Ejemplo n.º 1
0
        private static void WriteRssItem(RssItem rssItem, XmlTextWriter writer)
        {
            writer.WriteStartElement("item");
            writer.WriteElementString("title", rssItem.Title);
            writer.WriteElementString("link", URIHelper.ConvertToAbsUrl(rssItem.Link));

            string shortDesc = StringHelper.StripHtmlTags(rssItem.Description);

            if (shortDesc.Length > 255)
            {
                shortDesc = shortDesc.Substring(0, 255) + " ...";
            }

            writer.WriteElementString("description", shortDesc);
            writer.WriteElementString("author", rssItem.Author);
            writer.WriteElementString("pubDate", rssItem.PubDate);
            writer.WriteElementString("updated", rssItem.Updated);
            writer.WriteEndElement();
        }
Ejemplo n.º 2
0
        public string GetMetaDescription()
        {
            if (!string.IsNullOrEmpty(contextMetaDescription))
            {
                return(contextMetaDescription);
            }

            var description = StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(MetaDescription));

            if (string.IsNullOrEmpty(description))
            {
                description = StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(this.ShortDescription)).Trim();
            }

            if (description.Length < 100)
            {
                var mainContent = StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(this.MainContent)).Trim();

                if (mainContent.Contains("<script") || mainContent.Contains("<style"))
                {
                    var htmlDocument = new HtmlAgilityPack.HtmlDocument();
                    htmlDocument.LoadHtml(mainContent);

                    htmlDocument.DocumentNode.Descendants()
                    .Where(n => n.Name == "script" || n.Name == "style" || n.NodeType == HtmlAgilityPack.HtmlNodeType.Comment)
                    .ToList()
                    .ForEach(n => n.Remove());

                    mainContent = StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(StringHelper.StripHtmlTags(htmlDocument.DocumentNode.InnerText.Trim())));
                }

                if (mainContent.Length > description.Length)
                {
                    description = mainContent;
                }
            }

            description = StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(StringHelper.StripHtmlTags(description)));

            if (description.Length > 255)
            {
                description = description.Substring(0, 255) + " ...";
            }

            if (string.IsNullOrEmpty(description))
            {
                description = GetPageTitle();
            }

            /*if ((description == "") || (description == LinkTitle))
             * {
             *  description = StringHelper.StripHtmlTags(StringHelper.StripExtraSpaces(StringHelper.StripExtraLines(this.MainContent)));
             *
             *  if (description.Length > 255)
             *      description = description.Substring(0, 255) + " ...";
             * }*/

            description = Regex.Replace(description, "{.*}", "");

            contextMetaDescription = description;

            return(contextMetaDescription);
        }