public static async Task FetchAsync(string artist, string album, string filePath, bool online = true)
{
var tname = ThumbnailManager.FormatAlbumCacheName(artist, album);
Task task;
bool remove;
lock (_downloadTasks)
{
if (remove = !_downloadTasks.TryGetValue(tname, out task))
{
task = InternalFetchAlbumAsync(artist, album, filePath, online);
_downloadTasks.Add(tname, task);
}
}
await task;
if (remove)
{
lock (_downloadTasks)
{
_downloadTasks.Remove(tname);
}
}
}
public static async void Fetch(string artist, string album, string filePath, bool online = true)
{
var tname = ThumbnailManager.FormatAlbumCacheName(artist, album);
Task task;
lock (_downloadTasks)
{
if (_downloadTasks.ContainsKey(tname))
{
return;
}
else
{
task = InternalFetchAlbumAsync(artist, album, filePath, online);
_downloadTasks.Add(tname, task);
}
}
await task;
lock (_downloadTasks)
{
_downloadTasks.Remove(tname);
}
}
