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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
/**
* Represents a dependency relation between project tasks
* Possible link types are "finish_to_start":"0", "start_to_start":"1", "finish_to_finish":"2", "start_to_finish":"3"
*
* @since 9.5.4
*
*/
class ProjectTaskLink extends CommonDBRelation
{
// From CommonDBRelation
public static $itemtype_1 = 'ProjectTask';
public static $items_id_1 = 'projecttasks_id_source';
public static $itemtype_2 = 'ProjectTask';
public static $items_id_2 = 'projecttasks_id_target';
public function getFromDBForItemIDs($projecttaskIds)
{
global $DB;
$iterator = $DB->request([
'SELECT' => ['glpi_projecttasklinks.*'],
'FROM' => 'glpi_projecttasklinks',
'WHERE' => "projecttasks_id_source IN (" . $projecttaskIds . ") AND projecttasks_id_target IN (" . $projecttaskIds . ")"
]);
return $iterator;
}
public function checkIfExist($taskLink)
{
global $DB;
$iterator = $DB->request([
'SELECT' => 'id',
'FROM' => self::getTable(),
'WHERE' => [
'AND' => ['projecttasks_id_source' => $taskLink['projecttasks_id_source']
],
['projecttasks_id_target' => $taskLink['projecttasks_id_target']],
['type' => $taskLink['type']]
]
]);
return count($iterator) > 0;
}
}