Ticket #22743: 22743.diff

wp-admin/includes/ajax-actions.php

@@ -1837 +1837 @@
                 wp_send_json_error();
 
         $query = isset( $_REQUEST['query'] ) ? (array) $_REQUEST['query'] : array();
+
         $query = array_intersect_key( $query, array_flip( array(
                 's', 'order', 'orderby', 'posts_per_page', 'paged', 'post_mime_type',
-                'post_parent', 'post__in', 'post__not_in',
+                'post_parent', 'post__in', 'post__not_in', '_query_attachments_post_modified_gmt_since'
         ) ) );
 
         $query['post_type'] = 'attachment';
@@ -1847 +1848 @@
         if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) )
                 $query['post_status'] .= ',private';
 
+        add_filter( 'posts_where', '_query_attachments_post_modified_gmt_since', 10, 2 );
         $query = new WP_Query( $query );
+        remove_filter( 'posts_where', '_query_attachments_post_modified_gmt_since', 10 );
 
         $posts = array_map( 'wp_prepare_attachment_for_js', $query->posts );
         $posts = array_filter( $posts );
@@ -1855 +1858 @@
         wp_send_json_success( $posts );
 }
 
+function _query_attachments_post_modified_gmt_since( $where, $query ) {
+        global $wpdb;
+
+        if ( $modified_since = absint( $query->get('_query_attachments_post_modified_gmt_since') ) ) {
+                $modified_since = gmdate( 'Y-m-d H:i:s', $modified_since );
+                $where .= $wpdb->prepare( " AND $wpdb->posts.post_modified_gmt > %s", $modified_since );
+        }
+
+        return $where;
+}
+
 /**
  * Save attachment attributes.
  *