public JoinToRoomHandler(IMediator mediator, IChatCacheModule chatCacheModule)
 {
     _mediator        = mediator;
     _chatCacheModule = chatCacheModule;
 }
 public SendMessageHandler(IMediator mediator, IChatCacheModule chatCacheModule)
 {
     _mediator        = mediator;
     _chatCacheModule = chatCacheModule;
 }
 public OnDisconnectCommandHandler(IMediator mediator, IChatCacheModule chatCacheModule)
 {
     _mediator        = mediator;
     _chatCacheModule = chatCacheModule;
 }
 public LeaveFromRoomCommandHandler(IMediator mediator, IChatCacheModule chatCacheModule)
 {
     _mediator        = mediator;
     _chatCacheModule = chatCacheModule;
 }