protected static FanArtCount InitFanArtCount(string mediaItemId, string fanArtType)
{
lock (_fanArtCountSync)
{
_clearCountTimer.Change(FANART_CLEAN_DELAY, Timeout.Infinite);
Dictionary <string, FanArtCount> mediaItemCounts;
if (!_fanArtCounts.TryGetValue(mediaItemId, out mediaItemCounts))
{
_fanArtCounts[mediaItemId] = mediaItemCounts = new Dictionary <string, FanArtCount>();
}
FanArtCount count;
if (!mediaItemCounts.TryGetValue(fanArtType, out count))
{
mediaItemCounts[fanArtType] = count = new FanArtCount(GetFanArtFiles(mediaItemId, fanArtType).Count);
}
return(count);
}
}
public async Task <int> TrySaveFanArt <T>(Guid mediaItemId, string title, string fanArtType, ICollection <T> files, TrySaveMultipleFanArtAsyncDelegate <T> saveDlgt)
{
if (files == null || files.Count == 0)
{
return(0);
}
string fanArtCacheDirectory = GetFanArtDirectory(mediaItemId);
string fanArtTypeSubDirectory = GetFanArtTypeDirectory(fanArtCacheDirectory, fanArtType);
int savedCount = 0;
using (var writer = await _fanArtSync.WriterLockAsync(mediaItemId).ConfigureAwait(false))
{
if (!await InitCache(fanArtCacheDirectory, fanArtTypeSubDirectory, title).ConfigureAwait(false))
{
return(savedCount);
}
int maxCount = GetMaxFanArtCount(fanArtType);
FanArtCount currentCount = await _fanArtCounts.GetValue(CreateFanArtTypeId(mediaItemId, fanArtType), _ => CreateFanArtCount(mediaItemId, fanArtType)).ConfigureAwait(false);
if (currentCount.Count >= maxCount)
{
return(savedCount);
}
foreach (T file in files)
{
if (await saveDlgt(fanArtTypeSubDirectory, file).ConfigureAwait(false))
{
savedCount++;
currentCount.Count++;
if (currentCount.Count >= maxCount)
{
break;
}
}
}
}
return(savedCount);
}
public async Task <bool> TrySaveFanArt(Guid mediaItemId, string title, string fanArtType, TrySaveFanArtAsyncDelegate saveDlgt)
{
string fanArtCacheDirectory = GetFanArtDirectory(mediaItemId);
string fanArtTypeSubDirectory = GetFanArtTypeDirectory(fanArtCacheDirectory, fanArtType);
using (var writer = await _fanArtSync.WriterLockAsync(mediaItemId).ConfigureAwait(false))
{
if (!await InitCache(fanArtCacheDirectory, fanArtTypeSubDirectory, title).ConfigureAwait(false))
{
return(false);
}
FanArtCount currentCount = await _fanArtCounts.GetValue(CreateFanArtTypeId(mediaItemId, fanArtType), _ => CreateFanArtCount(mediaItemId, fanArtType)).ConfigureAwait(false);
if (currentCount.Count < GetMaxFanArtCount(fanArtType) && await saveDlgt(fanArtTypeSubDirectory).ConfigureAwait(false))
{
currentCount.Count++;
return(true);
}
}
return(false);
}
public FanArtCountLock(FanArtCount count)
{
_count = count;
Monitor.Enter(_count.SyncObj);
Count = _count.Count;
}