/// <summary>
/// Process trackback parameters.
/// </summary>
private void ProcessParameters()
{
TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);
TreeNode node = tree.SelectSingleNode(postGuid, culture, SiteContext.CurrentSiteName);
// Check that requested blog post exists
if (node != null)
{
node = TreeHelper.SelectSingleDocument(node.DocumentID);
// Check if comment from given URL is not already inserted
int existingComment = BlogCommentInfoProvider.GetBlogComments()
.Column("CommentID")
.WhereEquals("CommentPostDocumentID", node.DocumentID)
.WhereTrue("CommentIsTrackback")
.WhereEquals("CommentUrl", url)
.Count;
if (existingComment == 0)
{
// Check if blog for blog post exists
TreeNode blogNode = BlogHelper.GetParentBlog(node.DocumentID, false);
if (blogNode != null)
{
// Check if comments are opened
int days = ValidationHelper.GetInteger(blogNode.GetValue("BlogOpenCommentsFor"), 0);
// Check if comments are always opened
bool opened = (days == BlogProperties.OPEN_COMMENTS_ALWAYS);
// Check if comments are opened in present time
if ((ValidationHelper.GetDateTime(node.GetValue("BlogPostDate"), DateTime.Today).AddDays(days)) >= DateTime.Today)
{
opened = true;
}
// Check if comments are disabled
if (days == BlogProperties.OPEN_COMMENTS_DISABLE)
{
opened = false;
}
// Check if trackback comments are enabled, anonymous comments are enabled, comments are enabled in present time and blog post allow comments
if (ValidationHelper.GetBoolean(blogNode.GetValue("BlogEnableTrackbacks"), false) && (ValidationHelper.GetBoolean(blogNode.GetValue("BlogAllowAnonymousComments"), false)) && (opened) && (ValidationHelper.GetBoolean(node.GetValue("BlogPostAllowComments"), false)))
{
// Create new comment
BlogCommentInfo comment = new BlogCommentInfo();
comment.CommentUrl = url.Length > 450 ? url.Substring(0, 450) : url;
comment.CommentText = excerpt;
comment.CommentDate = DateTime.Now;
comment.CommentUserName = GetCommentUserName(blogName, title);
comment.CommentUserID = 0;
comment.CommentApprovedByUserID = 0;
comment.CommentPostDocumentID = node.DocumentID;
comment.CommentIsTrackback = true;
comment.CommentIsSpam = false;
// User IP address
comment.CommentInfo.IPAddress = RequestContext.UserHostAddress;
// User agent
comment.CommentInfo.Agent = Request.UserAgent;
// Check if comments are moderated
comment.CommentApproved = !ValidationHelper.GetBoolean(blogNode.GetValue("BlogModerateComments"), false);
// Save changes to database
BlogCommentInfoProvider.SetBlogCommentInfo(comment);
// Send OK response, no error message
SendResponse(null);
}
else
{
SendResponse("Blog doesn't enable trackbacks.");
}
}
else
{
SendResponse("Blog not found.");
}
}
else
{
SendResponse("Blog post with given URL is already referenced.");
}
}
else
{
SendResponse("Blog post not found.");
}
}