hasOne(Company::class, 'id', 'company_id')->bind(['company_name']); } public function company() { return $this->hasOne(Company::class, 'id', 'company_id'); } public function partyA() { return $this->hasOne(Company::class, 'id', 'party_a')->bind(['party_a_name'=>'company_name']); } public function partyB() { return $this->hasOne(Company::class, 'id', 'party_b')->bind(['party_b_name'=>'company_name']); } public function contractType() { return $this->hasOne(DictData::class, 'id', 'contract_type')->bind(['contract_type_name'=>'name']); } public function getContractTypeNameAttr($value) { return DictData::where(['id' => $this->contract_type])->value('name'); } }