private void AnalysicProduct(HtmlDocument htmlDocument, JobNodeCrawler jobNodeCrawler)
{
if (CheckIsProduct(jobNodeCrawler.Url))
{
ProcessProductLink(jobNodeCrawler.Url);
}
}
public void Start()
{
while (_queueCrawler.Count > 0)
{
JobNodeCrawler jobNodeCrawler = _queueCrawler.Dequeue();
string html = GetHtml(jobNodeCrawler.Url);
if (!string.IsNullOrEmpty(html))
{
HtmlDocument htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(html);
Extraction(htmlDocument, jobNodeCrawler);
AnalysicProduct(htmlDocument, jobNodeCrawler);
}
}
}
private void Extraction(HtmlDocument htmlDocument, JobNodeCrawler jobNodeCrawler)
{
var nodesUrl = htmlDocument.DocumentNode.SelectNodes("//a");
if (nodesUrl != null)
{
foreach (var VARIABLE in nodesUrl)
{
string urlNew = VARIABLE.GetAttributeValue("href", "");
if (!string.IsNullOrEmpty(urlNew))
{
if (CheckAllowVisit(urlNew))
{
_queueCrawler.Enqueue(new JobNodeCrawler()
{
Deep = jobNodeCrawler.Deep + 1,
Url = jobNodeCrawler.Url
});
}
}
}
}
}
