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<?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; } }

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