Update copyright date for 2020

[civicrm-core.git] / Civi / Api4 / Event / Subscriber / ActivitySchemaMapSubscriber.php

<?php

/*
 +--------------------------------------------------------------------+
 | CiviCRM version 5                                                  |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2020                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM 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 Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2020
 * $Id$
 *
 */


namespace Civi\Api4\Event\Subscriber;

use Civi\Api4\Event\Events;
use Civi\Api4\Event\SchemaMapBuildEvent;
use Civi\Api4\Service\Schema\Joinable\ActivityToActivityContactAssigneesJoinable;
use Civi\Api4\Service\Schema\Joinable\BridgeJoinable;
use Civi\Api4\Service\Schema\Joinable\Joinable;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class ActivitySchemaMapSubscriber implements EventSubscriberInterface {

  /**
   * @return array
   */
  public static function getSubscribedEvents() {
    return [
      Events::SCHEMA_MAP_BUILD => 'onSchemaBuild',
    ];
  }

  /**
   * @param \Civi\Api4\Event\SchemaMapBuildEvent $event
   */
  public function onSchemaBuild(SchemaMapBuildEvent $event) {
    $schema = $event->getSchemaMap();
    $table = $schema->getTableByName('civicrm_activity');

    $middleAlias = \CRM_Utils_String::createRandom(10, implode(range('a', 'z')));
    $middleLink = new ActivityToActivityContactAssigneesJoinable($middleAlias);

    $bridge = new BridgeJoinable('civicrm_contact', 'id', 'assignees', $middleLink);
    $bridge->setBaseTable('civicrm_activity_contact');
    $bridge->setJoinType(Joinable::JOIN_TYPE_ONE_TO_MANY);

    $table->addTableLink('contact_id', $bridge);
  }

}