private readonly ILogger <ActivityService> _logger; public SubscriberService(FitnessClubEventsContext fitnessClubEventsContext, IMapper mapper, ILogger <ActivityService> logger)
 {
     _fitnessClubEventsContext = fitnessClubEventsContext;
     _mapper = mapper;
     _logger = logger;
 }
 public ActivityService(FitnessClubEventsContext fitnessClubEventsContext, IMapper mapper, ILogger <ActivityService> logger)
 {
     _fitnessClubEventsContext = fitnessClubEventsContext;
     _mapper = mapper;
     _logger = logger;
 }