public function scopes()
{
return ['new' => ['condition' => 'status = :status', 'params' => [':status' => self::STATUS_NEW]], 'answered' => ['condition' => 'status = :status', 'params' => [':status' => self::STATUS_ANSWER_SENDED]], 'faq' => ['condition' => 'is_faq = :is_faq', 'params' => [':is_faq' => self::IS_FAQ]]];
}