public BeaconActivityController(IBeaconActivityService beaconActivityService, IHostingEnvironment env)
 {
     _beaconActivityService = beaconActivityService;
     hostingEnvironment     = env ?? throw new ArgumentNullException(nameof(env));
 }
 public BeaconActivityController(IBeaconActivityService beaconActivityService)
 {
     _beaconActivityService = beaconActivityService;
 }