/// <summary>Fetches a Mod Profile from the cache if available.</summary>
public static bool TryGetMod(int gameId, int modId, out ModProfile profile)
{
profile = null;
bool success = false;
string endpointURL = APIClient.BuildGetModEndpointURL(gameId, modId);
Entry entry;
int entryIndex;
if (LocalUser.OAuthToken == RequestCache.lastOAuthToken &&
RequestCache.TryGetEntry(endpointURL, out entryIndex, out entry))
{
// check if stale
if ((ServerTimeStamp.Now - entry.timeStamp) >= RequestCache.ENTRY_LIFETIME)
{
// clear it, and any entries older than it
RequestCache.RemoveOldestEntries(entryIndex + 1);
}
else
{
string modJSON = entry.responseBody;
profile = JsonConvert.DeserializeObject <ModProfile>(modJSON);
success = true;
}
}
return(success);
}
/// <summary>Stores a collection of mods in the response cache.</summary>
public static void StoreMods(int gameId, IEnumerable <ModProfile> mods)
{
if (mods == null)
{
return;
}
List <string> endpointList = new List <string>();
List <Entry> entryList = new List <Entry>();
int now = ServerTimeStamp.Now;
uint culmativeSize = 0;
foreach (var mod in mods)
{
if (mod != null)
{
string endpointURL = APIClient.BuildGetModEndpointURL(gameId, mod.id);
// skip if already cached
if (RequestCache.urlResponseIndexMap.ContainsKey(endpointURL))
{
continue;
}
string modJSON = JsonConvert.SerializeObject(mod);
uint size = (uint)modJSON.Length * sizeof(char);
// break out if size is greater than max cache size
if (culmativeSize + size >= RequestCache.MAX_CACHE_SIZE)
{
break;
}
else
{
endpointList.Add(endpointURL);
entryList.Add(new Entry()
{
timeStamp = now,
size = size,
responseBody = modJSON,
});
culmativeSize += size;
}
}
}
// early out if no mods to add
if (culmativeSize == 0)
{
return;
}
// make space in cache
if (culmativeSize + RequestCache.currentCacheSize > RequestCache.MAX_CACHE_SIZE)
{
RequestCache.TrimCacheToMaxSize(RequestCache.MAX_CACHE_SIZE - culmativeSize);
}
// add entries
int indexBase = RequestCache.responses.Count;
for (int i = 0; i < endpointList.Count; ++i)
{
RequestCache.urlResponseIndexMap.Add(endpointList[i], i + indexBase);
}
RequestCache.responses.AddRange(entryList);
RequestCache.currentCacheSize += culmativeSize;
}