private static Task <ImageSource> GetImageAsync(string artist)
{
var tcs = new TaskCompletionSource <ImageSource>();
Application.Current.Dispatcher.Invoke(async() =>
{
var cachedImage = await CacheService.GetCachedImage("artists/" + CacheService.GetSafeFileName(artist + "_big.jpg"));
if (cachedImage != null)
{
tcs.SetResult(cachedImage);
return;
}
var imageUri = await DataService.GetArtistImage(artist, true);
if (imageUri != null)
{
cachedImage = await CacheService.CacheImage(imageUri.OriginalString,
"artists/" + CacheService.GetSafeFileName(artist + "_big.jpg"));
tcs.SetResult(cachedImage);
}
tcs.SetResult(null);
});
return(tcs.Task);
}
private async void GetArtistImage()
{
if (Artist == null)
{
return;
}
try
{
var cachedImage = await CacheService.GetCachedImage("artists/" + CacheService.GetSafeFileName(Artist.Name + "_big.jpg"));
if (cachedImage != null)
{
ArtistImage = cachedImage;
return;
}
var imageUri = await DataService.GetArtistImage(Artist.Name, true);
if (imageUri != null)
{
cachedImage = await CacheService.CacheImage(imageUri.OriginalString, "artists/" + CacheService.GetSafeFileName(Artist.Name + "_big.jpg"));
ArtistImage = cachedImage;
return;
}
ArtistImage = null;
}
catch (Exception ex)
{
LoggingService.Log(ex);
}
}
private async void GetArtistImage(CancellationToken token)
{
if (CurrentAudio == null)
{
return;
}
if (CurrentAudio.Artist == _lastArtist)
{
return;
}
_lastArtist = CurrentAudio.Artist;
string imageType = Settings.Instance.ShowBackgroundArt ? "big" : "medium";
try
{
var cachedImage = await CacheService.GetCachedImage("artists/" + CacheService.GetSafeFileName(CurrentAudio.Artist + "_" + imageType + ".jpg"));
if (cachedImage != null)
{
ArtistImage = cachedImage;
return;
}
if (Settings.Instance.DownloadArtistArt)
{
var imageUri =
await DataService.GetArtistImage(CurrentAudio.Artist, Settings.Instance.ShowBackgroundArt);
if (imageUri != null)
{
if (token.IsCancellationRequested)
{
return;
}
cachedImage = await CacheService.CacheImage(imageUri.OriginalString, "artists/" + CacheService.GetSafeFileName(CurrentAudio.Artist + "_" + imageType + ".jpg"));
if (token.IsCancellationRequested)
{
return;
}
ArtistImage = cachedImage;
return;
}
}
ArtistImage = null;
}
catch (Exception ex)
{
LoggingService.Log(ex);
}
}
private async void GetArtistImage(CancellationToken token)
{
var audio = AudioService.CurrentAudio;
if (audio == null)
{
return;
}
if (audio.Artist == _lastArtist)
{
return;
}
_lastArtist = audio.Artist;
string imageType = "big";
try
{
var cachedImage = await CacheService.GetCachedImage("artists/" + CacheService.GetSafeFileName(audio.Artist + "_" + imageType + ".jpg"));
if (cachedImage != null)
{
var lastUpdateTime = FileStorage.GetFileUpdateTime("artists/" + CacheService.GetSafeFileName(audio.Artist + "_" + imageType + ".jpg"));
if ((DateTime.Now - lastUpdateTime).TotalDays < 14)
{
//if image was downloaded less than 2 weeks ago, show it, else download newer
ArtistImage = cachedImage;
return;
}
}
if (Settings.Instance.DownloadArtistArt)
{
var imageUri = await DataService.GetArtistImage(audio.Artist, true);
if (imageUri != null)
{
if (token.IsCancellationRequested)
{
return;
}
cachedImage = await CacheService.CacheImage(imageUri.OriginalString, "artists/" + CacheService.GetSafeFileName(audio.Artist + "_" + imageType + ".jpg"));
if (token.IsCancellationRequested)
{
return;
}
ArtistImage = cachedImage;
return;
}
}
ArtistImage = null;
}
catch (Exception ex)
{
LoggingService.Log(ex);
}
}