Further removal of instance of using LOWER() rather than relying on mysql non-case...

[civicrm-core.git] / CRM / Extension / Upgrades.php

<?php
/*
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 | CiviCRM version 5                                                  |
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 | Copyright CiviCRM LLC (c) 2004-2018                                |
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 | This file is a part of CiviCRM.                                    |
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 | 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.   |
 |                                                                    |
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 | See the GNU Affero General Public License for more details.        |
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 */

/**
 * This class stores logic for managing schema upgrades in CiviCRM extensions.
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2018
 */
class CRM_Extension_Upgrades {

  const QUEUE_NAME = 'ext-upgrade';

  /**
   * Determine whether any extensions have pending upgrades.
   *
   * @return bool
   */
  public static function hasPending() {
    $checks = CRM_Utils_Hook::upgrade('check');
    if (is_array($checks)) {
      foreach ($checks as $check) {
        if ($check) {
          return TRUE;
        }
      }
    }

    return FALSE;
  }

  /**
   * Fill a queue with upgrade tasks.
   *
   * @return CRM_Queue_Queue
   */
  public static function createQueue() {
    $queue = CRM_Queue_Service::singleton()->create(array(
      'type' => 'Sql',
      'name' => self::QUEUE_NAME,
      'reset' => TRUE,
    ));

    CRM_Utils_Hook::upgrade('enqueue', $queue);

    return $queue;
  }

}