private void ProcessRSSFeed(Source rssFeed, List <RSS.FeedItem> rssFeedsWebLocationsToProcess)
{
// Check to see if the scraping is to be stopped
if (!this.isServiceScraping)
{
return;
}
var rssItems = RSSCrawler.ProcessRSSFeed(rssFeed.URL, ConfigurationManager.AppSettings.RSSFeedHistoryRangeForScrapingInDays);
if (rssItems != null)
{
foreach (var rssItem in rssItems)
{
// Check to see if the scraping is to be stopped
if (!this.isServiceScraping)
{
break;
}
// Skip this item if it has been processed earlier
if (rssItem.Published <= rssFeed.LastRunTime)
{
continue;
}
rssItem.SourceType = rssFeed.SourceType;
rssItem.Category = rssFeed.Category;
//rssItem.ProcessingTimeLimit = rssFeed.LastRunTime;
// Check to see if only the RSS feed data is to be saved and not the actual data behing the feed item
if (rssFeed.CrawlerType == CrawlerType.RSSContentNoLinkFollowUp)
{
var result = Analyzer.Common.Database.DatabaseService.GetInstance().AddtoWriteQueueAsync <Analyzer.Common.Database.DataItems.WebData>(rssItem.SourceType.ToString(), rssItem.ToWebData());
if (!result.Result)
{
Analyzer.Common.Logger.ExceptionLoggingService.Instance.WriteWebScrapingInformation("WARNING: Unable to add the rss item to the database queue: " + rssItem.Url + " from feed: " + rssFeed.URL);
this.itemsFailedCounter++;
}
else
{
this.itemsProcessedCounter++;
}
}
else
{
// Add the RSS item to be processed as a normal web page, follow the RSS item link
rssFeedsWebLocationsToProcess.Add(rssItem);
}
}
}
else
{
Analyzer.Common.Logger.ExceptionLoggingService.Instance.WriteWebScrapingInformation("WARNING: Unable to process rss feed: " + rssFeed.URL);
}
rssFeed.LastRunTime = DateTime.Now;
// avoid being banned or causing harm to the scraped site, being nice :)
System.Threading.Thread.Sleep(Analyzer.Common.Configuration.ConfigurationManager.AppSettings.RSSFeedReaderWaitTimeInMilliseconds);
}
private void bCrawlURL_Click(object sender, EventArgs e)
{
//foreach(var title in titles)
// this.tbResult.Text += title;
var rssItems = RSSCrawler.ProcessRSSFeed(this.tbURL.Text, 60);
foreach (var rssItem in rssItems)
{
this.tbResult.Text += "\n" + Analyzer.WebCrawler.Web.WebCrawler.ProcessWordpressArticle(rssItem.Url).Result;
}
}
