| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.5 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
| 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 | |
| 28 | /** |
| 29 | * This class stores logic for managing schema upgrades in CiviCRM extensions. |
| 30 | * |
| 31 | * @package CRM |
| 32 | * @copyright CiviCRM LLC (c) 2004-2014 |
| 33 | * $Id$ |
| 34 | * |
| 35 | */ |
| 36 | class CRM_Extension_Upgrades { |
| 37 | |
| 38 | const QUEUE_NAME = 'ext-upgrade'; |
| 39 | |
| 40 | /** |
| 41 | * Determine whether any extensions have pending upgrades |
| 42 | * |
| 43 | * @return bool |
| 44 | */ |
| 45 | static function hasPending() { |
| 46 | $checks = CRM_Utils_Hook::upgrade('check'); |
| 47 | if (is_array($checks)) { |
| 48 | foreach ($checks as $check) { |
| 49 | if ($check) { |
| 50 | return TRUE; |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | return FALSE; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Fill a queue with upgrade tasks |
| 60 | * |
| 61 | * @return CRM_Queue_Queue |
| 62 | */ |
| 63 | static function createQueue() { |
| 64 | $queue = CRM_Queue_Service::singleton()->create(array( |
| 65 | 'type' => 'Sql', |
| 66 | 'name' => self::QUEUE_NAME, |
| 67 | 'reset' => TRUE, |
| 68 | )); |
| 69 | |
| 70 | CRM_Utils_Hook::upgrade('enqueue', $queue); |
| 71 | |
| 72 | return $queue; |
| 73 | } |
| 74 | |
| 75 | } |