/// <summary>
/// Gets the meta data.
/// </summary>
/// <param name="Url">The URL.</param>
public static SitesMeta GetMetaData(string Url)
{
SitesMeta meta = new SitesMeta();
var webGet = new HtmlWeb();
var document = new HtmlDocument();
try
{
document = webGet.Load(Url);
}
catch (Exception ex)
{
if (ex.Message == "The underlying connection was closed: The connection was closed unexpectedly.")
{
//Sometimes the default UserAgent errors out - possibly due to if the site is using some sort of UserAgent Sniffing
// Windows ME
webGet.UserAgent = "Opera/9.80 (Windows ME; U; Edition Campaign 21; en) Presto/2.6 Version/10.63";
document = webGet.Load(Url);
}
}
// Handle sites that might not exist anymore
if (document.DocumentNode.FirstChild != null)
{
//Get the Title of the website
meta.MetaTitle = document.DocumentNode.SelectSingleNode("//title").InnerText;
//Get MetaTags of the website
var metaTags = document.DocumentNode.SelectNodes("//meta");
if (metaTags != null)
{
foreach (var tag in metaTags)
{
//Check if Meta Description exists
if (tag.Attributes["name"] != null && tag.Attributes["content"] != null && tag.Attributes["name"].Value == "description")
{
meta.MetaDescription = tag.Attributes["content"].Value;
}
//Check if Meta Keywords exist
if (tag.Attributes["name"] != null && tag.Attributes["content"] != null && tag.Attributes["name"].Value == "keywords")
{
meta.MetaKeywords = tag.Attributes["content"].Value;
}
}
}
}
return(meta);
}
public IndexModule()
{
IDatabase db = new Database(ConfigurationManager.ConnectionStrings["db"].Name);
Get["/"] = _ =>
{
//TODO: Maybe create some sort of dashboard? Worse case - just redirect to /sites?
return(Response.AsRedirect("/sites"));
};
/// <summary>
/// Retrieves all sites.
/// </summary>
Get["/sites"] = _ =>
{
List <Sites> sites = db.Fetch <Sites>();
db.Dispose();
Model = sites;
return(View["index", Model]);
};
/// <summary>
/// Retrieves a specific site
/// </summary>
Get["/sites/{siteId}"] = parameter =>
{
string Id = parameter.siteId;
var site = db.FetchBy <Sites>(sql => sql.Where(x => x.SiteId == Id));
List <Tags> AllTags = db.Fetch <Tags>().ToList();
List <SiteTags> Tags = db.FetchBy <SiteTags>(sql => sql.Where(x => x.SiteId == Id)).ToList();
List <Tags> tagList = AllTags.Where(allTags => Tags.Select(tags => tags.TagId).Contains(allTags.TagId)).ToList();
bool firstCSV = true;
StringBuilder tagsCSV = new StringBuilder();
foreach (var tag in tagList)
{
if (!firstCSV)
{
tagsCSV.Append(",");
}
tagsCSV.Append(tag.TagName);
firstCSV = false;
}
Model.site = site;
Model.tags = tagsCSV.ToString();
db.Dispose();
return(View["update", Model]);
};
Post["/sites/meta"] = parameter =>
{
string requestedUrl = string.Empty;
if (Request.Form.Values.Count > 0)
{
foreach (var i in Request.Form.Values)
{
if (!string.IsNullOrWhiteSpace(requestedUrl))
{
break;
}
requestedUrl = i;
}
}
if (UriChecker.IsValidURI(requestedUrl))
{
SitesMeta metadata = GetMetaData(requestedUrl);
return(Response.AsJson(metadata));
}
else
{
return(HttpStatusCode.BadRequest);
}
};
/// <summary>
/// Update a specific site
/// </summary>
Put["/sites/{siteId}"] = parameter =>
{
string Id = parameter.siteId;
Sites snapshot = db.FetchBy <Sites>(sql => sql.Where(x => x.SiteId == Id)).FirstOrDefault();
Sites site = this.Bind <Sites>();
// Don't clear out fields existing fields.
site.Active = snapshot.Active;
site.DateTime = snapshot.DateTime;
site.MetaTitle = snapshot.MetaTitle;
site.MetaDescription = snapshot.MetaDescription;
site.MetaKeywords = snapshot.MetaKeywords;
db.Update(site);
db.Dispose();
string TagsPost = Request.Form.Tags.Value;
List <string> Tags = TagsPost.ToLower().Split(',').Select(s => s.Trim()).ToList();
List <Tags> AllTags = db.Fetch <Tags>();
db.Dispose();
List <string> AllTagNames = AllTags.Select(tn => tn.TagName).ToList();
//Delete all existing Tags for current site before linking up any new tags
db.Delete <SiteTags>("where SiteId = @0", Id);
db.Dispose();
foreach (string tag in Tags)
{
if (!AllTagNames.Contains(tag))
{
Tags newTag = new Tags();
newTag.TagId = ShortGuid.NewGuid().ToString();
newTag.TagName = tag;
newTag.Active = true;
db.Insert(newTag);
db.Dispose();
SiteTags newSiteTag = new SiteTags();
newSiteTag.SiteId = site.SiteId;
newSiteTag.TagId = newTag.TagId;
db.Insert(newSiteTag);
db.Dispose();
}
else
{
try
{
var ExistingTag = db.FetchBy <Tags>(sql => sql.Where(x => x.TagName == tag)).FirstOrDefault();
SiteTags newSiteTag = new SiteTags();
newSiteTag.SiteId = site.SiteId;
newSiteTag.TagId = ExistingTag.TagId;
db.Insert(newSiteTag);
db.Dispose();
}
catch
{
//Move along
}
}
}
return(Response.AsRedirect("/sites/" + Id));
};
/// <summary>
/// View for adding a new site
/// </summary>
Get["/sites/new"] = _ =>
{
return(View["sites", Model]);
};
Post["/sites/bulk"] = _ =>
{
var file = Request.Files.FirstOrDefault();
if (file != null)
{
var reader = new NetscapeBookmarksReader();
var bookmarks = reader.Read(file.Value);
foreach (var b in bookmarks.AllLinks)
{
//Don't create new bookmark if it already exists
if (!CheckIfBookmarkAlreadyExists(b.Url))
{
Debug.WriteLine("Type {0}, Title: {1}", b.GetType().Name, b.Title);
}
}
}
return(Response.AsRedirect("/sites"));
};
/// <summary>
/// Creates a new site
/// </summary>
Post["/sites"] = parameters =>
{
Sites site = this.Bind <Sites>();
//Don't create new bookmark if it already exists
if (!CheckIfBookmarkAlreadyExists(site.Url))
{
site.SiteId = ShortGuid.NewGuid().ToString();
site.Active = true;
site.DateTime = DateTime.UtcNow;
//Get the MetaData if it is a valid URI
if (UriChecker.IsValidURI(site.Url))
{
SitesMeta metadata = GetMetaData(site.Url);
site.MetaTitle = metadata.MetaTitle;
site.MetaDescription = metadata.MetaDescription;
site.MetaKeywords = metadata.MetaKeywords;
}
db.Insert(site);
db.Dispose();
//Get the tags for the bookmark and split them to a list
string TagsPost = Request.Form.Tags.Value;
List <string> Tags = TagsPost.ToLower().Split(',').Select(s => s.Trim()).ToList();
//Get all of the existing tags
List <Tags> AllTags = db.Fetch <Tags>();
db.Dispose();
//Get a list of the TagNames from of all the existing tags
List <string> AllTagNames = AllTags.Select(tn => tn.TagName).ToList();
//Check if the tag for the current bookmark already exists in the list of tags
foreach (string tag in Tags)
{
//Add a new tag since it doesn't exist
if (!AllTagNames.Contains(tag))
{
Tags newTag = new Tags();
newTag.TagId = ShortGuid.NewGuid().ToString();
newTag.TagName = tag;
newTag.Active = true;
db.Insert(newTag);
//Link the tag with the site
SiteTags newSiteTag = new SiteTags();
newSiteTag.SiteId = site.SiteId;
newSiteTag.TagId = newTag.TagId;
db.Insert(newSiteTag);
db.Dispose();
}
else
{
//Since the tag already exists, just link the tag with the site
var ExistingTag = db.FetchBy <Tags>(sql => sql.Where(x => x.TagName == tag)).FirstOrDefault();
SiteTags newSiteTag = new SiteTags();
newSiteTag.SiteId = site.SiteId;
newSiteTag.TagId = ExistingTag.TagId;
db.Insert(newSiteTag);
db.Dispose();
}
}
//Redirect to the new site
return(Context.GetRedirect("~/sites/" + site.SiteId));
}
//TODO: Probably would be better to redirect to the existing page.
return(Response.AsRedirect("/sites"));
};
}
