TraktPlugin.TraktCache.GetCustomListsFromTrakt C# (CSharp) Méthode

        static IEnumerable<TraktListDetail> GetCustomListsFromTrakt(bool ignoreLastSyncTime = false)
        {
            // get from cache regardless of last sync time
            if (ignoreLastSyncTime)
                return CustomLists;

            // get the last time we did anything to our library online
            var lastSyncActivities = LastSyncActivities;

            // something bad happened e.g. site not available
            if (lastSyncActivities == null || lastSyncActivities.Lists == null)
                return null;

            // check the last time we have against the online time
            // if the times are the same try to load from cache
            if (lastSyncActivities.Lists.UpdatedAt == TraktSettings.LastSyncActivities.Lists.UpdatedAt)
            {
                TraktLogger.Info("Getting current user custom lists from local cache");
                var cachedItems = CustomLists;
                if (cachedItems != null)
                    return cachedItems;
            }

            TraktLogger.Info("Custom Lists cache is out of date, requesting updated data. Local Date = '{0}', Online Date = '{1}'", TraktSettings.LastSyncActivities.Lists.UpdatedAt ?? "<empty>", lastSyncActivities.Lists.UpdatedAt ?? "<empty>");

            // we get from online, local cache is not up to date
            var onlineItems = TraktAPI.TraktAPI.GetUserLists();
            if (onlineItems == null)
                return null;

            _CustomLists = onlineItems;

            // save to local file cache
            SaveFileCache(CustomListsFile, _CustomLists.ToJSON());

            // save new activity time for next time
            TraktSettings.LastSyncActivities.Lists.UpdatedAt = lastSyncActivities.Lists.UpdatedAt;

            return onlineItems;
        }