isEmpty($row, $this->type . '_number')) { return []; } $row = parent::map($row); $row['document_id'] = (int) Document::{$this->type}()->number($row[$this->type . '_number'])->pluck('id')->first(); $row['type'] = $this->type; return $row; } public function rules(): array { $rules = (new Request())->rules(); if ($this->type === Document::INVOICE_TYPE) { $rules['invoice_number'] = 'required|string'; } else { $rules['bill_number'] = 'required|string'; } unset($rules['invoice_id'], $rules['bill_id']); return $rules; } }