getAccountId($row); $row['category_id'] = $this->getCategoryId($row, 'income'); $row['contact_id'] = $this->getContactId($row, 'customer'); $row['document_id'] = $this->getDocumentId($row); return $row; } public function rules(): array { $rules = (new Request())->rules(); $rules['invoice_number'] = 'required|string'; return $rules; } }