PowerArgs.Cli.LoadMoreDataSource.GetCacheState C# (CSharp) Method

        private CachedDataViewState GetCacheState(CollectionQuery query)
        {
            var lastIndexRequested = query.Skip + query.Take- 1;

            CachedDataSet cachedItems;

            if(cachedData.TryGetValue(query.CacheKey, out cachedItems) == false)
            {
                return CachedDataViewState.CompleteMiss;
            }
            else if(lastIndexRequested < cachedItems.Items.Count)
            {
                return CachedDataViewState.CompleteHit;
            }
            else if(query.Skip < cachedItems.Items.Count && cachedItems.IsComplete == false)
            {
                return CachedDataViewState.PartialHit;
            }
            else if(cachedItems.IsComplete)
            {
                return CachedDataViewState.CompleteHit;
            }
            else
            {
                return CachedDataViewState.CompleteMiss;
            }
        }