input = $input; } /** * @param string $attribute * @param mixed $value * @return bool */ public function passes($attribute, $value) { return $this->checkIfInvoiceNumberUnique(); //if it exists, return false! } /** * @return string */ public function message() { return "Invoice number already taken"; } /** * @param $email * * //off,when_sent,when_paid * * @return bool */ private function checkIfInvoiceNumberUnique($value) : bool { return Invoice::where('client_id', $this->input['client_id']) ->where('number', $this->input['number']) ->withTrashed() ->exists(); } }