public bool RemoveForumFromPins(ForumMetadata forum)
{
if (PinnedForumIDs == null)
return false;
return PinnedForumIDs.Remove(forum.ForumID);
}
public void AddForumToPins(ForumMetadata forum)
{
if (PinnedForumIDs == null)
PinnedForumIDs = new List<string>();
if (!PinnedForumIDs.Contains(forum.ForumID))
PinnedForumIDs.Add(forum.ForumID);
}
public void SetMetadata(ForumMetadata data)
{
this._data = data;
this.UniqueId = data.ForumID;
this.Title = data.ForumName;
this.Subtitle = data.ForumName;
this.OnPropertyChanged("Data");
}
public virtual IEnumerable <Data.ThreadDataSource> LoadThreadsFromPage(string forumId, int pageNumber)
{
var forum = new ForumMetadata()
{
ForumID = forumId
};
return(LoadThreadsFromPage(forum, pageNumber));
}
private IEnumerable <Data.ThreadDataSource> LoadThreadsFromPage(ForumMetadata forum, int pageNumber)
{
List <Data.ThreadDataSource> threads = null;
var forumPageData = forum.Page(pageNumber);
if (forumPageData != null)
{
UpdateStatus("Formatting...");
threads = Data.ForumThreadCollection.CreateThreadSources(forumPageData, forum);
if (this._threadListModel is Data.ForumThreadCollection)
{
(this._threadListModel as Data.ForumThreadCollection).LastUpdated = DateTime.Now;
}
}
return(threads);
}
public static IEnumerable<ForumMetadata> ParseShallowForumList(HtmlDocument doc)
{
List<ForumMetadata> forums = new List<ForumMetadata>(100);
if (doc == null)
return forums;
try
{
var parent = doc.DocumentNode;
var title = parent.Descendants("title").FirstOrDefault();
if (title != null && title.InnerText.ToLower().Contains("banned"))
throw new BannedAccountException("Cannot parse forums using a banned account.");
// get all unique links off the page with hrefs containing "forumdisplay.php"
// and with nonempty class attributes
var forumAnchors = parent.Descendants("a")
.Where(anchor =>
anchor.GetAttributeValue("href", string.Empty).Contains("forumdisplay.php") &&
!anchor.GetAttributeValue("class", "empty").Equals("empty"))
.Distinct(new GenericEqualityComparer<HtmlNode>(
(node1, node2) => node1.Attributes["href"].Value == node2.Attributes["href"].Value,
(node) => node.Attributes["href"].GetHashCode()))
.ToList();
foreach(var anchor in forumAnchors)
{
// expected href: forumdisplay.php?forumid=<id>
if (!string.IsNullOrEmpty(anchor.InnerText))
{
string href = anchor.Attributes["href"].Value;
string forumID = href.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries)[1];
string forumTitle = WebUtility.HtmlDecode(anchor.InnerText);
ForumMetadata forum = new ForumMetadata() { ForumID = forumID, ForumName = forumTitle };
forum.Category = forum.GetGroup();
forums.Add(forum);
}
}
}
catch (BannedAccountException bae) { throw bae; }
catch (Exception) { }
return forums;
}
public bool IsForumPinned(ForumMetadata forum)
{
if (PinnedForumIDs == null)
return false;
return PinnedForumIDs.Contains(forum.ForumID);
}
private static ForumMetadata CreateForumMetadata(HtmlNode node)
{
ForumMetadata result = null;
var value = node.Attributes["value"].Value;
int id = -1;
// instantiate only if the forum has a valid id
if (int.TryParse(value, out id) && id > -1)
{
result = new ForumMetadata() { ForumID = value }
.ParseForumName(node)
.ParseForumLevelCount(node)
.ParseForumGroup();
}
return result;
}
public bool IsPinned(ForumMetadata forum)
{
return ContainsForum(forum);
}
public bool UnpinForum(ForumMetadata forum)
{
var pinned = PinnedForums.Where(x => x.ForumID.Equals(forum.ForumID)).SingleOrDefault();
if (pinned != null)
return PinnedForums.Remove(pinned);
return false;
}
private bool ContainsForum(ForumMetadata forum)
{
var contains = PinnedForums.Contains(forum, new GenericEqualityComparer<ForumMetadata>(
(x, y) => x.ForumID.Equals(y.ForumID),
(x) => x.ForumID.GetHashCode()));
return contains;
}
public void PinForum(ForumMetadata forum)
{
if (!ContainsForum(forum))
PinnedForums.Add(forum);
}
public static List <ThreadDataSource> CreateThreadSources(ForumPageMetadata page, ForumMetadata forum)
{
var threads = new List <ThreadDataSource>(page.Threads.Count);
foreach (var thread in page.Threads)
{
var source = new ThreadDataSource(thread);
source.ForumID = forum.ForumID;
threads.Add(source);
}
return(threads);
}
public ForumDataSource(ForumMetadata data)
: base()
{
SetMetadata(data);
}
