<?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;

include ('../inc/includes.php');

Session::checkLoginUser();
$track = new Ticket();

if (!isset($_GET['id'])) {
   $_GET['id'] = "";
}

$date_fields = [
   'date',
   'due_date',
   'time_to_own'
];

foreach ($date_fields as $date_field) {
   //handle not clean dates...
   if (isset($_POST["_$date_field"])
      && isset($_POST[$date_field])
      && trim($_POST[$date_field]) == ''
      && trim($_POST["_$date_field"]) != '') {
      $_POST[$date_field] = $_POST["_$date_field"];
   }
}

if (isset($_POST["add"])) {
   $track->check(-1, CREATE, $_POST);

   if ($track->add($_POST)) {
      if ($_SESSION['glpibackcreated']) {
         Html::redirect($track->getLinkURL());
      }
   }
   Html::back();

} else if (isset($_POST['update'])) {
   $track->check($_POST['id'], UPDATE);
   $track->update($_POST);

   if (isset($_POST['kb_linked_id'])) {
      //if solution should be linked to selected KB entry
      $params = [
         'knowbaseitems_id' => $_POST['kb_linked_id'],
         'itemtype'         => $track->getType(),
         'items_id'         => $track->getID()
      ];
      $existing = $DB->request(
         'glpi_knowbaseitems_items',
         $params
      );
      if ($existing->numrows() == 0) {
         $kb_item_item = new KnowbaseItem_Item();
         $kb_item_item->add($params);
      }
   }

   Event::log($_POST["id"], "ticket", 4, "tracking",
              //TRANS: %s is the user login
              sprintf(__('%s updates an item'), $_SESSION["glpiname"]));


   if ($track->can($_POST["id"], READ)) {
      $toadd = '';
      // Copy solution to KB redirect to KB
      if (isset($_POST['_sol_to_kb']) && $_POST['_sol_to_kb']) {
         $toadd = "&_sol_to_kb=1";
      }
      Html::redirect(Ticket::getFormURLWithID($_POST["id"]).$toadd);
   }
   Session::addMessageAfterRedirect(__('You have been redirected because you no longer have access to this ticket'),
                                    true, ERROR);
   Html::redirect($CFG_GLPI["root_doc"]."/front/ticket.php");

} else if (isset($_POST['delete'])) {
   $track->check($_POST['id'], DELETE);
   if ($track->delete($_POST)) {
      Event::log($_POST["id"], "ticket", 4, "tracking",
                 //TRANS: %s is the user login
                 sprintf(__('%s deletes an item'), $_SESSION["glpiname"]));

   }
   $track->redirectToList();

} else if (isset($_POST['purge'])) {
   $track->check($_POST['id'], PURGE);
   if ($track->delete($_POST, 1)) {
      Event::log($_POST["id"], "ticket", 4, "tracking",
                 //TRANS: %s is the user login
                 sprintf(__('%s purges an item'), $_SESSION["glpiname"]));
   }
   $track->redirectToList();

} else if (isset($_POST["restore"])) {
   $track->check($_POST['id'], DELETE);
   if ($track->restore($_POST)) {
      Event::log($_POST["id"], "ticket", 4, "tracking",
                 //TRANS: %s is the user login
                 sprintf(__('%s restores an item'), $_SESSION["glpiname"]));
   }
   $track->redirectToList();

} else if (isset($_POST['sla_delete'])) {
   $track->check($_POST["id"], UPDATE);

   $track->deleteLevelAgreement("SLA", $_POST["id"], $_POST['type'], $_POST['delete_date']);
   Event::log($_POST["id"], "ticket", 4, "tracking",
              //TRANS: %s is the user login
              sprintf(__('%s updates an item'), $_SESSION["glpiname"]));

   Html::redirect(Ticket::getFormURLWithID($_POST["id"]));

} else if (isset($_POST['ola_delete'])) {
   $track->check($_POST["id"], UPDATE);

   $track->deleteLevelAgreement("OLA", $_POST["id"], $_POST['type'], $_POST['delete_date']);
   Event::log($_POST["id"], "ticket", 4, "tracking",
              //TRANS: %s is the user login
              sprintf(__('%s updates an item'), $_SESSION["glpiname"]));

   Html::redirect(Ticket::getFormURLWithID($_POST["id"]));

} else if (isset($_POST['addme_observer'])) {
   $track->check($_POST['tickets_id'], READ);
   $input = array_merge(Toolbox::addslashes_deep($track->fields), [
      'id' => $_POST['tickets_id'],
      '_itil_observer' => [
         '_type' => "user",
         'users_id' => Session::getLoginUserID(),
         'use_notification' => 1,
      ]
   ]);
   $track->update($input);
   Event::log($_POST['tickets_id'], "ticket", 4, "tracking",
              //TRANS: %s is the user login
              sprintf(__('%s adds an actor'), $_SESSION["glpiname"]));
   Html::redirect(Ticket::getFormURLWithID($_POST['tickets_id']));

} else if (isset($_POST['addme_assign'])) {
   $track->check($_POST['tickets_id'], READ);
   $input = array_merge(Toolbox::addslashes_deep($track->fields), [
      'id' => $_POST['tickets_id'],
      '_itil_assign' => [
         '_type' => "user",
         'users_id' => Session::getLoginUserID(),
         'use_notification' => 1,
      ]
   ]);
   $track->update($input);
   Event::log($_POST['tickets_id'], "ticket", 4, "tracking",
              //TRANS: %s is the user login
              sprintf(__('%s adds an actor'), $_SESSION["glpiname"]));
   Html::redirect(Ticket::getFormURLWithID($_POST['tickets_id']));
} else if (isset($_REQUEST['delete_document'])) {
   $track->getFromDB((int)$_REQUEST['tickets_id']);
   $doc = new Document();
   $doc->getFromDB(intval($_REQUEST['documents_id']));
   if ($doc->can($doc->getID(), UPDATE)) {
      $document_item = new Document_Item;
      $found_document_items = $document_item->find([
         $track->getAssociatedDocumentsCriteria(),
         'documents_id' => $doc->getID()
      ]);
      foreach ($found_document_items  as $item) {
         $document_item->delete(Toolbox::addslashes_deep($item), true);
      }
   }
   Html::back();
}

if (isset($_GET["id"]) && ($_GET["id"] > 0)) {
   if (Session::getCurrentInterface() == "helpdesk") {
      Html::helpHeader(Ticket::getTypeName(Session::getPluralNumber()), '', $_SESSION["glpiname"]);
   } else {
      Html::header(Ticket::getTypeName(Session::getPluralNumber()), '', "helpdesk", "ticket");
   }

   $available_options = ['load_kb_sol', '_openfollowup'];
   $options           = [];
   foreach ($available_options as $key) {
      if (isset($_GET[$key])) {
         $options[$key] = $_GET[$key];
      }
   }


   $options['id'] = $_GET["id"];
   $track->display($options);

   if (isset($_GET['_sol_to_kb'])) {
      Ajax::createIframeModalWindow('savetokb',
                                    KnowbaseItem::getFormURL().
                                     "?_in_modal=1&item_itemtype=Ticket&item_items_id=".
                                     $_GET["id"],
                                    ['title'         => __('Save solution to the knowledge base'),
                                          'reloadonclose' => false]);
      echo Html::scriptBlock('$(function() {' .Html::jsGetElementbyID('savetokb').".dialog('open'); });");
   }

} else {
   if (Session::getCurrentInterface() != 'central') {
      Html::redirect($CFG_GLPI["root_doc"]."/front/helpdesk.public.php?create_ticket=1");
      die;
   }

   Html::header(__('New ticket'), '', "helpdesk", "ticket");
   unset($_REQUEST['id']);
   unset($_GET['id']);
   unset($_POST['id']);

   // alternative email must be empty for create ticket
   unset($_REQUEST['_users_id_requester_notif']['alternative_email']);
   unset($_REQUEST['_users_id_observer_notif']['alternative_email']);
   unset($_REQUEST['_users_id_assign_notif']['alternative_email']);
   unset($_REQUEST['_suppliers_id_assign_notif']['alternative_email']);
   // Add a ticket from item : format data
   if (isset($_REQUEST['_add_fromitem'])
       && isset($_REQUEST['itemtype'])
       && isset($_REQUEST['items_id'])) {
      $_REQUEST['items_id'] = [$_REQUEST['itemtype'] => [$_REQUEST['items_id']]];
   }
   $track->display($_REQUEST);
}


if (Session::getCurrentInterface() == "helpdesk") {
   Html::helpFooter();
} else {
   Html::footer();
}