public SeoMetaTags GetMetaTags()
{
if (!File.Exists(MetaConfigFile))
{
return(null);
}
SeoMetaTags seoMetaTags = new SeoMetaTags();
using (XmlReader reader = XmlReader.Create(MetaConfigFile))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "MetaDescription":
seoMetaTags.MetaDescription = reader.ReadString();
break;
case "MetaKeywords":
seoMetaTags.MetaKeywords = reader.ReadString();
break;
case "TwitterCard":
seoMetaTags.TwitterCard = reader.ReadString();
break;
case "TwitterSite":
seoMetaTags.TwitterSite = reader.ReadString();
break;
case "TwitterCreator":
seoMetaTags.TwitterCreator = reader.ReadString();
break;
case "TwitterImage":
seoMetaTags.TwitterImage = reader.ReadString();
break;
case "FaceBookAdmins":
seoMetaTags.FaceBookAdmins = reader.ReadString();
break;
case "FaceBookAppID":
seoMetaTags.FaceBookAppID = reader.ReadString();
break;
}
}
}
}
return(seoMetaTags);
}
public static string CreateSeoMetaInformation(EntryCollection weblogEntries, IBlogDataService dataService)
{
string metaTags = "\r\n";
string currentUrl = HttpContext.Current.Request.Url.AbsoluteUri;
if (currentUrl.IndexOf("categoryview.aspx", StringComparison.OrdinalIgnoreCase) > -1 || currentUrl.IndexOf("default.aspx?month=", StringComparison.OrdinalIgnoreCase) > -1)
{
metaTags += MetaNoindexFollowPattern;
}
else if (currentUrl.IndexOf("permalink.aspx", StringComparison.OrdinalIgnoreCase) > -1)
{
if (weblogEntries.Count >= 1)
{
Entry entry = weblogEntries[0];
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("commentview.aspx", StringComparison.OrdinalIgnoreCase) > -1 && !string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["guid"]))
{
Entry entry = dataService.GetEntry(HttpContext.Current.Request.QueryString["guid"]);
if (entry != null)
{
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("commentview.aspx", StringComparison.OrdinalIgnoreCase) > -1 && !string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["title"]))
{
Entry entry = dataService.GetEntry(HttpContext.Current.Request.QueryString["title"]);
if (entry != null)
{
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("default.aspx", StringComparison.OrdinalIgnoreCase) > -1)
{
var smt = new SeoMetaTags();
smt = smt.GetMetaTags();
if (smt != null)
{
if (!string.IsNullOrEmpty(smt.MetaDescription))
{
metaTags += string.Format(MetaDescriptionTagPattern, smt.MetaDescription);
}
if (!string.IsNullOrEmpty(smt.MetaKeywords))
{
metaTags += string.Format(MetaKeywordTagPattern, smt.MetaKeywords);
}
}
metaTags += string.Format(CanonicalLinkPattern, SiteUtilities.GetBaseUrl());
}
return metaTags;
}
public static string CreateSeoMetaInformation(EntryCollection weblogEntries, IBlogDataService dataService)
{
string metaTags = "\r\n";
string currentUrl = HttpContext.Current.Request.Url.AbsoluteUri;
if (currentUrl.IndexOf("categoryview.aspx", StringComparison.OrdinalIgnoreCase) > -1 || currentUrl.IndexOf("default.aspx?month=", StringComparison.OrdinalIgnoreCase) > -1)
{
metaTags += MetaNoindexFollowPattern;
}
else if (currentUrl.IndexOf("permalink.aspx", StringComparison.OrdinalIgnoreCase) > -1)
{
if (weblogEntries.Count >= 1)
{
Entry entry = weblogEntries[0];
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("commentview.aspx", StringComparison.OrdinalIgnoreCase) > -1 && !string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["guid"]))
{
Entry entry = dataService.GetEntry(HttpContext.Current.Request.QueryString["guid"]);
if (entry != null)
{
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("commentview.aspx", StringComparison.OrdinalIgnoreCase) > -1 && !string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["title"]))
{
Entry entry = dataService.GetEntry(HttpContext.Current.Request.QueryString["title"]);
if (entry != null)
{
metaTags = GetMetaTags(metaTags, entry);
}
}
else if (currentUrl.IndexOf("default.aspx", StringComparison.OrdinalIgnoreCase) > -1)
{
var smt = new SeoMetaTags();
smt = smt.GetMetaTags();
if (smt != null)
{
if (!string.IsNullOrEmpty(smt.MetaDescription))
{
metaTags += string.Format(MetaDescriptionTagPattern, smt.MetaDescription);
}
if (!string.IsNullOrEmpty(smt.MetaKeywords))
{
metaTags += string.Format(MetaKeywordTagPattern, smt.MetaKeywords);
}
}
metaTags += string.Format(CanonicalLinkPattern, SiteUtilities.GetBaseUrl());
}
return(metaTags);
}
public static void Save(SeoMetaTags seoConfig)
{
System.Security.Principal.WindowsImpersonationContext wi = Impersonation.Impersonate();
XmlSerializer ser = new XmlSerializer(typeof(SeoMetaTags));
using (StreamWriter writer = new StreamWriter(MetaConfigFile))
{
ser.Serialize(writer, seoConfig);
}
wi.Undo();
}
private SeoMetaTags GetMetaTagsFromConfig()
{
if (!File.Exists(MetaConfigFile))
{
return null;
}
SeoMetaTags seoMetaTags = new SeoMetaTags();
using (XmlReader reader = XmlReader.Create(MetaConfigFile))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "MetaDescription":
seoMetaTags.MetaDescription = reader.ReadString();
break;
case "MetaKeywords":
seoMetaTags.MetaKeywords = reader.ReadString();
break;
case "TwitterCard":
seoMetaTags.TwitterCard = reader.ReadString();
break;
case "TwitterSite":
seoMetaTags.TwitterSite = reader.ReadString();
break;
case "TwitterCreator":
seoMetaTags.TwitterCreator = reader.ReadString();
break;
case "TwitterImage":
seoMetaTags.TwitterImage = reader.ReadString();
break;
case "FaceBookAdmins":
seoMetaTags.FaceBookAdmins = reader.ReadString();
break;
case "FaceBookAppID":
seoMetaTags.FaceBookAppID = reader.ReadString();
break;
}
}
}
}
return seoMetaTags;
}
private static string GetMetaTags(string metaTags, Entry entry)
{
// Canonical Tag
metaTags += string.Format(CanonicalLinkPattern, SiteUtilities.GetPermaLinkUrl(entry));
// Meta Description
string blogPostDescription;
string twitterImage;
string twitterVideo;
if (string.IsNullOrEmpty(entry.Description) || entry.Description.Length < 20)
{
blogPostDescription = entry.Content;
}
else
{
blogPostDescription = entry.Description;
}
//This is dangerous stuff, don't freak out if it doesn't work.
try
{
twitterImage = FindFirstImage(blogPostDescription);
twitterVideo = FindFirstYouTubeVideo(blogPostDescription);
}
catch(Exception ex)
{
Trace.WriteLine("Exception looking for Images and Video: " + ex.ToString());
twitterImage = string.Empty;
twitterVideo = string.Empty;
}
blogPostDescription = HttpUtility.HtmlDecode(blogPostDescription);
blogPostDescription = blogPostDescription.RemoveLineBreaks();
blogPostDescription = blogPostDescription.StripHtml();
blogPostDescription = blogPostDescription.RemoveDoubleSpaceCharacters();
blogPostDescription = blogPostDescription.Trim();
blogPostDescription = blogPostDescription.CutLongString(160);
blogPostDescription = blogPostDescription.RemoveQuotationMarks();
var smt = new SeoMetaTags();
smt = smt.GetMetaTags();
if (blogPostDescription.Length == 0)
blogPostDescription = smt.MetaDescription;
metaTags += string.Format(MetaDescriptionTagPattern, blogPostDescription);
// Meta Keywords
if (!string.IsNullOrEmpty(entry.Categories))
{
metaTags += string.Format(MetaKeywordTagPattern, entry.Categories.Replace(';', ','));
}
//Twitter SEO Integration
metaTags += string.Format(MetaTwitterCardPattern, smt.TwitterCard);
metaTags += string.Format(MetaTwitterSitePattern, smt.TwitterSite);
metaTags += string.Format(MetaTwitterCreatorPattern, smt.TwitterCreator);
metaTags += string.Format(MetaTwitterTitlePattern, entry.Title);
metaTags += string.Format(MetaTwitterDescriptionPattern, blogPostDescription.CutLongString(120));
if (twitterImage.Length > 0)
{
metaTags += string.Format(MetaTwitterImagePattern, twitterImage);
}
else if(twitterVideo.Length > 0)
{
metaTags += string.Format(MetaTwitterImagePattern, twitterVideo);
}
else
{
metaTags += string.Format(MetaTwitterImagePattern, smt.TwitterImage);
}
//FaceBook OG Integration
metaTags += string.Format(MetaFaceBookUrlPattern, SiteUtilities.GetPermaLinkUrl(entry));
metaTags += string.Format(MetaFaceBookTitlePattern, entry.Title);
if (twitterImage.Length > 0)
{
metaTags += string.Format(MetaFaceBookImagePattern, twitterImage);
}
else if (twitterVideo.Length > 0)
{
metaTags += string.Format(MetaFaceBookImagePattern, twitterVideo);
}
else
{
metaTags += string.Format(MetaFaceBookImagePattern, smt.TwitterImage);
}
metaTags += string.Format(MetaFaceBookDescriptionPattern, blogPostDescription.CutLongString(120));
metaTags += MetaFaceBookTypePattern;
metaTags += string.Format(MetaFaceBookAdminsPattern, smt.FaceBookAdmins);
metaTags += string.Format(MetaFaceBookAppIDPattern, smt.FaceBookAppID);
//Scheme.org meta data integration
metaTags += MetaSchemeOpenScript;
metaTags += MetaSchemeContext;
metaTags += MetaSchemeType;
metaTags += string.Format(MetaSchemeHeadline, entry.Title);
metaTags += string.Format(MetaSchemeDatePublished, entry.CreatedUtc.ToString("yyyy-MM-dd"));
metaTags += string.Format(MetaSchemeDescription, blogPostDescription.CutLongString(240));
metaTags += string.Format(MetaSchemeUrl, SiteUtilities.GetPermaLinkUrl(entry));
metaTags += string.Format(MetaSchemeImage, twitterImage);
metaTags += MetaSchemeCloseScript;
return metaTags;
}
private static string GetMetaTags(string metaTags, Entry entry)
{
// Canonical Tag
metaTags += string.Format(CanonicalLinkPattern, SiteUtilities.GetPermaLinkUrl(entry));
// Meta Description
string blogPostDescription;
string postImage;
string postVideo;
blogPostDescription = entry.Content;
//This is dangerous stuff, don't freak out if it doesn't work.
try
{
postImage = FindFirstImage(blogPostDescription);
postVideo = FindFirstYouTubeVideo(blogPostDescription);
}
catch (Exception ex)
{
Trace.WriteLine("Exception looking for Images and Video: " + ex.ToString());
postImage = string.Empty;
postVideo = string.Empty;
}
blogPostDescription = HttpUtility.HtmlDecode(blogPostDescription);
blogPostDescription = blogPostDescription.RemoveLineBreaks();
blogPostDescription = blogPostDescription.StripHtml();
blogPostDescription = blogPostDescription.RemoveDoubleSpaceCharacters();
blogPostDescription = blogPostDescription.Trim();
blogPostDescription = blogPostDescription.CutLongString(160);
blogPostDescription = blogPostDescription.RemoveQuotationMarks();
var smt = new SeoMetaTags();
smt = smt.GetMetaTags();
if (blogPostDescription.Length == 0)
{
blogPostDescription = smt.MetaDescription;
}
metaTags += string.Format(MetaDescriptionTagPattern, blogPostDescription);
// Meta Keywords
if (!string.IsNullOrEmpty(entry.Categories))
{
metaTags += string.Format(MetaKeywordTagPattern, entry.Categories.Replace(';', ','));
}
//Twitter SEO Integration
metaTags += string.Format(MetaTwitterCardPattern, smt.TwitterCard);
metaTags += string.Format(MetaTwitterSitePattern, smt.TwitterSite);
metaTags += string.Format(MetaTwitterCreatorPattern, smt.TwitterCreator);
metaTags += string.Format(MetaTwitterTitlePattern, entry.Title);
metaTags += string.Format(MetaTwitterDescriptionPattern, blogPostDescription.CutLongString(120));
if (postImage.Length > 0)
{
metaTags += string.Format(MetaTwitterImagePattern, postImage);
}
else if (postVideo.Length > 0)
{
metaTags += string.Format(MetaTwitterImagePattern, postVideo);
}
else
{
metaTags += string.Format(MetaTwitterImagePattern, smt.TwitterImage);
}
//FaceBook OG Integration
metaTags += string.Format(MetaFaceBookUrlPattern, SiteUtilities.GetPermaLinkUrl(entry));
metaTags += string.Format(MetaFaceBookTitlePattern, entry.Title);
if (postImage.Length > 0)
{
metaTags += string.Format(MetaFaceBookImagePattern, postImage);
}
else if (postVideo.Length > 0)
{
metaTags += string.Format(MetaFaceBookImagePattern, postVideo);
}
else
{
metaTags += string.Format(MetaFaceBookImagePattern, smt.TwitterImage);
}
metaTags += string.Format(MetaFaceBookDescriptionPattern, blogPostDescription.CutLongString(120));
metaTags += MetaFaceBookTypePattern;
metaTags += string.Format(MetaFaceBookAdminsPattern, smt.FaceBookAdmins);
metaTags += string.Format(MetaFaceBookAppIDPattern, smt.FaceBookAppID);
//Scheme.org meta data integration
metaTags += MetaSchemeOpenScript;
metaTags += MetaSchemeContext;
metaTags += MetaSchemeType;
metaTags += string.Format(MetaSchemeHeadline, entry.Title);
metaTags += string.Format(MetaSchemeDatePublished, entry.CreatedUtc.ToString("yyyy-MM-dd"));
metaTags += string.Format(MetaSchemeDescription, blogPostDescription.CutLongString(240));
metaTags += string.Format(MetaSchemeUrl, SiteUtilities.GetPermaLinkUrl(entry));
metaTags += string.Format(MetaSchemeImage, postImage);
metaTags += MetaSchemeCloseScript;
return(metaTags);
}
