private void cleaning(level1link x, List <keyword> excludedKeywords)
{
if (excludedKeywords == null || excludedKeywords.Count == 0)
{
return;
}
string txt = "{0}/{1}/{2}/{3}".FormatStr(x.Description, x.Abstract, x.Title, x.LinkUrl).ToLower();
var matched_ex_kw = excludedKeywords.FirstOrDefault(k => txt.IsContains(k.Txt));
if (matched_ex_kw != null)
{
x.DataCleanStatus = (byte)DataCleanStatus.Excluded;
x.Keywords = "{0} $ExcludedByExcludeKeyword:{1}".FormatStr(x.Keywords, matched_ex_kw.Txt);
}
}
private void cleaning(level1link x, string keywords)
{
if (string.IsNullOrEmpty(keywords))
{
return;
}
string[] kwds = keywords.GetLower().SplitWith(";", ",");
if (kwds == null || kwds.Length == 0)
{
return;
}
string txt = "{0}/{1}/{2}".FormatStr(x.Keywords, x.Domain).ToLower();
string matched = kwds.FirstOrDefault(y => !string.IsNullOrEmpty(y) && txt.IsContain(y));
if (!string.IsNullOrEmpty(matched))
{
x.DataCleanStatus = (byte)DataCleanStatus.Excluded;
x.Keywords = "{0} $ExcludedByExcludingKeyword:{1}".FormatStr(x.Keywords, matched);
}
}
void GetLinks(string link, searchkeyword tsk, keyword businessKeyword, List <keyword> businessKeywords, List <keyword> excludedKeywords)
{
BotMng botmng = BotMng.Instance;
AppType img = (AppType)tsk.AppType;
string[] searchKeywords = tsk.Keyword.GetLower().RemoveSpace().Split(';');
List <KeywordScore> patterns = businessKeywords.Select(x => new KeywordScore {
Keyword = x.Txt, Score = x.Score, BizType = x.BizType
}).ToList();
string[] bizPatterns = businessKeywords.Select(x => x.Txt).ToArray();
patterns.Add(new KeywordScore {
Keyword = tsk.Keyword, Score = 50, BizType = 0
});
//List<level1link> result = new List<level1link>();
int nohist_pages = 0;
int quried_pages = 0;
//最多搜索60页
while (!string.IsNullOrEmpty(link) && quried_pages <= 60)
{
log(link);
var html = get_html(link);
if (html == null)
{
break;
}
var tags = html.SubAfter("content_left").SplitWith("c-container");
if (tags == null || tags.Length == 0)
{
log("BLOCKED " + tsk.Keyword);
break;
}
bool nohit = true;
foreach (var tag in tags)
{
var a = tag.SubAfter("h3").SubAfter("a");
string title = RemoveInivalidChar(
a.RemoveSpace().GetLower().SubBefore("</h3>").GetTxtFromHtml2().RemoveSpace().GetLower());
string href = a.GetFirstHref2();
string abs = RemoveInivalidChar(tag.SubAfter("abstract").SubBefore("</div").GetTxtFromHtml2().RemoveSpace().GetLower());
string domain = tag.SubLastStringAfter("\"f13").SubBefore("</span").GetTxtFromHtml2();
domain = GetDomain(domain);
int maxScore = 0;
//没有包含需要protect item信息的过滤掉
string txt = "{0}{1}".FormatStr(title, abs);
if (string.IsNullOrEmpty(txt))
{
continue;
}
string realUrl = null, detailHtml = null, abstracts = null;
byte appType = 0;
if (!string.IsNullOrWhiteSpace(href))
{
//Encoding enc = Encoding.UTF8;
//detailHtml = HtmlQueryHelper.GetContent(href, 8000, ref enc, out realUrl);
var tuplehtml = get_htmlUrl(href);
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item1))
{
realUrl = tuplehtml.Item1;
}
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item2))
{
detailHtml = tuplehtml.Item2;
}
if (!string.IsNullOrEmpty(realUrl) && string.IsNullOrEmpty(domain))
{
domain = GetDomain(realUrl);
}
}
if (!string.IsNullOrEmpty(detailHtml) && detailHtml.Contains("document.getElementById(\"link\").click()"))
{
var gourl = detailHtml.GetFirstHref2();
if (!string.IsNullOrEmpty(gourl))
{
var tuplehtml = get_htmlUrl(gourl);
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item1))
{
realUrl = tuplehtml.Item1;
}
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item2))
{
detailHtml = tuplehtml.Item2;
}
if (!string.IsNullOrEmpty(realUrl) && string.IsNullOrEmpty(domain))
{
domain = GetDomain(realUrl);
}
}
}
if (string.IsNullOrEmpty(realUrl))
{
realUrl = href;
}
List <KeywordScore> matchpatterns = new List <KeywordScore>();
if (string.IsNullOrEmpty(detailHtml))
{
continue;
}
else
{
if (!detailHtml.Contains(tsk.Keyword) || !detailHtml.IsContains2(bizPatterns))
{
continue;
}
var hrefs = detailHtml.GetDescendents("a", "href");
StringBuilder sbabstracts = new StringBuilder();
List <string> abstractlist = new List <string>();
StringBuilder sbabstractlist = new StringBuilder();
foreach (KeywordScore pattern in patterns)
{
string[] splitDetailHtmls = detailHtml.SplitWith(pattern.Keyword);
if (splitDetailHtmls.Length > 1)
{
matchpatterns.Add(pattern);
}
StringBuilder sbpatternStr = new StringBuilder();
for (int i = 0; i < splitDetailHtmls.Length - 1; i++)
{
string splitDetailHtml1 = splitDetailHtmls[i];
string splitDetailHtml2 = i < splitDetailHtmls.Length - 2 ? splitDetailHtmls[i + 1] : "";
for (int j = splitDetailHtml1.Length - 1; j >= 0; j--)
{
if (split_bef_commas.Contains(splitDetailHtml1[j]) && j - 1 >= 0 && !split_num_commas.Contains(splitDetailHtml1[j - 1]))
{
break;
}
sbpatternStr.Append(splitDetailHtml1[j]);
}
for (int q = sbpatternStr.Length - 1; q >= 0; q--)
{
sbabstracts.Append(sbpatternStr[q]);
}
sbabstracts.Append(pattern.Keyword);
sbpatternStr.Clear();
for (int j = 0; j < splitDetailHtml2.Length; j++)
{
if (split_aft_commas.Contains(splitDetailHtml2[j]) && j + 1 < splitDetailHtml2.Length && !split_num_commas.Contains(splitDetailHtml2[j + 1]))
{
break;
}
sbpatternStr.Append(splitDetailHtml2[j]);
}
sbabstracts.Append(sbpatternStr);
sbpatternStr.Clear();
string tmpsbabstracts = sbabstracts.ToString();
tmpsbabstracts = BaiduQuery.RemoveInivalidChar(tmpsbabstracts.GetTxtFromHtml2().RemoveSpace().GetLower());
if (!abstractlist.Contains(tmpsbabstracts))
{
abstractlist.Add(tmpsbabstracts);
sbabstractlist.Append(tmpsbabstracts).Append(" ");
}
sbabstracts.Clear();
}
}
abstracts = sbabstractlist.ToString();
if (!string.IsNullOrEmpty(abstracts) && matchpatterns.Count > 0)
{
maxScore = matchpatterns.Max(x => x.Score ?? 50);
appType = matchpatterns.Where(x => x.BizType > 0).OrderByDescending(x => x.Score).Select(x => x.BizType).FirstOrDefault();
maxScore += matchpatterns.Sum(x => (x.Score ?? 50) / 10);
maxScore -= matchpatterns.Max(x => (x.Score ?? 50) / 10);
}
}
if (string.IsNullOrEmpty(abstracts) && !string.IsNullOrEmpty(abs))
{
matchpatterns = patterns.Where(x => abs.Contains(x.Keyword)).ToList();
maxScore = matchpatterns.Max(x => x.Score ?? 50);
appType = matchpatterns.Where(x => x.BizType > 0).OrderByDescending(x => x.Score).Select(x => x.BizType).FirstOrDefault();
maxScore += matchpatterns.Sum(x => (x.Score ?? 50) / 10);
maxScore -= matchpatterns.Max(x => (x.Score ?? 50) / 10);
}
if (maxScore > 100)
{
maxScore = 100;
}
bool is_bus_matched = txt.IsContains2(businessKeyword.Txt);
bool is_title_matched = title.GetLower().IsContains2(searchKeywords);
bool is_abstr_matched = abs.IsContains2(searchKeywords);
BaiduItemPart part = is_title_matched && is_abstr_matched ? BaiduItemPart.TitleAbstract :
is_title_matched ? BaiduItemPart.Title :
is_abstr_matched ? BaiduItemPart.Abstract : BaiduItemPart.None;
bool is_itm_title_matched = txt.GetLower().IsContains2(searchKeywords);
level1link l1 = new level1link
{
UsrId = tsk.UsrId,
Domain = domain,
TopDomain = GetLevel1Domain(domain),
Keywords = string.Format("{0} + {1}", tsk.Keyword, businessKeyword.Txt),
LinkUrl = realUrl,
MatchAt = (byte)part,
Html = detailHtml,
MatchType = (byte)((is_bus_matched ? 1 : 0) + (is_itm_title_matched ? 2 : 0)),
AppType = appType,
BizId = IDHelper.GetGuid("{0}/{1}/{2}".FormatStr(realUrl, tsk.UsrId, tsk.Keyword)),
SearchkeywordId = tsk._id.ToString(),
CreatedAt = DateTime.UtcNow.AddHours(8),
Description = abs,
Title = title,
Score = maxScore,
Abstract = abstracts
};
byte MatchType = (byte)((is_bus_matched ? 10 : 0) + (is_itm_title_matched ? 30 : 0));
botmng.save_level1_links(new List <level1link> {
l1
}, tsk, excludedKeywords);
nohit = false;
nohist_pages = 0;
}
if (nohit)
{
nohist_pages++;
}
//如果连续3页都没有结果，就跳出
if (nohist_pages > 3)
{
break;
}
quried_pages++;
pages++;
link = html.SubAfter("fkfk_cur").SubBefore("下一页").GetLastHref2();
if (!string.IsNullOrEmpty(link) && !link.IsStartWith("http"))
{
if (link.IsStartWith("/"))
{
link = link.SubAfter("/");
}
link = "http://www.baidu.com/".GetContact(link);
}
}
//return result;
}
