public List <level1link> Query(searchkeyword tsk, keyword businessKeyword, List <keyword> businessKeywords, List <keyword> excludedKeywords)
{
List <level1link> result = new List <level1link>();
var links = get_urls(tsk, businessKeyword);
if (links == null || links.Count == 0)
{
return(null);
}
foreach (var link in links)
{
try
{
GetLinks(link, tsk, businessKeyword, businessKeywords, excludedKeywords);
//if (list != null && list.Count > 0)
// result.AddRange(list);
}
catch (Exception ex)
{
log(ex.Message + ex.StackTrace);
}
}
return(result);
}
public void save_level1_links(List <level1link> links,
searchkeyword tsk, List <keyword> excludedKeywords)
{
links = prehandle_data(links, tsk, excludedKeywords);
if (links == null || links.Count == 0)
{
log("SUCCESS saving 0 Level 1 Links for " + tsk.Keyword);
return;
}
int pagesize = 100;
int count = 0;
var col = MongoDBHelper.Instance.Getlevel1links();
var builder = Builders <level1link> .Filter;
for (int page = 0; page *pagesize < links.Count; page++)
{
var list = links.Skip(page * pagesize).Take(pagesize).ToList();
//list.ForEach(x => x._id = new MongoDB.Bson.ObjectId(IDHelper.GetGuid("{0}/&itemid={1}".FormatStr(x.Domain, x.LinkUrl)).ToString()));
list = ListDistinctBy(list, x => x.BizId);
FieldsDocument fd = new FieldsDocument();
fd.Add("BizId", 1);
List <Guid> bizIds = list.Select(x => x.BizId).ToList();
var exists_objs = col.Find(builder.In(x => x.BizId, bizIds)).Project(x => x.BizId).ToList();
List <Guid> exists_ids = new List <Guid>();
foreach (var result in exists_objs)
{
exists_ids.Add(result);
}
if (exists_ids != null && exists_ids.Count > 0)
{
list = list.Where(x => !exists_ids.Contains(x.BizId)).ToList();
}
if (list == null || list.Count == 0)
{
continue;
}
count += pagesize;
col.InsertMany(links);
log("SUCCESS saving " + links.Count + " Level 1 Links for " + tsk.Keyword);
}
}
private void query(searchkeyword p)
{
try
{
var builder = Builders <keyword> .Filter;
var filter = builder.Eq(x => x.UsrId, p.UsrId);
var excludedKeywords = MongoDBHelper.Instance.Getiws_excludekeywords().Find(filter).ToList();
var businessKeywords = MongoDBHelper.Instance.Getiws_businesskeywords().Find(filter).ToList();
log("loaded {0} excluding keywords ".FormatStr(excludedKeywords == null ? 0 : excludedKeywords.Count));
if (excludedKeywords.GetCount() > 0)
{
excludedKeywords.ForEach(x => x.Txt = x.Txt.ToLower());
}
try
{
foreach (var busKey in businessKeywords)
{
Queries.BaiduQuery baidu = new Queries.BaiduQuery(p.Keyword + busKey.Txt);
var links = baidu.Query(p, busKey, businessKeywords, excludedKeywords);
//save_level1_links(links, p, excludedKeywords);
//SogouWeixin sogou = new SogouWeixin(tsk.Keyword);
//links = sogou.Query(tsk);
//save_level1_links(links, tsk, excludedKeywords);
}
}
catch (Exception ex)
{
log(ex.Message);
}
}
catch (Exception ex)
{
log(ex.Message);
}
}
List <string> get_urls(searchkeyword tsk, keyword businessKeywords)
{
var searchKeywords = tsk.Keyword.RemoveSpace().GetLower().Split(';');
List <string> kws = new List <string>();
foreach (var t in searchKeywords)
{
if (string.IsNullOrEmpty(t))
{
continue;
}
kws.Add("{0}{1}".FormatStr(t, businessKeywords.Txt));
}
string baiduUrlFormat = "http://www.baidu.com/s?ie=utf-8&wd={0}";
return(kws.Where(x => !string.IsNullOrEmpty(x.GetTrimed()))
.Distinct().Select(x => x.GetUrlEncodedString("utf-8"))
.Select(x => baiduUrlFormat.FormatStr(x)).ToList());
}
public List <level1link> prehandle_data(List <level1link> links, searchkeyword tsk, List <keyword> excludedKeywords)
{
if (links == null || links.Count == 0)
{
log("BLOCKED " + tsk.Keyword);
return(links);
}
else
{
links = links.DistinctBy(x => x.LinkUrl);
log(links.Count + " Level 1 Links for " + tsk.Keyword);
}
//var itm = MySqlDbHelper.GetEfEntities<protectitem>(ctx,"Id="+tsk.ProtectItemId).FirstOrDefault();
////{ScoredKeywords:{aaa:12,bbb:13}}
//if (itm != null && !string.IsNullOrEmpty(itm.FingerPrints2))
//{
// string[] sks = itm.FingerPrints2.SplitWith("$;");
// Dictionary<string, int> scores = new Dictionary<string, int>();
// if (sks != null)
// {
// foreach (var sk in sks)
// {
// string[] sps = sk.SplitWith(":", "：");
// if (sps == null || sps.Length != 2)
// continue;
// string k = sps[0].GetTrimed();
// int? s = sps[1].ExInt();
// if (sps[1].IsContains2("-"))
// s = -1 * s;
// if (string.IsNullOrEmpty(k) || !s.HasValue || scores.ContainsKey(k))
// continue;
// scores.Add(k, s.Value);
// }
// }
// foreach (var l in links)
// {
// string txt = string.Format("{0}{1}", l.Title, l.Abstract);
// l.Score = scores.Sum(x => txt.IsContain(x.Key) ? x.Value : 0);
// l.Title = "[使用了自定义打分]" + l.Title;
// }
//}
//else if (tsk.ProjectType == (byte)ProjectType.Artical && !string.IsNullOrEmpty(itm.FingerPrints))
//{
// foreach (var l in links)
// {
// var txt = string.Join("", "{0},{1}".FormatStr(l.Title, l.Abstract).SplitWith(
// ";", ",", ";", ".", "，", "。", "；",
// "-", " ", "？", "“", "！", "”").Select(x => x.GetTrimed()).Where(x => !string.IsNullOrEmpty(x)));
// string[] fps = itm.FingerPrints.SplitWith(",");
// l.Score = l.Score / 2 + fps.Where(x => txt.IsContain(x)).Count() * 50 / fps.Length;
// }
//}
links.ForEach(x =>
{
//x.Keywords = tsk.Keyword;
cleaning(x, excludedKeywords);
});
links = links.Where(x => x.DataCleanStatus != (byte)DataCleanStatus.Excluded).ToList();
return(links);
}
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;
}
