public PhotoService(
IMemoryCache cache,
CacheSignal <Photo> cacheSignal,
ILogger <PhotoService> logger) =>
(_cache, _cacheSignal, _logger) = (cache, cacheSignal, logger);
public CacheWorker(
ILogger <CacheWorker> logger,
HttpClient httpClient,
CacheSignal <Photo> cacheSignal,
IMemoryCache cache) =>
(_logger, _httpClient, _cacheSignal, _cache) = (logger, httpClient, cacheSignal, cache);