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class-fs-user-lock.php
90 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package Freemius |
| 4 | * @copyright Copyright (c) 2015, Freemius, Inc. |
| 5 | * @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3 |
| 6 | * @since 2.1.0 |
| 7 | */ |
| 8 | |
| 9 | if ( ! defined( 'ABSPATH' ) ) { |
| 10 | exit; |
| 11 | } |
| 12 | |
| 13 | require_once WP_FS__DIR_INCLUDES . '/class-fs-lock.php'; |
| 14 | |
| 15 | /** |
| 16 | * Class FS_User_Lock |
| 17 | */ |
| 18 | class FS_User_Lock { |
| 19 | /** |
| 20 | * @var FS_Lock |
| 21 | */ |
| 22 | private $_lock; |
| 23 | |
| 24 | #-------------------------------------------------------------------------------- |
| 25 | #region Singleton |
| 26 | #-------------------------------------------------------------------------------- |
| 27 | |
| 28 | /** |
| 29 | * @var FS_User_Lock |
| 30 | */ |
| 31 | private static $_instance; |
| 32 | |
| 33 | /** |
| 34 | * @author Vova Feldman (@svovaf) |
| 35 | * @since 2.1.0 |
| 36 | * |
| 37 | * @return FS_User_Lock |
| 38 | */ |
| 39 | static function instance() { |
| 40 | if ( ! isset( self::$_instance ) ) { |
| 41 | self::$_instance = new self(); |
| 42 | } |
| 43 | |
| 44 | return self::$_instance; |
| 45 | } |
| 46 | |
| 47 | #endregion |
| 48 | |
| 49 | private function __construct() { |
| 50 | $current_user_id = Freemius::get_current_wp_user_id(); |
| 51 | |
| 52 | $this->_lock = new FS_Lock( "locked_{$current_user_id}" ); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Try to acquire lock. If the lock is already set or is being acquired by another locker, don't do anything. |
| 57 | * |
| 58 | * @author Vova Feldman (@svovaf) |
| 59 | * @since 2.1.0 |
| 60 | * |
| 61 | * @param int $expiration |
| 62 | * |
| 63 | * @return bool TRUE if successfully acquired lock. |
| 64 | */ |
| 65 | function try_lock( $expiration = 0 ) { |
| 66 | return $this->_lock->try_lock( $expiration ); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Acquire lock regardless if it's already acquired by another locker or not. |
| 71 | * |
| 72 | * @author Vova Feldman (@svovaf) |
| 73 | * @since 2.1.0 |
| 74 | * |
| 75 | * @param int $expiration |
| 76 | */ |
| 77 | function lock( $expiration = 0 ) { |
| 78 | $this->_lock->lock( $expiration ); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Unlock the lock. |
| 83 | * |
| 84 | * @author Vova Feldman (@svovaf) |
| 85 | * @since 2.1.0 |
| 86 | */ |
| 87 | function unlock() { |
| 88 | $this->_lock->unlock(); |
| 89 | } |
| 90 | } |