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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/>.
 * ---------------------------------------------------------------------
 */

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

/**
 *  Stat class
**/
class Stat extends CommonGLPI {

   static $rightname = 'statistic';


   static function getTypeName($nb = 0) {
      return __('Statistics');
   }


   /**
    * @see CommonGLPI::getMenuShorcut()
    *
    * @since 0.85
   **/
   static function getMenuShorcut() {
      return 'a';
   }


   /**
    * @param $itemtype
    * @param $date1
    * @param $date2
    * @param $type
    * @param $parent    (default 0)
   **/
   static function getItems($itemtype, $date1, $date2, $type, $parent = 0) {
      global $DB;

      if (!$item = getItemForItemtype($itemtype)) {
         return;
      }
      $val  = [];

      switch ($type) {
         case "technicien" :
            $val = $item->getUsedTechBetween($date1, $date2);
            break;

         case "technicien_followup" :
            $val = $item->getUsedTechTaskBetween($date1, $date2);
            break;

         case "suppliers_id_assign" :
            $val = $item->getUsedSupplierBetween($date1, $date2);
            break;

         case "user" :
            $val = $item->getUsedAuthorBetween($date1, $date2);
            break;

         case "users_id_recipient" :
            $val = $item->getUsedRecipientBetween($date1, $date2);
            break;

         case 'group_tree' :
         case 'groups_tree_assign' :
            // Get all groups
            $is_field = ($type == 'group_tree') ? 'is_requester' : 'is_assign';
            $iterator = $DB->request([
               'SELECT' => ['id', 'name'],
               'FROM'   => 'glpi_groups',
               'WHERE'  => [
                  'OR'  => [
                     'id'        => $parent,
                     'groups_id' => $parent
                  ],
                  $is_field   => 1
               ] + getEntitiesRestrictCriteria("glpi_groups", '', '', true),
               'ORDER'  => 'completename'
            ]);

            $val    = [];
            while ($line = $iterator->next()) {
               $val[] = [
                  'id'     => $line['id'],
                  'link'   => $line['name']
               ];
            }
            break;

         case "itilcategories_tree" :
         case "itilcategories_id" :
            $is_tree = $type == 'itilcategories_tree';
            // Get all ticket categories for tree merge management
            $criteria = [
               'SELECT'    => [
                  'glpi_itilcategories.id',
                  'glpi_itilcategories.' . ($is_tree ? 'name' : 'completename') . ' AS category'
               ],
               'DISTINCT'  => true,
               'FROM'      => 'glpi_itilcategories',
               'WHERE'     => getEntitiesRestrictCriteria('glpi_itilcategories', '', '', true),
               'ORDERBY'   => 'completename'
            ];

            if ($is_tree) {
               $criteria['WHERE']['OR'] = [
                  'id'                 => $parent,
                  'itilcategories_id'  => $parent
               ];
            }

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

            $val    = [];
            while ($line = $iterator->next()) {
               $val[] = [
                  'id'     => $line['id'],
                  'link'   => $line['category']
               ];
            }
            break;

         case 'locations_tree' :
         case 'locations_id' :
            $is_tree = $type == 'locations_tree';
            // Get all locations for tree merge management
            $criteria = [
               'SELECT'    => [
                  'glpi_locations.id',
                  'glpi_locations.' . ($is_tree ? 'name' : 'completename') . ' AS location'
               ],
               'DISTINCT'  => true,
               'FROM'      => 'glpi_locations',
               'WHERE'     => getEntitiesRestrictCriteria('glpi_locations', '', '', true),
               'ORDERBY'   => 'completename'
            ];

            if ($is_tree) {
               $criteria['WHERE']['OR'] = [
                  'id'           => $parent,
                  'locations_id' => $parent
               ];
            }

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

            $val    = [];
            while ($line = $iterator->next()) {
               $val[] = [
                  'id'     => $line['id'],
                  'link'   => $line['location']
               ];
            }
            break;

         case "type" :
            $types = $item->getTypes();
            $val   = [];
            foreach ($types as $id => $v) {
               $tmp['id']   = $id;
               $tmp['link'] = $v;
               $val[]       = $tmp;
            }
            break;

         case "group" :
            $val = $item->getUsedGroupBetween($date1, $date2);
            break;

         case "groups_id_assign" :
            $val = $item->getUsedAssignGroupBetween($date1, $date2);
            break;

         case "priority" :
            $val = $item->getUsedPriorityBetween($date1, $date2);
            break;

         case "urgency" :
            $val = $item->getUsedUrgencyBetween($date1, $date2);
            break;

         case "impact" :
            $val = $item->getUsedImpactBetween($date1, $date2);
            break;

         case "requesttypes_id" :
            $val = $item->getUsedRequestTypeBetween($date1, $date2);
            break;

         case "solutiontypes_id" :
            $val = $item->getUsedSolutionTypeBetween($date1, $date2);
            break;

         case "usertitles_id" :
            $val = $item->getUsedUserTitleOrTypeBetween($date1, $date2, true);
            break;

         case "usercategories_id" :
            $val = $item->getUsedUserTitleOrTypeBetween($date1, $date2, false);
            break;

         // DEVICE CASE
         default :
            if (($item = getItemForItemtype($type))
                && ($item instanceof CommonDevice)) {
               $device_table = $item->getTable();

               //select devices IDs (table row)
               $iterator = $DB->request([
                  'SELECT' => [
                     'id',
                     'designation'
                  ],
                  'FROM'   => $device_table,
                  'ORDER'  => 'designation'
               ]);

               while ($line = $iterator->next()) {
                  $val[] = [
                     'id'     => $line['id'],
                     'link'   => $line['designation']
                  ];
               }
            } else {
               // Dropdown case for computers
               $field = "name";
               $table = getTableForItemType($type);
               if (($item = getItemForItemtype($type))
                   && ($item instanceof CommonTreeDropdown)) {
                  $field = "completename";
               }

               $criteria = [
                  'FROM'   => $table,
                  'ORDER'  => $field
               ];

               if ($item->isEntityAssign()) {
                  $criteria['ORDER'] = ['entities_id', $field];
                  $criteria['WHERE'] = getEntitiesRestrictCriteria($table);
               }

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

               $val    = [];
               while ($line = $iterator->next()) {
                  $val[] = [
                     'id'     => $line['id'],
                     'link'   => $line[$field]
                  ];
               }
            }
      }
      return $val;
   }


   /**
    * @param $itemtype
    * @param $type
    * @param $date1
    * @param $date2
    * @param $start
    * @param $value     array
    * @param $value2             (default '')
   **/
   static function getData($itemtype, $type, $date1, $date2, $start, array $value, $value2 = "") {

      $export_data = [];

      if (is_array($value)) {
         $end_display = $start+$_SESSION['glpilist_limit'];
         $numrows     = count($value);

         for ($i=$start; $i< $numrows && $i<($end_display); $i++) {
            //le nombre d'intervention - the number of intervention
            $opened    = self::constructEntryValues($itemtype, "inter_total", $date1, $date2,
                                                    $type, $value[$i]["id"], $value2);
            $nb_opened = array_sum($opened);
            $export_data['opened'][$value[$i]['link']] = $nb_opened;

            //le nombre d'intervention resolues - the number of solved intervention
            $solved    = self::constructEntryValues($itemtype, "inter_solved", $date1, $date2,
                                                    $type, $value[$i]["id"], $value2);
            $nb_solved = array_sum($solved);
            $export_data['solved'][$value[$i]['link']] = $nb_solved;

            //le nombre d'intervention resolues - the number of solved late intervention
            $late      = self::constructEntryValues($itemtype, "inter_solved_late", $date1, $date2,
                                                  $type, $value[$i]["id"], $value2);
            $nb_late   = array_sum($late);
            $export_data['late'][$value[$i]['link']] = $nb_late;

            //le nombre d'intervention closes - the number of closed intervention
            $closed    = self::constructEntryValues($itemtype, "inter_closed", $date1, $date2,
                                                    $type, $value[$i]["id"], $value2);
            $nb_closed = array_sum($closed);
            $export_data['closed'][$value[$i]['link']] = $nb_closed;

            if ($itemtype == 'Ticket') {
               //open satisfaction
               $opensatisfaction    = self::constructEntryValues($itemtype, "inter_opensatisfaction",
                                                                 $date1, $date2, $type,
                                                                 $value[$i]["id"], $value2);
               $nb_opensatisfaction = array_sum($opensatisfaction);
               $export_data['opensatisfaction'][$value[$i]['link']] = $nb_opensatisfaction;
            }

         }
      }
      return $export_data;
   }


   /**
    * @param $itemtype
    * @param $type
    * @param $date1
    * @param $date2
    * @param $start
    * @param $value     array
    * @param $value2          (default '')
    *
    * @since 0.85 (before show with same parameters)
   **/
   static function showTable($itemtype, $type, $date1, $date2, $start, array $value, $value2 = "") {
      global $CFG_GLPI;

      // Set display type for export if define
      $output_type = Search::HTML_OUTPUT;
      if (isset($_GET["display_type"])) {
         $output_type = $_GET["display_type"];
      }

      if ($output_type == Search::HTML_OUTPUT) { // HTML display
         echo "<div class ='center'>";
      }

      if (is_array($value)) {
         $end_display = $start+$_SESSION['glpilist_limit'];
         $numrows     = count($value);

         if (isset($_GET['export_all'])) {
            $start       = 0;
            $end_display = $numrows;
         }

         $nbcols = 8;
         if ($output_type != Search::HTML_OUTPUT) { // not HTML display
            $nbcols--;
         }

         echo Search::showHeader($output_type, $end_display-$start+1, $nbcols);
         $subname = '';
         switch ($type) {
            case 'group_tree' :
            case 'groups_tree_assign' :
               $subname = Dropdown::getDropdownName('glpi_groups', $value2);
               break;

            case 'itilcategories_tree' :
               $subname = Dropdown::getDropdownName('glpi_itilcategories', $value2);
               break;

            case 'locations_tree' :
               $subname = Dropdown::getDropdownName('glpi_locations', $value2);
               break;
         }

         if ($output_type == Search::HTML_OUTPUT) { // HTML display
            echo Search::showNewLine($output_type);
            $header_num = 1;

            if (($output_type == Search::HTML_OUTPUT)
                && strstr($type, '_tree')
                && $value2) {
               // HTML display
               $link = $_SERVER['PHP_SELF'].
                       "?date1=$date1&amp;date2=$date2&amp;itemtype=$itemtype&amp;type=$type".
                       "&amp;value2=0";
               $link = "<a href='$link'>".__('Back')."</a>";
               echo Search::showHeaderItem($output_type, $link, $header_num);
            } else {
               echo Search::showHeaderItem($output_type, "&nbsp;", $header_num);
            }
            echo Search::showHeaderItem($output_type, '', $header_num);

            echo Search::showHeaderItem($output_type, _x('quantity', 'Number'),
                                        $header_num, '', 0, '', "colspan='4'");
            if ($itemtype =='Ticket') {
               echo Search::showHeaderItem($output_type, __('Satisfaction'), $header_num, '',
                                           0, '', "colspan='3'");
            }
            echo Search::showHeaderItem($output_type, __('Average time'), $header_num, '', 0, '',
                                        $itemtype =='Ticket'?"colspan='3'":"colspan='2'");
            echo Search::showHeaderItem($output_type,
                                        __('Real duration of treatment of the ticket'),
                                        $header_num, '', 0, '', "colspan='2'");
         }

         echo Search::showNewLine($output_type);
         $header_num    = 1;
         echo Search::showHeaderItem($output_type, $subname, $header_num);

         if ($output_type == Search::HTML_OUTPUT) { // HTML display
            echo Search::showHeaderItem($output_type, "", $header_num);
         }
         if ($output_type != Search::HTML_OUTPUT) {
            echo Search::showHeaderItem($output_type, __('Number of opened tickets'), $header_num);
            echo Search::showHeaderItem($output_type, __('Number of solved tickets'), $header_num);
            echo Search::showHeaderItem($output_type, __('Number of late tickets'), $header_num);
            echo Search::showHeaderItem($output_type, __('Number of closed tickets'), $header_num);
         } else {
            echo Search::showHeaderItem($output_type, _nx('ticket', 'Opened', 'Opened', Session::getPluralNumber()), $header_num);
            echo Search::showHeaderItem($output_type, _nx('ticket', 'Solved', 'Solved', Session::getPluralNumber()),
                                        $header_num);
            echo Search::showHeaderItem($output_type, __('Late'), $header_num);
            echo Search::showHeaderItem($output_type, __('Closed'), $header_num);
         }

         if ($itemtype =='Ticket') {
            if ($output_type != Search::HTML_OUTPUT) {
               echo Search::showHeaderItem($output_type, __('Number of opened satisfaction survey'),
                                           $header_num);
               echo Search::showHeaderItem($output_type,
                                           __('Number of answered satisfaction survey'),
                                           $header_num);
               echo Search::showHeaderItem($output_type, __('Average satisfaction'),
                                           $header_num);

            } else {
               echo Search::showHeaderItem($output_type, _nx('survey', 'Opened', 'Opened', Session::getPluralNumber()),
                                           $header_num);
               echo Search::showHeaderItem($output_type, _nx('survey', 'Answered', 'Answered', Session::getPluralNumber()),
                                           $header_num);
               echo Search::showHeaderItem($output_type, __('Average'), $header_num);
            }
         }

         if ($output_type != Search::HTML_OUTPUT) {
            if ($itemtype =='Ticket') {
               echo Search::showHeaderItem($output_type, __('Average time to take into account'),
                                          $header_num);
            }
            echo Search::showHeaderItem($output_type, __('Average time to resolution'), $header_num);
            echo Search::showHeaderItem($output_type, __('Average time to closure'), $header_num);
         } else {
            if ($itemtype =='Ticket') {
               echo Search::showHeaderItem($output_type, __('Take into account'), $header_num);
            }
            echo Search::showHeaderItem($output_type, __('Resolution'), $header_num);
            echo Search::showHeaderItem($output_type, __('Closure'), $header_num);
         }

         if ($output_type != Search::HTML_OUTPUT) {
            echo Search::showHeaderItem($output_type,
                                        __('Average real duration of treatment of the ticket'),
                                        $header_num);
            echo Search::showHeaderItem($output_type,
                                        __('Total real duration of treatment of the ticket'),
                                        $header_num);
         } else {
            echo Search::showHeaderItem($output_type, __('Average'), $header_num);
            echo Search::showHeaderItem($output_type, __('Total duration'), $header_num);
         }
         // End Line for column headers
         echo Search::showEndLine($output_type);
         $row_num = 1;

         for ($i=$start; ($i<$numrows) && ($i<$end_display); $i++) {
            $row_num  ++;
            $item_num = 1;
            echo Search::showNewLine($output_type, $i%2);
            if (($output_type == Search::HTML_OUTPUT)
                && strstr($type, '_tree')
                && ($value[$i]['id'] != $value2)) {
               // HTML display
               $link = $_SERVER['PHP_SELF'].
                       "?date1=$date1&amp;date2=$date2&amp;itemtype=$itemtype&amp;type=$type".
                       "&amp;value2=".$value[$i]['id'];
               $link = "<a href='$link'>".$value[$i]['link']."</a>";
               echo Search::showItem($output_type, $link, $item_num, $row_num);
            } else {
               echo Search::showItem($output_type, $value[$i]['link'], $item_num, $row_num);
            }

            if ($output_type == Search::HTML_OUTPUT) { // HTML display
               $link = "";
               if ($value[$i]['id'] > 0) {
                  $link = "<a href='stat.graph.php?id=".$value[$i]['id'].
                            "&amp;date1=$date1&amp;date2=$date2&amp;itemtype=$itemtype&amp;type=$type".
                            (!empty($value2)?"&amp;champ=$value2":"")."'>".
                          "<img src='".$CFG_GLPI["root_doc"]."/pics/stats_item.png' alt=''>".
                          "</a>";
               }
               echo Search::showItem($output_type, $link, $item_num, $row_num);
            }

            //le nombre d'intervention - the number of intervention
            $opened    = self::constructEntryValues($itemtype, "inter_total", $date1, $date2, $type,
                                                    $value[$i]["id"], $value2);
            $nb_opened = array_sum($opened);
            echo Search::showItem($output_type, $nb_opened, $item_num, $row_num);

            //le nombre d'intervention resolues - the number of solved intervention
            $solved    = self::constructEntryValues($itemtype, "inter_solved", $date1, $date2,
                                                    $type, $value[$i]["id"], $value2);
            $nb_solved = array_sum($solved);
            echo Search::showItem($output_type, $nb_solved, $item_num, $row_num);

            //le nombre d'intervention resolues - the number of solved intervention
            $solved_late    = self::constructEntryValues($itemtype, "inter_solved_late", $date1,
                                                         $date2, $type, $value[$i]["id"], $value2);
            $nb_solved_late = array_sum($solved_late);
            echo Search::showItem($output_type, $nb_solved_late, $item_num, $row_num);

            //le nombre d'intervention closes - the number of closed intervention
            $closed    = self::constructEntryValues($itemtype, "inter_closed", $date1, $date2,
                                                    $type, $value[$i]["id"], $value2);
            $nb_closed = array_sum($closed);

            echo Search::showItem($output_type, $nb_closed, $item_num, $row_num);

            if ($itemtype =='Ticket') {
               //Satisfaction open
               $opensatisfaction    = self::constructEntryValues($itemtype, "inter_opensatisfaction",
                                                                 $date1, $date2, $type,
                                                                 $value[$i]["id"], $value2);
               $nb_opensatisfaction = array_sum($opensatisfaction);
               echo Search::showItem($output_type, $nb_opensatisfaction, $item_num, $row_num);

               //Satisfaction answer
               $answersatisfaction    = self::constructEntryValues($itemtype,
                                                                   "inter_answersatisfaction",
                                                                   $date1, $date2, $type,
                                                                   $value[$i]["id"], $value2);
               $nb_answersatisfaction = array_sum($answersatisfaction);
               echo Search::showItem($output_type, $nb_answersatisfaction, $item_num, $row_num);

               //Satisfaction rate
               $satisfaction = self::constructEntryValues($itemtype, "inter_avgsatisfaction", $date1,
                                                          $date2, $type, $value[$i]["id"], $value2);
               foreach ($satisfaction as $key2 => $val2) {
                  $satisfaction[$key2] *= $answersatisfaction[$key2];
               }
               if ($nb_answersatisfaction > 0) {
                  $avgsatisfaction = round(array_sum($satisfaction)/$nb_answersatisfaction, 1);
                  if ($output_type == Search::HTML_OUTPUT) {
                     $avgsatisfaction = TicketSatisfaction::displaySatisfaction($avgsatisfaction);
                  }
               } else {
                  $avgsatisfaction = '&nbsp;';
               }
               echo Search::showItem($output_type, $avgsatisfaction, $item_num, $row_num);

               //Le temps moyen de prise en compte du ticket - The average time to take a ticket into account
               $data = self::constructEntryValues($itemtype, "inter_avgtakeaccount", $date1, $date2,
                                                  $type, $value[$i]["id"], $value2);
               foreach ($data as $key2 => $val2) {
                  $data[$key2] *= $solved[$key2];
               }

               if ($nb_solved > 0) {
                  $timedisplay = array_sum($data)/$nb_solved;
               } else {
                  $timedisplay = 0;
               }

               if (($output_type == Search::HTML_OUTPUT)
                  || ($output_type == Search::PDF_OUTPUT_LANDSCAPE)
                  || ($output_type == Search::PDF_OUTPUT_PORTRAIT)) {
                  $timedisplay = Html::timestampToString($timedisplay, 0, false);
               } else if ($output_type == Search::CSV_OUTPUT) {
                  $timedisplay = Html::timestampToCsvString($timedisplay);
               }
               echo Search::showItem($output_type, $timedisplay, $item_num, $row_num);
            }

            //Le temps moyen de resolution - The average time to resolv
            $data = self::constructEntryValues($itemtype, "inter_avgsolvedtime", $date1, $date2,
                                               $type, $value[$i]["id"], $value2);
            foreach ($data as $key2 => $val2) {
               $data[$key2] = round($data[$key2]*$solved[$key2]);
            }

            if ($nb_solved > 0) {
               $timedisplay = array_sum($data)/$nb_solved;
            } else {
               $timedisplay = 0;
            }
            if (($output_type == Search::HTML_OUTPUT)
                || ($output_type == Search::PDF_OUTPUT_LANDSCAPE)
                || ($output_type == Search::PDF_OUTPUT_PORTRAIT)) {
               $timedisplay = Html::timestampToString($timedisplay, 0, false);
            } else if ($output_type == Search::CSV_OUTPUT) {
               $timedisplay = Html::timestampToCsvString($timedisplay);
            }
            echo Search::showItem($output_type, $timedisplay, $item_num, $row_num);

            //Le temps moyen de cloture - The average time to close
            $data = self::constructEntryValues($itemtype, "inter_avgclosedtime", $date1, $date2,
                                               $type, $value[$i]["id"], $value2);
            foreach ($data as $key2 => $val2) {
               $data[$key2] = round($data[$key2]*$solved[$key2]);
            }

            if ($nb_closed > 0) {
               $timedisplay = array_sum($data)/$nb_closed;
            } else {
               $timedisplay = 0;
            }
            if (($output_type == Search::HTML_OUTPUT)
                || ($output_type == Search::PDF_OUTPUT_LANDSCAPE)
                || ($output_type == Search::PDF_OUTPUT_PORTRAIT)) {
               $timedisplay = Html::timestampToString($timedisplay, 0, false);
            } else if ($output_type == Search::CSV_OUTPUT) {
               $timedisplay = Html::timestampToCsvString($timedisplay);
            }
            echo Search::showItem($output_type, $timedisplay, $item_num, $row_num);

            //the number of solved interventions with a duration time
            $solved_with_actiontime = self::constructEntryValues($itemtype, "inter_solved_with_actiontime",
                                                                 $date1, $date2, $type, $value[$i]["id"], $value2);
            $nb_solved_with_actiontime = array_sum($solved_with_actiontime);

            //Le temps moyen de l'intervention reelle - The average actiontime to resolv
            $data = self::constructEntryValues($itemtype, "inter_avgactiontime", $date1, $date2,
                                               $type, $value[$i]["id"], $value2);
            foreach ($data as $key2 => $val2) {
               if (isset($solved_with_actiontime[$key2])) {
                  $data[$key2] *= $solved_with_actiontime[$key2];
               } else {
                  $data[$key2] *= 0;
               }
            }
            $total_actiontime = array_sum($data);

            if ($nb_solved_with_actiontime > 0) {
               $timedisplay = $total_actiontime/$nb_solved_with_actiontime;
            } else {
               $timedisplay = 0;
            }

            if (($output_type == Search::HTML_OUTPUT)
                || ($output_type == Search::PDF_OUTPUT_LANDSCAPE)
                || ($output_type == Search::PDF_OUTPUT_PORTRAIT)) {
               $timedisplay = Html::timestampToString($timedisplay, 0, false);
            } else if ($output_type == Search::CSV_OUTPUT) {
               $timedisplay = Html::timestampToCsvString($timedisplay);
            }
            echo Search::showItem($output_type, $timedisplay, $item_num, $row_num);
            //Le temps total de l'intervention reelle - The total actiontime to resolv
            $timedisplay = $total_actiontime;

            if (($output_type == Search::HTML_OUTPUT)
                || ($output_type == Search::PDF_OUTPUT_LANDSCAPE)
                || ($output_type == Search::PDF_OUTPUT_PORTRAIT)) {
               $timedisplay = Html::timestampToString($timedisplay, 0, false);
            } else if ($output_type == Search::CSV_OUTPUT) {
               $timedisplay = Html::timestampToCsvString($timedisplay);
            }
            echo Search::showItem($output_type, $timedisplay, $item_num, $row_num);

            echo Search::showEndLine($output_type);
         }
         // Display footer
         echo Search::showFooter($output_type, '', $numrows);

      } else {
         echo __('No statistics are available');
      }

      if ($output_type == Search::HTML_OUTPUT) { // HTML display
         echo "</div>";
      }
   }


   /**
    * @param $itemtype
    * @param $type
    * @param $begin              (default '')
    * @param $end                (default '')
    * @param $param              (default '')
    * @param $value              (default '')
    * @param $value2             (default '')
    * @param $add_criteria          (default [''])
    */
   static function constructEntryValues($itemtype, $type, $begin = "", $end = "", $param = "", $value = "",
                                        $value2 = "", array $add_criteria = []) {
      $DB = \DBConnection::getReadConnection();

      if (!$item = getItemForItemtype($itemtype)) {
         return;
      }
      $table          = $item->getTable();
      $fkfield        = $item->getForeignKeyField();

      if (!($userlinkclass = getItemForItemtype($item->userlinkclass))) {
         return;
      }
      $userlinktable  = $userlinkclass->getTable();
      if (!$grouplinkclass = getItemForItemtype($item->grouplinkclass)) {
         return;
      }
      $grouplinktable = $grouplinkclass->getTable();

      if (!($supplierlinkclass = getItemForItemtype($item->supplierlinkclass))) {
         return;
      }
      $supplierlinktable = $supplierlinkclass->getTable();

      $tasktable      = getTableForItemType($item->getType().'Task');

      $closed_status  = $item->getClosedStatusArray();
      $solved_status  = array_merge($closed_status, $item->getSolvedStatusArray());

      $criteria = [];
      $WHERE = [];
      if ($item->maybeDeleted()) {
         $WHERE["$table.is_deleted"] = 0;
      }
      $WHERE += getEntitiesRestrictCriteria($table);
      $LEFTJOIN          = [];
      $INNERJOIN         = [];
      $LEFTJOINUSER      = [
         $userlinktable => [
            'ON' => [
               $userlinktable => $fkfield,
               $table         => 'id'
            ]
         ]
      ];
      $LEFTJOINGROUP    = [
         $grouplinktable => [
            'ON' => [
               $grouplinktable   => $fkfield,
               $table            => 'id'
            ]
         ]
      ];
      $LEFTJOINSUPPLIER = [
         $supplierlinktable => [
            'ON' => [
               $supplierlinktable   => $fkfield,
               $table               => 'id'
            ]
         ]
      ];

      switch ($param) {
         case "technicien" :
            $LEFTJOIN = $LEFTJOINUSER;
            $WHERE["$userlinktable.users_id"] = $value;
            $WHERE["$userlinktable.type"] = CommonITILActor::ASSIGN;
            break;

         case "technicien_followup" :
            $WHERE["$tasktable.users_id"] = $value;
            $LEFTJOIN = [
               $tasktable => [
                  'ON' => [
                     $tasktable  => $fkfield,
                     $table      => 'id'
                  ]
               ]
            ];
            break;

         case "user" :
            $LEFTJOIN = $LEFTJOINUSER;
            $WHERE["$userlinktable.users_id"] = $value;
            $WHERE["$userlinktable.type"] = CommonITILActor::REQUESTER;
            break;

         case "usertitles_id" :
            $LEFTJOIN  = $LEFTJOINUSER;
            $LEFTJOIN['glpi_users'] = [
               'ON' => [
                  $userlinktable => 'users_id',
                  'glpi_users'   => 'id'
               ]
            ];
            $WHERE["glpi_users.usertitles_id"] = $value;
            $WHERE["$userlinktable.type"] = CommonITILActor::REQUESTER;
            break;

         case "usercategories_id" :
            $LEFTJOIN  = $LEFTJOINUSER;
            $LEFTJOIN['glpi_users'] = [
               'ON' => [
                  $userlinktable => 'users_id',
                  'glpi_users'   => 'id'
               ]
            ];
            $WHERE["glpi_users.usercategories_id"] = $value;
            $WHERE["$userlinktable.type"] = CommonITILActor::REQUESTER;
            break;

         case "itilcategories_tree" :
            if ($value == $value2) {
               $categories = [$value];
            } else {
               $categories = getSonsOf("glpi_itilcategories", $value);
            }
            $WHERE["$table.itilcategories_id"] = $categories;
            break;

         case 'locations_tree' :
            if ($value == $value2) {
               $locations = [$value];
            } else {
               $locations = getSonsOf('glpi_locations', $value);
            }
            $WHERE["$table.locations_id"] = $locations;
            break;

         case 'group_tree' :
         case 'groups_tree_assign' :
            $grptype = (($param == 'group_tree') ? CommonITILActor::REQUESTER
                                                 : CommonITILActor::ASSIGN);
            if ($value == $value2) {
               $groups = [$value];
            } else {
               $groups = getSonsOf("glpi_groups", $value);
            }

            $LEFTJOIN  = $LEFTJOINGROUP;
            $WHERE["$grouplinktable.groups_id"] = $groups;
            $WHERE["$grouplinktable.type"] = $grptype;
            break;

         case "group" :
            $LEFTJOIN = $LEFTJOINGROUP;
            $WHERE["$grouplinktable.groups_id"] = $value;
            $WHERE["$grouplinktable.type"] = CommonITILActor::REQUESTER;
            break;

         case "groups_id_assign" :
            $LEFTJOIN = $LEFTJOINGROUP;
            $WHERE["$grouplinktable.groups_id"] = $value;
            $WHERE["$grouplinktable.type"] = CommonITILActor::ASSIGN;
            break;

         case "suppliers_id_assign" :
            $LEFTJOIN = $LEFTJOINSUPPLIER;
            $WHERE["$supplierlinktable.suppliers_id"] = $value;
            $WHERE["$supplierlinktable.type"] = CommonITILActor::ASSIGN;
            break;

         case "requesttypes_id" :
         case "urgency" :
         case "impact" :
         case "priority" :
         case "users_id_recipient" :
         case "type" :
         case "itilcategories_id" :
         case 'locations_id' :
            $WHERE["$table.$param"] = $value;
            break;

         case "solutiontypes_id" :
            $LEFTJOIN = [
               'glpi_itilsolutions' => [
                  'ON' => [
                     'glpi_itilsolutions'   => 'items_id',
                     'glpi_tickets'               => 'id', [
                        'AND' => [
                           'glpi_itilsolutions.itemtype' => 'Ticket'
                        ]
                     ]
                  ]
               ]
            ];
            $WHERE["glpi_itilsolutions.$param"] = $value;
            break;

         case "device":
            $devtable = getTableForItemType('Computer_'.$value2);
            $fkname   = getForeignKeyFieldForTable(getTableForItemType($value2));
            //select computers IDs that are using this device;
            $linkdetable = $table;
            if ($itemtype == 'Ticket') {
               $linkedtable = 'glpi_items_tickets';
               $LEFTJOIN = [
                  'glpi_items_tickets' => [
                     'ON' => [
                        'glpi_items_tickets' => 'tickets_id',
                        'glpi_tickets'       => 'id', [
                           'AND' => [
                              "$linkdetable.itemtype" => 'Computer'
                           ]
                        ]
                     ]
                  ]
               ];

            }
            $INNERJOIN = [
               'glpi_computers'  => [
                  'ON' => [
                     'glpi_computers'  => 'id',
                     $linkedtable      => 'items_id'
                  ]
               ],
               $devtable         => [
                  'ON' => [
                     'glpi_computers'  => 'id',
                     $devtable         => 'computers_id', [
                        'AND' => [
                           "$devtable.$fkname" => $value
                        ]
                     ]
                  ]
               ]
            ];

            $WHERE["glpi_computers.is_template"] = 0;
            break;

         case "comp_champ" :
            $ftable   = getTableForItemType($value2);
            $champ    = getForeignKeyFieldForTable($ftable);
            $linkdetable = $table;
            if ($itemtype == 'Ticket') {
               $linkedtable = 'glpi_items_tickets';
               $LEFTJOIN = [
                  'glpi_items_tickets' => [
                     'ON' => [
                        'glpi_items_tickets' => 'tickets_id',
                        'glpi_tickets'       => 'id', [
                           'AND' => [
                              "$linkedtable.itemtype" => 'Computer'
                           ]
                        ]
                     ]
                  ]
               ];
            }
            $INNERJOIN = [
               'glpi_computers' => [
                  'ON' => [
                     'glpi_computers'  => 'id',
                     $linkedtable      => 'items_id'
                  ]
               ]
            ];

            $WHERE["glpi_computers.is_template"] = 0;
            if (substr($champ, 0, strlen('operatingsystem')) === 'operatingsystem') {
               $INNERJOIN['glpi_items_operatingsystems'] = [
                  'ON' => [
                     'glpi_computers'              => 'id',
                     'glpi_items_operatingsystems' => 'items_id', [
                        'AND' => [
                           "glpi_items_operatingsystems.itemtype" => 'Computer'
                        ]
                     ]
                  ]
               ];
               $WHERE["glpi_items_operatingsystems.$champ"] = $value;
            } else {
               $WHERE["glpi_computers.$champ"] = $value;
            }
            break;
      }

      switch ($type) {
         case "inter_total" :
            $WHERE[] = getDateCriteria("$table.date", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.date")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT' => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.date"
            ];
            break;

         case "inter_solved" :
            $WHERE["$table.status"] = $solved_status;
            $WHERE[] = ['NOT' => ["$table.solvedate" => null]];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.solvedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_solved_late" :
            $WHERE["$table.status"] = $solved_status;
            $WHERE[] = [
               'NOT' => [
                  "$table.solvedate"         => null,
                  "$table.time_to_resolve"   => null
               ]
            ];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);
            $WHERE[] = new QueryExpression("$table.solvedate > $table.time_to_resolve");

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.solvedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_closed" :
            $WHERE["$table.status"] = $closed_status;
            $WHERE[] = ['NOT' => ["$table.closedate" => null]];
            $WHERE[] = getDateCriteria("$table.closedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.closedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.closedate"
            ];
            break;

         case "inter_solved_with_actiontime" :
            $WHERE["$table.status"] = $solved_status;
            $WHERE["$table.actiontime"] = ['>', 0];
            $WHERE[] = ['NOT' => ["$table.solvedate" => null]];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(" . $DB->quoteName("$table.solvedate") . "),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_avgsolvedtime" :
            $WHERE["$table.status"] = $solved_status;
            $WHERE[] = ['NOT' => ["$table.solvedate" => null]];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.solvedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'AVG' => "solve_delay_stat AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_avgclosedtime" :
            $WHERE["$table.status"] = $closed_status;
            $WHERE[] = ['NOT' => ["$table.closedate" => null]];
            $WHERE[] = getDateCriteria("$table.closedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.closedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'AVG'  => "close_delay_stat AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.closedate"
            ];
            break;

         case "inter_avgactiontime" :
            if ($param == "technicien_followup") {
               $actiontime_table = $tasktable;
            } else {
               $actiontime_table = $table;
            }
            $WHERE["$actiontime_table.actiontime"] = ['>', 0];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.solvedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'AVG'  => "$actiontime_table.actiontime AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_avgtakeaccount" :
            $WHERE["$table.status"] = $solved_status;
            $WHERE[] = ['NOT' => ["$table.solvedate" => null]];
            $WHERE[] = getDateCriteria("$table.solvedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.solvedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'AVG'  => "$table.takeintoaccount_delay_stat AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.solvedate"
            ];
            break;

         case "inter_opensatisfaction" :
            $WHERE["$table.status"] = $closed_status;
            $WHERE[] = ['NOT' => ["$table.closedate" => null]];
            $WHERE[] = getDateCriteria("$table.closedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.closedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $INNERJOIN['glpi_ticketsatisfactions'] = [
               'ON' => [
                  'glpi_ticketsatisfactions' => 'tickets_id',
                  $table                     => 'id'
               ]
            ];

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.closedate"
            ];
            break;

         case "inter_answersatisfaction" :
            $WHERE["$table.status"] = $closed_status;
            $WHERE[] = [
               ['NOT' => ["$table.closedate" => null]],
               ['NOT' => ["glpi_ticketsatisfactions.date_answered"  => null]],
            ];

            $WHERE[] = getDateCriteria("$table.closedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.closedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $INNERJOIN['glpi_ticketsatisfactions'] = [
               'ON' => [
                  'glpi_ticketsatisfactions' => 'tickets_id',
                  $table                     => 'id'
               ]
            ];

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'COUNT DISTINCT'  => "$table.id AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.closedate"
            ];
            break;

         case "inter_avgsatisfaction" :
            $WHERE["$table.status"] = $closed_status;
            $WHERE[] = [
               'NOT' => [
                  "$table.closedate" => null,
                  "glpi_ticketsatisfactions.date_answered" => null
               ]
            ];
            $WHERE[] = getDateCriteria("$table.closedate", $begin, $end);

            $date_unix = new QueryExpression(
               "FROM_UNIXTIME(UNIX_TIMESTAMP(".$DB->quoteName("$table.closedate")."),'%Y-%m') AS ".$DB->quoteName('date_unix')
            );

            $INNERJOIN['glpi_ticketsatisfactions'] = [
               'ON' => [
                  'glpi_ticketsatisfactions' => 'tickets_id',
                  $table                     => 'id'
               ]
            ];

            $criteria = [
               'SELECT'    => [
                  $date_unix,
                  'AVG'  => "glpi_ticketsatisfactions.satisfaction AS total_visites"
               ],
               'FROM'      => $table,
               'WHERE'     => $WHERE,
               'GROUPBY'   => 'date_unix',
               'ORDERBY'   => "$table.closedate"
            ];
            break;
      }

      if (count($LEFTJOIN)) {
         $criteria['LEFT JOIN'] = $LEFTJOIN;
      }

      if (count($INNERJOIN)) {
         $criteria['INNER JOIN'] = $INNERJOIN;
      }

      $entrees = [];
      if (!count($criteria)) {
         return [];
      }

      if (count($add_criteria)) {
         $criteria = array_merge_recursive($criteria, $add_criteria);
      }

      $iterator = $DB->request($criteria);
      while ($row = $iterator->next()) {
         $date             = $row['date_unix'];
         //$visites = round($row['total_visites']);
         $entrees["$date"] = $row['total_visites'];
      }

      $end_time   = strtotime(date("Y-m", strtotime($end))."-01");
      $begin_time = strtotime(date("Y-m", strtotime($begin))."-01");

      $current = $begin_time;

      while ($current <= $end_time) {
         $curentry = date("Y-m", $current);
         if (!isset($entrees["$curentry"])) {
            $entrees["$curentry"] = 0;
         }
         $month   = date("m", $current);
         $year    = date("Y", $current);
         $current = mktime(0, 0, 0, intval($month)+1, 1, intval($year));
      }
      ksort($entrees);

      return $entrees;
   }

   /**
    * @param $target
    * @param $date1
    * @param $date2
    * @param $start
   **/
   static function showItems($target, $date1, $date2, $start) {
      global $DB;

      $view_entities = Session::isMultiEntitiesMode();

      if ($view_entities) {
         $entities = getAllDataFromTable('glpi_entities');
      }

      $output_type = Search::HTML_OUTPUT;
      if (isset($_GET["display_type"])) {
         $output_type = $_GET["display_type"];
      }
      if (empty($date2)) {
         $date2 = date("Y-m-d");
      }
      $date2 .= " 23:59:59";

      // 1 an par defaut
      if (empty($date1)) {
         $date1 = date("Y-m-d", mktime(0, 0, 0, date("m"), date("d"), date("Y")-1));
      }
      $date1 .= " 00:00:00";

      $iterator = $DB->request([
         'SELECT' => [
            'glpi_items_tickets.itemtype',
            'glpi_items_tickets.items_id',
            'COUNT'  => '* AS NB'
         ],
         'FROM'   => 'glpi_tickets',
         'LEFT JOIN' => [
            'glpi_items_tickets' => [
               'ON' => [
                  'glpi_items_tickets' => 'tickets_id',
                  'glpi_tickets'       => 'id'
               ]
            ]
         ],
         'WHERE'  => [
            'date'                        => ['<=', $date2],
            'glpi_tickets.date'           => ['>=', $date1],
            'glpi_items_tickets.itemtype' => ['<>', ''],
            'glpi_items_tickets.items_id' => ['>', 0]
         ] + getEntitiesRestrictCriteria('glpi_tickets'),
         'GROUP'  => [
            'glpi_items_tickets.itemtype',
            'glpi_items_tickets.items_id'
         ],
         'ORDER'  => 'NB DESC'
      ]);
      $numrows = count($iterator);

      if ($numrows > 0) {
         if ($output_type == Search::HTML_OUTPUT) {
            Html::printPager($start, $numrows, $target,
                             "date1=".$date1."&amp;date2=".$date2.
                                 "&amp;type=hardwares&amp;start=$start",
                             'Stat');
            echo "<div class='center'>";
         }

         $end_display = $start+$_SESSION['glpilist_limit'];
         if (isset($_GET['export_all'])) {
            $end_display = $numrows;
         }
         echo Search::showHeader($output_type, $end_display-$start+1, 2, 1);
         $header_num = 1;
         echo Search::showNewLine($output_type);
         echo Search::showHeaderItem($output_type, _n('Associated element', 'Associated elements', Session::getPluralNumber()), $header_num);
         if ($view_entities) {
            echo Search::showHeaderItem($output_type, Entity::getTypeName(1), $header_num);
         }
         echo Search::showHeaderItem($output_type, __('Number of tickets'), $header_num);
         echo Search::showEndLine($output_type);

         $i = $start;
         if (isset($_GET['export_all'])) {
            $start = 0;
         }

         for ($i=$start; ($i<$numrows) && ($i<$end_display); $i++) {
            $item_num = 1;
            // Get data and increment loop variables
            $data = $iterator->next();
            if (!($item = getItemForItemtype($data["itemtype"]))) {
               continue;
            }
            if ($item->getFromDB($data["items_id"])) {
               echo Search::showNewLine($output_type, $i%2);
               echo Search::showItem($output_type, sprintf(__('%1$s - %2$s'), $item->getTypeName(),
                                                           $item->getLink()),
                                     $item_num, $i-$start+1,
                                     "class='center'"." ".($item->isDeleted()?" class='deleted' "
                                                                             :""));
               if ($view_entities) {
                  $ent = $item->getEntityID();
                  $ent = $entities[$ent]['completename'];
                  echo Search::showItem($output_type, $ent, $item_num, $i-$start+1,
                                        "class='center'"." ".($item->isDeleted()?" class='deleted' "
                                                                                :""));
               }
               echo Search::showItem($output_type, $data["NB"], $item_num, $i-$start+1,
                                     "class='center'"." ".($item->isDeleted()?" class='deleted' "
                                                                             :""));
            }
         }

         echo Search::showFooter($output_type);
         if ($output_type == Search::HTML_OUTPUT) {
            echo "</div>";
         }
      }
   }


   /**
    * @since 0.84
   **/
   static function title() {
      global $PLUGIN_HOOKS, $CFG_GLPI;

      $opt_list["Ticket"]                             = __('Tickets');

      $stat_list["Ticket"]["Ticket_Global"]["name"]   = __('Global');
      $stat_list["Ticket"]["Ticket_Global"]["file"]   = "stat.global.php?itemtype=Ticket";
      $stat_list["Ticket"]["Ticket_Ticket"]["name"]   = __('By ticket');
      $stat_list["Ticket"]["Ticket_Ticket"]["file"]   = "stat.tracking.php?itemtype=Ticket";
      $stat_list["Ticket"]["Ticket_Location"]["name"] = __('By hardware characteristics');
      $stat_list["Ticket"]["Ticket_Location"]["file"] = "stat.location.php?itemtype=Ticket";
      $stat_list["Ticket"]["Ticket_Item"]["name"]     = __('By hardware');
      $stat_list["Ticket"]["Ticket_Item"]["file"]     = "stat.item.php";

      if (Problem::canView()) {
         $opt_list["Problem"]                               = Problem::getTypeName(Session::getPluralNumber());

         $stat_list["Problem"]["Problem_Global"]["name"]    = __('Global');
         $stat_list["Problem"]["Problem_Global"]["file"]    = "stat.global.php?itemtype=Problem";
         $stat_list["Problem"]["Problem_Problem"]["name"]   = __('By problem');
         $stat_list["Problem"]["Problem_Problem"]["file"]   = "stat.tracking.php?itemtype=Problem";
      }

      if (Change::canView()) {
         $opt_list["Change"]                             = _n('Change', 'Changes', Session::getPluralNumber());

         $stat_list["Change"]["Change_Global"]["name"]   = __('Global');
         $stat_list["Change"]["Change_Global"]["file"]   = "stat.global.php?itemtype=Change";
         $stat_list["Change"]["Change_Change"]["name"]   = __('By change');
         $stat_list["Change"]["Change_Change"]["file"]   = "stat.tracking.php?itemtype=Change";
      }

      //Affichage du tableau de presentation des stats
      echo "<table class='tab_cadre_fixe'>";
      echo "<tr><th colspan='2'>".__('Select statistics to be displayed')."</th></tr>";
      echo "<tr class='tab_bg_1'><td class='center'>";

      $values   = [$CFG_GLPI["root_doc"].'/front/stat.php' => Dropdown::EMPTY_VALUE];

      $i        = 0;
      $selected = -1;
      $count    = count($stat_list);
      foreach ($opt_list as $opt => $group) {
         foreach ($stat_list[$opt] as $data) {
            $name    = $data['name'];
            $file    = $data['file'];
            $comment ="";
            if (isset($data['comment'])) {
               $comment = $data['comment'];
            }
            $key                  = $CFG_GLPI["root_doc"]."/front/".$file;
            $values[$group][$key] = $name;
            if (stripos($_SERVER['REQUEST_URI'], $key) !== false) {
               $selected = $key;
            }
         }
      }

      // Manage plugins
      $names    = [];
      $optgroup = [];
      if (isset($PLUGIN_HOOKS["stats"]) && is_array($PLUGIN_HOOKS["stats"])) {
         foreach ($PLUGIN_HOOKS["stats"] as $plug => $pages) {
            if (!Plugin::isPluginActive($plug)) {
               continue;
            }
            if (is_array($pages) && count($pages)) {
               foreach ($pages as $page => $name) {
                  $names[$plug.'/'.$page] = ["name" => $name,
                                                  "plug" => $plug];
                  $optgroup[$plug] = Plugin::getInfo($plug, 'name');
               }
            }
         }
         asort($names);
      }

      foreach ($optgroup as $opt => $title) {
         $group = $title;
         foreach ($names as $key => $val) {
            if ($opt == $val["plug"]) {
               $file                  = $CFG_GLPI["root_doc"]."/plugins/".$key;
               $values[$group][$file] = $val["name"];
               if (stripos($_SERVER['REQUEST_URI'], $file) !== false) {
                  $selected = $file;
               }
            }
         }
      }

      Dropdown::showFromArray('statmenu', $values,
                              ['on_change' => "window.location.href=this.options[this.selectedIndex].value",
                                    'value'     => $selected]);
      echo "</td>";
      echo "</tr>";
      echo "</table>";
   }


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

      $values[READ] = __('Read');
      return $values;
   }

   /**
    * Display line graph
    *
    * @param string   $title  Graph title
    * @param string[] $labels Labels to display
    * @param array    $series Series data. An array of the form:
    *                 [
    *                    ['name' => 'a name', 'data' => []],
    *                    ['name' => 'another name', 'data' => []]
    *                 ]
    * @param array    $options  Options
    * @param boolean  $display  Whether to display directly; defauts to true
    *
    * @return void
    */
   public function displayLineGraph($title, $labels, $series, $options = null, $display = true) {
      global $CFG_GLPI;

      $param = [
         'width'   => 900,
         'height'  => 300,
         'tooltip' => true,
         'legend'  => true,
         'animate' => true,
         'csv'     => true
      ];

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

      $slug = str_replace('-', '_', Toolbox::slugify($title));
      $this->checkEmptyLabels($labels);
      $out = "<h2 class='center'>$title";
      if ($param['csv']) {
         $csvfilename = $this->generateCsvFile($labels, $series, $options);
         $out .= " <a href='".$CFG_GLPI['root_doc'].
            "/front/graph.send.php?file=$csvfilename' title='".__s('CSV').
            "' class='pointer fa fa-file-alt'><span class='sr-only'>".__('CSV').
            "</span></a>";
      }
      $out .= "</h2>";
      $out .= "<div id='$slug' class='chart'></div>";
      Html::requireJs('charts');
      $out .= "<script type='text/javascript'>
                  $(function() {
                     var chart_$slug = new Chartist.Line('#$slug', {
                        labels: ['" . implode('\', \'', Toolbox::addslashes_deep($labels))  . "'],
                        series: [";

      $first = true;
      foreach ($series as $serie) {
         if ($first === true) {
            $first = false;
         } else {
            $out .= ",\n";
         }
         $serieData = implode(', ', $serie['data']);
         if (isset($serie['name'])) {
            $serieLabel = Toolbox::addslashes_deep($serie['name']);
            $out .= "{'name': '$serieLabel', 'data': [$serieData]}";
         } else {
            $out .= "[$serieData]";
         }
      }

      $out .= "
                        ]
                     }, {
                        low: 0,
                        showArea: true,
                        width: '{$param['width']}',
                        height: '{$param['height']}',
                        fullWidth: true,
                        lineSmooth: Chartist.Interpolation.simple({
                           divisor: 10,
                           fillHoles: false
                        }),
                        axisX: {
                           labelOffset: {
                              x: -" . mb_strlen($labels[0]) * 7  . "
                           }
                        }";

      if ($param['legend'] === true || $param['tooltip'] === true) {
         $out .= ", plugins: [";
         if ($param['legend'] === true) {
            $out .= "Chartist.plugins.legend()";
         }
         if ($param['tooltip'] === true) {
            $out .= ($param['legend'] === true ? ',' : '') . "Chartist.plugins.tooltip()";
         }
         $out .= "]";
      }

      $out .= "});";

      if ($param['animate'] === true) {
                  $out .= "
                     chart_$slug.on('draw', function(data) {
                        if(data.type === 'line' || data.type === 'area') {
                           data.element.animate({
                              d: {
                                 begin: 300 * data.index,
                                 dur: 500,
                                 from: data.path.clone().scale(1, 0).translate(0, data.chartRect.height()).stringify(),
                                 to: data.path.clone().stringify(),
                                 easing: Chartist.Svg.Easing.easeOutQuint
                              }
                           });
                        }
                     });
                  });";
      }
      $out .="</script>";

      if ($display) {
         echo $out;
         return;
      }
      return $out;
   }

   /**
    * Display pie graph
    *
    * @param string   $title  Graph title
    * @param string[] $labels Labels to display
    * @param array    $series Series data. An array of the form:
    *                 [
    *                    ['name' => 'a name', 'data' => []],
    *                    ['name' => 'another name', 'data' => []]
    *                 ]
    * @param array    $options  Options
    * @param boolean  $display  Whether to display directly; defauts to true
    *
    * @return void
    */
   public function displayPieGraph($title, $labels, $series, $options = [], $display = true) {
      global $CFG_GLPI;
      $param = [
         'csv'     => true
      ];

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

      $slug = str_replace('-', '_', Toolbox::slugify($title));
      $this->checkEmptyLabels($labels);
      $out = "<h2 class='center'>$title";
      if ($param['csv']) {
         $options['title'] = $title;
         $csvfilename = $this->generateCsvFile($labels, $series, $options);
         $out .= " <a href='".$CFG_GLPI['root_doc'].
            "/front/graph.send.php?file=$csvfilename' title='".__s('CSV').
            "' class='pointer fa fa-file-alt'><span class='sr-only'>".__('CSV').
            "</span></a>";
      }
      $out .= "</h2>";
      $out .= "<div id='$slug' class='chart'></div>";
      $out .= "<script type='text/javascript'>
                  $(function() {
                     var $slug = new Chartist.Pie('#$slug', {
                        labels: ['" . implode('\', \'', Toolbox::addslashes_deep($labels))  . "'],
                        series: [";

      $first = true;
      foreach ($series as $serie) {
         if ($first === true) {
            $first = false;
         } else {
            $out .= ",\n";
         }

         $serieLabel = Toolbox::addslashes_deep($serie['name']);
         $serieData = $serie['data'];
         $out .= "{'meta': '$serieLabel', 'value': '$serieData'}";
      }

      $out .= "
                        ]
                     }, {
                        donut: true,
                        showLabel: false,
                        height: 300,
                        width: 300,
                        plugins: [
                           Chartist.plugins.legend(),
                           Chartist.plugins.tooltip()
                        ]
                     });

                     $slug.on('draw', function(data) {
                        if(data.type === 'slice') {
                           // Get the total path length in order to use for dash array animation
                           var pathLength = data.element._node.getTotalLength();

                           // Set a dasharray that matches the path length as prerequisite to animate dashoffset
                           data.element.attr({
                              'stroke-dasharray': pathLength + 'px ' + pathLength + 'px'
                           });

                           // Create animation definition while also assigning an ID to the animation for later sync usage
                           var animationDefinition = {
                              'stroke-dashoffset': {
                                 id: 'anim' + data.index,
                                 dur: 300,
                                 from: -pathLength + 'px',
                                 to:  '0px',
                                 easing: Chartist.Svg.Easing.easeOutQuint,
                                 // We need to use `fill: 'freeze'` otherwise our animation will fall back to initial (not visible)
                                 fill: 'freeze'
                              }
                           };

                           // We need to set an initial value before the animation starts as we are not in guided mode which would do that for us
                           data.element.attr({
                              'stroke-dashoffset': -pathLength + 'px'
                           });

                           // We can't use guided mode as the animations need to rely on setting begin manually
                           // See http://gionkunz.github.io/chartist-js/api-documentation.html#chartistsvg-function-animate
                           data.element.animate(animationDefinition, false);
                        }
                     });
                  });
              </script>";

      if ($display) {
         echo $out;
         return;
      }
      return $out;
   }

   /**
    * Display search form
    *
    * @param string  $itemtype Item type
    * @param string  $date1    First date
    * @param string  $date2    Second date
    * @param boolean $display  Whether to display directly; defauts to true
    *
    * @return void|string
    */
   public function displaySearchForm($itemtype, $date1, $date2, $display = true) {
      $out = "<form method='get' name='form' action='stat.global.php'><div class='center'>";
      // Keep it at first parameter
      $out .= "<input type='hidden' name='itemtype' value='$itemtype'>";

      $out .= "<table class='tab_cadre'>";
      $out .= "<tr class='tab_bg_2'><td class='right'>".__('Start date')."</td><td>";
      $out .= Html::showDateField(
         'date1',
         [
            'value'   => $date1,
            'display' => false
         ]
      );
      $out .= "</td><td rowspan='2' class='center'>";
      $out .= "<input type='submit' class='submit' value='".__s('Display report')."'></td></tr>";

      $out .= "<tr class='tab_bg_2'><td class='right'>".__('End date')."</td><td>";
      $out .= Html::showDateField(
         'date2',
         [
            'value'   => $date2,
            'display' => false
         ]
      );
      $out .= "</td></tr>";
      $out .= "</table></div>";
      // form using GET method : CRSF not needed
      $out .= Html::closeForm(false);

      if ($display) {
         echo $out;
         return;
      }
      return $out;
   }

   /**
    * Check and replace empty labels
    *
    * @param array $labels Labels
    *
    * @return void
    */
   private function checkEmptyLabels(&$labels) {
      foreach ($labels as &$label) {
         if (empty($label)) {
            $label = '-';
         }
      }
   }

   /**
    * Generates te CSV file
    *
    * @param array  $labels  Labels
    * @param array  $series  Series
    * @param array  $options Options
    *
    * @return string filename
    */
   private function generateCsvFile($labels, $series, $options = []) {
      $uid = Session::getLoginUserID(false);
      $csvfilename = $uid.'_'.mt_rand().'.csv';

      // Render CSV
      if ($fp = fopen(GLPI_GRAPH_DIR.'/'.$csvfilename, 'w')) {
         // reformat datas
         $values  = [];
         $headers = [];
         $row_num = 0;
         foreach ($series as $serie) {
            $data = $serie['data'];
            //$labels[$row_num] = $label;
            if (is_array($data) && count($data)) {
               $headers[$row_num] = $serie['name'];
               foreach ($data as $key => $val) {
                  if (!isset($values[$key])) {
                     $values[$key] = [];
                  }
                  if (isset($options['datatype']) && $options['datatype'] == 'average') {
                     $val = round($val, 2);
                  }
                  $values[$key][$row_num] = $val;
               }
            } else {
               $values[$serie['name']][] = $data;
            }
            $row_num++;
         }
         ksort($values);

         if (!count($headers) && $options['title']) {
            $headers[] = $options['title'];
         }

         // Print labels
         fwrite($fp, $_SESSION["glpicsv_delimiter"]);
         foreach ($headers as $val) {
            fwrite($fp, $val.$_SESSION["glpicsv_delimiter"]);
         }
         fwrite($fp, "\n");

         //print values
         foreach ($values as $key => $data) {
            fwrite($fp, $key.$_SESSION["glpicsv_delimiter"]);
            foreach ($data as $value) {
               fwrite($fp, $value.$_SESSION["glpicsv_delimiter"]);
            }
            fwrite($fp, "\n");
         }

         fclose($fp);
         return $csvfilename;
      }
      return false;
   }

   static function getIcon() {
      return "fas fa-chart-bar";
   }
}

haha - 2025