private void NewsletterFeed(string newsletterName, XmlTextWriter newsletter)
{
NewsletterManager nm = new NewsletterManager(Federation, TheLinkMaker);
TopicVersionInfo info = Federation.GetTopicInfo(newsletterName);
if (!info.Exists)
{
throw new Exception("Newsletter " + newsletterName + " does not exist.");
}
if (!info.HasProperty("Topics"))
{
throw new Exception("Topic " + newsletterName + " is not a newsletter; no Topics property defined.");
}
string desc = info.GetProperty("Description");
if (desc == null)
{
desc = "";
}
newsletter.WriteStartDocument();
newsletter.WriteStartElement("rss");
newsletter.WriteAttributeString("version", "2.0");
newsletter.WriteStartElement("channel");
newsletter.WriteElementString("title", newsletterName);
newsletter.WriteElementString("description", desc);
Uri link = new Uri(new Uri(FullRootUrl(Request)), TheLinkMaker.LinkToTopic(info.TopicRevision, true));
newsletter.WriteElementString("link", link.AbsoluteUri);
DateTime last = DateTime.MinValue;
foreach (QualifiedTopicName topic in nm.AllTopicsForNewsletter(info.TopicRevision.AsQualifiedTopicName()))
{
FormatRssItem(topic, newsletter);
TopicVersionInfo each = new TopicVersionInfo(Federation, topic.AsQualifiedTopicRevision());
DateTime lm = each.LastModified;
if (lm > last)
{
last = lm;
}
}
newsletter.WriteElementString("lastBuildDate", last.ToUniversalTime().ToString("r"));
newsletter.WriteEndElement();
newsletter.WriteEndElement();
}
public void BuildFeed()
{
QualifiedTopicRevision topic = GetTopicVersionKey();
NamespaceManager storeManager = Federation.NamespaceManagerForTopic(topic);
LinkMaker lm = TheLinkMaker;
ArrayList entryList = new ArrayList();
StringBuilder feed = new StringBuilder();
StringBuilder errFeed = new StringBuilder();
StringBuilder errEntry = new StringBuilder();
bool feedInit = false;
bool feedError = false;
bool entryError = false;
string author = "";
string feedTitle = "";
string feedUUID = "";
string feedLogo = "";
string feedIcon= "";
string blogCategory ="";
feed.AppendLine(@"<?xml version=""1.0"" encoding=""utf-8""?>");
feed.AppendLine(@"<!DOCTYPE message [");
feed.AppendLine("<!ENTITY nbsp \" \"> ]>");
feed.AppendLine(@"<feed xmlns=""http://www.w3.org/2005/Atom"">");
errFeed.AppendLine(@"<pre id=""Error"" class=""Error"" style=""background: #F00;"">");
errFeed.AppendLine("The Feed errors described below need to be corrected");
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("Title"))
{
feedTitle = storeManager.GetTopicProperty(topic.LocalName, "Title").LastValue;
}
else
{
feedError = true;
}
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("Creator"))
{
author = storeManager.GetTopicProperty(topic.LocalName, "Creator").LastValue;
}
string feedLink = BaseUrl + lm.LinkToTopic(topic);
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("FeedUUID"))
{
feedUUID = storeManager.GetTopicProperty(topic.LocalName, "FeedUUID").LastValue;
}
else
{
feedError = true;
}
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("FeedLogo"))
{
feedLogo = storeManager.GetTopicProperty(topic.LocalName, "FeedLogo").LastValue;
}
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("FeedIcon"))
{
feedIcon = storeManager.GetTopicProperty(topic.LocalName, "FeedIcon").LastValue;
}
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("BlogCategory"))
{
blogCategory = storeManager.GetTopicProperty(topic.LocalName, "BlogCategory").LastValue;
}
if (storeManager.GetTopicInfo(topic.LocalName).HasProperty("BlogTopics"))
{
entryList = storeManager.GetTopicInfo(topic.LocalName).GetListProperty("BlogTopics");
}
ParserEngine _parser = new ParserEngine(storeManager.Federation);
errEntry.AppendLine(@"<pre id=""Error"" class=""Error"" style=""background: #F00;"">");
errEntry.AppendLine("The Entry errors described below need to be corrected");
if (entryList.Count > 0)
{
foreach (string entryTopicName in entryList)
{
string entryTitle = "";
string entryAuthor = "";
string entryLink = "";
string entryUUID = "";
string entryContent = "";
System.DateTime lastModified = new DateTime();
QualifiedTopicRevision entryTopicRev = new QualifiedTopicRevision(entryTopicName, storeManager.Namespace);
TopicVersionInfo topicVerInfo = new TopicVersionInfo(storeManager.Federation, entryTopicRev);
if (topicVerInfo.Exists)
{
if (storeManager.GetTopicInfo(entryTopicName).HasProperty("Creator"))
{
entryAuthor = storeManager.GetTopicProperty(entryTopicName, "Creator").LastValue;
if (String.IsNullOrEmpty(author))
{
author = entryAuthor;
}
}
else
{
if (!String.IsNullOrEmpty(author))
{
entryAuthor = author;
}
else
{
feedError = true;
errFeed.AppendLine(" Error: The feed does not have a property named 'Creator' or the property does not contain a value.");
author = "Author Unspecified";
entryAuthor = author;
}
}
if (storeManager.GetTopicInfo(entryTopicName).HasProperty("Title"))
{
entryTitle = storeManager.GetTopicProperty(entryTopicName, "Title").LastValue;
}
else
{
entryTitle = storeManager.GetTopicInfo(entryTopicName).ExposedFormattedName;
}
lastModified = storeManager.GetTopicLastModificationTime(entryTopicName).ToUniversalTime();
if (!feedInit)
{
if (feedError)
{
feedError = true;
if (entryList.Count == 0)
{
errFeed.AppendLine("Error: Feed does not have a property 'BlogTopics' or that property value is empty");
}
if (!String.IsNullOrEmpty(feedTitle))
{
feed.AppendFormat(@"<title>{0}</title>", feedTitle);
}
else
{
feed.AppendLine("<title>Feed title Unspecified</title>");
errFeed.AppendLine("Error: Feed does not have a property 'Title' or value is empty.");
}
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", author);
feed.AppendLine(@"</author>");
if (!String.IsNullOrEmpty(feedUUID))
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", feedUUID);
}
else
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", System.Guid.NewGuid().ToString());
errFeed.AppendLine("Error: Feed does not have a property 'FeedUUID' or value is empty. A temporary value has been assigned");
}
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
if (!String.IsNullOrEmpty(feedLogo))
{
feed.AppendFormat(@"<logo>{0}</logo>", feedLogo);
}
if (!String.IsNullOrEmpty(feedIcon))
{
feed.AppendFormat(@"<icon>{0}</icon>", feedIcon);
}
if (!String.IsNullOrEmpty(blogCategory))
{
feed.AppendFormat(@"<category term=""{0}"" />", blogCategory);
}
errFeed.AppendLine("</pre>");
}
else
{
feed.AppendFormat(@"<title>{0}</title>", feedTitle);
feed.AppendFormat(@"<link href=""{0}"" rel=""self"" type=""application/atom+xml"" />", feedLink);
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
feed.AppendFormat(@"<icon>{0}</icon>", feedIcon);
feed.AppendFormat(@"<logo>{0}</logo>", feedLogo);
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", author);
feed.AppendLine(@"</author>");
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", feedUUID);
if (!String.IsNullOrEmpty(blogCategory))
{
feed.AppendFormat(@"<category term=""{0}"" />", blogCategory);
}
}
feedInit = true;
}
if (storeManager.GetTopicInfo(entryTopicName).HasProperty("EntryUUID"))
{
entryUUID = storeManager.GetTopicProperty(entryTopicName, "EntryUUID").LastValue;
}
else
{
entryError = true;
entryUUID = System.Guid.NewGuid().ToString();
errEntry.AppendLine("Error: Entry does not have a property 'EntryUUID' or value is empty. A temporary value has been assigned");
}
entryLink = BaseUrl + lm.LinkToTopic(entryTopicRev);
errEntry.AppendLine("</pre>");
string body = storeManager.GetTopicInfo(entryTopicName).GetProperty("_Body").ToString();
WomDocument xmldoc = new WomDocument(null);
xmldoc = _parser.FormatTextFragment(body, entryTopicRev, storeManager, true, 600);
xmldoc.ParsedDocument = @"<?xml version=""1.0"" encoding=""utf-8""?>
<!DOCTYPE message [
<!ENTITY nbsp "" ""> ]>
<div id=""womDocRoot"">" + xmldoc.ParsedDocument + "</div>";
entryContent = _parser.WikiToPresentation(xmldoc.XmlDoc);
//string entryContent = Formatter.FormattedTopic(entryTopicRev, OutputFormat.HTML, null, storeManager.Federation, lm);
feed.AppendLine(@"<entry>");
feed.AppendFormat(@"<title>{0}</title>", entryTitle);
feed.AppendFormat(@"<link href=""{0}"" />", entryLink);
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", entryUUID);
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
//feed.AppendLine(@"<content>");
feed.AppendLine(@"<content type=""xhtml"">");
feed.AppendLine(@"<div xmlns=""http://www.w3.org/1999/xhtml"">");
if (feedError)
{
feed.Append(errFeed.ToString());
}
if (entryError)
{
feed.Append(errEntry.ToString());
}
feed.Append(entryContent);
feed.AppendLine("</div>");
feed.AppendLine("</content>");
if (storeManager.GetTopicInfo(entryTopicName).HasProperty("Keywords"))
{
ArrayList keywordsList = storeManager.GetTopicInfo(entryTopicName).KeywordsList;
foreach (string keyword in keywordsList)
{
feed.AppendFormat(@"<category term=""{0}"" />", keyword);
}
}
feed.AppendLine("</entry>");
}
else
{
entryError = true;
errEntry.AppendLine("Error: The topic specified in the property 'BlogContents' does not exist.");
if (feedError)
{
feedError = true;
if (entryList.Count == 0)
{
errFeed.AppendLine("Error: Feed does not have a property 'BlogTopics' or that property value is empty");
}
if (!String.IsNullOrEmpty(feedTitle))
{
feed.AppendFormat(@"<title>{0}</title>", feedTitle);
}
else
{
feed.AppendLine("<title>Feed title Unspecified</title>");
errFeed.AppendLine("Error: Feed does not have a property 'Title' or value is empty.");
}
if (!String.IsNullOrEmpty(author))
{
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", author);
feed.AppendLine(@"</author>");
}
else
{
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", "Author Unspecified");
feed.AppendLine(@"</author>");
errFeed.AppendLine("Error: Feed does not have a property 'Creator' or value is empty. This may occur as there was no valid entry found to provide a 'Creator' property.");
}
if (!String.IsNullOrEmpty(feedUUID))
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", feedUUID);
}
else
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", System.Guid.NewGuid().ToString());
errFeed.AppendLine("Error: Feed does not have a property 'FeedUUID' or value is empty. A temporary value has been assigned");
}
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
if (!String.IsNullOrEmpty(feedLogo))
{
feed.AppendFormat(@"<logo>{0}</logo>", feedLogo);
}
if (!String.IsNullOrEmpty(feedIcon))
{
feed.AppendFormat(@"<icon>{0}</icon>", feedIcon);
}
if (!String.IsNullOrEmpty(blogCategory))
{
feed.AppendFormat(@"<category term=""{0}"" />", blogCategory);
}
errFeed.AppendLine("</pre>");
}
else
{
feed.AppendFormat(@"<title>{0}</title>", feedTitle);
feed.AppendFormat(@"<link href=""{0}"" rel=""self"" type=""application/atom+xml"" />", feedLink);
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
feed.AppendFormat(@"<icon>{0}</icon>", feedIcon);
feed.AppendFormat(@"<logo>{0}</logo>", feedLogo);
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", author);
feed.AppendLine(@"</author>"); feed.AppendFormat(@"<id>urn:uuid:{0}</id>", feedUUID);
if (!String.IsNullOrEmpty(blogCategory))
{
feed.AppendFormat(@"<category term=""{0}"" />", blogCategory);
}
}
errEntry.AppendLine("</pre>");
feed.AppendLine(@"<entry>");
feed.AppendFormat(@"<title>{0}</title>", entryTitle);
feed.AppendFormat(@"<link href=""{0}"" />", entryLink);
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", entryUUID);
feed.AppendFormat(@"<updated>{0:s}Z</updated>", lastModified);
//feed.AppendLine(@"<content>");
feed.AppendLine(@"<content type=""xhtml"">");
feed.AppendLine(@"<div xmlns=""http://www.w3.org/1999/xhtml"">");
if (feedError)
{
feed.Append(errFeed.ToString());
}
if (entryError)
{
feed.Append(errEntry.ToString());
}
feed.Append(entryContent);
feed.AppendLine("</div>");
feed.AppendLine("</content>");
if (storeManager.GetTopicInfo(entryTopicName).HasProperty("Keywords"))
{
ArrayList keywordsList = storeManager.GetTopicInfo(entryTopicName).KeywordsList;
foreach (string keyword in keywordsList)
{
feed.AppendFormat(@"<category term=""{0}"" />", keyword);
}
}
feed.AppendLine("</entry>");
} //end topicVerInfo does not exist
}
}
else
{
feedError = true;
if (entryList.Count == 0)
{
errFeed.AppendLine("Error: Feed does not have a property 'BlogTopics' or that property value is empty");
}
if (!String.IsNullOrEmpty(feedTitle))
{
feed.AppendFormat(@"<title>{0}</title>", feedTitle);
}
else
{
feed.AppendLine("<title>Feed title Unspecified</title>");
errFeed.AppendLine("Error: Feed does not have a property 'Title' or value is empty.");
}
if (!String.IsNullOrEmpty(author))
{
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", author);
feed.AppendLine(@"</author>");
}
else
{
feed.AppendLine(@"<author>");
feed.AppendFormat(@"<name>{0}</name>", "Author Unspecified");
feed.AppendLine(@"</author>");
errFeed.AppendLine("Error: Feed does not have a property 'Creator' or value is empty. This may occur as there was no valid entry found to provide a 'Creator' property.");
}
if (!String.IsNullOrEmpty(feedUUID))
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", feedUUID);
}
else
{
feed.AppendFormat(@"<id>urn:uuid:{0}</id>", System.Guid.NewGuid().ToString());
errFeed.AppendLine("Error: Feed does not have a property 'FeedUUID' or value is empty. A temporary value has been assigned");
}
feed.AppendFormat(@"<updated>{0:s}Z</updated>", System.DateTime.Now.ToUniversalTime());
if (!String.IsNullOrEmpty(feedLogo))
{
feed.AppendFormat(@"<logo>{0}</logo>", feedLogo);
}
if (!String.IsNullOrEmpty(feedIcon))
{
feed.AppendFormat(@"<icon>{0}</icon>", feedIcon);
}
if (!String.IsNullOrEmpty(blogCategory))
{
feed.AppendFormat(@"<category term=""{0}"" />", blogCategory);
}
errFeed.AppendLine("</pre>");
feed.AppendLine(@"<entry>");
feed.AppendLine(@"<title>Error Information</title>");
feed.AppendLine(@"<content type=""xhtml"">");
feed.AppendLine(@"<div xmlns=""http://www.w3.org/1999/xhtml"">");
feed.Append(errFeed.ToString());
feed.AppendLine("</div>");
feed.AppendLine("</content>");
feed.AppendLine(@"</entry>");
}
feed.AppendLine("</feed>");
Response.Write(feed.ToString());
}
