isEmpty($row, 'invoice_number')) { return []; } $row['invoice_number'] = (string) $row['invoice_number']; $row = parent::map($row); $row['document_id'] = (int) Document::invoice()->number($row['invoice_number'])->pluck('id')->first(); $row['type'] = Document::INVOICE_TYPE; return $row; } public function prepareRules(array $rules): array { $rules['invoice_number'] = 'required|string'; unset($rules['invoice_id']); return $rules; } }