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<?php

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/**

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* @package Freemius

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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3

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* @since 2.1.0

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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require_once WP_FS__DIR_INCLUDES . '/class-fs-lock.php';

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/**

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* Class FS_User_Lock

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class FS_User_Lock {

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/**

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* @var FS_Lock

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private $_lock;

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#--------------------------------------------------------------------------------

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#region Singleton

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#--------------------------------------------------------------------------------

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/**

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* @var FS_User_Lock

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private static $_instance;

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/**

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* @author Vova Feldman (@svovaf)

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* @since 2.1.0

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* @return FS_User_Lock

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static function instance() {

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if ( ! isset( self::$_instance ) ) {

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self::$_instance = new self();

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}

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return self::$_instance;

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}

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#endregion

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private function __construct() {

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$current_user_id = Freemius::get_current_wp_user_id();

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$this->_lock = new FS_Lock( "locked_{$current_user_id}" );

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}

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/**

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* Try to acquire lock. If the lock is already set or is being acquired by another locker, don't do anything.

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* @author Vova Feldman (@svovaf)

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* @since 2.1.0

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* @param int $expiration

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* @return bool TRUE if successfully acquired lock.

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function try_lock( $expiration = 0 ) {

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return $this->_lock->try_lock( $expiration );

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}

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/**

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* Acquire lock regardless if it's already acquired by another locker or not.

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* @author Vova Feldman (@svovaf)

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* @since 2.1.0

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* @param int $expiration

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function lock( $expiration = 0 ) {

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$this->_lock->lock( $expiration );

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}

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/**

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* Unlock the lock.

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* @author Vova Feldman (@svovaf)

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* @since 2.1.0

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function unlock() {

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$this->_lock->unlock();

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}

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}

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