public void Execute(object parameter) { if (!Classes.Functions.CheckConnection()) { messenger.Send(new NotConnectionMessage()); return; } if (parameter is UserDetailModelDTO userData) { userData.Email = userData.Username; var user = dbUser.GetUserByModel(userData); if (user != null) { if (dbLogIn.GetDeniedRow(user.Id) >= 3) { messenger.Send(new SignInDeniedMessage()); return; } } else { messenger.Send(new SignInDeniedMessage() { Message = "Wrong login or password" }); return; } if (dbUser.Authenticate(userData)) { messenger.Send(new SignInApprovedMessage() { SignInType = SignInType.SignIn, UserId = user.Id }); messenger.Send(new LogInChangedMessage() { UserId = user.Id, SignLogCode = SignLogCode.Succesful }); } else { messenger.Send(new SignInDeniedMessage() { Message = "Wrong login or password" }); if (user != null) { messenger.Send(new LogInChangedMessage() { UserId = user.Id, SignLogCode = SignLogCode.AccessDenied }); } } } }