private void PruneLowestScoringItems(CacheServer cacheServer, Context context)
{
var cachedVideoRequests = cacheServer.VideoCache.Values.OrderBy(v => v.CacheScore).ToList();
var consumedSpace = cacheServer.ConsumedSpace();
var removedVideos = new List <CachedVideoRequest>();
for (int i = 0; i < cachedVideoRequests.Count; i++)
{
if (cacheServer.MaxMB < consumedSpace)
{
consumedSpace -= cachedVideoRequests[i].Video.VideoSizeInMb;
removedVideos.Add(cachedVideoRequests[i]);
cachedVideoRequests[i].OriginalRequest.IsCached = false;
cacheServer.VideoCache.Remove(cachedVideoRequests[i].VideoID);
}
if (consumedSpace <= cacheServer.MaxMB)
{
break;
}
}
//add back in as many high scoring requests as possible
foreach (var removedVideo in removedVideos.OrderByDescending(r => r.CacheScore))
{
if (removedVideo.Video.VideoSizeInMb + consumedSpace > cacheServer.MaxMB)
{
continue;
}
consumedSpace += removedVideo.Video.VideoSizeInMb;
cacheServer.VideoCache[removedVideo.VideoID] = removedVideo;
}
}
