public static function find($onlyDeleted = null) { if (is_null($onlyDeleted)) { return parent::find()->where([self::tableName() . '.delete' => 0]); } elseif ($onlyDeleted === true) { return parent::find()->where([self::tableName() . '.delete' => 1]); } elseif ($onlyDeleted === false) { return parent::find(); } }