public IActionResult GetMachines(int factoryId) { if (!_factoryRepository.FactoryExists(factoryId)) { return(NotFound()); } var machinesInFactoryFromRepo = _factoryRepository.GetMachines(factoryId); var machineInFactory = Mapper.Map <IEnumerable <MachineDto> >(machinesInFactoryFromRepo); return(Ok(machineInFactory)); }