private async Task <List <Permission> > GetListInCacheInternalAsync() { var list = await _cache.GetJsonAsync <List <Permission> >(ListCacheKey); if (list == null) { list = await _manager.GetListAsync(); await _cache.SetJsonAsync(ListCacheKey, list); } return(list); /* * if (!_cache.TryGetValue(PermissionListCacheKey, out List<Permission> permissions)) * { * // Key not in cache, so get data. * permissions = await _manager.GetListAsync(); * * // Set cache options. * var cacheEntryOptions = new MemoryCacheEntryOptions() * // Keep in cache for this time, reset time if accessed. * .SetSlidingExpiration(TimeSpan.FromDays(30)); * * // Save data in cache. * _cache.Set(PermissionListCacheKey, permissions, cacheEntryOptions); * } * * return permissions; */ }