private async Task <IEnumerable <Audio> > LoadRecommendedTracks()
{
if (RecommendedTracksVK.Any())
{
return(new List <Audio>());
}
int trackToLoad = 10;
#if WINDOWS_UWP
trackToLoad = 15;
#endif
var response = await _inTouchWrapper.ExecuteRequest(_inTouch.Audio.GetRecommendations(count: trackToLoad));
if (response.IsError)
{
throw new Exception(response.Error.ToString());
}
#if WINDOWS_UWP
var tracks = new List <Audio>(response.Data.Items);
tracks.Add(new Audio
{
Title = VKSAVER_SEE_ALSO_TEXT
});
return(tracks);
#else
return(response.Data.Items);
#endif
}
private async void OnPlayRecommendedTracksCommand(Audio track)
{
if (track.Title == VKSAVER_SEE_ALSO_TEXT)
{
OnGoToRecommendedViewCommand();
return;
}
await _playerService.PlayNewTracks(RecommendedTracksVK
.Where(a => a.Title != VKSAVER_SEE_ALSO_TEXT)
.Select(a => a.ToPlayerTrack()),
RecommendedTracksVK.IndexOf(track));
#if !WINDOWS_UWP
_navigationService.Navigate("PlayerView", null);
#endif
}
public override async void OnNavigatedTo(NavigatedToEventArgs e, Dictionary <string, object> viewModelState)
{
_backgroundLoaded = false;
if (viewModelState.Count > 0)
{
#if !WINDOWS_UWP
FirstTrack = JsonConvert.DeserializeObject <VKAudioWithImage>(
viewModelState[nameof(FirstTrack)].ToString());
#endif
UserTracks = JsonConvert.DeserializeObject <SimpleStateSupportCollection <Audio> >(
viewModelState[nameof(UserTracks)].ToString());
TopArtistsLF = JsonConvert.DeserializeObject <SimpleStateSupportCollection <LastArtist> >(
viewModelState[nameof(TopArtistsLF)].ToString(), _lastImageSetConverter);
RecommendedTracksVK = JsonConvert.DeserializeObject <SimpleStateSupportCollection <Audio> >(
viewModelState[nameof(RecommendedTracksVK)].ToString());
UserTracks.LoadItems = LoadUserTracks;
TopArtistsLF.LoadItems = LoadTopArtists;
RecommendedTracksVK.LoadItems = LoadRecommendedTracks;
}
else
{
UserTracks = new SimpleStateSupportCollection <Audio>(LoadUserTracks);
TopArtistsLF = new SimpleStateSupportCollection <LastArtist>(LoadTopArtists);
RecommendedTracksVK = new SimpleStateSupportCollection <Audio>(LoadRecommendedTracks);
}
UserTracks.Load();
TopArtistsLF.Load();
RecommendedTracksVK.Load();
#if !WINDOWS_UWP
TryLoadBackground(FirstTrack);
#endif
base.OnNavigatedTo(e, viewModelState);
await Task.Delay(2000);
_adsService.ActivateAds();
}
public override void OnNavigatingFrom(NavigatingFromEventArgs e, Dictionary <string, object> viewModelState, bool suspending)
{
if (e.NavigationMode == NavigationMode.New)
{
#if !WINDOWS_UWP
viewModelState[nameof(FirstTrack)] = JsonConvert.SerializeObject(FirstTrack);
#endif
viewModelState[nameof(UserTracks)] = JsonConvert.SerializeObject(UserTracks.ToList());
viewModelState[nameof(TopArtistsLF)] = JsonConvert.SerializeObject(TopArtistsLF.ToList(), _lastImageSetConverter);
viewModelState[nameof(RecommendedTracksVK)] = JsonConvert.SerializeObject(RecommendedTracksVK.ToList());
}
base.OnNavigatingFrom(e, viewModelState, suspending);
}
