                     foreach ($users as $data) {
                        $validations_to_send[] = $data['id'];
                     }
                  }
                  break;

               case 'requester_responsible':
                  if (isset($input['_users_id_requester'])) {
                     if (is_array($input['_users_id_requester'])) {
                        foreach ($input['_users_id_requester'] as $users_id) {
                           $user = new User();
                           if ($user->getFromDB($users_id)) {
                              $validations_to_send[] = $user->getField('users_id_supervisor');
                           }
                        }
                     } else {
                        $user = new User();
                        if ($user->getFromDB($input['_users_id_requester'])) {
                           $validations_to_send[] = $user->getField('users_id_supervisor');
                        }
                     }
                  }
                  break;

               default :
                  // Group case from rules
                  if ($key === 'group') {
                     foreach ($validation as $groups_id) {
                        $validation_right = 'validate_incident';
                        if (isset($input['type'])
                            && ($input['type'] == Ticket::DEMAND_TYPE)) {
                           $validation_right = 'validate_request';
                        }
                        $opt = ['groups_id' => $groups_id,
                                     'right'     => $validation_right,
                                     'entity'    => $entid];

                        $data_users = TicketValidation::getGroupUserHaveRights($opt);

                        foreach ($data_users as $user) {
                           $validations_to_send[] = $user['id'];
                        }
                     }
                  } else {
                     $validations_to_send[] = $validation;
                  }
            }

         }

         // Validation user added on ticket form
         if (isset($input['users_id_validate'])) {
            if (array_key_exists('groups_id', $input['users_id_validate'])) {
               foreach ($input['users_id_validate'] as $key => $validation_to_add) {
                  if (is_numeric($key)) {
                     $validations_to_send[] = $validation_to_add;
                  }
               }
            } else {
               foreach ($input['users_id_validate'] as $key => $validation_to_add) {
                  if (is_numeric($key)) {
                     $validations_to_send[] = $validation_to_add;
                  }
               }
            }
         }

         // Keep only one
         $validations_to_send = array_unique($validations_to_send);

         $validation          = new TicketValidation();

         if (count($validations_to_send)) {
            $values                = [];
            $values['tickets_id']  = $this->fields['id'];
            if (isset($input['id']) && $input['id'] != $this->fields['id']) {
               $values['_ticket_add'] = true;
            }

            // to know update by rules
            if (isset($input["_rule_process"])) {
               $values['_rule_process'] = $input["_rule_process"];
            }
            // if auto_import, tranfert it for validation
            if (isset($input['_auto_import'])) {
               $values['_auto_import'] = $input['_auto_import'];
            }

            // Cron or rule process of hability to do
            if (Session::isCron()
                || isset($input["_auto_import"])
                || isset($input["_rule_process"])
                || $validation->can(-1, CREATE, $values)) { // cron or allowed user

               $add_done = false;
               foreach ($validations_to_send as $user) {
                  // Do not auto add twice same validation
                  if (!TicketValidation::alreadyExists($values['tickets_id'], $user)) {
                     $values["users_id_validate"] = $user;
                     if ($validation->add($values)) {
                        $add_done = true;
                     }
                  }
               }
               if ($add_done) {
                  Event::log($this->fields['id'], "ticket", 4, "tracking",
                             sprintf(__('%1$s updates the item %2$s'), $_SESSION["glpiname"],
                                     $this->fields['id']));
               }
            }
         }
      }
      return true;
   }


   /**
    * Get active or solved tickets for an hardware last X days
    *
    * @since 0.83
    *
    * @param $itemtype  string   Item type
    * @param $items_id  integer  ID of the Item
    * @param $days      integer  day number
    *
    * @return array
   **/
   function getActiveOrSolvedLastDaysTicketsForItem($itemtype, $items_id, $days) {
      global $DB;

      $result = [];

      $iterator = $DB->request([
         'FROM'      => $this->getTable(),
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  $this->getTable()    => 'id'
               ]
            ]
         ],
         'WHERE'     => [
            'glpi_items_tickets.items_id' => $items_id,
            'glpi_items_tickets.itemtype' => $itemtype,
            'OR'                          => [
               [
                  'NOT' => [
                     $this->getTable() . '.status' => array_merge(
                        $this->getClosedStatusArray(),
                        $this->getSolvedStatusArray()
                     )
                  ]
               ],
               [
                  'NOT' => [$this->getTable() . '.solvedate' => null],
                  new \QueryExpression(
                     "ADDDATE(" . $DB->quoteName($this->getTable()) .
                     ".".$DB->quoteName('solvedate').", INTERVAL $days DAY) > NOW()"
                  )
               ]
            ]
         ]
      ]);

      while ($tick = $iterator->next()) {
         $result[$tick['id']] = $tick['name'];
      }

      return $result;
   }


   /**
    * Count active tickets for an hardware
    *
    * @since 0.83
    *
    * @param $itemtype  string   Item type
    * @param $items_id  integer  ID of the Item
    *
    * @return integer
   **/
   function countActiveTicketsForItem($itemtype, $items_id) {
      global $DB;

      $result = $DB->request([
         'COUNT'     => 'cpt',
         'FROM'      => $this->getTable(),
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  $this->getTable()    => 'id'
               ]
            ]
         ],
         'WHERE'     => [
            'glpi_items_tickets.itemtype' => $itemtype,
            'glpi_items_tickets.items_id' => $items_id,
            'NOT'                         => [
               $this->getTable() . '.status' => array_merge(
                  $this->getSolvedStatusArray(),
                  $this->getClosedStatusArray()
               )
            ]
         ]
      ])->next();
      return $result['cpt'];
   }

   /**
    * Get active tickets for an item
    *
    * @since 9.5
    *
    * @param string $itemtype     Item type
    * @param integer $items_id    ID of the Item
    * @param string $type         Type of the tickets (incident or request)
    *
    * @return DBmysqlIterator
    */
   public function getActiveTicketsForItem($itemtype, $items_id, $type) {
      global $DB;

      return $DB->request([
         'SELECT'    => [
            $this->getTable() . '.id',
            $this->getTable() . '.name',
            $this->getTable() . '.priority',
         ],
         'FROM'      => $this->getTable(),
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  $this->getTable()    => 'id'
               ]
            ]
         ],
         'WHERE'     => [
            'glpi_items_tickets.itemtype'    => $itemtype,
            'glpi_items_tickets.items_id'    => $items_id,
            $this->getTable() . '.is_deleted' => 0,
            $this->getTable() . '.type'      => $type,
            'NOT'                         => [
               $this->getTable() . '.status' => array_merge(
                  $this->getSolvedStatusArray(),
                  $this->getClosedStatusArray()
               )
            ]
         ]
      ]);
   }

   /**
    * Count solved tickets for an hardware last X days
    *
    * @since 0.83
    *
    * @param $itemtype  string   Item type
    * @param $items_id  integer  ID of the Item
    * @param $days      integer  day number
    *
    * @return integer
   **/
   function countSolvedTicketsForItemLastDays($itemtype, $items_id, $days) {
      global $DB;

      $result = $DB->request([
         'COUNT'     => 'cpt',
         'FROM'      => $this->getTable(),
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  $this->getTable()    => 'id'
               ]
            ]
         ],
         'WHERE'     => [
            'glpi_items_tickets.itemtype' => $itemtype,
            'glpi_items_tickets.items_id' => $items_id,
            $this->getTable() . '.status' => array_merge(
                  $this->getSolvedStatusArray(),
                  $this->getClosedStatusArray()
            ),
            new \QueryExpression(
               "ADDDATE(".$DB->quoteName($this->getTable().".solvedate").", INTERVAL $days DAY) > NOW()"
            ),
            'NOT'                         => [
               $this->getTable() . '.solvedate' => null
            ]
         ]
      ])->next();
      return $result['cpt'];
   }


   /**
    * Update date mod of the ticket
    *
    * @since 0.83.3 new proto
    *
    * @param $ID                           ID of the ticket
    * @param $no_stat_computation  boolean do not cumpute take into account stat (false by default)
    * @param $users_id_lastupdater integer to force last_update id (default 0 = not used)
   **/
   function updateDateMod($ID, $no_stat_computation = false, $users_id_lastupdater = 0) {

      if ($this->getFromDB($ID)) {
         if (!$no_stat_computation
             && !$this->isAlreadyTakenIntoAccount()
             && ($this->canTakeIntoAccount() || isCommandLine())) {
            return $this->update(
               [
                  'id'                         => $ID,
                  'takeintoaccount_delay_stat' => $this->computeTakeIntoAccountDelayStat(),
                  '_disablenotif'              => true
               ]
            );
         }

         parent::updateDateMod($ID, $no_stat_computation, $users_id_lastupdater);
      }
   }


   /**
    * Overloaded from commonDBTM
    *
    * @since 0.83
    *
    * @param $type itemtype of object to add
    *
    * @return rights
   **/
   function canAddItem($type) {

      if ($type == 'Document') {
         if ($this->getField('status') == self::CLOSED) {
            return false;
         }

         if ($this->canAddFollowups()) {
            return true;
         }
      }

      // as self::canUpdate & $this->canUpdateItem checks more general rights
      // (like STEAL or OWN),
      // we specify only the rights needed for this action
      return $this->checkEntity()
             && (Session::haveRight(self::$rightname, UPDATE)
                 || $this->canRequesterUpdateItem());
   }


   /**
    * Check if user can add followups to the ticket.
    *
    * @param integer $user_id
    *
    * @return boolean
    */
   public function canUserAddFollowups($user_id) {

      $entity_id = $this->fields['entities_id'];

      $group_user = new Group_User();
      $user_groups = $group_user->getUserGroups($user_id, ['entities_id' => $entity_id]);
      $user_groups_ids = [];
      foreach ($user_groups as $user_group) {
         $user_groups_ids[] = $user_group['id'];
      }

      $rightname = ITILFollowup::$rightname;

      return (
            Profile::haveUserRight($user_id, $rightname, ITILFollowup::ADDMYTICKET, $entity_id)
            && ($this->isUser(CommonITILActor::REQUESTER, $user_id)
               || (
                  isset($this->fields['users_id_recipient'])
                  && ($this->fields['users_id_recipient'] === $user_id)
               )
            )
         )
         || Profile::haveUserRight($user_id, $rightname, ITILFollowup::ADDALLTICKET, $entity_id)
         || (
            Profile::haveUserRight($user_id, $rightname, ITILFollowup::ADDGROUPTICKET, $entity_id)
            && $this->haveAGroup(CommonITILActor::REQUESTER, $user_groups_ids)
         )
         || $this->isUser(CommonITILActor::ASSIGN, Session::getLoginUserID())
         || $this->haveAGroup(CommonITILActor::ASSIGN, $user_groups_ids);
   }


   /**
    * Check current user can create a ticket for another given user
    *
    * @since 9.5.4
    *
    * @param int $requester_id the user for which we want to create the ticket
    * @param int $entity_restrict check entity when search users
    *            (keep null to check with current session entities)
    *
    * @return bool
    */
   public static function canDelegateeCreateTicket(int $requester_id, ?int $entity_restrict = null):bool {
      // if the user is a technician, no need to check delegates
      if (Session::getCurrentInterface() == "central") {
         return true;
      }

      // if the connected user is the ticket requester, we can create
      if ($requester_id == $_SESSION['glpiID']) {
         return true;
      }

      if ($entity_restrict === null) {
         $entity_restrict = $_SESSION["glpiactive_entity"] ?? 0;
      }

      // if user has no delegate groups, he can't create ticket for another user
      $delegate_groups = User::getDelegateGroupsForUser($entity_restrict);
      if (count($delegate_groups) == 0) {
         return false;
      }

      // retrieve users to check if given requester is part of them
      $users_delegatee_iterator = User::getSqlSearchResult(false, 'delegate', $entity_restrict);
      foreach ($users_delegatee_iterator as $user_data) {
         if ($user_data['id'] == $requester_id) {
            // user found
            return true;
         }
      }

      // user not found
      return false;
   }


   /**
    * Get default values to search engine to override
   **/
   static function getDefaultSearchRequest() {

      $search = ['criteria' => [0 => ['field'      => 12,
                                                     'searchtype' => 'equals',
                                                     'value'      => 'notclosed']],
                      'sort'     => 19,
                      'order'    => 'DESC'];

      if (Session::haveRight(self::$rightname, self::READALL)) {
         $search['criteria'][0]['value'] = 'notold';
      }
      return $search;
   }


   /**
    * @see CommonDBTM::getSpecificMassiveActions()
   **/
   function getSpecificMassiveActions($checkitem = null) {

      $actions = [];

      if (Session::getCurrentInterface() == 'central') {
         if (Ticket::canUpdate() && Ticket::canDelete()) {
            $actions[__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'merge_as_followup']
               = "<i class='ma-icon fas fa-code-branch'></i>".
                 __('Merge as Followup');
         }

         if (Item_Ticket::canCreate()) {
            $actions['Item_Ticket'.MassiveAction::CLASS_ACTION_SEPARATOR.'add_item']
               = "<i class='ma-icon fas fa-plus'></i>".
                 _x('button', 'Add an item');
         }

         if (ITILFollowup::canCreate()) {
            $actions['ITILFollowup'.MassiveAction::CLASS_ACTION_SEPARATOR.'add_followup']
               = "<i class='ma-icon far fa-comment'></i>".
                 __('Add a new followup');
         }

         if (TicketTask::canCreate()) {
            $actions[__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'add_task']
               = "<i class='ma-icon far fa-check-square'></i>".
                 __('Add a new task');
         }

         if (TicketValidation::canCreate()) {
            $actions['TicketValidation'.MassiveAction::CLASS_ACTION_SEPARATOR.'submit_validation']
               = "<i class='ma-icon fas fa-check'></i>".
                 __('Approval request');
         }

         if (Item_Ticket::canDelete()) {
            $actions['Item_Ticket'.MassiveAction::CLASS_ACTION_SEPARATOR.'delete_item']
               = _x('button', 'Remove an item');
         }

         if (Session::haveRight(self::$rightname, UPDATE)) {
            $actions[__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'add_actor']
               = "<i class='ma-icon fas fa-user'></i>".
                 __('Add an actor');
            $actions[__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'update_notif']
               = __('Set notifications for all actors');
            $actions['Ticket_Ticket'.MassiveAction::CLASS_ACTION_SEPARATOR.'add']
               = "<i class='ma-icon fas fa-link'></i>".
                 _x('button', 'Link tickets');

            KnowbaseItem_Item::getMassiveActionsForItemtype($actions, __CLASS__, 0, $checkitem);
         }
      }

      $actions += parent::getSpecificMassiveActions($checkitem);

      return $actions;
   }


   static function showMassiveActionsSubForm(MassiveAction $ma) {
      switch ($ma->getAction()) {
         case 'merge_as_followup' :
            $rand = mt_rand();
            $mergeparam = [
               'name'         => "_mergeticket",
               'used'         => $ma->items['Ticket'],
               'displaywith'  => ['id'],
               'rand'         => $rand
            ];
            echo "<table class='center-h'><tr>";
            echo "<td><label for='dropdown__mergeticket$rand'>".Ticket::getTypeName(1)."</label></td><td colspan='3'>";
            Ticket::dropdown($mergeparam);
            echo "</td></tr><tr><td><label for='with_followups'>".__('Merge followups')."</label></td><td>";
            Html::showCheckbox([
               'name'    => 'with_followups',
               'id'      => 'with_followups',
               'checked' => true
            ]);
            echo "</td><td><label for='with_documents'>".__('Merge documents')."</label></td><td>";
            Html::showCheckbox([
               'name'    => 'with_documents',
               'id'      => 'with_documents',
               'checked' => true
            ]);
            echo "</td></tr><tr><td><label for='with_tasks'>".__('Merge tasks')."<label></td><td>";
            Html::showCheckbox([
               'name'    => 'with_tasks',
               'id'      => 'with_tasks',
               'checked' => true
            ]);
            echo "</td><td><label for='with_actors'>".__('Merge actors')."</label></td><td>";
            Html::showCheckbox([
               'name'    => 'with_actors',
               'id'      => 'with_actors',
               'checked' => true
            ]);
            echo "</td></tr><tr><td><label for='dropdown_link_type$rand'>".__('Link type')."</label></td><td colspan='3'>";
            Dropdown::showFromArray('link_type', [
               0                             => __('None'),
               Ticket_Ticket::LINK_TO        => __('Linked to'),
               Ticket_Ticket::DUPLICATE_WITH => __('Duplicates'),
               Ticket_Ticket::SON_OF         => __('Son of'),
               Ticket_Ticket::PARENT_OF      => __('Parent of')
            ], ['value' => Ticket_Ticket::SON_OF, 'rand' => $rand]);
            echo "</td></tr><tr><tr><td colspan='4'>";
            echo Html::submit(_x('button', 'Merge'), [
               'name'      => 'merge',
               'confirm'   => __('Confirm the merge? This ticket will be deleted!')
            ]);
            echo "</td></tr></table>";
            return true;
      }
      return parent::showMassiveActionsSubForm($ma);
   }


   static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item,
                                                       array $ids) {
      switch ($ma->getAction()) {
         case 'merge_as_followup' :
            $input = $ma->getInput();
            $status = [];
            $mergeparams = [
               'linktypes' => [],
               'link_type'  => $input['link_type']
            ];

            if ($input['with_followups']) {
               $mergeparams['linktypes'][] = 'ITILFollowup';
            }
            if ($input['with_tasks']) {
               $mergeparams['linktypes'][] = 'TicketTask';
            }
            if ($input['with_documents']) {
               $mergeparams['linktypes'][] = 'Document';
            }
            if ($input['with_actors']) {
               $mergeparams['append_actors'] = [
                  CommonITILActor::REQUESTER,
                  CommonITILActor::OBSERVER,
                  CommonITILActor::ASSIGN];
            } else {
               $mergeparams['append_actors'] = [];
            }

            Ticket::merge($input['_mergeticket'], $ids, $status, $mergeparams);
            foreach ($status as $id => $status_code) {
               if ($status_code == 0) {
                  $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
               } else if ($status_code == 2) {
                  $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                  $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
               } else {
                  $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                  $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
               }
            }
            return;
      }
      parent::processMassiveActionsForOneItemtype($ma, $item, $ids);
   }


   function rawSearchOptions() {
      global $DB;

      $tab = [];

      $tab = array_merge($tab, $this->getSearchOptionsMain());

      $tab[] = [
         'id'                 => '155',
         'table'              => $this->getTable(),
         'field'              => 'time_to_own',
         'name'               => __('Time to own'),
         'datatype'           => 'datetime',
         'maybefuture'        => true,
         'massiveaction'      => false,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '158',
         'table'              => $this->getTable(),
         'field'              => 'time_to_own',
         'name'               => __('Time to own + Progress'),
         'massiveaction'      => false,
         'nosearch'           => true,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '159',
         'table'              => 'glpi_tickets',
         'field'              => 'is_late',
         'name'               => __('Time to own exceedeed'),
         'datatype'           => 'bool',
         'massiveaction'      => false,
         'computation'        => self::generateSLAOLAComputation('time_to_own')
      ];

      $tab[] = [
         'id'                 => '180',
         'table'              => $this->getTable(),
         'field'              => 'internal_time_to_resolve',
         'name'               => __('Internal time to resolve'),
         'datatype'           => 'datetime',
         'maybefuture'        => true,
         'massiveaction'      => false,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '181',
         'table'              => $this->getTable(),
         'field'              => 'internal_time_to_resolve',
         'name'               => __('Internal time to resolve + Progress'),
         'massiveaction'      => false,
         'nosearch'           => true,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '182',
         'table'              => $this->getTable(),
         'field'              => 'is_late',
         'name'               => __('Internal time to resolve exceedeed'),
         'datatype'           => 'bool',
         'massiveaction'      => false,
         'computation'        => self::generateSLAOLAComputation('internal_time_to_resolve')
      ];

      $tab[] = [
         'id'                 => '185',
         'table'              => $this->getTable(),
         'field'              => 'internal_time_to_own',
         'name'               => __('Internal time to own'),
         'datatype'           => 'datetime',
         'maybefuture'        => true,
         'massiveaction'      => false,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '186',
         'table'              => $this->getTable(),
         'field'              => 'internal_time_to_own',
         'name'               => __('Internal time to own + Progress'),
         'massiveaction'      => false,
         'nosearch'           => true,
         'additionalfields'   => ['status']
      ];

      $tab[] = [
         'id'                 => '187',
         'table'              => 'glpi_tickets',
         'field'              => 'is_late',
         'name'               => __('Internal time to own exceedeed'),
         'datatype'           => 'bool',
         'massiveaction'      => false,
         'computation'        => self::generateSLAOLAComputation('internal_time_to_own')
      ];

      $max_date = '99999999';
      $tab[] = [
         'id'                 => '188',
         'table'              => $this->getTable(),
         'field'              => 'next_escalation_level',
         'name'               => __('Next escalation level'),
         'datatype'           => 'datetime',
         'usehaving'          => true,
         'maybefuture'        => true,
         'massiveaction'      => false,
         // Get least value from TTO/TTR fields:
         // - use TTO fields only if ticket not already taken into account,
         // - use TTR fields only if ticket not already solved,
         // - replace NULL or not kept values with 99999999 to be sure that they will not be returned by the LEAST function,
         // - replace 99999999 by empty string to keep only valid values.
         'computation'        => "REPLACE(
            LEAST(
               IF(".$DB->quoteName('TABLE.takeintoaccount_delay_stat')." <= 0,
                  COALESCE(".$DB->quoteName('TABLE.time_to_own').", $max_date),
                  $max_date),
               IF(".$DB->quoteName('TABLE.takeintoaccount_delay_stat')." <= 0,
                  COALESCE(".$DB->quoteName('TABLE.internal_time_to_own').", $max_date),
                  $max_date),
               IF(".$DB->quoteName('TABLE.solvedate')." IS NULL,
                  COALESCE(".$DB->quoteName('TABLE.time_to_resolve').", $max_date),
                  $max_date),
               IF(".$DB->quoteName('TABLE.solvedate')." IS NULL,
                  COALESCE(".$DB->quoteName('TABLE.internal_time_to_resolve').", $max_date),
                  $max_date)
            ), $max_date, '')"
      ];

      $tab[] = [
         'id'                 => '14',
         'table'              => $this->getTable(),
         'field'              => 'type',
         'name'               => _n('Type', 'Types', 1),
         'searchtype'         => 'equals',
         'datatype'           => 'specific'
      ];

      $tab[] = [
         'id'                 => '13',
         'table'              => 'glpi_items_tickets',
         'field'              => 'items_id',
         'name'               => _n('Associated element', 'Associated elements', Session::getPluralNumber()),
         'datatype'           => 'specific',
         'comments'           => true,
         'nosort'             => true,
         'nosearch'           => true,
         'additionalfields'   => ['itemtype'],
         'joinparams'         => [
            'jointype'           => 'child'
         ],
         'forcegroupby'       => true,
         'massiveaction'      => false
      ];

      $tab[] = [
         'id'                 => '131',
         'table'              => 'glpi_items_tickets',
         'field'              => 'itemtype',
         'name'               => _n('Associated item type', 'Associated item types', Session::getPluralNumber()),
         'datatype'           => 'itemtypename',
         'itemtype_list'      => 'ticket_types',
         'nosort'             => true,
         'additionalfields'   => ['itemtype'],
         'joinparams'         => [
            'jointype'           => 'child'
         ],
         'forcegroupby'       => true,
         'massiveaction'      => false
      ];

      $tab[] = [
         'id'                 => '9',
         'table'              => 'glpi_requesttypes',
         'field'              => 'name',
         'name'               => RequestType::getTypeName(1),
         'datatype'           => 'dropdown'
      ];

      $location_so = Location::rawSearchOptionsToAdd();
      foreach ($location_so as &$so) {
         //duplicated search options :(
         switch ($so['id']) {
            case 3:
               $so['id'] = 83;
               break;
            case 91:
               $so['id'] = 84;
               break;
            case 92:
               $so['id'] = 85;
               break;
            case 93:
               $so['id'] = 86;
               break;
         }
      }
      $tab = array_merge($tab, $location_so);

      $tab = array_merge($tab, $this->getSearchOptionsActors());

      $tab[] = [
         'id'                 => 'sla',
         'name'               => __('SLA')
      ];

      $tab[] = [
         'id'                 => '37',
         'table'              => 'glpi_slas',
         'field'              => 'name',
         'linkfield'          => 'slas_id_tto',
         'name'               => __('SLA')."&nbsp;".__('Time to own'),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'condition'          => "AND NEWTABLE.`type` = '".SLM::TTO."'"
         ],
         'condition'          => ['glpi_slas.type' => SLM::TTO],
      ];

      $tab[] = [
         'id'                 => '30',
         'table'              => 'glpi_slas',
         'field'              => 'name',
         'linkfield'          => 'slas_id_ttr',
         'name'               => __('SLA')."&nbsp;".__('Time to resolve'),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'condition'          => "AND NEWTABLE.`type` = '".SLM::TTR."'"
         ],
         'condition'          => ['glpi_slas.type' => SLM::TTR],
      ];

      $tab[] = [
         'id'                 => '32',
         'table'              => 'glpi_slalevels',
         'field'              => 'name',
         'name'               => __('SLA')."&nbsp;"._n('Escalation level', 'Escalation levels', 1),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'beforejoin'         => [
               'table'              => 'glpi_slalevels_tickets',
               'joinparams'         => [
                  'jointype'           => 'child'
               ]
            ]
         ],
         'forcegroupby'       => true
      ];

      $tab[] = [
         'id'                 => 'ola',
         'name'               => __('OLA')
      ];

      $tab[] = [
         'id'                 => '190',
         'table'              => 'glpi_olas',
         'field'              => 'name',
         'linkfield'          => 'olas_id_tto',
         'name'               => __('OLA')."&nbsp;".__('Internal time to own'),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'condition'          => "AND NEWTABLE.`type` = '".SLM::TTO."'"
         ],
         'condition'          => ['glpi_olas.type' => SLM::TTO],
      ];

      $tab[] = [
         'id'                 => '191',
         'table'              => 'glpi_olas',
         'field'              => 'name',
         'linkfield'          => 'olas_id_ttr',
         'name'               => __('OLA')."&nbsp;".__('Internal time to resolve'),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'condition'          => "AND NEWTABLE.`type` = '".SLM::TTR."'"
         ],
         'condition'          => ['glpi_olas.type' => SLM::TTR],
      ];

      $tab[] = [
         'id'                 => '192',
         'table'              => 'glpi_olalevels',
         'field'              => 'name',
         'name'               => __('OLA')."&nbsp;"._n('Escalation level', 'Escalation levels', 1),
         'massiveaction'      => false,
         'datatype'           => 'dropdown',
         'joinparams'         => [
            'beforejoin'         => [
               'table'              => 'glpi_olalevels_tickets',
               'joinparams'         => [
                  'jointype'           => 'child'
               ]
            ]
         ],
         'forcegroupby'       => true
      ];

      $validation_options = TicketValidation::rawSearchOptionsToAdd();
      if (!Session::haveRightsOr(
         'ticketvalidation',
         [
            TicketValidation::CREATEINCIDENT,
            TicketValidation::CREATEREQUEST
         ]
      )) {
         foreach ($validation_options as &$validation_option) {
            if (isset($validation_option['table'])) {
               $validation_option['massiveaction'] = false;
            }
         }
      }
      $tab = array_merge($tab, $validation_options);

      $tab[] = [
         'id'                 => 'satisfaction',
         'name'               => __('Satisfaction survey')
      ];

      $tab[] = [
         'id'                 => '31',
         'table'              => 'glpi_ticketsatisfactions',
         'field'              => 'type',
         'name'               => _n('Type', 'Types', 1),
         'massiveaction'      => false,
         'searchtype'         => ['equals', 'notequals'],
         'searchequalsonfield' => true,
         'joinparams'         => [
            'jointype'           => 'child'
         ],
         'datatype'           => 'specific'
      ];

      $tab[] = [
         'id'                 => '60',
         'table'              => 'glpi_ticketsatisfactions',
         'field'              => 'date_begin',
         'name'               => __('Creation date'),
         'datatype'           => 'datetime',
         'massiveaction'      => false,
         'joinparams'         => [
            'jointype'           => 'child'
         ]
      ];

      $tab[] = [
         'id'                 => '61',
         'table'              => 'glpi_ticketsatisfactions',
         'field'              => 'date_answered',
         'name'               => __('Response date'),
         'datatype'           => 'datetime',
         'massiveaction'      => false,
         'joinparams'         => [
            'jointype'           => 'child'
         ]
      ];

      $tab[] = [
         'id'                 => '62',
         'table'              => 'glpi_ticketsatisfactions',
         'field'              => 'satisfaction',
         'name'               => __('Satisfaction'),
         'datatype'           => 'number',
         'massiveaction'      => false,
         'joinparams'         => [
            'jointype'           => 'child'
         ]
      ];

      $tab[] = [
         'id'                 => '63',
         'table'              => 'glpi_ticketsatisfactions',
         'field'              => 'comment',
         'name'               => __('Comments'),
         'datatype'           => 'text',
         'massiveaction'      => false,
         'joinparams'         => [
            'jointype'           => 'child'
         ]
      ];

      $tab = array_merge($tab, ITILFollowup::rawSearchOptionsToAdd());

      $tab = array_merge($tab, TicketTask::rawSearchOptionsToAdd());

      $tab = array_merge($tab, $this->getSearchOptionsStats());

      $tab[] = [
         'id'                 => '150',
         'table'              => $this->getTable(),
         'field'              => 'takeintoaccount_delay_stat',
         'name'               => __('Take into account time'),
         'datatype'           => 'timestamp',
         'forcegroupby'       => true,
         'massiveaction'      => false
      ];

      if (Session::haveRightsOr(self::$rightname,
                                [self::READALL, self::READASSIGN, self::OWN])) {
         $tab[] = [
            'id'                 => 'linktickets',
            'name'               => _n('Linked ticket', 'Linked tickets', Session::getPluralNumber())
         ];

         $tab[] = [
            'id'                 => '40',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'tickets_id_1',
            'name'               => __('All linked tickets'),
            'massiveaction'      => false,
            'forcegroupby'       => true,
            'searchtype'         => 'equals',
            'joinparams'         => [
               'jointype' => 'item_item'
            ],
            'additionalfields'   => ['tickets_id_2']
         ];

         $tab[] = [
            'id'                 => '47',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'tickets_id_1',
            'name'               => __('Duplicated tickets'),
            'massiveaction'      => false,
            'searchtype'         => 'equals',
            'joinparams'         => [
               'jointype'           => 'item_item',
               'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::DUPLICATE_WITH
            ],
            'additionalfields'   => ['tickets_id_2'],
            'forcegroupby'       => true
         ];

         $tab[] = [
            'id'                 => '41',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'id',
            'name'               => __('Number of all linked tickets'),
            'massiveaction'      => false,
            'datatype'           => 'count',
            'usehaving'          => true,
            'joinparams'         => [
               'jointype'           => 'item_item'
            ]
         ];

         $tab[] = [
            'id'                 => '46',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'id',
            'name'               => __('Number of duplicated tickets'),
            'massiveaction'      => false,
            'datatype'           => 'count',
            'usehaving'          => true,
            'joinparams'         => [
               'jointype'           => 'item_item',
               'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::DUPLICATE_WITH
            ]
         ];

         $tab[] = [
            'id'                 => '50',
            'table'              => 'glpi_tickets',
            'field'              => 'id',
            'linkfield'          => 'tickets_id_2',
            'name'               => __('Parent tickets'),
            'massiveaction'      => false,
            'searchtype'         => 'equals',
            'datatype'           => 'itemlink',
            'usehaving'          => true,
            'joinparams'         => [
               'beforejoin'         => [
                  'table'              => 'glpi_tickets_tickets',
                  'joinparams'         => [
                     'jointype'           => 'child',
                     'linkfield'          => 'tickets_id_1',
                     'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::SON_OF,
                  ]
               ]
            ],
            'forcegroupby'       => true
         ];

         $tab[] = [
            'id'                 => '67',
            'table'              => 'glpi_tickets',
            'field'              => 'id',
            'linkfield'          => 'tickets_id_1',
            'name'               => __('Child tickets'),
            'massiveaction'      => false,
            'searchtype'         => 'equals',
            'datatype'           => 'itemlink',
            'usehaving'          => true,
            'joinparams'         => [
               'beforejoin'         => [
                  'table'              => 'glpi_tickets_tickets',
                  'joinparams'         => [
                     'jointype'           => 'child',
                     'linkfield'          => 'tickets_id_2',
                     'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::SON_OF,
                  ]
               ]
            ],
            'forcegroupby'       => true
         ];

         $tab[] = [
            'id'                 => '68',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'id',
            'name'               => __('Number of sons tickets'),
            'massiveaction'      => false,
            'datatype'           => 'count',
            'usehaving'          => true,
            'joinparams'         => [
               'linkfield'          => 'tickets_id_2',
               'jointype'           => 'child',
               'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::SON_OF
            ],
            'forcegroupby'       => true
         ];

         $tab[] = [
            'id'                 => '69',
            'table'              => 'glpi_tickets_tickets',
            'field'              => 'id',
            'name'               => __('Number of parent tickets'),
            'massiveaction'      => false,
            'datatype'           => 'count',
            'usehaving'          => true,
            'joinparams'         => [
               'linkfield'          => 'tickets_id_1',
               'jointype'           => 'child',
               'condition'          => 'AND NEWTABLE.`link` = '.Ticket_Ticket::SON_OF
            ],
            'additionalfields'   => ['tickets_id_2']
         ];

         $tab = array_merge($tab, $this->getSearchOptionsSolution());

         if (Session::haveRight('ticketcost', READ)) {
            $tab = array_merge($tab, TicketCost::rawSearchOptionsToAdd());
         }
      }

      if (Session::haveRight('problem', READ)) {
         $tab = array_merge($tab, Problem::rawSearchOptionsToAdd());
      }

      // Filter search fields for helpdesk
      if (!Session::isCron() // no filter for cron
          && (Session::getCurrentInterface() != 'central')) {
         $tokeep = ['common', 'requester','satisfaction'];
         if (Session::haveRightsOr('ticketvalidation',
                                   array_merge(TicketValidation::getValidateRights(),
                                               TicketValidation::getCreateRights()))) {
            $tokeep[] = 'validation';
         }
         $keep = false;
         foreach ($tab as $key => &$val) {
            if (!isset($val['table'])) {
               $keep = in_array($val['id'], $tokeep);
            }
            if (!$keep) {
               if (isset($val['table'])) {
                  $val['nosearch'] = true;
               }
            }
         }
      }
      return $tab;
   }


   static function getSpecificValueToDisplay($field, $values, array $options = []) {

      if (!is_array($values)) {
         $values = [$field => $values];
      }
      switch ($field) {
         case 'content' :
            $content = Toolbox::unclean_cross_side_scripting_deep(Html::entity_decode_deep($values[$field]));
            $content = Html::clean($content);
            if (empty($content)) {
               $content = ' ';
            }
            return nl2br($content);

         case 'type':
            return self::getTicketTypeName($values[$field]);
      }
      return parent::getSpecificValueToDisplay($field, $values, $options);
   }


   static function getSpecificValueToSelect($field, $name = '', $values = '', array $options = []) {

      if (!is_array($values)) {
         $values = [$field => $values];
      }
      $options['display'] = false;
      switch ($field) {
         case 'content' :
            return "<textarea cols='90' rows='6' name='$name'>".$values['content']."</textarea>";

         case 'type':
            $options['value'] = $values[$field];
            return self::dropdownType($name, $options);
      }
      return parent::getSpecificValueToSelect($field, $name, $values, $options);
   }


   /**
    * Dropdown of ticket type
    *
    * @param string $name     Select name
    * @param array  $options  Array of options:
    *    - value     : integer / preselected value (default 0)
    *    - toadd     : array / array of specific values to add at the beginning
    *    - on_change : string / value to transmit to "onChange"
    *    - display   : boolean / display or get string (default true)
    *
    * @return string id of the select
   **/
   static function dropdownType($name, $options = []) {

      $params = [
         'value'     => 0,
         'toadd'     => [],
         'on_change' => '',
         'display'   => true,
      ];

      if (is_array($options) && count($options)) {
         foreach ($options as $key => $val) {
            $params[$key] = $val;
         }
      }

      $items = [];
      if (count($params['toadd']) > 0) {
         $items = $params['toadd'];
      }

      $items += self::getTypes();

      return Dropdown::showFromArray($name, $items, $params);
   }


   /**
    * Get ticket types
    *
    * @return array Array of types
   **/
   static function getTypes() {

      $options = [
         self::INCIDENT_TYPE => __('Incident'),
         self::DEMAND_TYPE   => __('Request'),
      ];

      return $options;
   }


   /**
    * Get ticket type Name
    *
    * @param integer $value Type ID
   **/
   static function getTicketTypeName($value) {

      switch ($value) {
         case self::INCIDENT_TYPE :
            return __('Incident');

         case self::DEMAND_TYPE :
            return __('Request');

         default :
            // Return $value if not defined
            return $value;
      }
   }


   /**
    * get the Ticket status list
    *
    * @param boolean $withmetaforsearch  (false by default)
    *
    * @return array
   **/
   static function getAllStatusArray($withmetaforsearch = false) {

      // To be overridden by class
      $tab = [self::INCOMING => _x('status', 'New'),
                   self::ASSIGNED => _x('status', 'Processing (assigned)'),
                   self::PLANNED  => _x('status', 'Processing (planned)'),
                   self::WAITING  => __('Pending'),
                   self::SOLVED   => _x('status', 'Solved'),
                   self::CLOSED   => _x('status', 'Closed')];

      if ($withmetaforsearch) {
         $tab['notold']    = _x('status', 'Not solved');
         $tab['notclosed'] = _x('status', 'Not closed');
         $tab['process']   = __('Processing');
         $tab['old']       = _x('status', 'Solved + Closed');
         $tab['all']       = __('All');
      }
      return $tab;
   }


   /**
    * Get the ITIL object closed status list
    *
    * @since 0.83
    *
    * @return array
   **/
   static function getClosedStatusArray() {
      return [self::CLOSED];
   }


   /**
    * Get the ITIL object solved status list
    *
    * @since 0.83
    *
    * @return array
   **/
   static function getSolvedStatusArray() {
      return [self::SOLVED];
   }

   /**
    * Get the ITIL object new status list
    *
    * @since 0.83.8
    *
    * @return array
   **/
   static function getNewStatusArray() {
      return [self::INCOMING];
   }

   /**
    * Get the ITIL object assign or plan status list
    *
    * @since 0.83
    *
    * @return array
   **/
   static function getProcessStatusArray() {
      return [self::ASSIGNED, self::PLANNED];
   }


   /**
    * Calculate Ticket TCO for an item
    *
    *@param CommonDBTM $item  Object of the item
    *
    *@return float
   **/
   static function computeTco(CommonDBTM $item) {
      global $DB;

      $totalcost = 0;

      $iterator = $DB->request([
         'SELECT'    => 'glpi_ticketcosts.*',
         'FROM'      => 'glpi_ticketcosts',
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  'glpi_ticketcosts'   => 'tickets_id'
               ]
            ]
         ],
         'WHERE'     => [
            'glpi_items_tickets.itemtype' => get_class($item),
            'glpi_items_tickets.items_id' => $item->getField('id'),
            'OR'                          => [
               'glpi_ticketcosts.cost_time'     => ['>', 0],
               'glpi_ticketcosts.cost_fixed'    => ['>', 0],
               'glpi_ticketcosts.cost_material' => ['>', 0]
            ]
         ]
      ]);

      while ($data = $iterator->next()) {
         $totalcost += TicketCost::computeTotalCost(
            $data["actiontime"],
            $data["cost_time"],
            $data["cost_fixed"],
            $data["cost_material"]
         );
      }
      return $totalcost;
   }


   /**
    * Print the helpdesk form
    *
    * @param integer $ID               ID of the user who want to display the Helpdesk
    * @param boolean $ticket_template  Ticket template for preview : false if not used for preview
    *                                  (false by default)
    *
    * @return boolean|void
   **/
   function showFormHelpdesk($ID, $ticket_template = false) {
      global $CFG_GLPI;

      if (!self::canCreate()) {
         return false;
      }

      if (!$ticket_template
          && Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights())) {

         $opt                  = [];
         $opt['reset']         = 'reset';
         $opt['criteria'][0]['field']      = 55; // validation status
         $opt['criteria'][0]['searchtype'] = 'equals';
         $opt['criteria'][0]['value']      = CommonITILValidation::WAITING;
         $opt['criteria'][0]['link']       = 'AND';

         $opt['criteria'][1]['field']      = 59; // validation aprobator
         $opt['criteria'][1]['searchtype'] = 'equals';
         $opt['criteria'][1]['value']      = Session::getLoginUserID();
         $opt['criteria'][1]['link']       = 'AND';

         $url_validate = Ticket::getSearchURL()."?".Toolbox::append_params($opt,
                                                                                           '&amp;');

         if (TicketValidation::getNumberToValidate(Session::getLoginUserID()) > 0) {
            echo "<a href='$url_validate' title=\"".__s('Ticket waiting for your approval')."\"
                   alt=\"".__s('Ticket waiting for your approval')."\">".
                   __('Tickets awaiting approval')."</a><br><br>";
         }
      }

      $email  = UserEmail::getDefaultForUser($ID);
      $default_use_notif = Entity::getUsedConfig('is_notif_enable_default', $_SESSION['glpiactive_entity'], '', 1);

      // Set default values...
      $default_values = ['_users_id_requester_notif'
                                                    => ['use_notification'
                                                              => (($email == "")?0:$default_use_notif)],
                                                    'nodelegate'          => 1,
                                                    '_users_id_requester' => 0,
                                                    '_users_id_observer'  => [0],
                                                    '_users_id_observer_notif'
                                                    => ['use_notification' => $default_use_notif],
                                                    'name'                => '',
                                                    'content'             => '',
                                                    'itilcategories_id'   => 0,
                                                    'locations_id'        => 0,
                                                    'urgency'             => 3,
                                                    'items_id'            => 0,
                                                    'entities_id'         => $_SESSION['glpiactive_entity'],
                                                    'plan'                => [],
                                                    'global_validation'   => CommonITILValidation::NONE,
                                                    '_add_validation'     => 0,
                                                    'type'                => Entity::getUsedConfig('tickettype',
                                                                             $_SESSION['glpiactive_entity'],
                                                                             '', Ticket::INCIDENT_TYPE),
                              '_right'              => "id",
                              '_content'            => [],
                              '_tag_content'        => [],
                              '_filename'           => [],
                              '_tag_filename'       => [],
                              '_tasktemplates_id'   => []];

      // Get default values from posted values on reload form
      if (!$ticket_template) {
         if (isset($_POST)) {
            $options = $_POST;
         }
      }

      if (isset($options['name'])) {
         $order           = ["\\'", '\\"', "\\\\"];
         $replace         = ["'", '"', "\\"];
         $options['name'] = str_replace($order, $replace, $options['name']);
      }

      // Restore saved value or override with page parameter
      $saved = $this->restoreInput();
      foreach ($default_values as $name => $value) {
         if (!isset($options[$name])) {
            if (isset($saved[$name])) {
               $options[$name] = $saved[$name];
            } else {
               $options[$name] = $value;
            }
         }
      }

      // Check category / type validity
      if ($options['itilcategories_id']) {
         $cat = new ITILCategory();
         if ($cat->getFromDB($options['itilcategories_id'])) {
            switch ($options['type']) {
               case self::INCIDENT_TYPE :
                  if (!$cat->getField('is_incident')) {
                     $options['itilcategories_id'] = 0;
                  }
                  break;

               case self::DEMAND_TYPE :
                  if (!$cat->getField('is_request')) {
                     $options['itilcategories_id'] = 0;
                  }
                  break;

               default :
                  break;
            }
         }
      }

      // Load ticket template if available :
      $tt = $this->getITILTemplateToUse($ticket_template, $options['type'],
                                          $options['itilcategories_id'],
                                          $_SESSION["glpiactive_entity"]);

      if (!$ticket_template) {
         echo "<form method='post' name='helpdeskform' action='".
               $CFG_GLPI["root_doc"]."/front/tracking.injector.php' enctype='multipart/form-data'>";
      }

      $delegating = User::getDelegateGroupsForUser($options['entities_id']);

      if (count($delegating) || $CFG_GLPI['use_check_pref']) {
         echo "<div class='center'><table class='tab_cadre_fixe'>";
      }

      if (count($delegating)) {
         echo "<tr><th colspan='2'>".__('This ticket concerns me')." ";

         $rand   = Dropdown::showYesNo("nodelegate", $options['nodelegate']);

         $params = ['nodelegate' => '__VALUE__',
                         'rand'       => $rand,
                         'right'      => "delegate",
                         '_users_id_requester'
                                      => $options['_users_id_requester'],
                         '_users_id_requester_notif'
                                      => $options['_users_id_requester_notif'],
                         'use_notification'
                                      => $options['_users_id_requester_notif']['use_notification'],
                         'entity_restrict'
                                      => $_SESSION["glpiactive_entity"]];

         Ajax::UpdateItemOnSelectEvent("dropdown_nodelegate".$rand, "show_result".$rand,
                                       $CFG_GLPI["root_doc"]."/ajax/dropdownDelegationUsers.php",
                                       $params);

         $class = 'right';
         if ($CFG_GLPI['use_check_pref'] && $options['nodelegate']) {
            echo "</th><th>".__('Check your personnal information');
            $class = 'center';
         }

         echo "</th></tr>";
         echo "<tr class='tab_bg_1'><td colspan='2' class='".$class."'>";
         echo "<div id='show_result$rand'>";

         $self = new self();
         if ($options["_users_id_requester"] == 0) {
            $options['_users_id_requester'] = Session::getLoginUserID();
         } else {
            $options['_right'] = "delegate";
         }
         $actors_options = $options;
         $actors_options['_tickettemplate'] = $tt; // Actors requires ticket template object in $options
         $self->showActorAddFormOnCreate(CommonITILActor::REQUESTER, $actors_options);
         echo "</div>";
         if ($CFG_GLPI['use_check_pref'] && $options['nodelegate']) {
            echo "</td><td class='center'>";
            User::showPersonalInformation(Session::getLoginUserID());
         }
         echo "</td></tr>";

         echo "</table></div>";
         echo "<input type='hidden' name='_users_id_recipient' value='".Session::getLoginUserID()."'>";

      } else {
         // User as requester
         $options['_users_id_requester'] = Session::getLoginUserID();

         if ($CFG_GLPI['use_check_pref']) {
            echo "<tr><th>".__('Check your personnal information')."</th></tr>";
            echo "<tr class='tab_bg_1'><td class='center'>";
            User::showPersonalInformation(Session::getLoginUserID());
            echo "</td></tr>";
            echo "</table></div>";
         }
      }

      echo "<input type='hidden' name='_from_helpdesk' value='1'>";
      echo "<input type='hidden' name='requesttypes_id' value='".RequestType::getDefault('helpdesk').
           "'>";

      // Predefined fields from template : reset them
      if (isset($options['_predefined_fields'])) {
         $options['_predefined_fields']
                        = Toolbox::decodeArrayFromInput($options['_predefined_fields']);
      } else {
         $options['_predefined_fields'] = [];
      }

      // Store predefined fields to be able not to take into account on change template
      $predefined_fields = [];
      $key = $this->getTemplateFormFieldName();

      if (isset($tt->predefined) && count($tt->predefined)) {
         foreach ($tt->predefined as $predeffield => $predefvalue) {
            if (isset($options[$predeffield]) && isset($default_values[$predeffield])) {
               // Is always default value : not set
               // Set if already predefined field
               // Set if ticket template change
               if (((count($options['_predefined_fields']) == 0)
                    && ($options[$predeffield] == $default_values[$predeffield]))
                   || (isset($options['_predefined_fields'][$predeffield])
                       && ($options[$predeffield] == $options['_predefined_fields'][$predeffield]))
                   || (isset($options[$key])
                       && ($options[$key] != $tt->getID()))) {
                  $options[$predeffield]            = $predefvalue;
                  $predefined_fields[$predeffield] = $predefvalue;
               }
            } else { // Not defined options set as hidden field
               echo "<input type='hidden' name='$predeffield' value='$predefvalue'>";
            }
         }
         // All predefined override : add option to say predifined exists
         if (count($predefined_fields) == 0) {
            $predefined_fields['_all_predefined_override'] = 1;
         }
      } else { // No template load : reset predefined values
         if (count($options['_predefined_fields'])) {
            foreach ($options['_predefined_fields'] as $predeffield => $predefvalue) {
               if ($options[$predeffield] == $predefvalue) {
                  $options[$predeffield] = $default_values[$predeffield];
               }
            }
         }
      }

      if (isset($options['_tasktemplates_id'])) {
         foreach ($options['_tasktemplates_id'] as $tasktemplates_id) {
            echo "<input type='hidden' name='_tasktemplates_id[]' value='$tasktemplates_id'>";
         }
      }

      if (($CFG_GLPI['urgency_mask'] == (1<<3))
          || $tt->isHiddenField('urgency')) {
         // Dont show dropdown if only 1 value enabled or field is hidden
         echo "<input type='hidden' name='urgency' value='".$options['urgency']."'>";
      }

      // Display predefined fields if hidden
      if ($tt->isHiddenField('items_id')) {
         $this->displayHiddenItemsIdInput($options);
      }
      if ($tt->isHiddenField('locations_id')) {
         echo "<input type='hidden' name='locations_id' value='".$options['locations_id']."'>";
      }
      echo "<input type='hidden' name='entities_id' value='".$_SESSION["glpiactive_entity"]."'>";
      echo "<div class='center'><table class='tab_cadre_fixe'>";

      Plugin::doHook("pre_item_form", ['item' => $this, 'options' => &$options]);

      echo "<tr><th>".__('Describe the incident or request')."</th><th>";
      if (Session::isMultiEntitiesMode()) {
         echo "(".Dropdown::getDropdownName("glpi_entities", $_SESSION["glpiactive_entity"]).")";
      }
      echo "</th></tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<td>".sprintf(__('%1$s%2$s'), _n('Type', 'Types', 1), $tt->getMandatoryMark('type'))."</td>";
      echo "<td>";
      self::dropdownType('type', ['value'     => $options['type'],
                                  'on_change' => 'this.form.submit()']);
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<td>".sprintf(__('%1$s%2$s'), __('Category'),
                          $tt->getMandatoryMark('itilcategories_id'))."</td>";
      echo "<td>";

      $condition = ['is_helpdeskvisible' => 1];
      switch ($options['type']) {
         case self::DEMAND_TYPE :
            $condition['is_request'] = 1;
            break;
         default: // self::INCIDENT_TYPE :
            $condition['is_incident'] = 1;
      }
      $opt = ['value'     => $options['itilcategories_id'],
              'condition' => $condition,
              'entity'    => $_SESSION["glpiactive_entity"],
              'on_change' => 'this.form.submit()'];

      if ($options['itilcategories_id'] && $tt->isMandatoryField("itilcategories_id")) {
         $opt['display_emptychoice'] = false;
      }

      ITILCategory::dropdown($opt);
      echo "</td></tr>";

      if ($CFG_GLPI['urgency_mask'] != (1<<3)) {
         if (!$tt->isHiddenField('urgency')) {
            echo "<tr class='tab_bg_1'>";
            echo "<td>".sprintf(__('%1$s%2$s'), __('Urgency'), $tt->getMandatoryMark('urgency')).
                 "</td>";
            echo "<td>";
            self::dropdownUrgency(['value' => $options["urgency"]]);
            echo "</td></tr>";
         }
      }

      if (empty($delegating)
          && NotificationTargetTicket::isAuthorMailingActivatedForHelpdesk()) {
         echo "<tr class='tab_bg_1'>";
         echo "<td>".__('Inform me about the actions taken')."</td>";
         echo "<td>";
         if ($options["_users_id_requester"] == 0) {
            $options['_users_id_requester'] = Session::getLoginUserID();
         }
         $_POST['value']            = $options['_users_id_requester'];
         $_POST['field']            = '_users_id_requester_notif';
         $_POST['use_notification'] = $options['_users_id_requester_notif']['use_notification'];
         include (GLPI_ROOT."/ajax/uemailUpdate.php");

         echo "</td></tr>";
      }
      if (($_SESSION["glpiactiveprofile"]["helpdesk_hardware"] != 0)
          && (count($_SESSION["glpiactiveprofile"]["helpdesk_item_type"]))) {
         if (!$tt->isHiddenField('items_id')) {
            echo "<tr class='tab_bg_1'>";
            echo "<td>".sprintf(__('%1$s%2$s'), _n('Associated element', 'Associated elements', Session::getPluralNumber()),
                                $tt->getMandatoryMark('items_id'))."</td>";
            echo "<td>";
            $item_options = $options;
            $item_options['_canupdate'] = Session::haveRight('ticket', CREATE);
            $item_options['_tickettemplate'] = $tt; // Items form requires ticket template object in $options
            Item_Ticket::itemAddForm($this, $item_options);
            echo "</td></tr>";
         }
      }

      if (!$tt->isHiddenField('locations_id')) {
         echo "<tr class='tab_bg_1'><td>";
         printf(__('%1$s%2$s'), Location::getTypeName(1), $tt->getMandatoryMark('locations_id'));
         echo "</td><td>";
         Location::dropdown(['value'  => $options["locations_id"]]);
         echo "</td></tr>";
      }

      if (!$tt->isHiddenField('_users_id_observer')
          || $tt->isPredefinedField('_users_id_observer')) {
         echo "<tr class='tab_bg_1'>";
         echo "<td>".sprintf(__('%1$s%2$s'), _n('Watcher', 'Watchers', Session::getPluralNumber()),
                             $tt->getMandatoryMark('_users_id_observer'))."</td>";
         echo "<td>";
         $options['_right'] = "all";

         if (!$tt->isHiddenField('_users_id_observer')) {
            // Observer

            if ($tt->isPredefinedField('_users_id_observer')
               && !is_array($options['_users_id_observer'])) {

               //convert predefined value to array
               $options['_users_id_observer'] = [$options['_users_id_observer']];
               $options['_users_id_observer_notif']['use_notification'] =
                  [$options['_users_id_observer_notif']['use_notification']];

               // add new line to permit adding more observers
               $options['_users_id_observer'][1] = 0;
               $options['_users_id_observer_notif']['use_notification'][1] = 1;
            }

            echo "<div class='actor_single first-actor'>";
            if (isset($options['_users_id_observer'])) {
               $observers = $options['_users_id_observer'];
               foreach ($observers as $index_observer => $observer) {
                  $actors_options = array_merge($options, ['_user_index' => $index_observer]);
                  $actors_options['_tickettemplate'] = $tt; // Actors requires ticket template object in $options
                  self::showFormHelpdeskObserver($actors_options);
               }
            }
            echo "</div>";

         } else { // predefined value
            if (isset($options["_users_id_observer"]) && $options["_users_id_observer"]) {
               echo self::getActorIcon('user', CommonITILActor::OBSERVER)."&nbsp;";
               echo Dropdown::getDropdownName("glpi_users", $options["_users_id_observer"]);
               echo "<input type='hidden' name='_users_id_observer' value=\"".
                      $options["_users_id_observer"]."\">";
            }
         }
         echo "</td></tr>";
      }

      if (!$tt->isHiddenField('name')
          || $tt->isPredefinedField('name')) {
         echo "<tr class='tab_bg_1'>";
         echo "<td>".sprintf(__('%1$s%2$s'), __('Title'), $tt->getMandatoryMark('name'))."<td>";
         if (!$tt->isHiddenField('name')) {
            $opt = [
                'value'     => $options['name'],
                'maxlength' => 250,
                'size'      => 80,
            ];

            if ($tt->isMandatoryField('name')) {
                $opt['required'] = 'required';
            }
            echo Html::input('name', $opt);
         } else {
            echo $options['name'];
            echo "<input type='hidden' name='name' value=\"".$options['name']."\">";
         }
         echo "</td></tr>";
      }

      if (!$tt->isHiddenField('content')
          || $tt->isPredefinedField('content')) {
         echo "<tr class='tab_bg_1'>";
         echo "<td>".sprintf(__('%1$s%2$s'), __('Description'), $tt->getMandatoryMark('content'));

         $rand       = mt_rand();
         $rand_text  = mt_rand();

         $cols       = 100;
         $rows       = 10;
         $content_id = "content$rand";
         echo "<td class='center middle'>";

         $content = $options['content'];
         if (!$ticket_template) {
            $content = Html::cleanPostForTextArea($options['content']);
         }
         $content = Html::setRichTextContent($content_id, $content, $rand);

         echo "<div id='content$rand_text'>";
         $uploads = [];
         if (isset($options['_content'])) {
            $uploads['_content'] = $options['_content'];
            $uploads['_tag_content'] = $options['_tag_content'];
         }
         Html::textarea([
            'name'            => 'content',
            'filecontainer'   => 'content_info',
            'editor_id'       => $content_id,
            'required'        => $tt->isMandatoryField('content'),
            'cols'            => $cols,
            'rows'            => $rows,
            'enable_richtext' => true,
            'value'           => $content,
            'uploads'         => $uploads,
         ]);
         echo "</div>";

         if (!$tt->isHiddenField('_documents_id')) {
            if (isset($options['_filename'])) {
               $uploads['_filename'] = $options['_filename'];
               $uploads['_tag_filename'] = $options['_tag_filename'];
            }
            Html::file([
               // 'editor_id' => $content_id,
               'showtitle' => false,
               'multiple'  => true,
               'uploads'   => $uploads,
            ]);
         }

         echo "</td></tr>";
      }
      Plugin::doHook("post_item_form", ['item' => $this, 'options' => &$options]);

      if (!$ticket_template) {
         echo "<tr class='tab_bg_1'>";
         echo "<td colspan='2' class='center'>";

         if ($tt->isField('id') && ($tt->fields['id'] > 0)) {
            echo "<input type='hidden' name='$key' value='".$tt->fields['id']."'>";
            echo "<input type='hidden' name='_predefined_fields'
                   value=\"".Toolbox::prepareArrayForInput($predefined_fields)."\">";
         }
         echo "<input type='submit' name='add' value=\"".__s('Submit message')."\" class='submit'>";
         echo "</td></tr>";
      }

      echo "</table></div>";
      if (!$ticket_template) {
         Html::closeForm();
      }
   }

   /**
    * Display a single observer selector
    *
    * @param array $options  Options for default values ($options of showActorAddFormOnCreate)
   **/
   static function showFormHelpdeskObserver($options = []) {
      global $CFG_GLPI;

      //default values
      $ticket = new Ticket();
      $params = [
         '_users_id_observer_notif' => [
            'use_notification' => true
         ],
         '_users_id_observer'       => 0,
         'entities_id'              => $_SESSION["glpiactive_entity"],
         '_right'                   => "all",
      ];

      // overide default value by function parameters
      if (is_array($options) && count($options)) {
         foreach ($options as $key => $val) {
            $params[$key] = $val;
         }
      }

      if (isset($params['_tickettemplate']) && !($params['_tickettemplate'] instanceof TicketTemplate)) {
         // Replace template ID by object for actor form
         $tt = new TicketTemplate();
         if ($tt->getFromDB($params['_tickettemplate'])) {
            $params['_tickettemplate'] = $tt;
         } else {
            unset($params['_tickettemplate']);
         }
      }

      // add a user selector
      $rand_observer = $ticket->showActorAddFormOnCreate(CommonITILActor::OBSERVER, $params);

      if (isset($params['_tickettemplate'])) {
         // Replace template object by ID for ajax
         $params['_tickettemplate'] = $params['_tickettemplate']->getID();
      }

      // add an additionnal observer on user selection
      Ajax::updateItemOnSelectEvent("dropdown__users_id_observer[]$rand_observer",
                                    "observer_$rand_observer",
                                    $CFG_GLPI["root_doc"]."/ajax/helpdesk_observer.php",
                                    $params);

      //remove 'new observer' anchor on user selection
      echo Html::scriptBlock("
      $('#dropdown__users_id_observer__$rand_observer').on('change', function(event) {
         $('#addObserver$rand_observer').remove();
      });");

      // add "new observer" anchor
      echo "<a id='addObserver$rand_observer' class='add-observer' onclick='this.remove()'>";
      echo Html::image($CFG_GLPI['root_doc']."/pics/meta_plus.png", ['alt' => __('Add')]);
      echo "</a>";

      // add an additionnal observer on anchor click
      Ajax::updateItemOnEvent("addObserver$rand_observer",
                              "observer_$rand_observer",
                              $CFG_GLPI["root_doc"]."/ajax/helpdesk_observer.php",
                              $params, ['click']);

      // div for an additionnal observer
      echo "<div class='actor_single' id='observer_$rand_observer'></div>";

   }

   static function getDefaultValues($entity = 0) {
      global $CFG_GLPI;

      if (is_numeric(Session::getLoginUserID(false))) {
         $users_id_requester = Session::getLoginUserID();
         $users_id_assign    = Session::getLoginUserID();
         // No default requester if own ticket right = tech and update_ticket right to update requester
         if (Session::haveRightsOr(self::$rightname, [UPDATE, self::OWN]) && !$_SESSION['glpiset_default_requester']) {
            $users_id_requester = 0;
         }
         if (!Session::haveRight(self::$rightname, self::OWN) || !$_SESSION['glpiset_default_tech']) {
            $users_id_assign = 0;
         }
         $entity      = $_SESSION['glpiactive_entity'];
         $requesttype = $_SESSION['glpidefault_requesttypes_id'];
      } else {
         $users_id_requester = 0;
         $users_id_assign    = 0;
         $requesttype        = $CFG_GLPI['default_requesttypes_id'];
      }

      $type = Entity::getUsedConfig('tickettype', $entity, '', Ticket::INCIDENT_TYPE);

      $default_use_notif = Entity::getUsedConfig('is_notif_enable_default', $entity, '', 1);

      // Set default values...
      return  ['_users_id_requester'       => $users_id_requester,
               '_users_id_requester_notif' => ['use_notification'  => [$default_use_notif],
                                               'alternative_email' => ['']],
               '_groups_id_requester'      => 0,
               '_users_id_assign'          =>  $users_id_assign,
               '_users_id_assign_notif'    => ['use_notification'  => [$default_use_notif],
                                               'alternative_email' => ['']],
               '_groups_id_assign'         => 0,
               '_users_id_observer'        => 0,
               '_users_id_observer_notif'  => ['use_notification'  => [$default_use_notif],
                                               'alternative_email' => ['']],
               '_groups_id_observer'       => 0,
               '_link'                     => ['tickets_id_2' => '',
                                               'link'         => ''],
               '_suppliers_id_assign'      => 0,
               '_suppliers_id_assign_notif' => ['use_notification'  => [$default_use_notif],
                                                'alternative_email' => ['']],
               'name'                      => '',
               'content'                   => '',
               'itilcategories_id'         => 0,
               'urgency'                   => 3,
               'impact'                    => 3,
               'priority'                  => self::computePriority(3, 3),
               'requesttypes_id'           => $requesttype,
               'actiontime'                => 0,
               'date'                      => null,
               'entities_id'               => $entity,
               'status'                    => self::INCOMING,
               'followup'                  => [],
               'itemtype'                  => '',
               'items_id'                  => 0,
               'locations_id'              => 0,
               'plan'                      => [],
               'global_validation'         => CommonITILValidation::NONE,
               'time_to_resolve'           => 'NULL',
               'time_to_own'               => 'NULL',
               'slas_id_tto'               => 0,
               'slas_id_ttr'               => 0,
               'internal_time_to_resolve'  => 'NULL',
               'internal_time_to_own'      => 'NULL',
               'olas_id_tto'               => 0,
               'olas_id_ttr'               => 0,
               '_add_validation'           => 0,
               'users_id_validate'         => [],
               'type'                      => $type,
               '_documents_id'             => [],
               '_tasktemplates_id'         => [],
               '_content'                  => [],
               '_tag_content'              => [],
               '_filename'                 => [],
               '_tag_filename'             => []];
   }

   /**
    * Get ticket template to use
    * Use force_template first, then try on template define for type and category
    * then use default template of active profile of connected user and then use default entity one
    *
    * @param integer $force_template      Itiltemplate_id to used (case of preview for example)
    *                             (default 0)
    * @param integer $type                Type of the ticket (default 0)
    * @param integer $itilcategories_id   Ticket category (default 0)
    * @param integer $entities_id         (default -1)
    *
    * @since 0.84
    * @deprecated 9.5.0
    *
    * @return ITILTemplate ticket template object
   **/
   function getTicketTemplateToUse($force_template = 0, $type = 0, $itilcategories_id = 0,
                                   $entities_id = -1) {
      Toolbox::deprecated('Use getITILTemplateToUse()');
      return $this->getITILTemplateToUse(
         $force_template,
         $type,
         $itilcategories_id,
         $entities_id
      );
   }


   function showForm($ID, $options = []) {
      global $CFG_GLPI;

      // show full create form only to tech users
      if ($ID <= 0 && Session::getCurrentInterface() !== "central") {
         return;
      }

      if (isset($options['_add_fromitem']) && isset($options['itemtype'])) {
         $item = new $options['itemtype'];
         $item->getFromDB($options['items_id'][$options['itemtype']][0]);
         $options['entities_id'] = $item->fields['entities_id'];
      }

      $default_values = self::getDefaultValues();

      // Restore saved value or override with page parameter
      $saved = $this->restoreInput();

      // Restore saved values and override $this->fields
      $this->restoreSavedValues($saved);

      foreach ($default_values as $name => $value) {
         if (!isset($options[$name])) {
            if (isset($saved[$name])) {
               $options[$name] = $saved[$name];
            } else {
               $options[$name] = $value;
            }
         }
      }

      if (isset($options['content'])) {
         // Clean new lines to be fix encoding
         $order              = ['\\r', '\\n', "\\'", '\\"', "\\\\"];
         $replace            = ["", "", "'", '"', "\\"];
         $options['content'] = str_replace($order, $replace, $options['content']);
      }
      if (isset($options['name'])) {
         $order           = ["\\'", '\\"', "\\\\"];
         $replace         = ["'", '"', "\\"];
         $options['name'] = str_replace($order, $replace, $options['name']);
      }

      if (!isset($options['_skip_promoted_fields'])) {
         $options['_skip_promoted_fields'] = false;
      }

      if (!$ID) {
         // Override defaut values from projecttask if needed
         if (isset($options['_projecttasks_id'])) {
            $pt = new ProjectTask();
            if ($pt->getFromDB($options['_projecttasks_id'])) {
               $options['name'] = $pt->getField('name');
               $options['content'] = $pt->getField('name');
            }
         }
         // Override defaut values from followup if needed
         if (isset($options['_promoted_fup_id']) && !$options['_skip_promoted_fields']) {
            $fup = new ITILFollowup();
            if ($fup->getFromDB($options['_promoted_fup_id'])) {
               $options['content'] = $fup->getField('content');
               $options['_users_id_requester'] = $fup->fields['users_id'];
               $options['_link'] = [
                  'link'         => Ticket_Ticket::SON_OF,
                  'tickets_id_2' => $fup->fields['items_id']
               ];
            }
            //Allow overriding the default values
            $options['_skip_promoted_fields'] = true;
         }
      }

      // Check category / type validity
      if ($options['itilcategories_id']) {
         $cat = new ITILCategory();
         if ($cat->getFromDB($options['itilcategories_id'])) {
            switch ($options['type']) {
               case self::INCIDENT_TYPE :
                  if (!$cat->getField('is_incident')) {
                     $options['itilcategories_id'] = 0;
                  }
                  break;

               case self::DEMAND_TYPE :
                  if (!$cat->getField('is_request')) {
                     $options['itilcategories_id'] = 0;
                  }
                  break;

               default :
                  break;
            }
         }
      }

      // Default check
      if ($ID > 0) {
         $this->check($ID, READ);
      } else {
         // Create item
         $this->check(-1, CREATE, $options);
      }

      if (!$ID) {
         $this->userentities = [];
         if ($options["_users_id_requester"]) {
            //Get all the user's entities
            $requester_entities = Profile_User::getUserEntities($options["_users_id_requester"], true,
                                                          true);
            $user_entities = $_SESSION['glpiactiveentities'];
            $this->userentities = array_intersect($requester_entities, $user_entities);
         }
         $this->countentitiesforuser = count($this->userentities);

         if (($this->countentitiesforuser > 0)
             && !in_array($this->fields["entities_id"], $this->userentities)) {
            // If entity is not in the list of user's entities,
            // then use as default value the first value of the user's entites list
            $this->fields["entities_id"] = $this->userentities[0];
            // Pass to values
            $options['entities_id']       = $this->userentities[0];
         }
      }

      if ($options['type'] <= 0) {
         $options['type'] = Entity::getUsedConfig('tickettype', $options['entities_id'], '',
                                                 Ticket::INCIDENT_TYPE);
      }

      if (!isset($options['template_preview'])) {
         $options['template_preview'] = 0;
      }

      if (!isset($options['_promoted_fup_id'])) {
         $options['_promoted_fup_id'] = 0;
      }

      // Load template if available :
      $tt = $this->getITILTemplateToUse(
         $options['template_preview'],
         $this->fields['type'],
         ($ID ? $this->fields['itilcategories_id'] : $options['itilcategories_id']),
         ($ID ? $this->fields['entities_id'] : $options['entities_id'])
      );

      // Predefined fields from template : reset them
      if (isset($options['_predefined_fields'])) {
         $options['_predefined_fields']
                        = Toolbox::decodeArrayFromInput($options['_predefined_fields']);
      } else {
         $options['_predefined_fields'] = [];
      }

      // Store predefined fields to be able not to take into account on change template
      // Only manage predefined values on ticket creation
      $predefined_fields = [];
      $tpl_key = $this->getTemplateFormFieldName();
      if (!$ID) {

         if (isset($tt->predefined) && count($tt->predefined)) {
            foreach ($tt->predefined as $predeffield => $predefvalue) {
               if (isset($default_values[$predeffield])) {
                  // Is always default value : not set
                  // Set if already predefined field
                  // Set if ticket template change
                  if (((count($options['_predefined_fields']) == 0)
                       && ($options[$predeffield] == $default_values[$predeffield]))
                      || (isset($options['_predefined_fields'][$predeffield])
                          && ($options[$predeffield] == $options['_predefined_fields'][$predeffield]))
                      || (isset($options[$tpl_key])
                          && ($options[$tpl_key] != $tt->getID()))
                      // user pref for requestype can't overwrite requestype from template
                      // when change category
                      || (($predeffield == 'requesttypes_id')
                          && empty($saved))) {

                     // Load template data
                     $options[$predeffield]            = $predefvalue;
                     $this->fields[$predeffield]      = $predefvalue;
                     $predefined_fields[$predeffield] = $predefvalue;
                  }
               }
            }
            // All predefined override : add option to say predifined exists
            if (count($predefined_fields) == 0) {
               $predefined_fields['_all_predefined_override'] = 1;
            }

         } else { // No template load : reset predefined values
            if (count($options['_predefined_fields'])) {
               foreach ($options['_predefined_fields'] as $predeffield => $predefvalue) {
                  if ($options[$predeffield] == $predefvalue) {
                     $options[$predeffield] = $default_values[$predeffield];
                  }
               }
            }
         }
      }
      // Put ticket template on $options for actors
      $options[str_replace('s_id', '', $tpl_key)] = $tt;

      // check right used for this ticket
      $canupdate     = !$ID
                        || (Session::getCurrentInterface() == "central"
                            && $this->canUpdateItem());
      $can_requester = $this->canRequesterUpdateItem();
      $canpriority   = Session::haveRight(self::$rightname, self::CHANGEPRIORITY);
      $canassign     = $this->canAssign();
      $canassigntome = $this->canAssignTome();

      if ($ID && in_array($this->fields['status'], $this->getClosedStatusArray())) {
         $canupdate = false;
         // No update for actors
         $options['_noupdate'] = true;
      }

      $showuserlink              = 0;
      if (Session::haveRight('user', READ)) {
         $showuserlink = 1;
      }

      if ($options['template_preview']) {
         // Add all values to fields of tickets for template preview
         foreach ($options as $key => $val) {
            if (!isset($this->fields[$key])) {
               $this->fields[$key] = $val;
            }
         }
      }

      // In percent
      $colsize1 = '13';
      $colsize2 = '29';
      $colsize3 = '13';
      $colsize4 = '45';

      $this->showFormHeader($options);

      echo "<tr class='tab_bg_1'>";
      echo "<th width='$colsize1%'>";
      echo $tt->getBeginHiddenFieldText('date');
      if (!$ID) {
         printf(__('%1$s%2$s'), __('Opening date'), $tt->getMandatoryMark('date'));
      } else {
         echo __('Opening date');
      }
      echo $tt->getEndHiddenFieldText('date');
      echo "</th>";
      echo "<td width='$colsize2%'>";
      echo $tt->getBeginHiddenFieldValue('date');
      $date = $this->fields["date"];

      if ($canupdate) {
         Html::showDateTimeField("date", ['value'      => $date,
                                          'maybeempty' => false,
                                          'required'   => ($tt->isMandatoryField('date') && !$ID)]);
      } else {
         echo Html::convDateTime($date);
      }
      echo $tt->getEndHiddenFieldValue('date', $this);
      echo "</td>";

      if ($ID) {
         echo "<th width='$colsize1%'>".__('By')."</th>";
         echo "<td width='$colsize2%'>";
         if ($canupdate) {
            User::dropdown(['name'   => 'users_id_recipient',
                                 'value'  => $this->fields["users_id_recipient"],
                                 'entity' => $this->fields["entities_id"],
                                 'right'  => 'all']);
         } else {
            echo getUserName($this->fields["users_id_recipient"], $showuserlink);
         }

         echo "</td>";
      } else {
         echo "<th width='$colsize1%'></th>";
         echo "<td width='$colsize1%'></td>";
      }
      echo "</tr>";

      echo "<tr class='tab_bg_1'>";
      if ($ID) {
         echo "<th width='$colsize3%'>".__('Last update')."</th>";
         echo "<td width='$colsize4%' colspan='3'>";
         if ($this->fields['users_id_lastupdater'] > 0) {
            //TRANS: %1$s is the update date, %2$s is the last updater name
            printf(__('%1$s by %2$s'), Html::convDateTime($this->fields["date_mod"]),
                   getUserName($this->fields["users_id_lastupdater"], $showuserlink));
         }
         echo "</td>";
      }
      echo "</tr>";

      // SLAs
      echo "<tr class='tab_bg_1'>";
      echo "<th width='$colsize1%'>".$tt->getBeginHiddenFieldText('time_to_own');
      if (!$ID) {
         printf(__('%1$s%2$s'), __('Time to own'), $tt->getMandatoryMark('time_to_own'));
      } else {
         echo __('Time to own');
      }
      echo $tt->getEndHiddenFieldText('time_to_own');
      echo "</th>";
      echo "<td width='$colsize2%' class='nopadding'>";
      $sla = new SLA();
      $sla->showForTicket($this, SLM::TTO, $tt, $canupdate);
      echo "</td>";
      echo "<th width='$colsize3%'>".$tt->getBeginHiddenFieldText('time_to_resolve');
      if (!$ID) {
         printf(__('%1$s%2$s'), __('Time to resolve'), $tt->getMandatoryMark('time_to_resolve'));
      } else {
         echo __('Time to resolve');
      }
      echo $tt->getEndHiddenFieldText('time_to_resolve');
      echo "</th>";
      echo "<td width='$colsize4%' class='nopadding'>";
      $sla->showForTicket($this, SLM::TTR, $tt, $canupdate);
      echo "</td>";
      echo "</tr>";

      // OLAs
      echo "<tr class='tab_bg_1'>";
      echo "<th width='$colsize1%'>".$tt->getBeginHiddenFieldText('internal_time_to_own');
      if (!$ID) {
         printf(__('%1$s%2$s'), __('Internal time to own'), $tt->getMandatoryMark('internal_time_to_own'));
      } else {
         echo __('Internal time to own');
      }
      echo $tt->getEndHiddenFieldText('internal_time_to_own');
      echo "</th>";
      echo "<td width='$colsize2%' class='nopadding'>";
      $ola = new OLA();
      $ola->showForTicket($this, SLM::TTO, $tt, $canupdate);
      echo "</td>";
      echo "<th width='$colsize3%'>".$tt->getBeginHiddenFieldText('internal_time_to_resolve');
      if (!$ID) {
         printf(__('%1$s%2$s'), __('Internal time to resolve'), $tt->getMandatoryMark('internal_time_to_resolve'));
      } else {
         echo __('Internal time to resolve');
      }
      echo $tt->getEndHiddenFieldText('internal_time_to_resolve');
      echo "</th>";
      echo "<td width='$colsize4%' class='nopadding'>";
      $ola->showForTicket($this, SLM::TTR, $tt, $canupdate);
      echo "</td>";
      echo "</tr>";

      if ($ID
          && (in_array($this->fields["status"], $this->getSolvedStatusArray())
              || in_array($this->fields["status"], $this->getClosedStatusArray()))) {

         echo "<tr class='tab_bg_1'>";
         echo "<th width='$colsize1%'>".__('Resolution date')."</th>";
         echo "<td width='$colsize2%'>";
         Html::showDateTimeField("solvedate", ['value'      => $this->fields["solvedate"],
                                                    'maybeempty' => false,
                                                    'canedit'    => $canupdate]);
         echo "</td>";
         if (in_array($this->fields["status"], $this->getClosedStatusArray())) {
            echo "<th width='$colsize3%'>".__('Close date')."</th>";
            echo "<td width='$colsize4%'>";
            Html::showDateTimeField("closedate", ['value'      => $this->fields["closedate"],
                                                       'maybeempty' => false,
                                                       'canedit'    => $canupdate]);
            echo "</td>";
         } else {
            echo "<td colspan='2'>&nbsp;</td>";
         }
         echo "</tr>";
      }

      if ($ID) {
         echo "</table>";
         echo "<table  class='tab_cadre_fixe' id='mainformtable2'>";
      }

      echo "<tr class='tab_bg_1'>";
      echo "<th width='$colsize1%'>".sprintf(__('%1$s%2$s'), _n('Type', 'Types', 1),
                                             $tt->getMandatoryMark('type'))."</th>";
      echo "<td width='$colsize2%'>";
      // Permit to set type when creating ticket without update right
      if ($canupdate) {
         $opt = ['value' => $this->fields["type"]];
         /// Auto submit to load template
         if (!$ID) {
            $opt['on_change'] = 'this.form.submit()';
         }
         $rand = self::dropdownType('type', $opt);
         if ($ID) {
            $params = ['type'            => '__VALUE__',
                            'entity_restrict' => $this->fields['entities_id'],
                            'value'           => $this->fields['itilcategories_id'],
                            'currenttype'     => $this->fields['type']];

            Ajax::updateItemOnSelectEvent("dropdown_type$rand", "show_category_by_type",
                                          $CFG_GLPI["root_doc"]."/ajax/dropdownTicketCategories.php",
                                          $params);
         }
      } else {
         echo self::getTicketTypeName($this->fields["type"]);
      }
      echo "</td>";
      echo "<th width='$colsize3%'>".sprintf(__('%1$s%2$s'), __('Category'),
                                             $tt->getMandatoryMark('itilcategories_id'))."</th>";
      echo "<td width='$colsize4%'>";
      // Permit to set category when creating ticket without update right
      if ($canupdate || $can_requester) {
         $conditions = [];

         $opt = ['value'  => $this->fields["itilcategories_id"],
                      'entity' => $this->fields["entities_id"]];
         if (Session::getCurrentInterface() == "helpdesk") {
            $conditions['is_helpdeskvisible'] = 1;
         }
         /// Auto submit to load template
         if (!$ID) {
            $opt['on_change'] = 'this.form.submit()';
         }
         /// if category mandatory, no empty choice
         /// no empty choice is default value set on ticket creation, else yes
         if (($ID || $options['itilcategories_id'])
             && $tt->isMandatoryField("itilcategories_id")
             && ($this->fields["itilcategories_id"] > 0)) {
            $opt['display_emptychoice'] = false;
         }

         switch ($this->fields["type"]) {
            case self::INCIDENT_TYPE :
               $conditions['is_incident'] = 1;
               break;

            case self::DEMAND_TYPE :
               $conditions['is_request'] = 1;
               break;

            default :
               break;
         }
         echo "<span id='show_category_by_type'>";
         $opt['condition'] = $conditions;
         ITILCategory::dropdown($opt);
         echo "</span>";
      } else {
         echo Dropdown::getDropdownName("glpi_itilcategories", $this->fields["itilcategories_id"]);
      }
      echo "</td>";
      echo "</tr>";

      if (!$ID) {
         echo "</table>";
         $this->showActorsPartForm($ID, $options);
         echo "<table class='tab_cadre_fixe' id='mainformtable3'>";
      }

      echo "<tr class='tab_bg_1'>";
      echo "<th width='$colsize1%'>".$tt->getBeginHiddenFieldText('status');
      printf(__('%1$s%2$s'), __('Status'), $tt->getMandatoryMark('status'));
      echo $tt->getEndHiddenFieldText('status')."</th>";
      echo "<td width='$colsize2%'>";
      echo $tt->getBeginHiddenFieldValue('status');
      if ($canupdate) {
         self::dropdownStatus(['value'     => $this->fields["status"],
                                    'showtype'  => 'allowed']);
         TicketValidation::alertValidation($this, 'status');
      } else {
         echo self::getStatus($this->fields["status"]);
         if ($this->canReopen()) {
            $link = $this->getLinkURL(). "&amp;_openfollowup=1&amp;forcetab=";
            $link .= "Ticket$1";
            echo "&nbsp;<a class='vsubmit' href='$link'>". __('Reopen')."</a>";
         }
      }
      echo $tt->getEndHiddenFieldValue('status', $this);

      echo "</td>";
      echo "<th width='$colsize3%'>".$tt->getBeginHiddenFieldText('requesttypes_id');
      printf(__('%1$s%2$s'), RequestType::getTypeName(1), $tt->getMandatoryMark('requesttypes_id'));
      echo $tt->getEndHiddenFieldText('requesttypes_id')."</th>";
      echo "<td width='$colsize4%'>";
      echo $tt->getBeginHiddenFieldValue('requesttypes_id');
      if ($canupdate) {
         RequestType::dropdown(['value' => $this->fields["requesttypes_id"], 'condition' => ['is_active' => 1, 'is_ticketheader' => 1]]);
      } else {
         echo Dropdown::getDropdownName('glpi_requesttypes', $this->fields["requesttypes_id"]);
         echo Html::hidden('requesttypes_id', ['value' => $this->fields["requesttypes_id"]]);
      }
      echo $tt->getEndHiddenFieldValue('requesttypes_id', $this);
      echo "</td>";
      echo "</tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<th>".$tt->getBeginHiddenFieldText('urgency');
      printf(__('%1$s%2$s'), __('Urgency'), $tt->getMandatoryMark('urgency'));
      echo $tt->getEndHiddenFieldText('urgency')."</th>";
      echo "<td>";

      if ($canupdate || $can_requester) {
         echo $tt->getBeginHiddenFieldValue('urgency');
         $idurgency = self::dropdownUrgency(['value' => $this->fields["urgency"]]);
         echo $tt->getEndHiddenFieldValue('urgency', $this);

      } else {
         $idurgency = "value_urgency".mt_rand();
         echo "<input id='$idurgency' type='hidden' name='urgency' value='".
                $this->fields["urgency"]."'>";
         echo $tt->getBeginHiddenFieldValue('urgency');
         echo self::getUrgencyName($this->fields["urgency"]);
         echo $tt->getEndHiddenFieldValue('urgency', $this);
      }
      echo "</td>";
      // Display validation state
      echo "<th>";
      if (!$ID) {
         echo $tt->getBeginHiddenFieldText('_add_validation');
         printf(__('%1$s%2$s'), __('Approval request'), $tt->getMandatoryMark('_add_validation'));
         echo $tt->getEndHiddenFieldText('_add_validation');
      } else {
         echo $tt->getBeginHiddenFieldText('global_validation');
         echo CommonITILValidation::getTypeName(1);
         echo $tt->getEndHiddenFieldText('global_validation');
      }
      echo "</th>";
      echo "<td>";
      if (!$ID) {
         echo $tt->getBeginHiddenFieldValue('_add_validation');
         $validation_right = '';
         if (($options['type'] == self::INCIDENT_TYPE)
             && Session::haveRight('ticketvalidation', TicketValidation::CREATEINCIDENT)) {
            $validation_right = 'validate_incident';
         }
         if (($options['type'] == self::DEMAND_TYPE)
             && Session::haveRight('ticketvalidation', TicketValidation::CREATEREQUEST)) {
            $validation_right = 'validate_request';
         }

         if (!empty($validation_right)) {
            echo "<input type='hidden' name='_add_validation' value='".
                   $options['_add_validation']."'>";

            $params = ['name'               => "users_id_validate",
                            'entity'             => $this->fields['entities_id'],
                            'right'              => $validation_right,
                            'users_id_validate'  => $options['users_id_validate']];
            TicketValidation::dropdownValidator($params);
         }
         echo $tt->getEndHiddenFieldValue('_add_validation', $this);
         if ($tt->isPredefinedField('global_validation')) {
            echo "<input type='hidden' name='global_validation' value='".
                   $tt->predefined['global_validation']."'>";
         }
      } else {
         echo $tt->getBeginHiddenFieldValue('global_validation');

         if (Session::haveRightsOr('ticketvalidation', TicketValidation::getCreateRights())
             && $canupdate) {
            TicketValidation::dropdownStatus('global_validation',
                                             ['global' => true,
                                                   'value'  => $this->fields['global_validation']]);
         } else {
            echo TicketValidation::getStatus($this->fields['global_validation']);
         }
         echo $tt->getEndHiddenFieldValue('global_validation', $this);

      }
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<th>".$tt->getBeginHiddenFieldText('impact');
      printf(__('%1$s%2$s'), __('Impact'), $tt->getMandatoryMark('impact'));
      echo $tt->getEndHiddenFieldText('impact')."</th>";
      echo "<td>";
      echo $tt->getBeginHiddenFieldValue('impact');

      if ($canupdate) {
         $idimpact = self::dropdownImpact(['value' => $this->fields["impact"]]);
      } else {
         $idimpact = "value_impact".mt_rand();
         echo "<input id='$idimpact' type='hidden' name='impact' value='".$this->fields["impact"]."'>";
         echo self::getImpactName($this->fields["impact"]);
      }
      echo $tt->getEndHiddenFieldValue('impact', $this);
      echo "</td>";

      echo "<th>".$tt->getBeginHiddenFieldText('locations_id');
      printf(__('%1$s%2$s'), Location::getTypeName(1), $tt->getMandatoryMark('locations_id'));
      echo $tt->getEndHiddenFieldText('locations_id')."</th>";
      echo "<td>";
      echo $tt->getBeginHiddenFieldValue('locations_id');
      if ($canupdate) {
         Location::dropdown(['value'  => $this->fields['locations_id'],
                                  'entity' => $this->fields['entities_id']]);
      } else {
         echo Dropdown::getDropdownName('glpi_locations', $this->fields["locations_id"]);
      }
      echo $tt->getEndHiddenFieldValue('locations_id', $this);
      echo "</td>";
      echo "</tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<th>".$tt->getBeginHiddenFieldText('priority');
      printf(__('%1$s%2$s'), __('Priority'), $tt->getMandatoryMark('priority'));
      echo $tt->getEndHiddenFieldText('priority')."</th>";
      echo "<td>";
      $idajax = 'change_priority_' . mt_rand();

      if ($canpriority
          && !$tt->isHiddenField('priority')) {
         $idpriority = self::dropdownPriority(['value' => $this->fields["priority"],
            'withmajor' => true]);
         $idpriority = 'dropdown_priority'.$idpriority;
         echo "&nbsp;<span id='$idajax' style='display:none'></span>";

      } else {
         $idpriority = 0;
         echo $tt->getBeginHiddenFieldValue('priority');
         echo "<span id='$idajax'>". self::getPriorityName($this->fields["priority"]) ."</span>";
         echo "<input id='$idajax' type='hidden' name='priority' value='".$this->fields["priority"]."'>";
         echo $tt->getEndHiddenFieldValue('priority', $this);
      }

      if ($canupdate || $can_requester) {
         $params = ['urgency'  => '__VALUE0__',
                    'impact'   => '__VALUE1__',
                    'priority' => $idpriority];
         Ajax::updateItemOnSelectEvent(['dropdown_urgency'.$idurgency,
                                             'dropdown_impact'.$idimpact],
                                       $idajax,
                                       $CFG_GLPI["root_doc"]."/ajax/priority.php", $params);
      }
      echo "</td>";

      if (!$ID) {
         echo "<th rowspan='2'>".$tt->getBeginHiddenFieldText('items_id');
         printf(__('%1$s%2$s'), _n('Associated element', 'Associated elements', Session::getPluralNumber()), $tt->getMandatoryMark('items_id'));
         echo $tt->getEndHiddenFieldText('items_id');
         echo "</th>";
         echo "<td rowspan='2'>";
         echo $tt->getBeginHiddenFieldValue('items_id');
         $options['_canupdate'] = Session::haveRight('ticket', CREATE);
         if ($options['_canupdate']) {
            Item_Ticket::itemAddForm($this, $options);
         }
         echo $tt->getEndHiddenFieldValue('items_id', $this);
         echo "</td>";
      } else {
         echo "<th></th>";
         echo "<td></td>";
      }
      echo "</tr>";

      if (!$ID
          && Session::haveRight('followup', ITILFollowup::ADDALLTICKET)) {

         echo "<tr class='tab_bg_1'>";
         // Need comment right to add a followup with the actiontime
         echo "<th>".$tt->getBeginHiddenFieldText('actiontime');
         printf(__('%1$s%2$s'), __('Total duration'), $tt->getMandatoryMark('actiontime'));
         echo $tt->getEndHiddenFieldText('actiontime')."</th>";
         echo "<td>";
         echo $tt->getBeginHiddenFieldValue('actiontime');
         Dropdown::showTimeStamp('actiontime', ['value' => $options['actiontime'],
                                                'addfirstminutes' => true]);
         echo $tt->getEndHiddenFieldValue('actiontime', $this);
         echo "</td>";
         echo "</tr>";
      }

      echo "</table>";
      if ($ID) {
         $this->showActorsPartForm($ID, $options);
      }

      echo "<table class='tab_cadre_fixe' id='mainformtable4'>";
      echo "<tr class='tab_bg_1'>";
      echo "<th style='width:$colsize1%'>".$tt->getBeginHiddenFieldText('name');
      printf(__('%1$s%2$s'), __('Title'), $tt->getMandatoryMark('name'));
      echo $tt->getEndHiddenFieldText('name')."</th>";
      echo "<td colspan='3'>";
      if ($canupdate || $can_requester) {
         echo $tt->getBeginHiddenFieldValue('name');
         echo "<input type='text' style='width:98%' maxlength=250 name='name' ".
                ($tt->isMandatoryField('name') ? " required='required'" : '') .
                " value=\"".Html::cleanInputText($this->fields["name"])."\">";
         echo $tt->getEndHiddenFieldValue('name', $this);
      } else {
         if (empty($this->fields["name"])) {
            echo __('Without title');
         } else {
            echo $this->fields["name"];
         }
      }
      echo "</td>";
      echo "</tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<th style='width:$colsize1%'>".$tt->getBeginHiddenFieldText('content');
      printf(__('%1$s%2$s'), __('Description'), $tt->getMandatoryMark('content'));
      if ($canupdate || $can_requester) {
         $content = Toolbox::unclean_cross_side_scripting_deep(Html::entity_decode_deep($this->fields['content']));
         Html::showTooltip(nl2br(Html::Clean($content)));
      }
      echo $tt->getEndHiddenFieldText('content')."</th>";
      echo "<td colspan='3'>";

      echo $tt->getBeginHiddenFieldValue('content');
      $rand       = mt_rand();
      $rand_text  = mt_rand();
      $rows       = 10;
      $content_id = "content$rand";

      $content = $this->fields['content'];
      if (!isset($options['template_preview'])) {
         $content = Html::cleanPostForTextArea($content);
      }

      $content = Html::setRichTextContent(
         $content_id,
         $content,
         $rand,
         !$canupdate
      );

      echo "<div id='content$rand_text'>";
      if ($canupdate || $can_requester) {
         $uploads = [];
         if (isset($this->input['_content'])) {
            $uploads['_content'] = $this->input['_content'];
            $uploads['_tag_content'] = $this->input['_tag_content'];
         }
         Html::textarea([
            'name'            => 'content',
            'filecontainer'   => 'content_info',
            'editor_id'       => $content_id,
            'required'        => $tt->isMandatoryField('content'),
            'rows'            => $rows,
            'enable_richtext' => true,
            'value'           => $content,
            'uploads'         => $uploads,
         ]);
      } else {
         echo Toolbox::getHtmlToDisplay($content);
      }
      echo "</div>";
      echo $tt->getEndHiddenFieldValue('content', $this);

      echo "</td>";
      echo "</tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<th style='width:$colsize1%'>". _n('Linked ticket', 'Linked tickets',
                                               Session::getPluralNumber());
      $rand_linked_ticket = mt_rand();
      if ($canupdate) {
         echo "<span class='fa fa-plus pointer' onClick=\"".Html::jsShow("linkedticket$rand_linked_ticket")."\"
                title=\"".__s('Add')."\"><span class='sr-only'>" . __s('Add') . "</span></span>";
      }
      echo '</th>';
      echo "<td colspan='3'>";
      if ($canupdate) {
         echo "<div style='display:none' id='linkedticket$rand_linked_ticket'>";
         echo "<table class='tab_format' width='100%'><tr><td width='30%'>";
         Ticket_Ticket::dropdownLinks('_link[link]',
                                      (isset($options["_link"])?$options["_link"]['link']:''));
         echo "<input type='hidden' name='_link[tickets_id_1]' value='$ID'>\n";
         echo "</td><td width='70%'>";
         $linkparam = ['name'        => '_link[tickets_id_2]',
                       'used'        => [$this->getID()],
                       'displaywith' => ['id']];

         if (isset($options["_link"])) {
            $linkparam['value'] = $options["_link"]['tickets_id_2'];
         }
         Ticket::dropdown($linkparam);
         echo "</td></tr></table>";
         echo "</div>";

         if (isset($options["_link"])
             && !empty($options["_link"]['tickets_id_2'])) {
            echo "<script language='javascript'>";
               echo "$(function() {";
            echo Html::jsShow("linkedticket$rand_linked_ticket");
            echo "});</script>";
         }
      }

      Ticket_Ticket::displayLinkedTicketsTo($ID);
      echo "</td>";
      echo "</tr>";

      if (!in_array($this->fields['status'], $this->getClosedStatusArray())) {
         // View files added
         echo "<tr class='tab_bg_1'>";
         // Permit to add doc when creating a ticket
         echo "<th style='width:$colsize1%'>";
         echo $tt->getBeginHiddenFieldText('_documents_id');
         $doctitle =  sprintf(__('File (%s)'), Document::getMaxUploadSize());
         printf(__('%1$s%2$s'), $doctitle, $tt->getMandatoryMark('_documents_id'));
         // Do not show if hidden.
         if (!$tt->isHiddenField('_documents_id')) {
            DocumentType::showAvailableTypesLink();
         }
         echo $tt->getEndHiddenFieldText('_documents_id');
         echo "</th>";
         echo "<td colspan='3'>";
         // Do not set values
         echo $tt->getEndHiddenFieldValue('_documents_id');
         if ($tt->isPredefinedField('_documents_id')) {
            if (isset($options['_documents_id'])
               && is_array($options['_documents_id'])
               && count($options['_documents_id'])) {

               echo "<span class='b'>".__('Default documents:').'</span>';
               echo "<br>";
               $doc = new Document();
               foreach ($options['_documents_id'] as $key => $val) {
                  if ($doc->getFromDB($val)) {
                     echo "<input type='hidden' name='_documents_id[$key]' value='$val'>";
                     echo "- ".$doc->getNameID()."<br>";
                  }
               }
            }
         }
         if (!$tt->isHiddenField('_documents_id')) {
            $uploads = [];
            if (isset($this->input['_filename'])) {
               $uploads['_filename'] = $this->input['_filename'];
               $uploads['_tag_filename'] = $this->input['_tag_filename'];
            }
            Html::file([
               'filecontainer' => 'fileupload_info_ticket',
               // 'editor_id'     => $content_id,
               'showtitle'     => false,
               'multiple'      => true,
               'uploads'       => $uploads,
            ]);
         }
         echo "</td>";
         echo "</tr>";
      }

      Plugin::doHook("post_item_form", ['item' => $this, 'options' => &$options]);

      echo "</table>";

      $display_save_btn = (!array_key_exists('locked', $options) || !$options['locked'])
         && ($canupdate || $can_requester || $canpriority || $canassign || $canassigntome);

      if ($display_save_btn
          && !$options['template_preview']) {
         if ($ID) {
            echo "<div class='center'>";
            if ($this->fields["is_deleted"] == 1) {
               if (self::canDelete()) {
                  echo "<input type='submit' class='submit' name='restore' value='".
                         _sx('button', 'Restore')."'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
               }
            } else {
               if ($display_save_btn) {
                  echo "<input type='submit' class='submit' name='update' value='".
                         _sx('button', 'Save')."'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
               }
            }
            if ($this->fields["is_deleted"] == 1) {
               if (self::canPurge()) {
                  echo "<input type='submit' class='submit' name='purge' value='".
                         _sx('button', 'Delete permanently')."' ".
                         Html::addConfirmationOnAction(__('Confirm the final deletion?')).">";
               }
            } else {
               if ($this->canDeleteItem()) {
                  echo "<input type='submit' class='submit small_space' name='delete' value='".
                         _sx('button', 'Put in trashbin')."'>";
               }
            }
            echo "<input type='hidden' name='_read_date_mod' value='".$this->getField('date_mod')."'>";
            echo "</div>";
         } else {
            echo "<div class='tab_bg_2 center'>";
            $add_params = ['name' => 'add'];
            if ($options['_promoted_fup_id']) {
               $add_params['confirm'] = __('Confirm the promotion?');
            }
            echo Html::submit(_x('button', 'Add'), $add_params);
            if ($tt->isField('id') && ($tt->fields['id'] > 0)) {
               echo "<input type='hidden' name='$tpl_key' value='".$tt->fields['id']."'>";
               echo "<input type='hidden' name='_predefined_fields'
                      value=\"".Toolbox::prepareArrayForInput($predefined_fields)."\">";
            }
            echo Html::hidden('_promoted_fup_id', ['value' => $options['_promoted_fup_id']]);
            echo Html::hidden('_skip_promoted_fields', ['value' => $options['_skip_promoted_fields']]);
            echo '</div>';
         }
      }

      echo "</table>";
      echo "<input type='hidden' name='id' value='$ID'>";

      if (isset($options['_projecttasks_id'])) {
         echo Html::hidden('_projecttasks_id', ['value' => $options['_projecttasks_id']]);
      }

      echo "</div>";

      if (!$options['template_preview']) {
         Html::closeForm();
      }

      return true;
   }


   /**
    * @param $size (default 25)
   **/
   static function showDocumentAddButton($size = 25) {
      echo "<script type='text/javascript'>var nbfiles=1; var maxfiles = 5;</script>";
      echo "<span id='addfilebutton' class='fa fa-plus pointer' title=\"".__s('Add')."\"".
             "\" onClick=\"if (nbfiles<maxfiles){
                           var row = ".Html::jsGetElementbyID('uploadfiles').";
                           row.append('<br><input type=\'file\' name=\'filename[]\' size=\'$size\'>');
                           nbfiles++;
                           if (nbfiles==maxfiles) {
                              ".Html::jsHide('addfilebutton')."
                           }
                        }\"
              <span class='sr-only'>" . __s('Add') . "</span></span>";
   }


   /**
    * @param integer $start
    * @param string  $status             (default ''process)
    * @param boolean $showgrouptickets   (true by default)
    */
   static function showCentralList($start, $status = "process", $showgrouptickets = true) {
      global $DB;

      if (!Session::haveRightsOr(self::$rightname, [CREATE, self::READALL, self::READASSIGN])
          && !Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights())) {

         return false;
      }

      $JOINS = [];
      $WHERE = [
         'is_deleted' => 0
      ];
      $search_users_id = [
         'glpi_tickets_users.users_id' => Session::getLoginUserID(),
         'glpi_tickets_users.type'     => CommonITILActor::REQUESTER
      ];
      $search_assign = [
         'glpi_tickets_users.users_id' => Session::getLoginUserID(),
         'glpi_tickets_users.type'     => CommonITILActor::ASSIGN
      ];
      $search_observer = [
         'glpi_tickets_users.users_id' => Session::getLoginUserID(),
         'glpi_tickets_users.type'     => CommonITILActor::OBSERVER
      ];

      if ($showgrouptickets) {
         $search_users_id  = [0];
         $search_assign = [0];

         if (count($_SESSION['glpigroups'])) {
            $search_assign = [
               'glpi_groups_tickets.groups_id'  => $_SESSION['glpigroups'],
               'glpi_groups_tickets.type'       => CommonITILActor::ASSIGN
            ];

            if (Session::haveRight(self::$rightname, self::READGROUP)) {
               $search_users_id = [
                  'glpi_groups_tickets.groups_id' => $_SESSION['glpigroups'],
                  'glpi_groups_tickets.type'      => CommonITILActor::REQUESTER
               ];
               $search_observer = [
                  'glpi_groups_tickets.groups_id' => $_SESSION['glpigroups'],
                  'glpi_groups_tickets.type'      => CommonITILActor::OBSERVER
               ];
            }
         }
      }

      switch ($status) {
         case "waiting" : // waiting tickets
            $WHERE = array_merge(
               $WHERE,
               $search_assign,
               ['glpi_tickets.status' => self::WAITING]
            );
            break;

         case "process" : // planned or assigned or incoming tickets
            $WHERE = array_merge(
               $WHERE,
               $search_assign,
               ['glpi_tickets.status' => array_merge(self::getProcessStatusArray(), [self::INCOMING])]
            );

            break;

         case "toapprove" : //tickets waiting for approval
            $ORWHERE = ['AND' => $search_users_id];
            if (!$showgrouptickets &&  Session::haveRight('ticket', Ticket::SURVEY)) {
               $ORWHERE[] = ['glpi_tickets.users_id_recipient' => Session::getLoginUserID()];
            }
            $WHERE[] = ['OR' => $ORWHERE];
            $WHERE['glpi_tickets.status'] = self::SOLVED;
            break;

         case "tovalidate" : // tickets waiting for validation
            $JOINS['LEFT JOIN'] = [
               'glpi_ticketvalidations' => [
                  'ON' => [
                     'glpi_ticketvalidations'   => 'tickets_id',
                     'glpi_tickets'             => 'id'
                  ]
               ]
            ];
            $WHERE = array_merge(
               $WHERE,
               [
                  'users_id_validate'              => Session::getLoginUserID(),
                  'glpi_ticketvalidations.status'  => CommonITILValidation::WAITING,
                  'glpi_tickets.global_validation' => CommonITILValidation::WAITING,
                  'NOT'                            => [
                     'glpi_tickets.status'   => [self::SOLVED, self::CLOSED]
                  ]
               ]
            );
            break;

         case "validation.rejected" : // tickets with rejected validation (approval)
         case "rejected": //old ambiguous key
            $WHERE = array_merge(
               $WHERE,
               $search_assign,
               [
                  'glpi_tickets.status'            => ['<>', self::CLOSED],
                  'glpi_tickets.global_validation' => CommonITILValidation::REFUSED
               ]
            );
            break;

         case "solution.rejected" : // tickets with rejected solution
            $subq = new QuerySubQuery([
               'SELECT' => 'last_solution.id',
               'FROM'   => 'glpi_itilsolutions AS last_solution',
               'WHERE'  => [
                  'last_solution.items_id'   => new QueryExpression($DB->quoteName('glpi_tickets.id')),
                  'last_solution.itemtype'   => 'Ticket'
               ],
               'ORDER'  => 'last_solution.id DESC',
               'LIMIT'  => 1
            ]);

            $JOINS['LEFT JOIN'] = [
               'glpi_itilsolutions' => [
                  'ON' => [
                     'glpi_itilsolutions' => 'id',
                     $subq
                  ]
               ]
            ];

            $WHERE = array_merge(
               $WHERE,
               $search_assign,
               [
                  'glpi_tickets.status'         => ['<>', self::CLOSED],
                  'glpi_itilsolutions.status'   => CommonITILValidation::REFUSED
               ]
            );
            break;
         case "observed" :
            $WHERE = array_merge(
               $WHERE,
               $search_observer,
               [
                  'glpi_tickets.status'   => [
                     self::INCOMING,
                     self::PLANNED,
                     self::ASSIGNED,
                     self::WAITING
                  ],
                  'NOT'                   => [
                     $search_assign,
                     $search_users_id
                  ]
               ]
            );
            break;

         case "survey" : // tickets dont l'enqu??te de satisfaction n'est pas remplie et encore valide
            $JOINS['INNER JOIN'] = [
               'glpi_ticketsatisfactions' => [
                  'ON' => [
                     'glpi_ticketsatisfactions' => 'tickets_id',
                     'glpi_tickets'             => 'id'
                  ]
               ],
               'glpi_entities'            => [
                  'ON' => [
                     'glpi_tickets'    => 'entities_id',
                     'glpi_entities'   => 'id'
                  ]
               ]
            ];
            $ORWHERE = ['AND' => $search_users_id];
            if (!$showgrouptickets &&  Session::haveRight('ticket', Ticket::SURVEY)) {
               $ORWHERE[] = ['glpi_tickets.users_id_recipient' => Session::getLoginUserID()];
            }
            $WHERE[] = ['OR' => $ORWHERE];

            $WHERE = array_merge(
               $WHERE,
               [
                  'glpi_tickets.status'   => self::CLOSED,
                  ['OR'                   => [
                     'glpi_entities.inquest_duration' => 0,
                     new \QueryExpression(
                        'DATEDIFF(ADDDATE(' . $DB->quoteName('glpi_ticketsatisfactions.date_begin') .
                        ', INTERVAL ' . $DB->quoteName('glpi_entities.inquest_duration')  . ' DAY), CURDATE()) > 0'
                     )
                  ]],
                  'glpi_ticketsatisfactions.date_answered'  => null
               ]
            );
            break;

         case "requestbyself" : // on affiche les tickets demand??s le user qui sont planifi??s ou assign??s
               // ?? quelqu'un d'autre (exclut les self-tickets)

         default :
            $WHERE = array_merge(
               $WHERE,
               $search_users_id,
               [
                  'glpi_tickets.status'   => [
                     self::INCOMING,
                     self::PLANNED,
                     self::ASSIGNED,
                     self::WAITING
                  ],
                  'NOT' => $search_assign
               ]
            );
      }

      $criteria = [
         'SELECT'          => ['glpi_tickets.id', 'glpi_tickets.date_mod'],
         'DISTINCT'        => true,
         'FROM'            => 'glpi_tickets',
         'LEFT JOIN'       => [
            'glpi_tickets_users'    => [
               'ON' => [
                  'glpi_tickets_users' => 'tickets_id',
                  'glpi_tickets'       => 'id'
               ]
            ],
            'glpi_groups_tickets'   => [
               'ON' => [
                  'glpi_groups_tickets'   => 'tickets_id',
                  'glpi_tickets'          => 'id'
               ]
            ]
         ],
         'WHERE'           => $WHERE + getEntitiesRestrictCriteria('glpi_tickets'),
         'ORDERBY'         => 'glpi_tickets.date_mod DESC'
      ];
      if (count($JOINS)) {
         $criteria = array_merge_recursive($criteria, $JOINS);
      }

      $iterator = $DB->request($criteria);
      $total_row_count = count($iterator);
      $displayed_row_count = (int)$_SESSION['glpidisplay_count_on_home'] > 0
         ? min((int)$_SESSION['glpidisplay_count_on_home'], $total_row_count)
         : $total_row_count;

      if ($displayed_row_count > 0) {
         echo "<table class='tab_cadrehov'>";
         echo "<tr class='noHover'><th colspan='4'>";

         $options  = [
            'criteria' => [],
            'reset'    => 'reset',
         ];
         $forcetab = '';
         if ($showgrouptickets) {
            switch ($status) {
               case "toapprove" :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = self::SOLVED;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 71; // groups_id
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'mygroups';
                  $options['criteria'][1]['link']       = 'AND';
                  $forcetab                 = 'Ticket$2';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Your tickets to close'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "waiting" :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = self::WAITING;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 8; // groups_id_assign
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'mygroups';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Tickets on pending status'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "process" :

                  $options['criteria'] = [
                     [
                        'field'        => 8,
                        'searchtype'   => 'equals',
                        'value'        => 'mygroups',
                        'link'         => 'AND',
                     ],
                     [
                        'link' => 'AND',
                        'criteria' => [
                           [
                              'link'        => 'AND',
                              'field'       => 12,
                              'searchtype'  => 'equals',
                              'value'       => Ticket::INCOMING,
                           ],
                           [
                              'link'        => 'OR',
                              'field'       => 12,
                              'searchtype'  => 'equals',
                              'value'       => 'process',
                           ]
                        ]
                     ]
                  ];

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Tickets to be processed'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "observed":
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = 'notold';
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 65; // groups_id
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'mygroups';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Your observed tickets'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "requestbyself" :
               default :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = 'notold';
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 71; // groups_id
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'mygroups';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Your tickets in progress'), $displayed_row_count, $total_row_count)."</a>";
            }

         } else {
            switch ($status) {
               case "waiting" :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = self::WAITING;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 5; // users_id_assign
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = Session::getLoginUserID();
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Tickets on pending status'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "process" :
                  $options['criteria'][0]['field']      = 5; // users_id_assign
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = Session::getLoginUserID();
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 12; // status
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'process';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Tickets to be processed'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "tovalidate" :
                  $options['criteria'][0]['field']      = 55; // validation status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = CommonITILValidation::WAITING;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 59; // validation aprobator
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = Session::getLoginUserID();
                  $options['criteria'][1]['link']       = 'AND';

                  $options['criteria'][2]['field']      = 12; // validation aprobator
                  $options['criteria'][2]['searchtype'] = 'equals';
                  $options['criteria'][2]['value']      = 'old';
                  $options['criteria'][2]['link']       = 'AND NOT';

                  $options['criteria'][3]['field']      = 52; // global validation status
                  $options['criteria'][3]['searchtype'] = 'equals';
                  $options['criteria'][3]['value']      = CommonITILValidation::WAITING;
                  $options['criteria'][3]['link']       = 'AND';
                  $forcetab                         = 'TicketValidation$1';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your tickets to validate'), $displayed_row_count, $total_row_count)."</a>";

                  break;

               case "validation.rejected" :
               case "rejected" : // old ambiguous key
                  $options['criteria'][0]['field']      = 52; // validation status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = CommonITILValidation::REFUSED;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 5; // assign user
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = Session::getLoginUserID();
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your tickets having rejected approval status'), $displayed_row_count, $total_row_count)."</a>";

                  break;

               case "solution.rejected" :
                  $options['criteria'][0]['field']      = 39; // last solution status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = CommonITILValidation::REFUSED;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 5; // assign user
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = Session::getLoginUserID();
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your tickets having rejected solution'), $displayed_row_count, $total_row_count)."</a>";

                  break;

               case "toapprove" :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = self::SOLVED;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 4; // users_id_assign
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = Session::getLoginUserID();
                  $options['criteria'][1]['link']       = 'AND';

                  $options['criteria'][2]['field']      = 22; // users_id_recipient
                  $options['criteria'][2]['searchtype'] = 'equals';
                  $options['criteria'][2]['value']      = Session::getLoginUserID();
                  $options['criteria'][2]['link']       = 'OR';

                  $options['criteria'][3]['field']      = 12; // status
                  $options['criteria'][3]['searchtype'] = 'equals';
                  $options['criteria'][3]['value']      = self::SOLVED;
                  $options['criteria'][3]['link']       = 'AND';

                  $forcetab                 = 'Ticket$2';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your tickets to close'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "observed" :
                  $options['criteria'][0]['field']      = 66; // users_id
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = Session::getLoginUserID();
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 12; // status
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'notold';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your observed tickets'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "survey" :
                  $options['criteria'][0]['field']      = 12; // status
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = self::CLOSED;
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 60; // enquete generee
                  $options['criteria'][1]['searchtype'] = 'contains';
                  $options['criteria'][1]['value']      = '^';
                  $options['criteria'][1]['link']       = 'AND';

                  $options['criteria'][2]['field']      = 61; // date_answered
                  $options['criteria'][2]['searchtype'] = 'contains';
                  $options['criteria'][2]['value']      = 'NULL';
                  $options['criteria'][2]['link']       = 'AND';

                  if (Session::haveRight('ticket', Ticket::SURVEY)) {
                     $options['criteria'][3]['field']      = 22; // author
                     $options['criteria'][3]['searchtype'] = 'equals';
                     $options['criteria'][3]['value']      = Session::getLoginUserID();
                     $options['criteria'][3]['link']       = 'AND';
                  } else {
                     $options['criteria'][3]['field']      = 4; // requester
                     $options['criteria'][3]['searchtype'] = 'equals';
                     $options['criteria'][3]['value']      = Session::getLoginUserID();
                     $options['criteria'][3]['link']       = 'AND';
                  }
                  $forcetab                 = 'Ticket$3';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                         Toolbox::append_params($options, '&amp;')."\">".
                         Html::makeTitle(__('Satisfaction survey'), $displayed_row_count, $total_row_count)."</a>";
                  break;

               case "requestbyself" :
               default :
                  $options['criteria'][0]['field']      = 4; // users_id
                  $options['criteria'][0]['searchtype'] = 'equals';
                  $options['criteria'][0]['value']      = Session::getLoginUserID();
                  $options['criteria'][0]['link']       = 'AND';

                  $options['criteria'][1]['field']      = 12; // status
                  $options['criteria'][1]['searchtype'] = 'equals';
                  $options['criteria'][1]['value']      = 'notold';
                  $options['criteria'][1]['link']       = 'AND';

                  echo "<a href=\"".Ticket::getSearchURL()."?".
                        Toolbox::append_params($options, '&amp;')."\">".
                        Html::makeTitle(__('Your tickets in progress'), $displayed_row_count, $total_row_count)."</a>";
            }
         }

         echo "</th></tr>";
         echo "<tr><th style='width: 75px;'>".__('ID')."</th>";
         echo "<th style='width: 20%;'>"._n('Requester', 'Requesters', 1)."</th>";
         echo "<th style='width: 20%;'>"._n('Associated element', 'Associated elements', Session::getPluralNumber())."</th>";
         echo "<th>".__('Description')."</th></tr>";
         $i = 0;
         while ($i < $displayed_row_count && ($data = $iterator->next())) {
            self::showVeryShort($data['id'], $forcetab);
            $i++;
         }
         echo "</table>";

      }
   }

   /**
    * Get tickets count
    *
    * @param boolean $foruser  Only for current login user as requester (false by default)
   **/
   static function showCentralCount($foruser = false) {
      global $DB, $CFG_GLPI;

      // show a tab with count of jobs in the central and give link
      if (!Session::haveRight(self::$rightname, self::READALL) && !self::canCreate()) {
         return false;
      }
      if (!Session::haveRight(self::$rightname, self::READALL)) {
         $foruser = true;
      }

      $table = self::getTable();
      $criteria = [
         'SELECT'    => [
            'glpi_tickets.status',
            'COUNT DISTINCT' => ["$table.id AS COUNT"],
         ],
         'FROM'      => $table,
         'WHERE'     => getEntitiesRestrictCriteria($table),
         'GROUPBY'   => 'status'
      ];

      if ($foruser) {
         $criteria['LEFT JOIN'] = [
            'glpi_tickets_users' => [
               'ON' => [
                  'glpi_tickets_users' => 'tickets_id',
                  $table               => 'id', [
                     'AND' => [
                        'glpi_tickets_users.type' => CommonITILActor::REQUESTER
                     ]
                  ]
               ]
            ],
            'glpi_ticketvalidations' => [
               'ON' => [
                  'glpi_ticketvalidations'   => 'tickets_id',
                  $table                     => 'id'
               ]
            ]
         ];

         if (Session::haveRight(self::$rightname, self::READGROUP)
             && isset($_SESSION["glpigroups"])
             && count($_SESSION["glpigroups"])) {
            $criteria['LEFT JOIN']['glpi_groups_tickets'] = [
               'ON' => [
                  'glpi_groups_tickets'   => 'tickets_id',
                  $table                  => 'id', [
                     'AND' => ['glpi_groups_tickets.type' => CommonITILActor::REQUESTER]
                  ]
               ]
            ];
         }
      }

      if ($foruser) {
         $ORWHERE = ['OR' => [
            'glpi_tickets_users.users_id'                => Session::getLoginUserID(),
            'glpi_tickets.users_id_recipient'            => Session::getLoginUserID(),
            'glpi_ticketvalidations.users_id_validate'   => Session::getLoginUserID()
         ]];

         if (Session::haveRight(self::$rightname, self::READGROUP)
             && isset($_SESSION["glpigroups"])
             && count($_SESSION["glpigroups"])) {
            $ORWHERE['OR']['glpi_groups_tickets.groups_id'] = $_SESSION['glpigroups'];
         }
         $criteria['WHERE'][] = $ORWHERE;
      }

      $deleted_criteria = $criteria;
      $criteria['WHERE']['glpi_tickets.is_deleted'] = 0;
      $deleted_criteria['WHERE']['glpi_tickets.is_deleted'] = 1;
      $iterator = $DB->request($criteria);
      $deleted_iterator = $DB->request($deleted_criteria);

      $status = [];
      foreach (self::getAllStatusArray() as $key => $val) {
         $status[$key] = 0;
      }

      while ($data = $iterator->next()) {
         $status[$data["status"]] = $data["COUNT"];
      }

      $number_deleted = 0;
      while ($data = $deleted_iterator->next()) {
         $number_deleted += $data["COUNT"];
      }

      $options = [
         'criteria' => [],
         'reset'    => 'reset',
      ];
      $options['criteria'][0]['field']      = 12;
      $options['criteria'][0]['searchtype'] = 'equals';
      $options['criteria'][0]['value']      = 'process';
      $options['criteria'][0]['link']       = 'AND';

      echo "<table class='tab_cadrehov' >";
      echo "<tr class='noHover'><th colspan='2'>";

      if (Session::getCurrentInterface() != "central") {
         echo "<a href=\"".$CFG_GLPI["root_doc"]."/front/helpdesk.public.php?create_ticket=1\" class='pointer'>".
                __('Create a ticket')."&nbsp;<i class='fa fa-plus'></i><span class='sr-only'>". __s('Add')."</span></a>";
      } else {
         echo "<a href=\"".Ticket::getSearchURL()."?".
                Toolbox::append_params($options, '&amp;')."\">".__('Ticket followup')."</a>";
      }
      echo "</th></tr>";
      echo "<tr><th>"._n('Ticket', 'Tickets', Session::getPluralNumber())."</th>
            <th class='numeric'>"._x('quantity', 'Number')."</th></tr>";

      if (Session::haveRightsOr('ticketvalidation', TicketValidation::getValidateRights())) {
           $number_waitapproval = TicketValidation::getNumberToValidate(Session::getLoginUserID());

           $opt = [
              'criteria' => [],
              'reset'    => 'reset',
           ];
           $opt['criteria'][0]['field']      = 55; // validation status
           $opt['criteria'][0]['searchtype'] = 'equals';
           $opt['criteria'][0]['value']      = CommonITILValidation::WAITING;
           $opt['criteria'][0]['link']       = 'AND';

           $opt['criteria'][1]['field']      = 59; // validation aprobator
           $opt['criteria'][1]['searchtype'] = 'equals';
           $opt['criteria'][1]['value']      = Session::getLoginUserID();
           $opt['criteria'][1]['link']       = 'AND';

           echo "<tr class='tab_bg_2'>";
           echo "<td><a href=\"".Ticket::getSearchURL()."?".
               Toolbox::append_params($opt, '&amp;')."\">".__('Ticket waiting for your approval')."</a></td>";
           echo "<td class='numeric'>".$number_waitapproval."</td></tr>";
      }

      foreach ($status as $key => $val) {
         $options['criteria'][0]['value'] = $key;
         echo "<tr class='tab_bg_2'>";
         echo "<td><a href=\"".Ticket::getSearchURL()."?".
                    Toolbox::append_params($options, '&amp;')."\">".self::getStatus($key)."</a></td>";
         echo "<td class='numeric'>$val</td></tr>";
      }

      $options['criteria'][0]['value'] = 'all';
      $options['is_deleted']  = 1;
      echo "<tr class='tab_bg_2'>";
      echo "<td><a href=\"".Ticket::getSearchURL()."?".
                 Toolbox::append_params($options, '&amp;')."\">".__('Deleted')."</a></td>";
      echo "<td class='numeric'>".$number_deleted."</td></tr>";

      echo "</table><br>";
   }


   static function showCentralNewList() {
      global $DB;

      if (!Session::haveRight(self::$rightname, self::READALL)) {
         return false;
      }

      $criteria = self::getCommonCriteria();
      $criteria['WHERE'] = [
         'status'       => self::INCOMING,
         'is_deleted'   => 0
      ] + getEntitiesRestrictCriteria(self::getTable());
      $criteria['LIMIT'] = (int)$_SESSION['glpilist_limit'];
      $iterator = $DB->request($criteria);
      $number = count($iterator);

      if ($number > 0) {
         Session::initNavigateListItems('Ticket');

         $options = [
            'criteria' => [],
            'reset'    => 'reset',
         ];
         $options['criteria'][0]['field']      = 12;
         $options['criteria'][0]['searchtype'] = 'equals';
         $options['criteria'][0]['value']   = self::INCOMING;
         $options['criteria'][0]['link']       = 'AND';

         echo "<div class='center'><table class='tab_cadre_fixe' style='min-width: 85%'>";
         //TRANS: %d is the number of new tickets
         echo "<tr><th colspan='12'>".sprintf(_n('%d new ticket', '%d new tickets', $number), $number);
         echo "<a href='".Ticket::getSearchURL()."?".
                Toolbox::append_params($options, '&amp;')."'>".__('Show all')."</a>";
         echo "</th></tr>";

         self::commonListHeader(Search::HTML_OUTPUT);

         while ($data = $iterator->next()) {
            Session::addToNavigateListItems('Ticket', $data["id"]);
            self::showShort($data["id"]);
         }
         echo "</table></div>";

      } else {
         echo "<div class='center'>";
         echo "<table class='tab_cadre_fixe' style='min-width: 85%'>";
         echo "<tr><th>".__('No ticket found.')."</th></tr>";
         echo "</table>";
         echo "</div><br>";
      }
   }

   /**
   * Display tickets for an item
    *
    * Will also display tickets of linked items
    *
    * @param CommonDBTM $item         CommonDBTM object
    * @param integer    $withtemplate (default 0)
    *
    * @return void (display a table)
   **/
   static function showListForItem(CommonDBTM $item, $withtemplate = 0) {
      global $DB;

      if (!Session::haveRightsOr(self::$rightname,
                                  [self::READALL, self::READMY, self::READASSIGN, CREATE])) {
         return false;
      }

      if ($item->isNewID($item->getID())) {
         return false;
      }

      $criteria = self::getCommonCriteria();
      $restrict = [];
      $options  = [
         'criteria' => [],
         'reset'    => 'reset',
      ];

      switch ($item->getType()) {
         case 'User' :
            $restrict['glpi_tickets_users.users_id'] = $item->getID();
            $restrict['glpi_tickets_users.type'] = CommonITILActor::REQUESTER;

            $options['criteria'][0]['field']      = 4; // status
            $options['criteria'][0]['searchtype'] = 'equals';
            $options['criteria'][0]['value']      = $item->getID();
            $options['criteria'][0]['link']       = 'AND';
            break;

         case 'SLA' :
            $restrict[] = [
               'OR' => [
                  'slas_id_tto'  => $item->getID(),
                  'slas_id_ttr'  => $item->getID()
               ]
            ];
            $criteria['ORDERBY'] = 'glpi_tickets.time_to_resolve DESC';

            $options['criteria'][0]['field']      = 30;
            $options['criteria'][0]['searchtype'] = 'equals';
            $options['criteria'][0]['value']      = $item->getID();
            $options['criteria'][0]['link']       = 'AND';
            break;

         case 'OLA' :
            $restrict[] = [
               'OR' => [
                  'olas_id_tto'  => $item->getID(),
                  'olas_id_ttr'  => $item->getID()
               ]
            ];
            $criteria['ORDERBY'] = 'glpi_tickets.internal_time_to_resolve DESC';

            $options['criteria'][0]['field']      = 30;
            $options['criteria'][0]['searchtype'] = 'equals';
            $options['criteria'][0]['value']      = $item->getID();
            $options['criteria'][0]['link']       = 'AND';
            break;

         case 'Supplier' :
            $restrict['glpi_suppliers_tickets.suppliers_id'] = $item->getID();
            $restrict['glpi_suppliers_tickets.type'] = CommonITILActor::ASSIGN;

            $options['criteria'][0]['field']      = 6;
            $options['criteria'][0]['searchtype'] = 'equals';
            $options['criteria'][0]['value']      = $item->getID();
            $options['criteria'][0]['link']       = 'AND';
            break;

         case 'Group' :
            // Mini search engine
            if ($item->haveChildren()) {
               $tree = Session::getSavedOption(__CLASS__, 'tree', 0);
               echo "<table class='tab_cadre_fixe'>";
               echo "<tr class='tab_bg_1'><th>".__('Last tickets')."</th></tr>";
               echo "<tr class='tab_bg_1'><td class='center'>";
               echo __('Child groups')."&nbsp;";
               Dropdown::showYesNo('tree', $tree, -1,
                                   ['on_change' => 'reloadTab("start=0&tree="+this.value)']);
            } else {
               $tree = 0;
            }
            echo "</td></tr></table>";

            $restrict['glpi_groups_tickets.groups_id'] = ($tree ? getSonsOf('glpi_groups', $item->getID()) : $item->getID());
            $restrict['glpi_groups_tickets.type'] = CommonITILActor::REQUESTER;

            $options['criteria'][0]['field']      = 71;
            $options['criteria'][0]['searchtype'] = ($tree ? 'under' : 'equals');
            $options['criteria'][0]['value']      = $item->getID();
            $options['criteria'][0]['link']       = 'AND';
            break;

         default :
            $restrict['glpi_items_tickets.items_id'] = $item->getID();
            $restrict['glpi_items_tickets.itemtype'] = $item->getType();

            // you can only see your tickets
            if (!Session::haveRight(self::$rightname, self::READALL)) {
               $or = [
                  'glpi_tickets.users_id_recipient'   => Session::getLoginUserID(),
                  [
                     'AND' => [
                        'glpi_tickets_users.tickets_id'  => new \QueryExpression('glpi_tickets.id'),
                        'glpi_tickets_users.users_id'    => Session::getLoginUserID()
                     ]
                  ]
               ];
               if (count($_SESSION['glpigroups'])) {
                  $or['glpi_groups_tickets.groups_id'] = $_SESSION['glpigroups'];
               }
               $restrict[] = ['OR' => $or];
            }

            $options['criteria'][0]['field']      = 12;
            $options['criteria'][0]['searchtype'] = 'equals';
            $options['criteria'][0]['value']      = 'all';
            $options['criteria'][0]['link']       = 'AND';

            $options['metacriteria'][0]['itemtype']   = $item->getType();
            $options['metacriteria'][0]['field']      = Search::getOptionNumber($item->getType(),
                                                                                'id');
            $options['metacriteria'][0]['searchtype'] = 'equals';
            $options['metacriteria'][0]['value']      = $item->getID();
            $options['metacriteria'][0]['link']       = 'AND';
            break;
      }

      $criteria['WHERE'] = $restrict + getEntitiesRestrictCriteria(self::getTable());
      $criteria['WHERE']['glpi_tickets.is_deleted'] = 0;
      $criteria['LIMIT'] = (int)$_SESSION['glpilist_limit'];
      $iterator = $DB->request($criteria);
      $number = count($iterator);

      $colspan = 11;
      if (count($_SESSION["glpiactiveentities"]) > 1) {
         $colspan++;
      }

      // Ticket for the item
      // Link to open a new ticket
      if ($item->getID()
          && !$item->isDeleted()
          && Ticket::isPossibleToAssignType($item->getType())
          && self::canCreate()
          && !(!empty($withtemplate) && ($withtemplate == 2))
            && (!isset($item->fields['is_template']) || ($item->fields['is_template'] == 0))) {
         echo "<div class='firstbloc'>";
         Html::showSimpleForm(Ticket::getFormURL(),
                              '_add_fromitem', __('New ticket for this item...'),
                              ['itemtype' => $item->getType(),
                                    'items_id' => $item->getID()]);
         echo "</div>";
      }

      if ($item->getID()
          && ($item->getType() == 'User')
          && self::canCreate()
          && !(!empty($withtemplate) && ($withtemplate == 2))) {
         echo "<div class='firstbloc'>";
         Html::showSimpleForm(Ticket::getFormURL(),
                              '_add_fromitem', __('New ticket for this item...'),
                              ['_users_id_requester' => $item->getID()]);
         echo "</div>";
      }

      echo "<div>";

      if ($number > 0) {
         echo "<table class='tab_cadre_fixehov'>";
         if (Session::haveRight(self::$rightname, self::READALL)) {
            Session::initNavigateListItems('Ticket',
            //TRANS : %1$s is the itemtype name, %2$s is the name of the item (used for headings of a list)
                                           sprintf(__('%1$s = %2$s'), $item->getTypeName(1),
                                                   $item->getName()));

            echo "<tr class='noHover'><th colspan='$colspan'>";
            $title = sprintf(_n('Last %d ticket', 'Last %d tickets', $number), $number);
            $link = "<a href='".Ticket::getSearchURL()."?".
                      Toolbox::append_params($options, '&amp;')."'>".__('Show all')."</a>";
            $title = printf(__('%1$s (%2$s)'), $title, $link);
            echo "</th></tr>";
         } else {
            echo "<tr><th colspan='$colspan'>".__("You don't have right to see all tickets")."</th></tr>";
         }

      } else {
         echo "<table class='tab_cadre_fixe'>";
         echo "<tr><th>".__('No ticket found.')."</th></tr>";
      }

      // Ticket list
      if ($number > 0) {
         self::commonListHeader(Search::HTML_OUTPUT);

         while ($data = $iterator->next()) {
            Session::addToNavigateListItems('Ticket', $data["id"]);
            self::showShort($data["id"]);
         }
         self::commonListHeader(Search::HTML_OUTPUT);
      }

      echo "</table></div>";

      // Tickets for linked items
      $linkeditems = $item->getLinkedItems();
      $restrict    = [];
      if (count($linkeditems)) {
         foreach ($linkeditems as $ltype => $tab) {
            foreach ($tab as $lID) {
               $restrict[] = ['AND' => ['itemtype' => $ltype, 'items_id' => $lID]];
            }
         }
      }

      if (count($restrict)
          && Session::haveRight(self::$rightname, self::READALL)) {
         $criteria = self::getCommonCriteria();
         $criteria['WHERE'] = ['OR' => $restrict]
             + getEntitiesRestrictCriteria(self::getTable());
         $iterator = $DB->request($criteria);
         $number = count($iterator);

         echo "<div class='spaced'><table class='tab_cadre_fixe'>";
         echo "<tr><th colspan='12'>";
         echo _n('Ticket on linked items', 'Tickets on linked items', $number);
         echo "</th></tr>";
         if ($number > 0) {
            self::commonListHeader(Search::HTML_OUTPUT);
            while ($data = $iterator->next()) {
               // Session::addToNavigateListItems(TRACKING_TYPE,$data["id"]);
               self::showShort($data["id"]);
            }
            self::commonListHeader(Search::HTML_OUTPUT);
         } else {
            echo "<tr><th>".__('No ticket found.')."</th></tr>";
         }
         echo "</table></div>";

      } // Subquery for linked item

   }

   /**
    * @param $ID
    * @param $forcetab  string   name of the tab to force at the display (default '')
   **/
   static function showVeryShort($ID, $forcetab = '') {
      // Prints a job in short form
      // Should be called in a <table>-segment
      // Print links or not in case of user view
      // Make new job object and fill it from database, if success, print it
      $showprivate = false;
      if (Session::haveRight('followup', ITILFollowup::SEEPRIVATE)) {
         $showprivate = true;
      }

      $job  = new self();
      $rand = mt_rand();
      if ($job->getFromDBwithData($ID, 0)) {
         $bgcolor = $_SESSION["glpipriority_".$job->fields["priority"]];
         $name    = sprintf(__('%1$s: %2$s'), __('ID'), $job->fields["id"]);
         // $rand    = mt_rand();
         echo "<tr class='tab_bg_2'>";
         echo "<td>
            <div class='priority_block' style='border-color: $bgcolor'>
               <span style='background: $bgcolor'></span>&nbsp;$name
            </div>
         </td>";
         echo "<td>";

         if (isset($job->users[CommonITILActor::REQUESTER])
             && count($job->users[CommonITILActor::REQUESTER])) {
            foreach ($job->users[CommonITILActor::REQUESTER] as $d) {
               if ($d["users_id"] > 0) {
                  $userdata = getUserName($d["users_id"], 2);
                  $name     = "<span class='b'>".$userdata['name']."</span>";
                  $name     = sprintf(__('%1$s %2$s'), $name,
                                      Html::showToolTip($userdata["comment"],
                                                        ['link'    => $userdata["link"],
                                                              'display' => false]));
                  echo $name;
               } else {
                  echo $d['alternative_email']."&nbsp;";
               }
               echo "<br>";
            }
         }

         if (isset($job->groups[CommonITILActor::REQUESTER])
             && count($job->groups[CommonITILActor::REQUESTER])) {
            foreach ($job->groups[CommonITILActor::REQUESTER] as $d) {
               echo Dropdown::getDropdownName("glpi_groups", $d["groups_id"]);
               echo "<br>";
            }
         }

         echo "</td>";

         echo "<td>";
         if (!empty($job->hardwaredatas)) {
            foreach ($job->hardwaredatas as $hardwaredatas) {
               if ($hardwaredatas->canView()) {
                  echo $hardwaredatas->getTypeName()." - ";
                  echo "<span class='b'>".$hardwaredatas->getLink()."</span><br/>";
               } else if ($hardwaredatas) {
                  echo $hardwaredatas->getTypeName()." - ";
                  echo "<span class='b'>".$hardwaredatas->getNameID()."</span><br/>";
               }
            }
         } else {
            echo __('General');
         }
         echo "<td>";

         $link = "<a id='ticket".$job->fields["id"].$rand."' href='".Ticket::getFormURLWithID($job->fields["id"]);
         if ($forcetab != '') {
            $link .= "&amp;forcetab=".$forcetab;
         }
         $link   .= "'>";
         $link   .= "<span class='b'>".$job->getNameID()."</span></a>";
         $link    = sprintf(__('%1$s (%2$s)'), $link,
                            sprintf(__('%1$s - %2$s'), $job->numberOfFollowups($showprivate),
                                    $job->numberOfTasks($showprivate)));
         $content = Toolbox::unclean_cross_side_scripting_deep(html_entity_decode($job->fields['content'],
                                                                                  ENT_QUOTES,
                                                                                  "UTF-8"));
         $link    = printf(__('%1$s %2$s'), $link,
                           Html::showToolTip(nl2br(Html::Clean($content)),
                                             ['applyto' => 'ticket'.$job->fields["id"].$rand,
                                                   'display' => false]));
         echo "</td>";

         // Finish Line
         echo "</tr>";
      } else {
         echo "<tr class='tab_bg_2'>";
         echo "<td colspan='6' ><i>".__('No ticket in progress.')."</i></td></tr>";
      }
   }


   public static function getCommonCriteria() {
      $criteria = parent::getCommonCriteria();

      $criteria['LEFT JOIN']['glpi_tickettasks'] = [
         'ON' => [
            self::getTable()     => 'id',
            'glpi_tickettasks'   => 'tickets_id'
         ]
      ];

      return $criteria;
   }


   /**
    * @deprecated 9.5.0
    */
   static function getCommonSelect() {
      Toolbox::deprecated('Use getCommonCriteria with db iterator');
      $SELECT = "";
      if (count($_SESSION["glpiactiveentities"])>1) {
         $SELECT .= ", `glpi_entities`.`completename` AS entityname,
                       `glpi_tickets`.`entities_id` AS entityID ";
      }

      return " DISTINCT `glpi_tickets`.*,
                        `glpi_itilcategories`.`completename` AS catname
                        $SELECT";
   }


   /**
    * @deprecated 9.5.0
    */
   static function getCommonLeftJoin() {
      Toolbox::deprecated('Use getCommonCriteria with db iterator');

      $FROM = "";
      if (count($_SESSION["glpiactiveentities"])>1) {
         $FROM .= " LEFT JOIN `glpi_entities`
                        ON (`glpi_entities`.`id` = `glpi_tickets`.`entities_id`) ";
      }

      return " LEFT JOIN `glpi_groups_tickets`
                  ON (`glpi_tickets`.`id` = `glpi_groups_tickets`.`tickets_id`)
               LEFT JOIN `glpi_tickets_users`
                  ON (`glpi_tickets`.`id` = `glpi_tickets_users`.`tickets_id`)
               LEFT JOIN `glpi_suppliers_tickets`
                  ON (`glpi_tickets`.`id` = `glpi_suppliers_tickets`.`tickets_id`)
               LEFT JOIN `glpi_itilcategories`
                  ON (`glpi_tickets`.`itilcategories_id` = `glpi_itilcategories`.`id`)
               LEFT JOIN `glpi_tickettasks`
                  ON (`glpi_tickets`.`id` = `glpi_tickettasks`.`tickets_id`)
               LEFT JOIN `glpi_items_tickets`
                  ON (`glpi_tickets`.`id` = `glpi_items_tickets`.`tickets_id`)
               $FROM";

   }


   /**
    * @param $output
   **/
   static function showPreviewAssignAction($output) {

      //If ticket is assign to an object, display this information first
      if (isset($output["entities_id"])
          && isset($output["items_id"])
          && isset($output["itemtype"])) {

         if ($item = getItemForItemtype($output["itemtype"])) {
            if ($item->getFromDB($output["items_id"])) {
               echo "<tr class='tab_bg_2'>";
               echo "<td>".__('Assign equipment')."</td>";

               echo "<td>".$item->getLink(['comments' => true])."</td>";
               echo "</tr>";
            }
         }

         unset($output["items_id"]);
         unset($output["itemtype"]);
      }
      unset($output["entities_id"]);
      return $output;
   }


   /**
    * Give cron information
    *
    * @param string $name  Task's name
    *
    * @return array Array of information
   **/
   static function cronInfo($name) {

      switch ($name) {
         case 'closeticket' :
            return ['description' => __('Automatic tickets closing')];

         case 'alertnotclosed' :
            return ['description' => __('Not solved tickets')];

         case 'createinquest' :
            return ['description' => __('Generation of satisfaction surveys')];

         case 'purgeticket':
            return ['description' => __('Automatic closed tickets purge')];
      }
      return [];
   }


   /**
    * Cron for ticket's automatic close
    *
    * @param CronTask $task
    *
    * @return integer (0 : nothing done - 1 : done)
   **/
   static function cronCloseTicket($task) {
      global $DB;

      $ticket = new self();

      // Recherche des entit??s
      $tot = 0;

      $entities = $DB->request(
         [
            'SELECT' => 'id',
            'FROM'   => Entity::getTable(),
         ]
      );
      foreach ($entities as $entity) {
         $delay  = Entity::getUsedConfig('autoclose_delay', $entity['id'], '', Entity::CONFIG_NEVER);
         if ($delay >= 0) {
            $criteria = [
               'FROM'   => self::getTable(),
               'WHERE'  => [
                  'entities_id'  => $entity['id'],
                  'status'       => self::SOLVED,
                  'is_deleted'   => 0
               ]
            ];

            if ($delay > 0) {
               $calendars_id = Entity::getUsedConfig('calendars_id', $entity['id']);
               $calendar = new Calendar();
               if ($calendars_id && $calendar->getFromDB($calendars_id) && $calendar->hasAWorkingDay()) {
                  $end_date = $calendar->computeEndDate(
                     date('Y-m-d H:i:s'),
                     - $delay * DAY_TIMESTAMP,
                     0,
                     true
                  );
                  $criteria['WHERE']['solvedate'] = ['<=', $end_date];
               } else {
                  // no calendar, remove all days
                  $criteria['WHERE'][] = new \QueryExpression(
                     "ADDDATE(" . $DB->quoteName('solvedate') . ", INTERVAL $delay DAY) < NOW()"
                  );
               }
            }

            $nb = 0;
            $iterator = $DB->request($criteria);
            while ($tick = $iterator->next()) {
               $ticket->update([
                  'id'           => $tick['id'],
                  'status'       => self::CLOSED,
                  '_auto_update' => true
               ]);
               $nb++;
            }

            if ($nb) {
               $tot += $nb;
               $task->addVolume($nb);
               $task->log(Dropdown::getDropdownName('glpi_entities', $entity['id'])." : $nb");
            }
         }
      }

      return ($tot > 0 ? 1 : 0);
   }


   /**
    * Cron for alert old tickets which are not solved
    *
    * @param CronTask $task
    *
    * @return integer (0 : nothing done - 1 : done)
   **/
   static function cronAlertNotClosed($task) {
      global $DB, $CFG_GLPI;

      if (!$CFG_GLPI["use_notifications"]) {
         return 0;
      }
      // Recherche des entit??s
      $tot = 0;
      foreach (Entity::getEntitiesToNotify('notclosed_delay') as $entity => $value) {
         $iterator = $DB->request([
            'FROM'   => self::getTable(),
            'WHERE'  => [
               'entities_id'  => $entity,
               'is_deleted'   => 0,
               'status'       => [
                  self::INCOMING,
                  self::ASSIGNED,
                  self::PLANNED,
                  self::WAITING
               ],
               'closedate'    => null,
               new QueryExpression("ADDDATE(" . $DB->quoteName('date') . ", INTERVAL $value DAY) < NOW()")
            ]
         ]);
         $tickets = [];
         while ($tick = $iterator->next()) {
            $tickets[] = $tick;
         }

         if (!empty($tickets)) {
            if (NotificationEvent::raiseEvent('alertnotclosed', new self(),
                                              ['items'       => $tickets,
                                                    'entities_id' => $entity])) {

               $tot += count($tickets);
               $task->addVolume(count($tickets));
               $task->log(sprintf(__('%1$s: %2$s'),
                                  Dropdown::getDropdownName('glpi_entities', $entity),
                                  count($tickets)));
            }
         }
      }

      return ($tot > 0 ? 1 : 0);
   }


   /**
    * Cron for ticketsatisfaction's automatic generated
    *
    * @param CronTask $task
    *
    * @return integer (0 : nothing done - 1 : done)
   **/
   static function cronCreateInquest($task) {
      global $DB;

      $conf        = new Entity();
      $inquest     = new TicketSatisfaction();
      $tot         = 0;
      $maxentity   = [];
      $tabentities = [];

      $rate = Entity::getUsedConfig('inquest_config', 0, 'inquest_rate');
      if ($rate > 0) {
         $tabentities[0] = $rate;
      }

      foreach ($DB->request('glpi_entities') as $entity) {
         $rate   = Entity::getUsedConfig('inquest_config', $entity['id'], 'inquest_rate');
         $parent = Entity::getUsedConfig('inquest_config', $entity['id'], 'entities_id');

         if ($rate > 0) {
            $tabentities[$entity['id']] = $rate;
         }
      }

      foreach ($tabentities as $entity => $rate) {
         $parent        = Entity::getUsedConfig('inquest_config', $entity, 'entities_id');
         $delay         = Entity::getUsedConfig('inquest_config', $entity, 'inquest_delay');
         $duration      = Entity::getUsedConfig('inquest_config', $entity, 'inquest_duration');
         $type          = Entity::getUsedConfig('inquest_config', $entity);
         $max_closedate = Entity::getUsedConfig('inquest_config', $entity, 'max_closedate');

         $table = self::getTable();
         $iterator = $DB->request([
            'SELECT'    => [
               "$table.id",
               "$table.closedate",
               "$table.entities_id"
            ],
            'FROM'      => $table,
            'LEFT JOIN' => [
               'glpi_ticketsatisfactions' => [
                  'ON' => [
                     'glpi_ticketsatisfactions' => 'tickets_id',
                     'glpi_tickets'             => 'id'
                  ]
               ],
               'glpi_entities'            => [
                  'ON' => [
                     'glpi_tickets'    => 'entities_id',
                     'glpi_entities'   => 'id'
                  ]
               ]
            ],
            'WHERE'     => [
               "$table.entities_id"          => $entity,
               "$table.is_deleted"           => 0,
               "$table.status"               => self::CLOSED,
               "$table.closedate"            => ['>', $max_closedate],
               new QueryExpression("ADDDATE(" . $DB->quoteName("$table.closedate") . ", INTERVAL $delay DAY) <= NOW()"),
               new QueryExpression("ADDDATE(" . $DB->quoteName("glpi_entities.max_closedate") . ", INTERVAL $duration DAY) <= NOW()"),
               "glpi_ticketsatisfactions.id" => null
            ],
            'ORDERBY'   => 'closedate ASC'
         ]);

         $nb            = 0;
         $max_closedate = '';

         while ($tick = $iterator->next()) {
            $max_closedate = $tick['closedate'];
            if (mt_rand(1, 100) <= $rate) {
               if ($inquest->add(['tickets_id'  => $tick['id'],
                                       'date_begin'  => $_SESSION["glpi_currenttime"],
                                       'entities_id' => $tick['entities_id'],
                                       'type'        => $type])) {
                  $nb++;
               }
            }
         }

         // conservation de toutes les max_closedate des entites filles
         if (!empty($max_closedate)
             && (!isset($maxentity[$parent])
                 || ($max_closedate > $maxentity[$parent]))) {
            $maxentity[$parent] = $max_closedate;
         }

         if ($nb) {
            $tot += $nb;
            $task->addVolume($nb);
            $task->log(sprintf(__('%1$s: %2$s'),
                               Dropdown::getDropdownName('glpi_entities', $entity), $nb));
         }
      }

      // Sauvegarde du max_closedate pour ne pas tester les m??me tickets 2 fois
      foreach ($maxentity as $parent => $maxdate) {
         $conf->getFromDB($parent);
         $conf->update(['id'            => $conf->fields['id'],
                             //'entities_id'   => $parent,
                             'max_closedate' => $maxdate]);
      }

      return ($tot > 0 ? 1 : 0);
   }


   /**
    * Cron for ticket's automatic purge
    *
    * @param CronTask $task CronTask object
    *
    * @return integer (0 : nothing done - 1 : done)
   **/
   static function cronPurgeTicket(CronTask $task) {
      global $DB;

      $ticket = new self();

      //search entities
      $tot = 0;

      $entities = $DB->request(
         [
            'SELECT' => 'id',
            'FROM'   => Entity::getTable(),
         ]
      );

      foreach ($entities as $entity) {
         $delay  = Entity::getUsedConfig('autopurge_delay', $entity['id'], '', Entity::CONFIG_NEVER);
         if ($delay >= 0) {
            $criteria = [
               'FROM'   => $ticket->getTable(),
               'WHERE'  => [
                  'entities_id'  => $entity['id'],
                  'status'       => $ticket->getClosedStatusArray(),
               ]
            ];

            if ($delay > 0) {
               // remove all days
               $criteria['WHERE'][] = new \QueryExpression("ADDDATE(`closedate`, INTERVAL ".$delay." DAY) < NOW()");
            }

            $iterator = $DB->request($criteria);
            $nb = 0;

            foreach ($iterator as $tick) {
               $ticket->delete(
                  [
                     'id'           => $tick['id'],
                     '_auto_update' => true
                  ],
                  true
               );
               $nb++;
            }

            if ($nb) {
               $tot += $nb;
               $task->addVolume($nb);
               $task->log(Dropdown::getDropdownName('glpi_entities', $entity['id'])." : $nb");
            }
         }
      }

      return ($tot > 0 ? 1 : 0);
   }

   /**
    * Display debug information for current object
   **/
   function showDebug() {
      NotificationEvent::debugEvent($this);
   }


   /**
    * @since 0.85
    *
    * @see commonDBTM::getRights()
    **/
   function getRights($interface = 'central') {

      $values = parent::getRights();
      unset($values[READ]);
      $values[self::READMY]    = __('See my ticket');
                                                  //TRANS: short for : See tickets created by my groups
      $values[self::READGROUP] = ['short' => __('See group ticket'),
                                       'long'  => __('See tickets created by my groups')];
      if ($interface == 'central') {
         $values[self::READALL]        = __('See all tickets');
                                                //TRANS: short for : See assigned tickets (group associated)
         $values[self::READASSIGN]     = ['short' => __('See assigned'),
                                               'long'  => __('See assigned tickets')];
                                               //TRANS: short for : Assign a ticket
         $values[self::ASSIGN]         = ['short' => __('Assign'),
                                               'long'  => __('Assign a ticket')];
                                               //TRANS: short for : Steal a ticket
         $values[self::STEAL]          = ['short' => __('Steal'),
                                               'long'  => __('Steal a ticket')];
                                               //TRANS: short for : To be in charge of a ticket
         $values[self::OWN]            = ['short' => __('Beeing in charge'),
                                               'long'  => __('To be in charge of a ticket')];
         $values[self::CHANGEPRIORITY] = __('Change the priority');
         $values[self::SURVEY]         = ['short' => __('Approve solution/Reply survey (my ticket)'),
                                               'long'  => __('Approve solution and reply to survey for ticket created by me')];
      }
      if ($interface == 'helpdesk') {
         unset($values[UPDATE], $values[DELETE], $values[PURGE]);
      }
      return $values;
   }

   /**
    * Convert img of the collector for ticket
    *
    * @since 0.85
    *
    * @param string $html  html content of input
    * @param array  $files filenames
    * @param array  $tags  image tags
    *
    * @return string html content
   **/
   static function convertContentForTicket($html, $files, $tags) {

      preg_match_all("/src\s*=\s*['|\"](.+?)['|\"]/", $html, $matches, PREG_PATTERN_ORDER);
      if (isset($matches[1]) && count($matches[1])) {
         // Get all image src

         foreach ($matches[1] as $src) {
            // Set tag if image matches
            foreach ($files as $data => $filename) {
               if (preg_match("/".$data."/i", $src)) {
                  $html = preg_replace("/<img.*src=['|\"]".preg_quote($src, '/')."['|\"][^>]*\>/s", "<p>".Document::getImageTag($tags[$filename])."</p>", $html);
               }
            }
         }
      }

      return $html;

   }


   /**
    * @since 0.90
    *
    * @param integer $tickets_id
    * @param string  $action      (default 'add')
   **/
   static function getSplittedSubmitButtonHtml($tickets_id, $action = "add") {

      $locale = _sx('button', 'Add');
      if ($action == 'update') {
         $locale = _x('button', 'Save');
      }
      $ticket       = new self();
      $ticket->getFromDB($tickets_id);
      $all_status   = Ticket::getAllowedStatusArray($ticket->fields['status']);
      $rand = mt_rand();

      $html = "<div class='x-split-button' id='x-split-button'>
               <input type='submit' value='$locale' name='$action' class='x-button x-button-main'>
               <span class='x-button x-button-drop'>&nbsp;</span>
               <ul class='x-button-drop-menu'>";
      foreach ($all_status as $status_key => $status_label) {
         $checked = "";
         if ($status_key == $ticket->fields['status']) {
            $checked = "checked='checked'";
         }
         $html .= "<li data-status='".self::getStatusKey($status_key)."'>";
         $html .= "<input type='radio' id='status_radio_$status_key$rand' name='_status'
                    $checked value='$status_key'>";
         $html .= "<label for='status_radio_$status_key$rand'>";
         $html .= Ticket::getStatusIcon($status_key) . "&nbsp;";
         $html .= $status_label;
         $html .= "</label>";
         $html .= "</li>";
      }
      $html .= "</ul></div>";

      $html.= "<script type='text/javascript'>$(function() {split_button();});</script>";
      return $html;
   }


   /**
    * Get correct Calendar: Entity or Sla
    *
    * @since 0.90.4
    *
   **/
   function getCalendar() {

      if (isset($this->fields['slas_id_ttr']) && $this->fields['slas_id_ttr'] > 0) {
         $sla = new SLA();
         if ($sla->getFromDB($this->fields['slas_id_ttr'])) {
            // not -1: calendar of the entity
            if ($sla->getField('calendars_id') >= 0) {
               return $sla->getField('calendars_id');
            }
         }
      }
      return parent::getCalendar();
   }


   /**
    * Select a field using standard system
    *
    * @since 9.1
    */
   function getValueToSelect($field_id_or_search_options, $name = '', $values = '', $options = []) {
      if (isset($field_id_or_search_options['linkfield'])) {
         switch ($field_id_or_search_options['linkfield']) {
            case 'requesttypes_id':
               if (isset($field_id_or_search_options['joinparams']) && Toolbox::in_array_recursive('glpi_itilfollowups', $field_id_or_search_options['joinparams'])) {
                  $opt = ['is_itilfollowup' => 1];
               } else {
                  $opt = [
                     'OR' => [
                        'is_mail_default' => 1,
                        'is_ticketheader' => 1
                     ]
                  ];
               }
               if ($field_id_or_search_options['linkfield']  == $name) {
                  $opt['is_active'] = 1;
               }
               if (isset( $options['condition'] )) {
                  if (!is_array($options['condition'])) {
                     $options['condition'] = [$options['condition']];
                  }
                  $opt = array_merge($opt, $options['condition']);
               }
               $options['condition'] = $opt;
               break;
         }
      }
      return parent::getValueToSelect($field_id_or_search_options, $name, $values, $options);
   }

   function showStatsDates() {
      $now                      = time();
      $date_creation            = strtotime($this->fields['date']);
      $date_takeintoaccount     = $date_creation + $this->fields['takeintoaccount_delay_stat'];
      if ($date_takeintoaccount == $date_creation) {
         $date_takeintoaccount  = 0;
      }
      $internal_time_to_own     = strtotime($this->fields['internal_time_to_own']);
      $time_to_own              = strtotime($this->fields['time_to_own']);
      $internal_time_to_resolve = strtotime($this->fields['internal_time_to_resolve']);
      $time_to_resolve          = strtotime($this->fields['time_to_resolve']);
      $solvedate                = strtotime($this->fields['solvedate']);
      $closedate                = strtotime($this->fields['closedate']);
      $goal_takeintoaccount     = ($date_takeintoaccount > 0 ? $date_takeintoaccount : $now);
      $goal_solvedate           = ($solvedate > 0 ? $solvedate : $now);

      $sla = new SLA;
      $ola = new OLA;
      $sla_tto_link =
      $sla_ttr_link =
      $ola_tto_link =
      $ola_ttr_link = "";

      if ($sla->getFromDB($this->fields['slas_id_tto'])) {
         $sla_tto_link = "<a href='".$sla->getLinkURL()."'>
                          <i class='fas fa-stopwatch slt' title='".$sla->getName()."'></i></a>";
      }
      if ($sla->getFromDB($this->fields['slas_id_ttr'])) {
         $sla_ttr_link = "<a href='".$sla->getLinkURL()."'>
                          <i class='fas fa-stopwatch slt' title='".$sla->getName()."'></i></a>";
      }
      if ($ola->getFromDB($this->fields['olas_id_tto'])) {
         $ola_tto_link = "<a href='".$ola->getLinkURL()."'>
                          <i class='fas fa-stopwatch slt' title='".$ola->getName()."'></i></a>";
      }
      if ($ola->getFromDB($this->fields['olas_id_ttr'])) {
         $ola_ttr_link = "<a href='".$ola->getLinkURL()."'>
                          <i class='fas fa-stopwatch slt' title='".$ola->getName()."'></i></a>";
      }

      $dates = [
         $date_creation.'_date_creation' => [
            'timestamp' => $date_creation,
            'label'     => __('Opening date'),
            'class'     => 'creation'
         ],
         $date_takeintoaccount.'_date_takeintoaccount' => [
            'timestamp' => $date_takeintoaccount,
            'label'     => __('Take into account'),
            'class'     => 'checked'
         ],
         $internal_time_to_own.'_internal_time_to_own' => [
            'timestamp' => $internal_time_to_own,
            'label'     => __('Internal time to own')." ".$ola_tto_link,
            'class'     => ($internal_time_to_own < $goal_takeintoaccount
                               ? 'passed' : '')." ".
                           ($date_takeintoaccount != ''
                               ? 'checked' : ''),
         ],
         $time_to_own.'_time_to_own' => [
            'timestamp' => $time_to_own,
            'label'     => __('Time to own')." ".$sla_tto_link,
            'class'     => ($time_to_own < $goal_takeintoaccount
                               ? 'passed' : '')." ".
                           ($date_takeintoaccount != ''
                               ? 'checked' : ''),
         ],
         $internal_time_to_resolve.'_internal_time_to_resolve' => [
            'timestamp' => $internal_time_to_resolve,
            'label'     => __('Internal time to resolve')." ".$ola_ttr_link,
            'class'     => ($internal_time_to_resolve < $goal_solvedate
                               ? 'passed' : '')." ".
                           ($solvedate != ''
                               ? 'checked' : '')
         ],
         $time_to_resolve.'_time_to_resolve' => [
            'timestamp' => $time_to_resolve,
            'label'     => __('Time to resolve')." ".$sla_ttr_link,
            'class'     => ($time_to_resolve < $goal_solvedate
                               ? 'passed' : '')." ".
                           ($solvedate != ''
                               ? 'checked' : '')
         ],
         $solvedate.'_solvedate' => [
            'timestamp' => $solvedate,
            'label'     => __('Resolution date'),
            'class'     => 'checked'
         ],
         $closedate.'_closedate' => [
            'timestamp' => $closedate,
            'label'     => __('Closing date'),
            'class'     => 'end'
         ]
      ];

      Html::showDatesTimelineGraph([
         'title'   => _n('Date', 'Dates', Session::getPluralNumber()),
         'dates'   => $dates,
         'add_now' => $this->getField('closedate') == ""
      ]);
   }

   /**
    * Fill input with values related to business rules.
    *
    * @param array $input
    *
    * @return void
    */
   private function fillInputForBusinessRules(array &$input) {
      global $DB;

      $entities_id = isset($input['entities_id'])
         ? $input['entities_id']
         : $this->fields['entities_id'];

      // If creation date is not set, then we're called during ticket creation
      $creation_date = !empty($this->fields['date_creation'])
         ? strtotime($this->fields['date_creation'])
         : time();

      // add calendars matching date creation (for business rules)
      $calendars = [];
      $ite_calendar = $DB->request([
         'SELECT' => ['id'],
         'FROM'   => Calendar::getTable(),
         'WHERE'  => getEntitiesRestrictCriteria('', '', $entities_id, true)
      ]);
      foreach ($ite_calendar as $calendar_data) {
         $calendar = new Calendar();
         $calendar->getFromDB($calendar_data['id']);
         if ($calendar->isAWorkingHour($creation_date)) {
            $calendars[] = $calendar_data['id'];
         }
      }
      if (count($calendars)) {
         $input['_date_creation_calendars_id'] = $calendars;
      }
   }

   /**
    * Build parent condition for search
    *
    * @param string $fieldID field used in the condition: tickets_id, items_id
    *
    * @return string
    */
   public static function buildCanViewCondition($fieldID) {

      $condition = "";
      $user   = Session::getLoginUserID();
      $groups = "'" . implode("','", $_SESSION['glpigroups']) . "'";

      $requester = CommonITILActor::REQUESTER;
      $assign    = CommonITILActor::ASSIGN;
      $obs       = CommonITILActor::OBSERVER;

      // Avoid empty IN ()
      if ($groups == "''") {
         $groups = '-1';
      }

      if (Session::haveRight("ticket", Ticket::READMY)) {
         // Add tickets where the users is requester, observer or recipient
         // Subquery for requester/observer user
         $user_query = "SELECT `tickets_id`
            FROM `glpi_tickets_users`
            WHERE `users_id` = '$user' AND type IN ($requester, $obs)";
         $condition .= "OR `$fieldID` IN ($user_query) ";

         // Subquery for recipient
         $recipient_query = "SELECT `id`
            FROM `glpi_tickets`
            WHERE `users_id_recipient` = '$user'";
         $condition .= "OR `$fieldID` IN ($recipient_query) ";
      }

      if (Session::haveRight("ticket", Ticket::READGROUP)) {
         // Add tickets where the users is in a requester or observer group
         // Subquery for requester/observer group
         $group_query = "SELECT `tickets_id`
            FROM `glpi_groups_tickets`
            WHERE `groups_id` IN ($groups) AND type IN ($requester, $obs)";
         $condition .= "OR `$fieldID` IN ($group_query) ";
      }

      if (Session::haveRightsOr("ticket", [
         Ticket::OWN,
         Ticket::READASSIGN
      ])) {
         // Add tickets where the users is assigned
         // Subquery for assigned user
         $user_query = "SELECT `tickets_id`
            FROM `glpi_tickets_users`
            WHERE `users_id` = '$user' AND type = $assign";
         $condition .= "OR `$fieldID` IN ($user_query) ";
      }

      if (Session::haveRight("ticket", Ticket::READASSIGN)) {
         // Add tickets where the users is part of an assigned group
         // Subquery for assigned group
         $group_query = "SELECT `tickets_id`
            FROM `glpi_groups_tickets`
            WHERE `groups_id` IN ($groups) AND type = $assign";
         $condition .= "OR `$fieldID` IN ($group_query) ";

         if (Session::haveRight('ticket', Ticket::ASSIGN)) {
            // Add new tickets
            $tickets_query = "SELECT `id`
               FROM `glpi_tickets`
               WHERE `status` = '" . CommonITILObject::INCOMING . "'";
            $condition .= "OR `$fieldID` IN ($tickets_query) ";
         }
      }

      if (Session::haveRightsOr('ticketvalidation', [
         TicketValidation::VALIDATEINCIDENT,
         TicketValidation::VALIDATEREQUEST
      ])) {
         // Add tickets where the users is the validator
         // Subquery for validator
         $validation_query = "SELECT `tickets_id`
            FROM `glpi_ticketvalidations`
            WHERE `users_id_validate` = '$user'";
         $condition .= "OR `$fieldID` IN ($validation_query) ";
      }

      return $condition;
   }

   public function getForbiddenSingleMassiveActions() {
      $excluded = parent::getForbiddenSingleMassiveActions();
      if (in_array($this->fields['status'], $this->getClosedStatusArray())) {
         //for closed Tickets, only keep transfer and unlock
         $excluded[] = 'TicketValidation:submit_validation';
         $excluded[] = 'Ticket:*';
      }
      return $excluded;
   }

   public function getWhitelistedSingleMassiveActions() {
      $whitelist = parent::getWhitelistedSingleMassiveActions();

      if (!in_array($this->fields['status'], $this->getClosedStatusArray())) {
         $whitelist[] = 'Item_Ticket:add_item';
      }

      return $whitelist;
   }

   /**
    * Merge one or more tickets into another existing ticket.
    * Optionally sub-items like followups, documents, and tasks can be copied into the merged ticket.
    * If a ticket cannot be merged, the process continues on to the next ticket.
    * @param int   $merge_target_id The ID of the ticket that the other tickets will be merged into
    * @param array $ticket_ids Array of IDs of tickets to merge into the ticket with ID $merge_target_id
    * @param array $params Array of parameters for the ticket merge.
    *       linktypes - Array of itemtypes that will be duplicated into the ticket $merge_target_id.
    *                By default, no sub-items are copied. Currently supported link types are ITILFollowup, Document, and TicketTask.
    *       full_transaction - Boolean value indicating if the entire merge must complete successfully, or if partial merges are allowed.
    *                By default, the full merge must complete. On failure, all database operations performed are rolled back.
    *       link_type - Integer indicating the link type of the merged tickets (See types in Ticket_Ticket).
    *                By default, this is Ticket_Ticket::SON_OF. To disable linking, use 0 or a negative value.
    *       append_actors - Array of actor types to migrate into the ticket $merge_ticket. See types in CommonITILActor.
    *                By default, all actors are added to the ticket.
    * @param array $status Reference array that this function uses to store the status of each ticket attempted to be merged.
    *                   id => status (0 = Success, 1 = Error, 2 = Insufficient Rights).
    * @return boolean  True if the merge was successful if "full_transaction" is true.
    *                      Otherwise, true if any ticket was successfully merged.
    * @since 9.5.0
    */
   public static function merge(int $merge_target_id, array $ticket_ids, array &$status, array $params = []) {
      global $DB;
      $p = [
         'linktypes'          => [],
         'full_transaction'   => true,
         'link_type'          => Ticket_Ticket::SON_OF,
         'append_actors'      => [CommonITILActor::REQUESTER, CommonITILActor::OBSERVER, CommonITILActor::ASSIGN]
      ];
      $p = array_replace($p, $params);
      $ticket = new Ticket();
      $merge_target = new Ticket();
      $merge_target->getFromDB($merge_target_id);
      $fup = new ITILFollowup();
      $document_item = new Document_Item();
      $task = new TicketTask();

      if (!$merge_target->canAddFollowups()) {
         foreach ($ticket_ids as $id) {
            Toolbox::logError(sprintf(__('Not enough rights to merge tickets %d and %d'), $merge_target_id, $id));
            // Set status = 2 : Rights issue
            $status[$id] = 2;
         }
         return false;
      }
      $in_transaction = $DB->inTransaction();

      if ($p['full_transaction'] && !$in_transaction) {
         $DB->beginTransaction();
      }
      foreach ($ticket_ids as $id) {
         try {
            if (!$p['full_transaction'] && !$in_transaction) {
               $DB->beginTransaction();
            }
            if ($merge_target->canUpdateItem() && $ticket->can($id, DELETE)) {
               if (!$ticket->getFromDB($id)) {
                  //Cannot retrieve ticket. Abort/fail the merge
                  throw new \RuntimeException(sprintf(__('Failed to load ticket %d'), $id), 1);
               }
               //Build followup from the original ticket
               $input = [
                  'itemtype'        => 'Ticket',
                  'items_id'        => $merge_target_id,
                  'content'         => $DB->escape($ticket->fields['name']."\n\n".$ticket->fields['content']),
                  'users_id'        => $ticket->fields['users_id_recipient'],
                  'date_creation'   => $ticket->fields['date_creation'],
                  'date_mod'        => $ticket->fields['date_mod'],
                  'date'            => $ticket->fields['date_creation'],
                  'sourceitems_id'  => $ticket->getID()
               ];
               if (!$fup->add($input)) {
                  //Cannot add followup. Abort/fail the merge
                  throw new \RuntimeException(sprintf(__('Failed to add followup to ticket %d'), $merge_target_id), 1);
               }
               if (in_array('ITILFollowup', $p['linktypes'])) {
                  // Copy any followups to the ticket
                  $tomerge = $fup->find([
                     'items_id' => $id,
                     'itemtype' => 'Ticket'
                  ]);
                  foreach ($tomerge as $fup2) {
                     $fup2['items_id'] = $merge_target_id;
                     $fup2['sourceitems_id'] = $id;
                     $fup2['content'] = $DB->escape($fup2['content']);
                     unset($fup2['id']);
                     if (!$fup->add($fup2)) {
                        // Cannot add followup. Abort/fail the merge
                        throw new \RuntimeException(sprintf(__('Failed to add followup to ticket %d'), $merge_target_id), 1);
                     }
                  }
               }
               if (in_array('TicketTask', $p['linktypes'])) {
                  $merge_tmp = ['tickets_id' => $merge_target_id];
                  if (!$task->can(-1, CREATE, $merge_tmp)) {
                     throw new \RuntimeException(sprintf(__('Not enough rights to merge tickets %d and %d'), $merge_target_id, $id), 2);
                  }
                  // Copy any tasks to the ticket
                  $tomerge = $task->find([
                     'tickets_id' => $id
                  ]);
                  foreach ($tomerge as $task2) {
                     $task2['tickets_id'] = $merge_target_id;
                     $task2['sourceitems_id'] = $id;
                     $task2['content'] = $DB->escape($task2['content']);
                     unset($task2['id']);
                     unset($task2['uuid']);
                     if (!$task->add($task2)) {
                        //Cannot add followup. Abort/fail the merge
                        throw new \RuntimeException(sprintf(__('Failed to add task to ticket %d'), $merge_target_id), 1);
                     }
                  }
               }
               if (in_array('Document', $p['linktypes'])) {
                  if (!$merge_target->canAddItem('Document')) {
                     throw new \RuntimeException(sprintf(__('Not enough rights to merge tickets %d and %d'), $merge_target_id, $id), 2);
                  }
                  $tomerge = $document_item->find([
                     'itemtype' => 'Ticket',
                     'items_id' => $id,
                     'NOT' => [
                        'documents_id' => new \QuerySubQuery([
                           'SELECT' => 'documents_id',
                           'FROM'   => $document_item->getTable(),
                           'WHERE'  => [
                              'itemtype' => 'Ticket',
                              'items_id' => $merge_target_id
                           ]
                        ])
                     ]
                  ]);

                  foreach ($tomerge as $document_item2) {
                     $document_item2['items_id'] = $merge_target_id;
                     unset($document_item2['id']);
                     if (!$document_item->add($document_item2)) {
                        //Cannot add document. Abort/fail the merge
                        throw new \RuntimeException(sprintf(__('Failed to add document to ticket %d'), $merge_target_id), 1);
                     }
                  }
               }
               if ($p['link_type'] > 0 && $p['link_type'] < 5) {
                  //Add relation (this is parent of merge target)
                  $tt = new Ticket_Ticket();
                  $linkparams = [
                     'link'         => $p['link_type'],
                     'tickets_id_1' => $id,
                     'tickets_id_2' => $merge_target_id
                  ];
                  $tt->deleteByCriteria([
                     'OR' => [
                        [
                           'AND' => [
                              'tickets_id_1' => $merge_target_id,
                              'tickets_id_2' => $id
                           ]
                        ],
                        [
                           'AND' => [
                              'tickets_id_2' => $merge_target_id,
                              'tickets_id_1' => $id
                           ]
                        ]
                     ]
                  ]);
                  if (!$tt->add($linkparams)) {
                     //Cannot link tickets. Abort/fail the merge
                     throw new \RuntimeException(sprintf(__('Failed to link tickets %d and %d'), $merge_target_id, $id), 1);
                  }
               }
               if (isset($p['append_actors'])) {
                  $tu = new Ticket_User();
                  $existing_users = $tu->find(['tickets_id' => $merge_target_id]);
                  $gt = new Group_Ticket();
                  $existing_groups = $gt->find(['tickets_id' => $merge_target_id]);
                  $st = new Supplier_Ticket();
                  $existing_suppliers = $st->find(['tickets_id' => $merge_target_id]);

                  foreach ($p['append_actors'] as $actor_type) {
                     $users = $tu->find([
                        'tickets_id' => $id,
                        'type' => $actor_type
                     ]);
                     $groups = $gt->find([
                        'tickets_id' => $id,
                        'type' => $actor_type
                     ]);
                     $suppliers = $st->find([
                        'tickets_id' => $id,
                        'type' => $actor_type
                     ]);
                     $users = array_filter($users, function($user) use ($existing_users) {
                        foreach ($existing_users as $existing_user) {
                           if ($existing_user['users_id'] > 0 && $user['users_id'] > 0 &&
                              $existing_user['users_id'] === $user['users_id'] &&
                              $existing_user['type'] === $user['type']) {
                              // Internal users
                              return false;
                           } else if ($existing_user['users_id'] == 0 && $user['users_id'] == 0 &&
                              $existing_user['alternative_email'] === $user['alternative_email'] &&
                              $existing_user['type'] === $user['type']) {
                              // External users
                              return false;
                           }
                        }
                        return true;
                     });
                     $groups = array_filter($groups, function($group) use ($existing_groups) {
                        foreach ($existing_groups as $existing_group) {
                           if ($existing_group['groups_id'] === $group['groups_id'] &&
                              $existing_group['type'] === $group['type']) {
                              return false;
                           }
                        }
                        return true;
                     });
                     $suppliers = array_filter($suppliers, function($supplier) use ($existing_suppliers) {
                        foreach ($existing_suppliers as $existing_supplier) {
                           if ($existing_supplier['suppliers_id'] > 0 && $supplier['suppliers_id'] > 0 &&
                              $existing_supplier['suppliers_id'] === $supplier['suppliers_id'] &&
                              $existing_supplier['type'] === $supplier['type']) {
                              // Internal suppliers
                              return false;
                           } else if ($existing_supplier['suppliers_id'] == 0 && $supplier['suppliers_id'] == 0 &&
                              $existing_supplier['alternative_email'] === $supplier['alternative_email'] &&
                              $existing_supplier['type'] === $supplier['type']) {
                              // External suppliers
                              return false;
                           }
                        }
                        return true;
                     });
                     foreach ($users as $user) {
                        $user['tickets_id'] = $merge_target_id;
                        unset($user['id']);
                        $tu->add($user);
                     }
                     foreach ($groups as $group) {
                        $group['tickets_id'] = $merge_target_id;
                        unset($group['id']);
                        $gt->add($group);
                     }
                     foreach ($suppliers as $supplier) {
                        $supplier['tickets_id'] = $merge_target_id;
                        unset($supplier['id']);
                        $st->add($supplier);
                     }
                  }
               }
               //Delete this ticket
               if (!$ticket->delete(['id' => $id, '_disablenotif' => true])) {
                  throw new \RuntimeException(sprintf(__('Failed to delete ticket %d'), $id), 1);
               }
               if (!$p['full_transaction'] && !$in_transaction) {
                  $DB->commit();
               }
               $status[$id] = 0;
               Event::log($merge_target_id, 'ticket', 4, 'tracking',
                  sprintf(__('%s merges ticket %s into %s'), $_SESSION['glpiname'],
                  $id, $merge_target_id));
            } else {
               throw new \RuntimeException(sprintf(__('Not enough rights to merge tickets %d and %d'), $merge_target_id, $id), 2);
            }
         } catch (\RuntimeException $e) {
            if ($e->getCode() < 1 || $e->getCode() > 2) {
               $status[$id] = 1;
            } else {
               $status[$id] = $e->getCode();
            }
            Toolbox::logError($e->getMessage());
            if (!$in_transaction) {
               $DB->rollBack();
            }
            if ($p['full_transaction']) {
               return false;
            }
         }
      }
      if ($p['full_transaction'] && !$in_transaction) {
         $DB->commit();
      }
      return true;
   }


   /**
    * Check profiles and detect where criteria from existing rights
    *
    * @return array criteria to apply to an iterator query
    */
   public static function getCriteriaFromProfile() {
      if (Session::haveRight("ticket", Ticket::READALL)) {
         return [];
      }

      $users  = false;
      $groups = false;
      $valid  = false;

      $where_profile = [];
      if (Session::haveRight("ticket", Ticket::READMY)) {
         $users = true;
         $where_profile[] = [
            'OR' => [
               [
                  'tu.users_id' => Session::getLoginUserID(),
                  'OR' => [
                     ['tu.type' => CommonITILActor::REQUESTER],
                     ['tu.type' => CommonITILActor::OBSERVER],
                  ]
               ],
               "glpi_tickets.users_id_recipient" => Session::getLoginUserID()
            ]
         ];
      }

      if (Session::haveRight("ticket", Ticket::READGROUP) && count($_SESSION['glpigroups'])) {
         $groups = true;
         $where_profile[] = [
            'gt.groups_id' => $_SESSION['glpigroups'],
            'OR' => [
               ['gt.type' => CommonITILActor::REQUESTER],
               ['gt.type' => CommonITILActor::OBSERVER],
            ]
         ];
      }

      if (Session::haveRight("ticket", Ticket::OWN)) {
         $users = true;
         $where_profile[] = [
            'tu.users_id' => Session::getLoginUserID(),
            'tu.type'     => CommonITILActor::ASSIGN,
         ];
      }

      if (Session::haveRight("ticket", Ticket::READASSIGN)) {
         $users = true;
         $temp = [
            'OR' => [
               [
                  'tu.users_id' => Session::getLoginUserID(),
                  'tu.type'     => CommonITILActor::ASSIGN,
               ]
            ]
         ];

         if (count($_SESSION['glpigroups'])) {
            $groups = true;
            $temp['OR'][] = [
               'gt.groups_id' => $_SESSION['glpigroups'],
               'gt.type'      => CommonITILActor::ASSIGN
            ];
         }

         if (Session::haveRight('ticket', Ticket::ASSIGN)) {
            $temp['OR'][] = [
               ['glpi_tickets.status' => CommonITILObject::INCOMING]
            ];
         }

         $where_profile[] = $temp;
      }

      if (Session::haveRightsOr('ticketvalidation', [
         TicketValidation::VALIDATEINCIDENT,
         TicketValidation::VALIDATEREQUEST
      ])) {
         $valid = true;
         $where_profile[] = [
            'tv.users_id_validate' => Session::getLoginUserID(),
         ];
      }

      // joins needed tables
      $join_profile  = [];
      if ($users) {
         $join_profile['glpi_tickets_users AS tu'] = [
            'ON' => [
               'tu'           => 'tickets_id',
               'glpi_tickets' => 'id'
            ]
         ];
      }
      if ($groups) {
         $join_profile['glpi_groups_tickets AS gt'] = [
            'ON' => [
               'gt'           => 'tickets_id',
               'glpi_tickets' => 'id'
            ]
         ];
      }
      if ($valid) {
         $join_profile['glpi_ticketvalidations as tv'] = [
            'ON' => [
               'tv'           => 'tickets_id',
               'glpi_tickets' => 'id'
            ]
         ];
      }

      $criteria = [];
      if (count($where_profile)) {
         $criteria['WHERE'] = [['OR' => $where_profile]];
      }
      if (count($join_profile)) {
         $criteria['LEFT JOIN'] = $join_profile;
      }

      return $criteria;

   }


   static function getIcon() {
      return "fas fa-exclamation-circle";
   }

   public static function getItemLinkClass(): string {
      return Item_Ticket::class;
   }
}

haha - 2025