public ActionResult Create([Bind(Include = "CategoryId,Description")] Category category)
{
if (ModelState.IsValid)
{
db.Categories.Add(category);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(category));
}
public ActionResult Create([Bind(Include = "AuthorId,Name")] Author author)
{
if (ModelState.IsValid)
{
db.Authors.Add(author);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(author));
}
public ActionResult Create([Bind(Include = "ImageId,Url,ArticleId")] Image image)
{
if (ModelState.IsValid)
{
db.Images.Add(image);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.ArticleId = new SelectList(db.Articles, "ArticleId", "Title", image.ArticleId);
return(View(image));
}
public ActionResult Create([Bind(Include = "ArticleId,Title,Content,PubDate,CategoryId,AuthorId")] Article article)
{
if (ModelState.IsValid)
{
db.Articles.Add(article);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.AuthorId = new SelectList(db.Authors, "AuthorId", "Name", article.AuthorId);
ViewBag.CategoryId = new SelectList(db.Categories, "CategoryId", "Description", article.CategoryId);
return(View(article));
}
public ActionResult Index(string RSSURL)
{
// Tạo đối tượng WebClient để downl nội dung của 1 Url
WebClient wclient = new WebClient();
wclient.Encoding = Encoding.UTF8;
string RSSDATA = wclient.DownloadString(RSSURL);
// Ép kiểu sang xml và đọc các thông tin cơ bản của 1 rss feed
XDocument xml = XDocument.Parse(RSSDATA);
var RSSFeedData = (from x in xml.Descendants("item")
select new RSSFeed
{
Title = ((string)x.Element("title")),
Link = ((string)x.Element("link")),
Description = ((string)x.Element("description")),
PubDate = ((string)x.Element("pubDate"))
});
ViewBag.RSSFeed = RSSFeedData;
ViewBag.URL = RSSURL;
try
{
foreach (var item in ViewBag.RSSFeed)
{
string title = item.Title;
var article = (from a in db.Articles
where a.Title == title
select a).FirstOrDefault <Article>();
if (article != null)
{
// neu da ton tai bao bai thi continue sang buoc lap ke tiep
continue;
}
else
{
string s = wclient.DownloadString(item.Link);
var content = s.Substring(
s.IndexOf("<div class=\"content\">"),
s.IndexOf("<div class=\"author\">") - s.IndexOf("<div class=\"content\">"));
var pic = s.Substring(
s.IndexOf("<figure class=\"image\""),
s.IndexOf("</figure>") - s.IndexOf("<figure class=\"image\"")
);
var image = pic.Substring(
pic.IndexOf("<img"),
pic.IndexOf("<figcaption>") - pic.IndexOf("<img")
);
var url = image.Substring(
image.IndexOf("http"),
image.IndexOf("\">") - image.IndexOf("http")
);
// Them vao csdl -> Category -> Author -> Article -> Image
var cate = db.Categories.Where(c => c.Description == "RSS")
.FirstOrDefault <Category>();
var aut = db.Authors.Where(a => a.Name == "Đ.H Bửu")
.FirstOrDefault <Author>();
Article art = new Article();
art.AuthorId = aut.AuthorId;
art.CategoryId = cate.CategoryId;
art.PubDate = DateTime.UtcNow;
art.Content = content;
art.Title = item.Title;
db.Articles.Add(art);
db.SaveChanges();
Image im = new Image();
im.ArticleId = art.ArticleId;
im.Url = url;
db.Images.Add(im);
db.SaveChanges();
}
}
}
catch (Exception)
{
return(RedirectToAction("Index", "Articles"));
}
return(RedirectToAction("Index", "Articles"));
}
