'required', 'user_id' => 'required', ]; public function alreadyAnswered($surveyId, $userId) { return $this->where([ 'survey_id' => $surveyId, 'user_id' => $userId, ])->countAllResults(); } public function getEncuestasContestadas() { return $this ->join('survey_set', 'survey_user.survey_id = survey_set.id') ->join('users', 'survey_user.user_id = users.id') ->join('prestador', 'users.idprestador = prestador.idprestador') ->findAll(); } }