public ImageCache(
IBlobCacheFactory cacheFactory,
IEnvironment environment,
Lazy <IImageDownloader> imageDownloader)
: this(CreateCache(cacheFactory, environment), imageDownloader)
{
}
static IObservable <IBlobCache> CreateCache(IBlobCacheFactory cacheFactory, IEnvironment environment)
{
return(Observable.Defer(() =>
{
var imageCacheFilePath = Path.Combine(environment.GetLocalGitHubApplicationDataPath(), ImageCacheFileName);
var blobCache = cacheFactory.CreateBlobCache(imageCacheFilePath);
return VacuumIfNecessary(blobCache).ContinueAfter(() => Observable.Return(blobCache));
})
.PublishLast()
.RefCount());
}
