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document-lock-manager.php

<?php
namespace Elementor\Modules\Components;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Manages document locking for Elementor documents.
 *
 * This class handles locking/unlocking documents to prevent multiple users
 * from editing the same document simultaneously.
 */
class Document_Lock_Manager {
	// 5 minutes
	const DEFAULT_TIME = 60 * 5;

private $lock_duration;
	private const LOCK_USER_META = '_lock_user';
	private const LOCK_TIME_META = '_lock_time';
	private const LOCK_EDIT_LOCK_META = '_edit_lock';

/**
	 * Initialize the lock manager.
	 *
	 * @param int $lock_duration Lock duration in seconds (default: 300 = 5 minutes)
	 */
	public function __construct( $lock_duration = self::DEFAULT_TIME ) {
		$this->lock_duration = $lock_duration;
	}

/**
	 * Lock a document for the current user.
	 *
	 * @param int $document_id The document ID to lock
	 * @return bool True if lock was successful, false otherwise
	 */
	public function lock( $document_id ) {
		try {
			$user_id = get_current_user_id();
			if ( ! $user_id ) {
				return false;
			}

$post = get_post( $document_id );
			if ( ! $post ) {
				return false;
			}

if ( $this->is_lock_expired( $document_id ) ) {
				$this->unlock( $document_id );
			}

$existing_lock = $this->get_lock_data( $document_id );
			if ( $existing_lock['locked_by'] ) {
				return false;
			}

update_post_meta( $document_id, self::LOCK_USER_META, $user_id );
			update_post_meta( $document_id, self::LOCK_TIME_META, time() );

if ( ! function_exists( 'wp_set_post_lock' ) ) {
				require_once ABSPATH . 'wp-admin/includes/post.php';
			}

wp_set_post_lock( $document_id );

return true;
		} catch ( \Exception $e ) {
			error_log( 'Document lock error: ' . $e->getMessage() );
			return false;
		}
	}

/**
	 * Unlock a document.
	 *
	 * @param int $document_id The document ID to unlock
	 * @return bool True if unlock was successful, false otherwise
	 */
	public function unlock( $document_id ) {
		try {

delete_post_meta( $document_id, self::LOCK_USER_META );
			delete_post_meta( $document_id, self::LOCK_TIME_META );
			delete_post_meta( $document_id, self::LOCK_EDIT_LOCK_META );

return true;
		} catch ( \Exception $e ) {
			error_log( 'Document unlock error: ' . $e->getMessage() );
			return false;
		}
	}

/**
	 * Check if a document is currently locked.
	 *
	 * @param int $document_id The document ID to check
	 * @return array Lock data with 'locked_by' (int|null), 'locked_at' (int|null)
	 */
	public function get_lock_data( $document_id ) {
		$locked_by = $this->get_document_lock_user( $document_id );
		$locked_at = $this->get_document_lock_time( $document_id );

return [
			'locked_by' => $locked_by,
			'locked_at' => $locked_at,
		];
	}

/**
	 * Check if a document lock has expired.
	 *
	 * @param int $document_id The document ID to check
	 * @return bool True if lock exists and is expired, false if not locked or not expired
	 */
	public function is_lock_expired( $document_id ) {
		$lock_data = $this->get_lock_data( $document_id );
		if ( ! $lock_data['locked_by'] ) {
			return false;
		}

return $lock_data['locked_at'] && (int) $lock_data['locked_at'] + $this->lock_duration <= time();
	}

/**
	 * Extend the lock for a document.
	 *
	 * @param int $document_id The document ID
	 * @return bool True if extended successfully, false if not locked or locked by another user
	 */
	public function extend_lock( $document_id ) {
		$lock_data = $this->get_lock_data( $document_id );
		if ( ! $lock_data['locked_by'] ) {
			return false;
		}

$current_user_id = get_current_user_id();
		if ( (int) $lock_data['locked_by'] !== (int) $current_user_id ) {
			return false;
		}

update_post_meta( $document_id, self::LOCK_TIME_META, time() );
		return true;
	}

public function get_document_lock_user( $document_id ) {
		$lock_user_meta = get_post_meta( $document_id, self::LOCK_USER_META, true );
		if ( $lock_user_meta ) {
			return (int) $lock_user_meta;
		}

if ( ! function_exists( 'wp_check_post_lock' ) ) {
			require_once ABSPATH . 'wp-admin/includes/post.php';
		}

$wp_lock_user = wp_check_post_lock( $document_id );
		return $wp_lock_user ? (int) $wp_lock_user : null;
	}

/**
	 * Get the lock time of a document.
	 *
	 * @param int $document_id The document ID to check
	 * @return int|null Lock time, or null if not locked
	 */
	public function get_document_lock_time( $document_id ) {
		$lock_time = get_post_meta( $document_id, self::LOCK_TIME_META, true );
		if ( $lock_time ) {
			return (int) $lock_time;
		}

return null;
	}
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
..	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
documents	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
overridable-props	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
prop-types	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
styles	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
transformers	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
utils	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
widgets	dir	-	capdqclb/capdqclb	drwxr-xr-x	2026-04-21 05:56:49
.htaccess	text/plain	123 B	capdqclb/capdqclb	-rw-r--r--	2026-04-21 05:56:49
circular-dependency-validator.php	text/x-php	4.52 KB	capdqclb/capdqclb	-rw-r--r--	2026-02-02 02:52:12
component-lock-manager.php	text/x-php	3.61 KB	capdqclb/capdqclb	-rw-r--r--	2025-12-22 05:25:58
components-access-controller.php	text/x-php	1.39 KB	capdqclb/capdqclb	-rw-r--r--	2026-03-30 01:49:26
components-repository.php	text/x-php	5.76 KB	capdqclb/capdqclb	-rw-r--r--	2026-02-02 02:52:12
components-rest-api.php	text/x-php	21.37 KB	capdqclb/capdqclb	-rw-r--r--	2026-04-13 07:21:04
document-lock-manager.php	text/x-php	4.5 KB	capdqclb/capdqclb	-rw-r--r--	2025-12-22 05:25:58
module.php	text/x-php	5.86 KB	capdqclb/capdqclb	-rw-r--r--	2026-04-01 05:39:50
non-atomic-widget-validator.php	text/x-php	2.59 KB	capdqclb/capdqclb	-rw-r--r--	2026-02-02 02:52:12
overridable-schema-extender.php	text/x-php	927 B	capdqclb/capdqclb	-rw-r--r--	2026-02-02 02:52:12
save-components-validator.php	text/x-php	2.35 KB	capdqclb/capdqclb	-rw-r--r--	2026-02-02 02:52:12