← All changes | includes/class-convertkit-gutenberg.php +56 -0 3.3.6 → 3.4.5 View file →

		@@ -37,8 +37,64 @@
37	37
38	38	// Register REST API routes.
39	39	add_action( 'rest_api_init', array( $this, 'register_routes' ) );
40	40
	41	+ // Delete duplicate Post Meta rows before WordPress updates them.
	42	+ add_filter( 'update_post_metadata', array( $this, 'maybe_delete_duplicate_post_meta' ), 10, 5 );
	43	+
	44	+ }
	45	+
	46	+ /**
	47	+ * Deletes duplicate Post Meta rows for the Plugin's Post Meta key, before WordPress updates them,
	48	+ * which have been created by third party Plugins, migrations, or other code.
	49	+ *
	50	+ * @since 3.4.5
	51	+ *
	52	+ * @param null $check Whether to short circuit the update.
	53	+ * @param int $post_id Post ID.
	54	+ * @param string $meta_key Meta key.
	55	+ * @param mixed $meta_value Meta value.
	56	+ * @param mixed $prev_value Previous meta value to update.
	57	+ * @return null|bool Whether to short circuit the update.
	58	+ */
	59	+ public function maybe_delete_duplicate_post_meta( $check, $post_id, $meta_key, $meta_value, $prev_value ) {
	60	+
	61	+ // Bail if this isn't the Plugin's Post Meta key.
	62	+ if ( $meta_key !== ConvertKit_Post::POST_META_KEY ) {
	63	+ return $check;
	64	+ }
	65	+
	66	+ // Bail if a previous value is specified, as WordPress will only update matching rows.
	67	+ if ( ! empty( $prev_value ) ) {
	68	+ return $check;
	69	+ }
	70	+
	71	+ // Bail if no duplicate rows exist.
	72	+ $convertkit_post = new ConvertKit_Post( $post_id );
	73	+ $rows = $convertkit_post->get_meta_rows();
	74	+ if ( count( $rows ) < 2 ) {
	75	+ return $check;
	76	+ }
	77	+
	78	+ // Delete all but the most recent row.
	79	+ $row = array_pop( $rows );
	80	+ foreach ( $rows as $duplicate_row ) {
	81	+ delete_metadata_by_mid( 'post', $duplicate_row->meta_id );
	82	+ }
	83	+
	84	+ // Restore the Post in the Member Content cache, as deleting the above rows removed it.
	85	+ $value = maybe_unserialize( $row->meta_value );
	86	+ WP_ConvertKit()->get_class( 'restrict_content_cache' )->on_meta_change( 0, $post_id, $meta_key, $value );
	87	+
	88	+ // If the remaining row already holds the value WordPress is about to store, tell WordPress
	89	+ // the update succeeded, as there's nothing to change. Without this, WordPress' own check for
	90	+ // a single unchanged row returns false, and the block editor still cannot save the Post.
	91	+ if ( $value === $meta_value ) {
	92	+ return true;
	93	+ }
	94	+
	95	+ return $check;
	96	+
41	97	}
42	98
43	99	/**
44	100	* Register REST API routes.