private static ExtractResult GetResult(Request request)
{
var response = Crawler.Request(request);
var content = response.Data.ToString();
var blocks = Feeder.GetExtractBlock(request.Uri.ToString());
var er = new ExtractRequest
{
Blocks = blocks,
Content = content
};
var results = Extractor.Extract(er);
var result = results.OrderByDescending(m => m.Metas.Count).FirstOrDefault();
if (result.Paging != null && result.Paging.Count > 0 && result.Metas != null && result.Metas.ContainsKey("content"))
{
result = MergeContent(request.Uri, result, request.Method, request.Ip);
}
return(result);
}
private static void DownloadPage(Uri uri, ExtractResult result, string method, string ip, PageDownloadHandler handler, int maxRetry = 10)
{
handler(uri, result);
var pages = new Dictionary <string, ExtractResult>();
pages.Add(uri.ToString(), result);
var lines = String.Join("\n", result.Paging.Distinct());
var reader = new StringReader(lines);
var crawler = new RuiJiCrawler();
var url = reader.ReadLine();
var diffBuilder = new InlineDiffBuilder(new Differ());
while (!string.IsNullOrEmpty(url))
{
var u = new Uri(uri, url);
if (pages.ContainsKey(u.ToString()))
{
url = reader.ReadLine();
continue;
}
var request = new Request(u);
request.Method = method;
if (!string.IsNullOrEmpty(ip))
{
request.Ip = ip;
}
var response = Crawler.Request(request);
var content = response.Data.ToString();
var blocks = Feeder.GetExtractBlock(u.ToString());
var er = new ExtractRequest
{
Blocks = blocks,
Content = content
};
var results = Extractor.Extract(er);
var r = results.OrderByDescending(m => m.Metas.Count).FirstOrDefault();
if (r.Paging == null)
{
Thread.Sleep(3000);
if (--maxRetry == 0)
{
break;
}
continue;
}
handler(uri, result);
if (r.Paging != null && r.Paging.Count > 0)
{
var nlines = String.Join("\n", r.Paging.Distinct());
var diff = diffBuilder.BuildDiffModel(lines, nlines);
nlines = string.Join("\n", diff.Lines.Select(m => m.Text));
reader = new StringReader(nlines);
url = reader.ReadLine();
}
}
}
