public UserController(
     UserManager <IdentityUser> userManager,
     SignInManager <IdentityUser> signInManager,
     IFcmTokenRepo fcmTokenRepo,
     IProfileRepo profileRepo
     )
 {
     _userManager   = userManager;
     _signInManager = signInManager;
     _profileRepo   = profileRepo;
     _fcmTokenRepo  = fcmTokenRepo;
 }
 public ChatHub(IUserRepo userRepo, IMessagesRepo messagesRepo, IFcmTokenRepo fcmTokenRepo)
 {
     _userRepo     = userRepo;
     _messagesRepo = messagesRepo;
     _fcmTokenRepo = fcmTokenRepo;
 }