<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2020 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");
}

/**
 * Manage link between items and software licenses.
 */
class Item_SoftwareLicense extends CommonDBRelation {

   // From CommonDBRelation
   static public $itemtype_1 = 'itemtype';
   static public $items_id_1 = 'items_id';

   static public $itemtype_2 = 'SoftwareLicense';
   static public $items_id_2 = 'softwarelicenses_id';


   function post_addItem() {

      SoftwareLicense::updateValidityIndicator($this->fields['softwarelicenses_id']);

      parent::post_addItem();
   }


   function post_deleteFromDB() {

      SoftwareLicense::updateValidityIndicator($this->fields['softwarelicenses_id']);

      parent::post_deleteFromDB();
   }


   function rawSearchOptions() {
      $tab = [];

      $tab[] = [
         'id'                 => 'common',
         'name'               => __('Characteristics')
      ];

      $tab[] = [
         'id'                 => '2',
         'table'              => $this->getTable(),
         'field'              => 'id',
         'name'               => __('ID'),
         'massiveaction'      => false,
         'datatype'           => 'number'
      ];

      $tab[] = [
         'id'                 => '4',
         'table'              => 'glpi_softwarelicenses',
         'field'              => 'name',
         'name'               => _n('License', 'Licenses', 1),
         'datatype'           => 'dropdown',
         'massiveaction'      => false
      ];

      $tab[] = [
         'id'                 => '5',
         'table'              => $this->getTable(),
         'field'              => 'items_id',
         'name'               => _n('Associated element', 'Associated elements', Session::getPluralNumber()),
         'datatype'           => 'specific',
         'comments'           => true,
         'nosort'             => true,
         'massiveaction'      => false,
         'additionalfields'   => ['itemtype']
      ];

      $tab[] = [
         'id'                 => '6',
         'table'              => $this->getTable(),
         'field'              => 'itemtype',
         'name'               => _x('software', 'Request source'),
         'datatype'           => 'dropdown'
      ];

      return $tab;
   }


   static function showMassiveActionsSubForm(MassiveAction $ma) {

      $input = $ma->getInput();
      switch ($ma->getAction()) {
         case 'move_license' :
            if (isset($input['options'])) {
               if (isset($input['options']['move'])) {
                  SoftwareLicense::dropdown([
                     'condition' => [
                        'glpi_softwarelicenses.softwares_id' => $input['options']['move']['softwares_id']
                     ],
                     'used'      => $input['options']['move']['used']
                  ]);
                  echo Html::submit(_x('button', 'Post'), ['name' => 'massiveaction']);
                  return true;
               }
            }
            return false;
      }
      return parent::showMassiveActionsSubForm($ma);
   }


   static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item,
                                                       array $ids) {

      switch ($ma->getAction()) {
         case 'move_license' :
            $input = $ma->getInput();
            if (isset($input['softwarelicenses_id'])) {
               foreach ($ids as $id) {
                  if ($item->can($id, UPDATE)) {
                     //Process rules
                     if ($item->update(['id'  => $id,
                                             'softwarelicenses_id'
                                             => $input['softwarelicenses_id']])) {
                        $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
                     } else {
                        $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                        $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
                     }
                  } else {
                     $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                     $ma->addMessage($item->getErrorMessage(ERROR_RIGHT));
                  }
               }
            } else {
               $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_KO);
            }
            return;

         case 'install' :
            $csl = new self();
            $csv = new Item_SoftwareVersion();
            foreach ($ids as $id) {
               if ($csl->getFromDB($id)) {
                  $sl = new SoftwareLicense();

                  if ($sl->getFromDB($csl->fields["softwarelicenses_id"])) {
                     $version = 0;
                     if ($sl->fields["softwareversions_id_use"]>0) {
                        $version = $sl->fields["softwareversions_id_use"];
                     } else {
                        $version = $sl->fields["softwareversions_id_buy"];
                     }
                     if ($version > 0) {
                        $params = [
                           'items_id'  => $csl->fields['items_id'],
                           'itemtype'  => $csl->fields['itemtype'],
                           'softwareversions_id' => $version];
                        //Get software name and manufacturer
                        if ($csv->can(-1, CREATE, $params)) {
                           //Process rules
                           if ($csv->add($params)) {
                              $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
                           } else {
                              $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                           }
                        } else {
                           $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                        }
                     } else {
                        Session::addMessageAfterRedirect(__('A version is required!'), false, ERROR);
                        $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                     }
                  } else {
                     $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                  }
               }
            }
            return;
      }
      parent::processMassiveActionsForOneItemtype($ma, $item, $ids);
   }


   /**
    * Get number of installed licenses of a license
    *
    * @param integer $softwarelicenses_id license ID
    * @param integer $entity              to search for item in (default = all entities)
    *                                     (default '') -1 means no entity restriction
    * @param string $itemtype             Item type to filter on. Use null for all itemtypes
    *
    * @return integer number of installations
   **/
   static function countForLicense($softwarelicenses_id, $entity = '', $itemtype = null) {
      global $DB;

      $iterator = $DB->request([
         'SELECT'    => ['itemtype'],
         'DISTINCT'  => true,
         'FROM'      => self::getTable(__CLASS__),
         'WHERE'     => [
            'softwarelicenses_id'   => $softwarelicenses_id
         ]
      ]);

      $target_types = [];
      if ($itemtype !== null) {
         $target_types = [$itemtype];
      } else {
         while ($data = $iterator->next()) {
            $target_types[] = $data['itemtype'];
         }
      }

      $count = 0;
      foreach ($target_types as $itemtype) {
         $itemtable = $itemtype::getTable();
         $request = [
            'FROM'         => 'glpi_items_softwarelicenses',
            'COUNT'        => 'cpt',
            'INNER JOIN'   => [
               $itemtable  => [
                  'FKEY'   => [
                     $itemtable                    => 'id',
                     'glpi_items_softwarelicenses' => 'items_id', [
                        'AND' => [
                           'glpi_items_softwarelicenses.itemtype' => $itemtype
                        ]
                     ]
                  ]
               ]
            ],
            'WHERE'        => [
               'glpi_items_softwarelicenses.softwarelicenses_id'     => $softwarelicenses_id,
               'glpi_items_softwarelicenses.is_deleted'              => 0
            ]
         ];
         if ($entity !== -1) {
            $request['WHERE'] += getEntitiesRestrictCriteria($itemtable, '', $entity);
         }
         $item = new $itemtype();
         if ($item->maybeDeleted()) {
            $request['WHERE']["$itemtable.is_deleted"] = 0;
         }
         if ($item->maybeTemplate()) {
            $request['WHERE']["$itemtable.is_template"] = 0;
         }
         $count += $DB->request($request)->next()['cpt'];
      }
      return $count;
   }


   /**
    * Get number of installed licenses of a software
    *
    * @param integer $softwares_id software ID
    *
    * @return integer number of installations
   **/
   static function countForSoftware($softwares_id) {
      global $DB;

      $license_table = SoftwareLicense::getTable();
      $item_license_table = self::getTable(__CLASS__);

      $iterator = $DB->request([
         'SELECT'    => ['itemtype'],
         'DISTINCT'  => true,
         'FROM'      => $item_license_table,
         'LEFT JOIN' => [
            $license_table => [
               'FKEY'   => [
                  $license_table       => 'id',
                  $item_license_table  => 'softwarelicenses_id'
               ]
            ]
         ],
         'WHERE'     => [
            'softwares_id'   => $softwares_id
         ]
      ]);

      $target_types = [];
      while ($data = $iterator->next()) {
         $target_types[] = $data['itemtype'];
      }

      $count = 0;
      foreach ($target_types as $itemtype) {
         $itemtable = $itemtype::getTable();
         $request = [
            'FROM'         => 'glpi_softwarelicenses',
            'COUNT'        => 'cpt',
            'INNER JOIN'   => [
               'glpi_items_softwarelicenses' => [
                  'FKEY'   => [
                     'glpi_softwarelicenses'          => 'id',
                     'glpi_items_softwarelicenses'    => 'softwarelicenses_id'
                  ]
               ],
               $itemtable  => [
                  'FKEY'   => [
                     $itemtable                    => 'id',
                     'glpi_items_softwarelicenses' => 'items_id', [
                        'AND' => [
                           'glpi_items_softwarelicenses.itemtype' => $itemtype
                        ]
                     ]
                  ]
               ]
            ],
            'WHERE'        => [
               'glpi_softwarelicenses.softwares_id'      => $softwares_id,
               'glpi_items_softwarelicenses.is_deleted'  => 0
            ] + getEntitiesRestrictCriteria($itemtable)
         ];
         $item = new $itemtype();
         if ($item->maybeDeleted()) {
            $request['WHERE']["$itemtable.is_deleted"] = 0;
         }
         if ($item->maybeTemplate()) {
            $request['WHERE']["$itemtable.is_template"] = 0;
         }
         $count += $DB->request($request)->next()['cpt'];
      }
      return $count;
   }


   /**
    * Show number of installation per entity
    *
    * @param SoftwareLicense $license SoftwareLicense instance
    *
    * @return void
   **/
   static function showForLicenseByEntity(SoftwareLicense $license) {
      global $DB;

      $softwarelicense_id = $license->getField('id');
      $license_table = SoftwareLicense::getTable();
      $item_license_table = self::getTable(__CLASS__);

      if (!Software::canView() || !$softwarelicense_id) {
         return false;
      }

      echo "<div class='center'>";
      echo "<table class='tab_cadre'><tr>";
      echo "<th>".Entity::getTypeName(1)."</th>";
      echo "<th>".__('Number of affected items')."</th>";
      echo "</tr>\n";

      $tot = 0;

      $iterator = $DB->request([
         'SELECT' => ['id', 'completename'],
         'FROM'   => 'glpi_entities',
         'WHERE'  => getEntitiesRestrictCriteria('glpi_entities'),
         'ORDER'  => ['completename']
      ]);

      $tab = "&nbsp;&nbsp;&nbsp;&nbsp;";
      while ($data = $iterator->next()) {
         $itemtype_iterator = $DB->request([
            'SELECT'    => ['itemtype'],
            'DISTINCT'  => true,
            'FROM'      => $item_license_table,
            'LEFT JOIN' => [
               $license_table => [
                  'FKEY'   => [
                     $license_table       => 'id',
                     $item_license_table  => 'softwarelicenses_id'
                  ]
               ]
            ],
            'WHERE'     => [
               $item_license_table.'.softwarelicenses_id'   => $softwarelicense_id
            ] + getEntitiesRestrictCriteria($license_table, '', $data['id'])
         ]);

         $target_types = [];
         while ($type = $itemtype_iterator->next()) {
            $target_types[] = $type['itemtype'];
         }

         if (count($target_types)) {
            echo "<tr class='tab_bg_2'><td colspan='2'>{$data["completename"]}</td></tr>";
            foreach ($target_types as $itemtype) {
               $nb = self::countForLicense($softwarelicense_id, $data['id'], $itemtype);
               echo "<tr class='tab_bg_2'><td>$tab$tab{$itemtype::getTypeName()}</td>";
               echo "<td class='numeric'>{$nb}</td></tr>\n";
               $tot += $nb;
            }
         }
      }

      if ($tot > 0) {
         echo "<tr class='tab_bg_1'><td class='center b'>".__('Total')."</td>";
         echo "<td class='numeric b '>".$tot."</td></tr>\n";
      } else {
         echo "<tr class='tab_bg_1'><td colspan='2 b'>" . __('No item found') . "</td></tr>\n";
      }
      echo "</table></div>";
   }


   /**
    * Show items linked to a License
    *
    * @param SoftwareLicense $license SoftwareLicense instance
    *
    * @return void
   **/
   static function showForLicense(SoftwareLicense $license) {
      global $DB, $CFG_GLPI;

      $searchID = $license->getField('id');

      if (!Software::canView() || !$searchID) {
         return false;
      }

      $canedit         = Session::haveRightsOr("software", [CREATE, UPDATE, DELETE, PURGE]);
      $canshowitems  = [];
      $item_license_table = self::getTable(__CLASS__);

      if (isset($_GET["start"])) {
         $start = $_GET["start"];
      } else {
         $start = 0;
      }

      if (isset($_GET["order"]) && ($_GET["order"] == "DESC")) {
         $order = "DESC";
      } else {
         $order = "ASC";
      }

      if (isset($_GET["sort"]) && !empty($_GET["sort"])) {
         // manage several param like location,compname : order first
         $tmp  = explode(",", $_GET["sort"]);
         $sort = "`".implode("` $order,`", $tmp)."`";
      } else {
         $sort = "`entity` $order, `itemname`";
      }

      //SoftwareLicense ID
      $number = self::countForLicense($searchID);

      echo "<div class='center'>";

      //If the number of linked assets have reached the number defined in the license,
      //and over-quota is not allowed, do not allow to add more assets
      if ($canedit
         && ($license->getField('number') == -1 || $number < $license->getField('number')
         || $license->getField('allow_overquota'))) {
         echo "<form method='post' action='".Item_SoftwareLicense::getFormURL()."'>";
         echo "<input type='hidden' name='softwarelicenses_id' value='$searchID'>";

         echo "<table class='tab_cadre_fixe'>";
         echo "<tr class='tab_bg_2 center'>";
         echo "<td>";

         $rand = mt_rand();
         Dropdown::showItemTypes('itemtype', $CFG_GLPI['software_types'], [
            'value'                 => 'Computer',
            'rand'                  => $rand,
            'width'                 => 'unset',
            'display_emptychoice'   => false
         ]);

         $p = ['idtable'            => '__VALUE__',
            'rand'                  => $rand,
            'name'                  => "items_id",
            'width'                 => 'unset'
         ];

         Ajax::updateItemOnSelectEvent("dropdown_itemtype$rand", "results_itemtype$rand",
            $CFG_GLPI["root_doc"]."/ajax/dropdownAllItems.php", $p);

         // We have a preselected value, so we want to trigger the item list to show immediately
         $js = <<<JAVASCRIPT
$(document).ready(function() {
   $("#dropdown_itemtype$rand").trigger({
      type: 'change'
   });
});
JAVASCRIPT;
         echo Html::scriptBlock($js);

         echo "<span id='results_itemtype$rand'>\n";
         echo "</td>";
         echo "<td><input type='submit' name='add' value=\""._sx('button', 'Add')."\" class='submit'>";
         echo "</td></tr>";

         echo "</table>";
         Html::closeForm();
         $ajax_url = $CFG_GLPI['root_doc'] . '/ajax/dropdownAllItems.php';
         $js = <<<JAVASCRIPT
function updateItemDropdown(itemtype_el) {
   $.ajax({
      method: "POST",
      url: "$ajax_url",
      data: {
         name: 'items_id',
         idtable: itemtype_el.value
      },
      success: function(data) {
         $("[name='items_id']").select2('destroy').empty().replaceWith(data);
      }
   });
}
JAVASCRIPT;
         echo Html::scriptBlock($js);
      }

      if ($number < 1) {
         echo "<table class='tab_cadre_fixe'>";
         echo "<tr><th>".__('No item found')."</th></tr>";
         echo "</table></div>\n";
         return;
      }

      // Display the pager
      Html::printAjaxPager(__('Affected items'), $start, $number);

      $queries = [];
      foreach ($CFG_GLPI['software_types'] as $itemtype) {
         $canshowitems[$itemtype] = $itemtype::canView();
         $itemtable = $itemtype::getTable();
         $query = [
            'SELECT' => [
               $item_license_table . '.*',
               'glpi_softwarelicenses.name AS license',
               'glpi_softwarelicenses.id AS vID',
               'glpi_softwarelicenses.softwares_id AS softid',
               "{$itemtable}.name AS itemname",
               "{$itemtable}.id AS iID",
               new QueryExpression($DB->quoteValue($itemtype)." AS ".$DB::quoteName('item_type')),
            ],
            'FROM'   => $item_license_table,
            'INNER JOIN' => [
               'glpi_softwarelicenses' => [
                  'FKEY'   => [
                     $item_license_table     => 'softwarelicenses_id',
                     'glpi_softwarelicenses' => 'id'
                  ]
               ]
            ],
            'LEFT JOIN' => [
               $itemtable => [
                  'FKEY'   => [
                     $item_license_table     => 'items_id',
                     $itemtable        => 'id', [
                        'AND' => [
                           $item_license_table.'.itemtype'  => $itemtype
                        ]
                     ]
                  ]
               ]
            ],
            'WHERE'     => [
               'glpi_softwarelicenses.id'                   => $searchID,
               'glpi_items_softwarelicenses.is_deleted'     => 0
            ]
         ];
         if ($DB->fieldExists($itemtable, 'serial')) {
            $query['SELECT'][] = $itemtable.'.serial';
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName($itemtable.".serial"));
         }
         if ($DB->fieldExists($itemtable, 'otherserial')) {
            $query['SELECT'][] = $itemtable.'.otherserial';
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName($itemtable.".otherserial"));
         }
         if ($DB->fieldExists($itemtable, 'users_id')) {
            $query['SELECT'][] = 'glpi_users.name AS username';
            $query['SELECT'][] = 'glpi_users.id AS userid';
            $query['SELECT'][] = 'glpi_users.realname AS userrealname';
            $query['SELECT'][] = 'glpi_users.firstname AS userfirstname';
            $query['LEFT JOIN']['glpi_users'] = [
               'FKEY'   => [
                  $itemtable     => 'users_id',
                  'glpi_users'   => 'id'
               ]
            ];
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName($itemtable.".username"));
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('-1')." AS ".$DB->quoteName($itemtable.".userid"));
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName($itemtable.".userrealname"));
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName($itemtable.".userfirstname"));
         }
         if ($DB->fieldExists($itemtable, 'entities_id')) {
            $query['SELECT'][] = 'glpi_entities.completename AS entity';
            $query['LEFT JOIN']['glpi_entities'] = [
               'FKEY'   => [
                  $itemtable     => 'entities_id',
                  'glpi_users'   => 'id'
               ]
            ];
            $query['WHERE'] += getEntitiesRestrictCriteria($itemtable, '', '', true);
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName('entity'));
         }
         if ($DB->fieldExists($itemtable, 'locations_id')) {
            $query['SELECT'][] = 'glpi_locations.completename AS location';
            $query['LEFT JOIN']['glpi_locations'] = [
               'FKEY'   => [
                  $itemtable     => 'locations_id',
                  'glpi_users'   => 'id'
               ]
            ];
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName('location'));
         }
         if ($DB->fieldExists($itemtable, 'states_id')) {
            $query['SELECT'][] = 'glpi_states.name AS state';
            $query['LEFT JOIN']['glpi_states'] = [
               'FKEY'   => [
                  $itemtable     => 'states_id',
                  'glpi_users'   => 'id'
               ]
            ];
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName('state'));
         }
         if ($DB->fieldExists($itemtable, 'groups_id')) {
            $query['SELECT'][] = 'glpi_groups.name AS groupe';
            $query['LEFT JOIN']['glpi_groups'] = [
               'FKEY'   => [
                  $itemtable     => 'groups_id',
                  'glpi_users'   => 'id'
               ]
            ];
         } else {
            $query['SELECT'][] = new QueryExpression(
               $DB->quoteValue('')." AS ".$DB->quoteName('groupe'));
         }
         if ($DB->fieldExists($itemtable, 'is_deleted')) {
            $query['WHERE']["{$itemtable}.is_deleted"] = 0;
         }
         if ($DB->fieldExists($itemtable, 'is_template')) {
            $query['WHERE']["{$itemtable}.is_template"] = 0;
         }
         $queries[] = $query;
      }
      $union = new QueryUnion($queries, true);
      $criteria = [
         'SELECT' => [],
         'FROM'   => $union,
         'ORDER'        => "$sort $order",
         'LIMIT'        => $_SESSION['glpilist_limit'],
         'START'        => $start
      ];
      $iterator = $DB->request($criteria);

      $rand = mt_rand();

      if ($data = $iterator->next()) {
         if ($canedit) {
            Html::openMassiveActionsForm('mass'.__CLASS__.$rand);
            $massiveactionparams = ['num_displayed'    => min($_SESSION['glpilist_limit'], count($iterator)),
                                          'container'        => 'mass'.__CLASS__.$rand,
                                          'specific_actions' => ['purge' => _x('button', 'Delete permanently')]];

            // show transfer only if multi licenses for this software
            if (self::countLicenses($data['softid']) > 1) {
               $massiveactionparams['specific_actions'][__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'move_license'] =_x('button', 'Move');
            }

            // Options to update license
            $massiveactionparams['extraparams']['options']['move']['used'] = [$searchID];
            $massiveactionparams['extraparams']['options']['move']['softwares_id']
                                                                  = $license->fields['softwares_id'];

            Html::showMassiveActions($massiveactionparams);
         }

         $soft       = new Software();
         $soft->getFromDB($license->fields['softwares_id']);
         $showEntity = ($license->isRecursive());
         $linkUser   = User::canView();

         $text = sprintf(__('%1$s = %2$s'), Software::getTypeName(1), $soft->fields["name"]);
         $text = sprintf(__('%1$s - %2$s'), $text, $data["license"]);

         Session::initNavigateListItems($data['item_type'], $text);

         echo "<table class='tab_cadre_fixehov'>";

         $columns = ['item_type' => __('Item type'),
                           'itemname'          => __('Name'),
                           'entity'            => Entity::getTypeName(1),
                           'serial'            => __('Serial number'),
                           'otherserial'       => __('Inventory number'),
                           'location,itemname' => Location::getTypeName(1),
                           'state,itemname'    => __('Status'),
                           'groupe,itemname'   => Group::getTypeName(1),
                           'username,itemname' => User::getTypeName(1)];
         if (!$showEntity) {
            unset($columns['entity']);
         }

         $header_begin  = "<tr>";
         $header_top    = '';
         $header_bottom = '';
         $header_end    = '';
         if ($canedit) {
            $header_begin  .= "<th width='10'>";
            $header_top    .= Html::getCheckAllAsCheckbox('mass'.__CLASS__.$rand);
            $header_bottom .= Html::getCheckAllAsCheckbox('mass'.__CLASS__.$rand);
            $header_end    .= "</th>";
         }

         foreach ($columns as $key => $val) {
            // Non order column
            if ($key[0] == '_') {
               $header_end .= "<th>$val</th>";
            } else {
               $header_end .= "<th".($sort == "`$key`" ? " class='order_$order'" : '').">".
                              "<a href='javascript:reloadTab(\"sort=$key&amp;order=".
                              (($order == "ASC") ?"DESC":"ASC")."&amp;start=0\");'>$val</a></th>";
            }
         }

         $header_end .= "</tr>\n";
         echo $header_begin.$header_top.$header_end;

         do {
            Session::addToNavigateListItems($data['item_type'], $data["iID"]);

            echo "<tr class='tab_bg_2'>";
            if ($canedit) {
               echo "<td>".Html::getMassiveActionCheckBox(__CLASS__, $data["id"])."</td>";
            }

            echo "<td>{$data['item_type']}</td>";
            $itemname = $data['itemname'];
            if (empty($itemname) || $_SESSION['glpiis_ids_visible']) {
               $itemname = sprintf(__('%1$s (%2$s)'), $itemname, $data['iID']);
            }

            if ($canshowitems[$data['item_type']]) {
               echo "<td><a href='".$data['item_type']::getFormURLWithID($data['iID'])."'>$itemname</a></td>";
            } else {
               echo "<td>".$itemname."</td>";
            }

            if ($showEntity) {
               echo "<td>".$data['entity']."</td>";
            }
            echo "<td>".$data['serial']."</td>";
            echo "<td>".$data['otherserial']."</td>";
            echo "<td>".$data['location']."</td>";
            echo "<td>".$data['state']."</td>";
            echo "<td>".$data['groupe']."</td>";
            echo "<td>".formatUserName($data['userid'], $data['username'], $data['userrealname'],
                                       $data['userfirstname'], $linkUser)."</td>";
            echo "</tr>\n";

         } while ($data = $iterator->next());
         echo $header_begin.$header_bottom.$header_end;
         echo "</table>\n";
         if ($canedit) {
            $massiveactionparams['ontop'] = false;
            Html::showMassiveActions($massiveactionparams);
            Html::closeForm();
         }

      } else { // Not found
         echo __('No item found');
      }
      Html::printAjaxPager(__('Affected items'), $start, $number);

      echo "</div>\n";

   }


   /**
    * Update license associated on a computer
    *
    * @param integer $licID               ID of the install software lienk
    * @param integer $softwarelicenses_id ID of the new license
    *
    * @return void
   **/
   function upgrade($licID, $softwarelicenses_id) {

      if ($this->getFromDB($licID)) {
         $items_id = $this->fields['items_id'];
         $itemtype = $this->fields['itemtype'];
         $this->delete(['id' => $licID]);
         $this->add([
            'items_id'              => $items_id,
            'itemtype'              => $itemtype,
            'softwarelicenses_id'   => $softwarelicenses_id]);
      }
   }


   /**
    * Get licenses list corresponding to an installation
    *
    * @param string $itemtype          Type of item
    * @param integer $items_id         ID of the item
    * @param integer $softwareversions_id ID of the version
    *
    * @return void
   **/
   static function getLicenseForInstallation($itemtype, $items_id, $softwareversions_id) {
      global $DB;

      $lic = [];
      $item_license_table = self::getTable(__CLASS__);

      $iterator = $DB->request([
         'SELECT'       => [
            'glpi_softwarelicenses.*',
            'glpi_softwarelicensetypes.name AS type'
         ],
         'FROM'         => 'glpi_softwarelicenses',
         'INNER JOIN'   => [
            $item_license_table  => [
               'FKEY'   => [
                  $item_license_table     => 'softwarelicenses_id',
                  'glpi_softwarelicenses' => 'id'
               ]
            ]
         ],
         'LEFT JOIN'    => [
            'glpi_softwarelicensetypes'   => [
               'FKEY'   => [
                  'glpi_softwarelicenses'       => 'softwarelicensetypes_id',
                  'glpi_softwarelicensetypes'   => 'id'
               ]
            ]
         ],
         'WHERE'        => [
            $item_license_table . '.itemtype'  => $itemtype,
            $item_license_table . '.items_id'  => $items_id,
            'OR'                                => [
               'glpi_softwarelicenses.softwareversions_id_use' => $softwareversions_id,
               'glpi_softwarelicenses.softwareversions_id_buy' => $softwareversions_id
            ]
         ]
      ]);

      while ($data = $iterator->next()) {
         $lic[$data['id']] = $data;
      }
      return $lic;
   }


   /**
    * Duplicate all software licenses from a computer template to its clone
    *
    * @deprecated 9.5
    *
    * @param integer $oldid ID of the computer to clone
    * @param integer $newid ID of the computer cloned
    *
    * @return void
   **/
   static function cloneComputer($oldid, $newid) {
      Toolbox::deprecated('Use clone');
      self::cloneItem('Computer', $oldid, $newid);
   }


   /**
    * Duplicate all software licenses from an item template to its clone
    *
    * @deprecated 9.5
    *
    * @param string  $itemtype Type of the item
    * @param integer $oldid ID of the item to clone
    * @param integer $newid ID of the item cloned
    *
    * @return void
    **/
   static function cloneItem($itemtype, $oldid, $newid) {
      global $DB;

      Toolbox::deprecated('Use clone');
      $iterator = $DB->request([
         'FROM' => 'glpi_items_softwarelicenses',
         'WHERE' => [
            'items_id' => $oldid,
            'itemtype' => $itemtype
         ]
      ]);

      while ($data = $iterator->next()) {
         $csl = new self();
         unset($data['id']);
         $data['items_id'] = $newid;
         $data['itemtype'] = $itemtype;
         $data['_no_history'] = true;

         $csl->add($data);
      }
   }


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

      $nb = 0;
      switch ($item->getType()) {
         case 'SoftwareLicense' :
            if (!$withtemplate) {
               if ($_SESSION['glpishow_count_on_tabs']) {
                  $nb = self::countForLicense($item->getID());
               }
               return [1 => __('Summary'),
                            2 => self::createTabEntry(_n('Item', 'Items', Session::getPluralNumber()),
                                                      $nb)];
            }
            break;
      }
      return '';
   }


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

      if ($item->getType() == 'SoftwareLicense') {
         switch ($tabnum) {
            case 1 :
               self::showForLicenseByEntity($item);
               break;

            case 2 :
               self::showForLicense($item);
               break;
         }
      }
      return true;
   }


   /**
    * Count number of licenses for a software
    *
    * @since 0.85
    *
    * @param integer $softwares_id Software ID
    *
    * @return void
    **/
   static function countLicenses($softwares_id) {
      global $DB;

      $result = $DB->request([
         'FROM'   => 'glpi_softwarelicenses',
         'COUNT'  => 'cpt',
         'WHERE'  => [
            'softwares_id' => $softwares_id
         ] + getEntitiesRestrictCriteria('glpi_softwarelicenses')
      ])->next();
      return $result['cpt'];
   }
}