public static bool IsCached(int id, bool anime, ref string url)
{
if (anime)
{
if (CachedAnimeImages.ContainsKey(id))
{
url = CachedAnimeImages[id];
return(true);
}
}
else
{
if (CachedAnimeImages.ContainsKey(id))
{
url = CachedAnimeImages[id];
return(true);
}
}
return(false);
}
public static async Task <string> GetImageUrl(int id, bool anime)
{
if (anime)
{
lock (CachedAnimeImages)
{
if (CachedAnimeImages.ContainsKey(id))
{
return(CachedAnimeImages[id]);
}
}
}
else
{
lock (CachedMangaImages)
{
if (CachedMangaImages.ContainsKey(id))
{
return(CachedMangaImages[id]);
}
}
}
var task = anime ? AnimeImageTasks[id] : MangaImageTasks[id];
if (task == null)
{
task = new AnimeImageQuery(id, anime).FetchImageUrl();
if (anime)
{
AnimeImageTasks[id] = task;
}
else
{
MangaImageTasks[id] = task;
}
await _semaphore.WaitAsync();
var link = await task;
_semaphore.Release();
if (anime)
{
lock (CachedAnimeImages)
{
if (!CachedAnimeImages.ContainsKey(id))
{
CachedAnimeImages.Add(id, link);
}
if (AnimeImageTasks.ContainsKey(id))
{
AnimeImageTasks.Remove(id);
}
}
}
else
{
lock (CachedMangaImages)
{
if (!CachedMangaImages.ContainsKey(id))
{
CachedMangaImages.Add(id, link);
}
if (MangaImageTasks.ContainsKey(id))
{
MangaImageTasks.Remove(id);
}
}
}
return(link);
}
else
{
var sem = new SemaphoreSlim(0);
await task.ContinueWith(task1 => sem.Release());
await Task.Delay(10);
if (anime)
{
lock (CachedAnimeImages)
{
if (CachedAnimeImages.ContainsKey(id))
{
return(CachedAnimeImages[id]);
}
}
}
else
{
lock (CachedMangaImages)
{
if (CachedMangaImages.ContainsKey(id))
{
return(CachedMangaImages[id]);
}
}
}
return(null);
}
}
