public LoginViewModel(IMvxNavigationService navigationService, IAuthService authService, IUserDialogs userDialogs, IValidator validator, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_authService = authService;
_userDialogs = userDialogs;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
ValidateEmailCommand = new MvxCommand(() => _validationHelper.Validate(() => Email));
ValidatePasswordCommand = new MvxCommand(() => _validationHelper.Validate(() => Password));
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
LogInCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(LogInTask.Value))
{
LogInTask.Value = NotifyTaskCompletion.Create(AttemptLogInAsync);
}
});
ShowRegistrationViewModelCommand = new MvxAsyncCommand(async() =>
{
await _navigationService.Navigate <RegistrationViewModel>();
});
}
public ChangeAlbumViewModel(IMvxNavigationService navigationService, IUserDialogs userDialogs, IValidator validator, ISongService songService, IGenreService genreService, IArtistService artistService, IAlbumService albumService, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_userDialogs = userDialogs;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
_songService = songService;
_genreService = genreService;
_artistService = artistService;
_albumService = albumService;
ValidateNameCommand = new MvxCommand(() => _validationHelper.Validate(() => Name));
ValidateGenresCommand = new MvxCommand(() => _validationHelper.Validate(() => Genres));
ValidateArtistsCommand = new MvxCommand(() => _validationHelper.Validate(() => Artists));
ValidateSongsCommand = new MvxCommand(() => _validationHelper.Validate(() => Songs));
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
ChangeCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(ChangeTask.Value))
{
ChangeTask.Value = NotifyTaskCompletion.Create(AttemptChangeAsync);
}
});
_genresTokenParentObject = new TokenParentHelper(new MvxCommand <TokenViewModel>((_) =>
{
Genres.Value?.Remove(_ as TokenViewModel <GenreModel>);
ValidateGenresCommand.Execute(null);
}));
_artistsTokenParentObject = new TokenParentHelper(new MvxCommand <TokenViewModel>((_) =>
{
Artists.Value?.Remove(_ as TokenViewModel <ArtistModel>);
ValidateArtistsCommand.Execute(null);
}));
_songsTokenParentObject = new TokenParentHelper(new MvxCommand <TokenViewModel>((_) =>
{
Songs.Value?.Remove(_ as TokenViewModel <SongModel>);
ValidateSongsCommand.Execute(null);
}));
}
public RegistrationViewModel(IMvxNavigationService navigationService, IAuthService authService, IUserDialogs userDialogs, IValidator validator /*, ILocationService locationService*/, MvvmCross.Plugins.Validation.IMvxToastService toastService, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_authService = authService;
_userDialogs = userDialogs;
_toastService = toastService;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
//_locationService = locationService;
ValidateEmailCommand = new MvxCommand(() => _validationHelper.Validate(() => Email));
ValidateFirstNameCommand = new MvxCommand(() => _validationHelper.Validate(() => FirstName));
ValidateLastNameCommand = new MvxCommand(() => _validationHelper.Validate(() => LastName));
ValidatePasswordCommand = new MvxCommand(() => _validationHelper.Validate(() => Password));
ValidateBirthDateCommand = new MvxCommand(() => _validationHelper.Validate(() => BirthDate));
RegisterCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(RegisterTask.Value))
{
RegisterTask.Value = NotifyTaskCompletion.Create(AttemptRegisterAsync);
}
});
ChangeBirthDateCommand = new MvxAsyncCommand(async() => {
var datePromptResult = await _userDialogs.DatePromptAsync(new DatePromptConfig()
{
MinimumDate = new DateTime(1900, 1, 1), MaximumDate = DateTime.Now, SelectedDate = BirthDate.Value ?? new DateTime?(new DateTime(1990, 1, 1)), OkText = "OK", CancelText = "Cancel"
});
if (datePromptResult.Ok)
{
BirthDate.Value = new DateTime?(datePromptResult.SelectedDate);
}
else
{
BirthDate.Value = null;
}
ValidateBirthDateCommand.Execute(null);
});
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
}
public ChangeArtistViewModel(IMvxNavigationService navigationService, IUserDialogs userDialogs, IValidator validator, IArtistService artistService, IBottomNavigationViewModelService bottomNavigationViewModelService, ITopNavigationViewModelService topNavigationViewModelService)
{
_navigationService = navigationService;
_topNavigationViewModelService = topNavigationViewModelService;
_bottomNavigationViewModelService = bottomNavigationViewModelService;
_userDialogs = userDialogs;
_validationHelper = new ValidationHelper(validator, this, Errors.Value, (propertyName) => { FocusName.Value = propertyName; });
_artistService = artistService;
ValidateNameCommand = new MvxCommand(() => _validationHelper.Validate(() => Name));
InitValidationCommand = new MvxCommand(() => {
_validationHelper.ResetValidation();
});
ChangeCommand = new MvxCommand(() =>
{
if (!IsTaskExecutedValueConverter.Convert(ChangeTask.Value))
{
ChangeTask.Value = NotifyTaskCompletion.Create(AttemptChangeAsync);
}
});
}
// Private methods
private async Task AttemptChangeAsync()
{
Name.Value = Name.Value?.Trim();
if (_validationHelper.Validate())
{
_userDialogs.ShowLoading((string.IsNullOrWhiteSpace(Id.Value) ? "Add" : "Update") + " song");
var serviceResult = new ServiceResult <SongResultModel>();
if (string.IsNullOrWhiteSpace(Id.Value))
{
serviceResult = await _songService.Add(new SongResultModel()
{
Id = Id.Value, Name = Name.Value, Artists = Artists.Value.Select(_ => _.Object.Id).ToList(), Genres = Genres.Value.Select(_ => _.Object.Id).ToList()
});
}
else
{
serviceResult = await _songService.Update(new SongResultModel()
{
Id = Id.Value, Name = Name.Value, Artists = Artists.Value.Select(_ => _.Object.Id).ToList(), Genres = Genres.Value.Select(_ => _.Object.Id).ToList()
});
}
if (serviceResult.Success)
{
await _navigationService.Close(this);
_userDialogs.HideLoading();
await _userDialogs.AlertAsync(new AlertConfig
{
Title = "Success!",
Message = serviceResult.Error.Description,
OkText = "OK"
});
}
else
{
_userDialogs.HideLoading();
await _userDialogs.AlertAsync(new AlertConfig
{
Title = (string.IsNullOrWhiteSpace(Id.Value) ? "Add" : "Update") + " failed",
Message = serviceResult.Error.Description,
OkText = "OK"
});
InitValidationCommand.Execute(null);
}
}
}
// Private methods
private async Task AttemptRegisterAsync()
{
Email.Value = Email.Value?.Trim();
FirstName.Value = FirstName.Value?.Trim();
LastName.Value = LastName.Value?.Trim();
Password.Value = Password.Value?.Trim();
if (_validationHelper.Validate())
{
_userDialogs.ShowLoading("Registration");
var user = new ApplicationUserModel()
{
Email = Email.Value, FirstName = FirstName.Value, LastName = LastName.Value, Password = Password.Value, BirthDate = BirthDate.Value
};
var serviceResult = await _authService.Register(user);
if (serviceResult.Success)
{
await _navigationService.Navigate <LoginViewModel, ApplicationUserModel>(new ApplicationUserModel()
{
Email = Email.Value, Password = Password.Value
});
_userDialogs.HideLoading();
}
else
{
_userDialogs.HideLoading();
await _userDialogs.AlertAsync(new AlertConfig
{
Title = "Registration failed",
Message = serviceResult.Error.Description,
OkText = "OK"
});
InitValidationCommand.Execute(null);
}
}
}
// Private methods
private async Task AttemptLogInAsync()
{
Email.Value = Email.Value?.Trim();
Password.Value = Password.Value?.Trim();
if (_validationHelper.Validate())
{
_userDialogs.ShowLoading("Login");
var serviceResult = await _authService.Login(Email.Value, Password.Value);
if (serviceResult.Success)
{
ClearStack.Execute(null);
await _navigationService.Navigate <HomeViewModel>();
await _bottomNavigationViewModelService.Show(new BottomNavigationViewModel.PrepareModel()
{
CheckedItem = Enums.BottomNavigationViewCheckedItemType.Home
});
_userDialogs.HideLoading();
}
else
{
_userDialogs.HideLoading();
await _userDialogs.AlertAsync(new AlertConfig
{
Title = "Login failed",
Message = serviceResult.Error.Description,
OkText = "OK"
});
InitValidationCommand.Execute(null);
}
}
}