/**
  * Execute the command.
  *
  * @param CarrierRepository $carriers
  * @return Carrier
  */
 public function handle(CarrierRepository $carriers)
 {
     if ($this->is_default_carrier) {
         try {
             $carrier = $carriers->findDefaultCarrier()->fill(['is_default_carrier' => false]);
             $carriers->save($carrier);
         } catch (ModelNotFoundException $e) {
         }
     }
     $carrier = $carriers->findById($this->id)->fill($this->getProperties());
     $carriers->save($carrier);
     return $carrier;
 }
 /**
  * Execute the command.
  *
  * @param CarrierRepository $carriers
  * @return Carrier
  */
 public function handle(CarrierRepository $carriers)
 {
     $carrier = Carrier::register($this->name);
     try {
         $carriers->findDefaultCarrier();
     } catch (ModelNotFoundException $e) {
         $carrier->is_default_carrier = true;
     }
     $carriers->save($carrier);
     return $carrier;
 }