/// <summary>
/// Tretton37Downloader process the end to end flow.
/// </summary>
/// <param>/param>
/// <remarks>
/// Recursively call itself unitl all the resources are downloaded.
/// </remarks>
/// <returns>Returns nothing</returns>
public void WebsiteDownloader(ConcurrentBag <string> resourceUrlList, int iteration)
{
try
{
if (resourceUrlList.Count == 0)
{
ProgressBar.Start();
resourceUrlList = new ConcurrentBag <string>();
var routesOfTheWebsite = HtmlLinkExtractor.ExtractLinkFromWebsite(Constants.RouteRegex);
var fullQualifiedWebsiteRoutes = routesOfTheWebsite.Where(x => x.StartsWith(Constants.Website)).Distinct().ToList();
//Adds the fully qualified website routes list to concurrent list after appending .html
resourceUrlList.AddMultipleItems_WithHtmlExtension(fullQualifiedWebsiteRoutes);
Parallel.ForEach(fullQualifiedWebsiteRoutes, route =>
{
var resourceUlrs = HtmlLinkExtractor.ExtractLinkFromWebsite(Constants.LinkRegex, route);
resourceUrlList.AddMultipleItems(resourceUlrs);
});
}
var distinctResult = resourceUrlList.Distinct().ToList();
ProgressBar.Load(iteration, distinctResult.Count);
_resourceDownloader.DownloadUsingWebClient(distinctResult[iteration]);
iteration++;
if (iteration >= distinctResult.Count)
{
ProgressBar.Stop();
return;
}
WebsiteDownloader(resourceUrlList, iteration);
}
catch (Exception e)
{
Console.WriteLine("Error from the WebsiteDownloader().");
throw e;
}
}