| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.6 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2015 | |
| 7 | +--------------------------------------------------------------------+ |
| 8 | | This file is a part of CiviCRM. | |
| 9 | | | |
| 10 | | CiviCRM is free software; you can copy, modify, and distribute it | |
| 11 | | under the terms of the GNU Affero General Public License | |
| 12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | |
| 13 | | | |
| 14 | | CiviCRM is distributed in the hope that it will be useful, but | |
| 15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | | See the GNU Affero General Public License for more details. | |
| 18 | | | |
| 19 | | You should have received a copy of the GNU Affero General Public | |
| 20 | | License and the CiviCRM Licensing Exception along | |
| 21 | | with this program; if not, contact CiviCRM LLC | |
| 22 | | at info[AT]civicrm[DOT]org. If you have questions about the | |
| 23 | | GNU Affero General Public License or the licensing of CiviCRM, | |
| 24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | |
| 25 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | namespace Civi\CCase; |
| 28 | |
| 29 | /** |
| 30 | * Class Events |
| 31 | * |
| 32 | * @package Civi\CCase |
| 33 | */ |
| 34 | class Events { |
| 35 | /** |
| 36 | * @var array (int $caseId => bool $active) list of cases for which we are actively firing case-change event |
| 37 | * |
| 38 | * We do not want to fire case-change events recursively. |
| 39 | */ |
| 40 | static $isActive = array(); |
| 41 | |
| 42 | /** |
| 43 | * Following a change to an activity or case, fire the case-change event. |
| 44 | * |
| 45 | * @param \Civi\Core\Event\PostEvent $event |
| 46 | * @throws \CRM_Core_Exception |
| 47 | */ |
| 48 | public static function fireCaseChange(\Civi\Core\Event\PostEvent $event) { |
| 49 | $caseId = NULL; |
| 50 | switch ($event->entity) { |
| 51 | case 'Activity': |
| 52 | if (!empty($event->object->case_id)) { |
| 53 | $caseId = $event->object->case_id; |
| 54 | } |
| 55 | break; |
| 56 | |
| 57 | case 'Case': |
| 58 | // by the time we get the post-delete event, the record is gone, so |
| 59 | // there's nothing to analyze |
| 60 | if ($event->action != 'delete') { |
| 61 | $caseId = $event->id; |
| 62 | } |
| 63 | break; |
| 64 | |
| 65 | default: |
| 66 | throw new \CRM_Core_Exception("CRM_Case_Listener does not support entity {$event->entity}"); |
| 67 | } |
| 68 | |
| 69 | if ($caseId) { |
| 70 | if (!isset(self::$isActive[$caseId])) { |
| 71 | $tx = new \CRM_Core_Transaction(); |
| 72 | \CRM_Core_Transaction::addCallback( |
| 73 | \CRM_Core_Transaction::PHASE_POST_COMMIT, |
| 74 | array(__CLASS__, 'fireCaseChangeForRealz'), |
| 75 | array($caseId), |
| 76 | "Civi_CCase_Events::fire::{$caseId}" |
| 77 | ); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @param $caseId |
| 84 | */ |
| 85 | public static function fireCaseChangeForRealz($caseId) { |
| 86 | if (!isset(self::$isActive[$caseId])) { |
| 87 | $tx = new \CRM_Core_Transaction(); |
| 88 | self::$isActive[$caseId] = 1; |
| 89 | $analyzer = new \Civi\CCase\Analyzer($caseId); |
| 90 | \CRM_Utils_Hook::caseChange($analyzer); |
| 91 | unset(self::$isActive[$caseId]); |
| 92 | unset($tx); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Find any extra listeners declared in XML and pass the event along to them. |
| 98 | * |
| 99 | * @param \Civi\CCase\Event\CaseChangeEvent $event |
| 100 | */ |
| 101 | public static function delegateToXmlListeners(\Civi\CCase\Event\CaseChangeEvent $event) { |
| 102 | $p = new \CRM_Case_XMLProcessor_Process(); |
| 103 | $listeners = $p->getListeners($event->analyzer->getCaseType()); |
| 104 | foreach ($listeners as $listener) { |
| 105 | /** @var $listener \Civi\CCase\CaseChangeListener */ |
| 106 | $listener->onCaseChange($event); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | } |