function __construct(CheckinRepository $beaconRepository, Manager $manager)
 {
     parent::__construct($manager);
     $this->beaconRepository = $beaconRepository;
 }
 function __construct(CityRepository $cityRepository, Manager $manager)
 {
     parent::__construct($manager);
     $this->cityRepository = $cityRepository;
 }
 function __construct(SightRepository $sightRepository, Manager $manager)
 {
     parent::__construct($manager);
     $this->sightRepository = $sightRepository;
 }