public async Task <IEnumerable <FruitResource> > GetFruitsAsync()
{
// Note: In the real world, we'd use a caching interface that supports GetOrAddAsync<T> for atomicity
const string region = nameof(CachingFruitService) + "|" + nameof(GetFruitsAsync);
var key = region;
var cached = await _cache.GetStringAsync(key);
IEnumerable <FruitResource> result;
if (cached != null)
{
_logger.LogInformation("Cached fruits found");
result = JsonConvert.DeserializeObject <List <FruitResource> >(cached);
}
else
{
_logger.LogInformation("Cached fruits not found, retrieving from data store");
result = await _dataLayer.GetFruitsAsync();
await _cache.SetStringAsync(key, JsonConvert.SerializeObject(result));
}
return(result.Select(_mapper.Map <FruitResource>));
}
public async Task <IEnumerable <FruitResource> > Get([FromServices] IFruitService service)
{
_logger.LogInformation("Getting all fruits");
return(await service.GetFruitsAsync());
}