public void CheckResponse(Site site, SiteResponse lastResponse)
{
try
{
if (lastResponse == null)
{
_logger.LogInfo(site.SiteName + " - Checking changes (first time).");
}
else
{
_logger.LogInfo(site.SiteName + " - Checking changes.");
}
string html = SiteHtmlUtil.GetSiteHtml(site);
SiteResponse currentResponse;
string html_to_text = SiteHtmlUtil.StripHTMLAdvanced(html);
//string currentResponseHash = HashUtil.CalculateMD5Hash(html);
string currentResponseHash = HashUtil.CalculateMD5Hash(html_to_text);
//if (lastResponse == null || !lastResponse.Contents.Equals(html))
if (lastResponse == null || !lastResponse.Hash.Equals(currentResponseHash))
{
NotificationHelper notificationHelper = new NotificationHelper();
currentResponse = new SiteResponse();
currentResponse.Site = site;
currentResponse.CheckDate = DateTime.Now;
currentResponse.StatusCode = "200";
currentResponse.Contents = html;
//currentResponse.HtmlContents = html;
//currentResponse.Contents = current_response_html_to_text;
currentResponse.Hash = currentResponseHash;
currentResponse.Diff = notificationHelper.GetDiff(currentResponse, lastResponse);
site.SiteResponses.Add(currentResponse);
_siteResponseRepository.Save(currentResponse);
_siteRepository.SaveOrUpdate(site);
if (lastResponse != null)
{
string message = site.SiteName + " has changes - Sending notification email.";
_logger.LogInfo(message);
Notification notification = notificationHelper.CreateNotification(site, currentResponse, lastResponse);
_notificationsRepository.SaveOrUpdate(notification);
_logger.LogSiteChanged(notification, site, message, currentResponse.Diff);
}
}
else
{
_logger.LogInfo(site.SiteName + " doesn't have changes.");
currentResponse = lastResponse;
currentResponse.CheckDate = DateTime.Now;
currentResponse.StatusCode = "200";
_siteResponseRepository.SaveOrUpdate(currentResponse);
}
}
catch (Exception ex)
{
LogErrorGettingSiteResponse(site, ex);
}
}