added completness check

includes/activity/class-base-object.php

@@ -746,5 +746,37 @@ class Base_Object {
 		return $this;
 	}
 
+	public function check_jsonld_completeness() {
+		// Just a debugging helper function
+		$vars = get_object_vars( $this );
+		$total_var_count = count( $vars );
 
+		$unset_var_array = array();
+
+		foreach ( $vars as $key => $value ) {
+			// ignore all _prefixed keys.
+			if ( '_' === substr( $key, 0, 1 ) ) {
+				--$total_var_count;
+				continue;
+			}
+
+			// if value is empty, try to get it from a getter.
+			if ( ! $value ) {
+				$value = call_user_func( array( $this, 'get_' . $key ) );
+			}
+
+			// if value is still empty, ignore it for the array and continue.
+			if ( ! isset( $value ) ) {
+				$unset_var_array[] = $key;
+			}
+		}
+		$unset_var_count = count( $unset_var_array );
+
+		return array(
+			'total_var_count' => $total_var_count,
+			'unset_var_count' => $unset_var_count,
+			'set_var_count' => $total_var_count - $unset_var_count,
+			'unset_vars' => $unset_var_array,
+		);
+	}
 }