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<?php /** * The file that enable builder revisions. * * Themify_Builder_Revisions class provide hooks and filter to WP Revisions API * This enable builder being tracked by WP Revisions and able to restore * the revision for builder. * * * @package Themify_Builder * @subpackage Themify_Builder/classes / /* * The Builder Revision class. * * This is used to handle all revisions operation and method. * * * @package Themify_Builder * @subpackage Themify_Builder/classes * @author Themify / final class Themify_Builder_Revisions { const REVISION_LIMIT = 50; /* * Constructor. * * @param object Themify_Builder $builder / public static function init() { $ajax_events = array( 'load_revision_lists', 'save_revision', 'restore_revision_page', 'delete_revision' ); foreach ($ajax_events as $ajax_event) { add_action('wp_ajax_tb_' . $ajax_event, array(__CLASS__, $ajax_event)); } add_filter('_wp_post_revision_fields', array(__CLASS__, 'post_revision_fields'), 10, 2); add_action('wp_restore_post_revision', array(__CLASS__, 'restore_revision'), 10, 2); } /* * Ajax Get all post revisions list. * * @access public / public static function load_revision_lists() { check_ajax_referer('tf_nonce', 'nonce'); if ( empty( $_POST['bid'] ) \|\| ! current_user_can( 'read_post', $_POST['bid'] ) ) { die; } $post_id = (int) $_POST['bid']; $revisions = wp_get_post_revisions($post_id, array( 'posts_per_page' => self::REVISION_LIMIT, )); $can_edit_post = $post_id === 0 ? true : current_user_can('edit_post', $post_id); include THEMIFY_BUILDER_INCLUDES_DIR . '/tpl/tmpl-revisions.php'; wp_die(); } /* * Hook themify builder field to revisions fields. * * @access public * @param array $fields * @return array / public static function post_revision_fields($fields, $post) { if (function_exists('wp_print_revision_templates')) { $fields[ThemifyBuilder_Data_Manager::META_KEY] = esc_html__('Themify Builder', 'themify'); add_filter('_wp_post_revision_field__themify_builder_settings_json', array(__CLASS__, 'post_revision_field'), 10, 4); } return $fields; } /* * Render the builder output in revision compare slider. * * @access public * @param string $value * @param string $field * @return string / public static function post_revision_field($value, $field, $revision, $type) { if (is_object($revision)) { $builder_data = ThemifyBuilder_Data_Manager::get_data($revision->ID); if (!empty($builder_data)) { return Themify_Builder_Component_Base::retrieve_template('builder-output.php', array('builder_output' => $builder_data, 'builder_id' => $revision->ID), THEMIFY_BUILDER_TEMPLATES_DIR, '', false); } } } /* * Ajax save revision. * * @access public / public static function save_revision() { check_ajax_referer('tf_nonce', 'nonce'); / set a default limit for revisions / if (!defined('WP_POST_REVISIONS')) { define('WP_POST_REVISIONS', self::REVISION_LIMIT); } if ( isset( $_POST['data'] ) ) { $data = stripslashes_deep( $_POST['data'] ); } elseif ( isset( $_FILES['data'] ) ) { $data = file_get_contents( $_FILES['data']['tmp_name'] ); } if(!empty($data)){ $data = json_decode( $data, true ); if(!empty($data)){ $post_id = (int) $_POST['bid']; $post = get_post($post_id); $rev_comment = !empty($_POST['rev_comment']) ? sanitize_text_field($_POST['rev_comment']) : ''; if (!current_user_can('edit_post', $post_id)) wp_send_json_error(esc_html__('Error. You do not have access to save revision.', 'themify')); if (!self::is_revision_enabled($post)) wp_send_json_error(esc_html__('Error. The revision is not enable in this post or has been reach the revision post limit.', 'themify')); if (is_object($post)) { $post = get_object_vars($post); } unset($post['post_modified'], $post['post_modified_gmt']); $new_revision_id = _wp_put_post_revision($post); $results=array(); if (!is_wp_error($new_revision_id)) { if (!empty($rev_comment)) { update_metadata('post', $new_revision_id, '_builder_custom_rev_comment', $rev_comment); } $custom_css=isset( $_POST['custom_css'] )?$_POST['custom_css']:null; $results = ThemifyBuilder_Data_Manager::save_data($data, $new_revision_id, $_POST['sourceEditor'],$custom_css); } if(!empty($results['mid'])){ wp_send_json_success($new_revision_id); } else { if(!is_wp_error($new_revision_id)){ wp_delete_post_revision($new_revision_id); } wp_send_json_error(esc_html__('Cannot save revision, please try again.', 'themify')); } } else{ wp_send_json_success(); } } else{ wp_send_json_error(esc_html__('Cannot save revision, please try again.', 'themify')); } wp_die(); } /* * Hook to restore revision. * * @access public * @param int $post_id * @param int $rev_id / public static function restore_revision($post_id, $rev_id) { $builder_data = ThemifyBuilder_Data_Manager::get_data($rev_id); if (!empty($builder_data)) { ThemifyBuilder_Data_Manager::save_data($builder_data, $post_id); } } /* * Ajax restore revision. * * @access public / public static function restore_revision_page() { check_ajax_referer('tf_nonce', 'nonce'); $rev_id = (int) $_POST['revid']; $revision = wp_get_post_revision($rev_id); if (!current_user_can('edit_post', $revision->post_parent)) { wp_send_json_error(esc_html__('Error. You do not have access to restore revision.', 'themify')); return; } if ($revision) { wp_send_json(array('builder_data' => ThemifyBuilder_Data_Manager::get_data($rev_id),'custom_css'=>get_post_meta($rev_id,'tbp_custom_css',true))); } else { wp_send_json_error(esc_html__('Revision post is not found or invalid ID', 'themify')); } wp_die(); } /* * Ajax delete revision. * * @access public * @return json / public static function delete_revision() { check_ajax_referer('tf_nonce', 'nonce'); $rev_id = (int) $_POST['revid']; $revision = wp_get_post_revision($rev_id); if (!current_user_can('edit_post', $revision->post_parent)) { wp_send_json_error(esc_html__('Error. You do not have access to delete revision.', 'themify')); return; } $delete = wp_delete_post_revision($rev_id); if (!is_wp_error($delete)) { wp_send_json_success($rev_id); } else { wp_send_json_error(esc_html__('Unable to delete this revision, please try again!', 'themify')); } wp_die(); } /* * create builder revision * * @access public * @param int $post_id * @param object $post / public static function create_revision($post_id, $builder_data, $action) { if (!wp_is_post_revision($post_id)) { $post = get_post($post_id); if (!empty($post) && 'auto-draft' !== $post->post_status && wp_revisions_enabled($post) && post_type_supports($post->post_type, 'revisions')) { unset($post->post_modified, $post->post_modified_gmt); $rev_id = _wp_put_post_revision($post); if (!is_wp_error($rev_id)) { if (empty($builder_data)) { $builder_data = array(); } ThemifyBuilder_Data_Manager::save_data($builder_data, $rev_id, $action); return $rev_id; } } } return false; } /* * Check if revision has builder data. * * @access public * @param int $post_id * @return boolean */ public static function check_has_builder($post_id) { $builder_data = get_metadata('post', $post_id, ThemifyBuilder_Data_Manager::META_KEY, true); return !empty($builder_data); } public static function is_revision_enabled($post){ $p=get_post($post); return wp_revisions_enabled($p) && post_type_supports($p->post_type, 'revisions'); } }

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