public async Task <Models.Content.NewsContent> ContentInfo(string id)
{
var model = new Models.Content.NewsContent()
{
content = string.Empty,
contenttype = 0,
image = string.Empty,
lead = string.Empty,
rotitr = string.Empty,
rssid = string.Empty,
tags = new List <string>(),
titr = string.Empty,
basecontentid = string.Empty,
userid = string.Empty,
_id = string.Empty,
};
try
{
var _model = await NoSql.Instance.RunCommandAsync <BsonDocument>("{aggregate:'content',pipeline:[{$match:{_id:ObjectId('" + id + "')}},{$limit:1}]}");
if (_model.GetValue("result").AsBsonArray.Any())
{
model = MongoDB.Bson.Serialization.BsonSerializer.Deserialize <Models.Content.NewsContent>(_model.GetValue("result")[0].AsBsonDocument);
}
}
catch (Exception ex)
{
}
return(model);
}
public async Task <bool> AddContent(Models.Content.NewsContent model)
{
try
{
var _id = ObjectId.GenerateNewId().ToString();
if (model.tags == null)
{
model.tags = new List <string>();
}
var res = await NoSql.Instance.RunCommandAsync <BsonDocument>("{update:'content',updates:[{q:{_id:ObjectId('" + _id + "')},u:{$set:{_id:ObjectId('" + _id + "'),userid:'" + model.userid + "',contenttype:" + model.contenttype + ",rssid:'" + model.rssid + "',basecontentid:'" + model.basecontentid + "',titr:'" + model.titr + "',rotitr:'" + model.rotitr + "',lead:'" + model.lead + "',content:'" + model.content + "',image:'" + model.image + "',tags:" + model.tags.toJSON() + ",createdateticks:" + DateTime.Now.Ticks + ",url:'" + model.url + "'}},upsert:true}]}");
//var collection = NoSql.Instance.GetCollection<BsonDocument>("content");
//await collection.InsertOneAsync(model.ToBsonDocument());
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public async Task <bool> Crawler(Models.BaseContent.BaseContent model)
{
try
{
string htmlContent = "";
var uri = new Uri(model.url);
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0");
client.DefaultRequestHeaders.Add("Host", uri.Authority);
using (var r = await client.GetAsync(uri))
{
htmlContent = await r.Content.ReadAsStringAsync();
}
}
var parser = new HtmlParser();
var document = parser.Parse(htmlContent);
var rssModel = await ContentManagerRepository.RssInfo(model.rssid);
var SiteModel = await ContentManagerRepository.SiteInfo(rssModel.siteid);
//var template = Util.Common.fromJSON<Models.Crawl.CrawlTemplate>(System.IO.File.ReadAllText(HttpContext.Current.Server.MapPath("~/Models/simplecrawltemplate.json")));
//var template = Util.Common.fromJSON<Models.Crawl.CrawlTemplate>(System.IO.File.ReadAllText(HostingEnvironment.MapPath("~/Models/simplecrawltemplate.json")));
var template = SiteModel.template.FirstOrDefault();
if (template != null)
{
var content = new Models.Content.NewsContent();
content.rssid = model.rssid;
content.userid = model.userid;
content.contenttype = (int)Util.Configuration.ContentType.News;
content.basecontentid = model._id;
content.url = model.url;
foreach (var item in template.structure)
{
var element = document.QuerySelector(item.query);
var elementcontent = "";
if (element != null && !string.IsNullOrWhiteSpace(item.query))
{
switch (item.type)
{
case "innerhtml":
elementcontent = Util.Common.CleanHtmlContent(element.InnerHtml);
break;
case "src":
elementcontent = new Uri(uri, element.GetAttribute(item.type)).ToString();
break;
default:
break;
}
try
{
content.GetType().GetProperty(item.field).SetValue(content, elementcontent, null);
}
catch
{
}
}
}
var result = await ContentRepository.AddContent(content);
if (result)
{
await baseContentRepository.ChangeIsCrawled(model);
}
return(result);
}
return(false);
}
catch (Exception e)
{
return(false);
}
}
