public ConditionalImageDownloader(ShouldDownloadImageDelegate shouldDownloadImage, IPhilomenaImageDownloader downloader)
{
_logger = Logger.Factory.CreateLogger(GetType());
_shouldDownloadImage = shouldDownloadImage;
_downloader = downloader;
}
/// <summary>
/// Adds a conditional downloader
/// </summary>
/// <param name="shouldDownloadImage">A delegate that returns true if an image should be downloaded</param>
/// <param name="buildInnerDownloader">Configures the inner downloader builder</param>
public SequentialPhilomenaImageDownloaderBuilder WithConditionalDownloader(ShouldDownloadImageDelegate shouldDownloadImage, Func <SequentialPhilomenaImageDownloaderBuilder, SequentialPhilomenaImageDownloaderBuilder> buildInnerDownloader)
{
// Build the inner downloader
SequentialPhilomenaImageDownloaderBuilder builder = new SequentialPhilomenaImageDownloaderBuilder();
SequentialPhilomenaImageDownloader innerDownloader = buildInnerDownloader(builder).Build();
// Wrap the downloader in a conditional downloader
var conditionalDownloader = new ConditionalImageDownloader(shouldDownloadImage, innerDownloader);
return(new
(
_downloaders.Append(conditionalDownloader)
));
}