public async Task Appand(string key, T obj) {
var cachedItems = await _cache.Get<List<T>>(key);
if (cachedItems == null)
cachedItems = new List<T>();
else if (cachedItems.Any(x => x.Id == obj.Id)) {
var item = cachedItems.First(x => x.Id == obj.Id);
cachedItems.Remove(item);
}
cachedItems.Add(obj);
await _cache.Remove(key);
await _cache.Set(key, cachedItems, null);
}
public async Task Remove(string key)
{
await _redisStore.Remove(key);
}