public ImageCachingMiddleware(
RequestDelegate next,
IHostingEnvironment env,
IImageCacheHelper cacheHelper,
CachingOptions options)
{
_next = next;
_options = options;
_cacheHelper = cacheHelper;
_cacheHelper.InitializeCache(_options);
}
public void InitializeCache(CachingOptions options)
{
_cachingOptions = options;
CacheFolder = Path.Combine(_env.WebRootPath, _cachingOptions.CacheDirectory);
if (Directory.Exists(CacheFolder) == false)
{
Directory.CreateDirectory(CacheFolder);
}
RefreshCacheInvalidationPeriod();
}
public static IApplicationBuilder UseImageCachingMiddleware(this IApplicationBuilder builder, CachingOptions options)
{
return(builder.UseMiddleware <ImageCachingMiddleware>(options));
}
