public async Task<IHttpActionResult> Get()
{
var cache = RedisCache.Connection.GetDatabase();
var repo = new RedisRepository(cache);
var items = await repo.GetAllPhotosAsync();
List<IPhotoModel> typedItems = new List<IPhotoModel>(items);
if(typedItems.Count == 0)
{
//Pull from storage. This is a cross-partition query,
// and will be slower than using Redis.
var storageConnectionString = SettingsHelper.LocalStorageConnectionString;
var storageRepo = new StorageRepository(storageConnectionString);
typedItems = await storageRepo.GetLatestFromTableStorageAsync();
if(typedItems.Count > 0)
{
foreach (var item in typedItems)
{
//Add to cache as cache-aside pattern
await repo.AddPhotoToAllUsersCacheAsync(item);
}
items = typedItems;
}
}
return Ok(items);
}