public YoutubeSongViewModel(YoutubeSong wrapped, Func <string> downloadPathFunc)
: base(wrapped)
{
this.hasThumbnail = this.WhenAnyValue(x => x.Thumbnail)
.Select(x => x != null)
.ToProperty(this, x => x.HasThumbnail);
// Wait for the opening of the context menu to download the YouTube information
this.WhenAnyValue(x => x.IsContextMenuOpen)
.FirstAsync(x => x)
.SelectMany(_ => this.LoadContextMenu().ToObservable())
.Subscribe();
// We have to set a dummy here, so that we can connect the commands
this.isDownloading = Observable.Never <bool>().ToProperty(this, x => x.IsDownloading);
this.DownloadVideoCommand = ReactiveCommand.CreateAsyncTask(this.WhenAnyValue(x => x.IsDownloading).Select(x => !x),
x => this.DownloadVideo((VideoInfo)x, downloadPathFunc()));
this.DownloadAudioCommand = ReactiveCommand.CreateAsyncTask(this.WhenAnyValue(x => x.IsDownloading).Select(x => !x),
x => this.DownloadAudio((VideoInfo)x, downloadPathFunc()));
this.isDownloading = this.DownloadVideoCommand.IsExecuting
.CombineLatest(this.DownloadAudioCommand.IsExecuting, (x1, x2) => x1 || x2)
.ToProperty(this, x => x.IsDownloading);
}
private void InitializeCommands()
{
var canSignIn = this.WhenAny(vm => vm.UserName, s => !String.IsNullOrWhiteSpace(s.Value));
canSignIn.Subscribe(x => IsSignInVisible = x ? Visibility.Visible : Visibility.Hidden);
SignInCommand = ReactiveCommand.CreateAsyncTask(canSignIn, async x =>
{
IsOnSignIn = Visibility.Collapsed;
IsOnWaiting = Visibility.Visible;
var pass = (PasswordBox)x;
using (var loginSvc = new LoginSvcClient())
{
try
{
var response =
await
loginSvc.LoginAsync(new LoginModel
{
Password = Cypher.Encrypt(pass.Password),
Username = Cypher.Encrypt(UserName)
});
return(response);
}
catch (Exception ex)
{
return(new ResponseMessage {
IsSuccess = false, Message = ResNetwork.ERROR_NETWORK_DOWN + ex.Message
});
}
finally
{
pass.Password = String.Empty;
IsOnSignIn = Visibility.Visible;
IsOnWaiting = Visibility.Collapsed;
MessageBus.Current.SendMessage(String.Empty, SharedMessageConstants.LOGIN_FOCUS_USERNAME);
}
}
});
SignInCommand.Subscribe(x =>
{
if (x.IsSuccess)
{
var bForceToInit = CurrentUserSettings.UserInfo.Username == null ||
CurrentUserSettings.UserInfo.Username != UserName;
CurrentUserSettings.UserInfo.Username = x.UserDetail.UserName;
CurrentUserSettings.UserInfo.FullName = x.UserDetail.FullName;
CurrentUserSettings.UserInfo.Role = x.UserDetail.Role;
ShellContainerVm.ChangeCurrentView(StatusScreen.ShMenu, true, bForceToInit); //Only when comes from login, it should be reinit
OnUserChanged(CurrentUserSettings.UserInfo);
}
else
{
MessageBus.Current.SendMessage(new MessageBoxSettings
{
Message = x.Message,
Title = "Error al ingresar",
}, SharedMessageConstants.MSG_SHOW_ERRQST);
//Message = x.Message;
}
});
}
