public static IApplicationBuilder UseThumbCrop(this IApplicationBuilder builder, ThumbCropConfig config = null)
{
if (config == null)
{
config = new ThumbCropConfig();
}
if (config.CacheManager == null && config.UseCache)
{
config.CacheManager = new InMemoryCacheManager();
}
if (config.ImageSources == null || !config.ImageSources.Any())
{
config.ImageSources = new[] { new LocalFileImageSource() }
}
;
builder.MapWhen(
context => context.Request.Path.ToString().EndsWith(config.UrlPattern),
appBranch =>
{
var hostingEnvironment = (IHostingEnvironment)builder.ApplicationServices.GetService(typeof(IHostingEnvironment));
config.BasePath = hostingEnvironment.WebRootPath;
appBranch.UseMiddleware <ThumbMiddleware>(config);
});
return(builder);
}
}
public static IApplicationBuilder UseThumbCrop(this IApplicationBuilder builder, Action <ThumbCropConfig> config)
{
var _config = new ThumbCropConfig();
config?.Invoke(_config);
return(UseThumbCrop(builder, _config));
}
public ThumbMiddleware(RequestDelegate next, ThumbCropConfig config)
{
_next = next;
_config = config;
}