public bool AreEqual(Uri uri, Link link)
{
if (link == null)
{
return false;
}
Uri linkUri = httpHelper.ConvertToUri(link.ReferenceUri);
bool equality = uri == linkUri;
return equality;
}
/// <summary>
/// Crawls an HTML document building metadata based on conventions or using a best-guess approach.
/// </summary>
internal virtual Link CreateLinkFromHtmlDocument(HtmlDocument document, Uri uri)
{
RemoveUndesirableTags(document);
string title = CrawlUsingMetadata(XPath.ResourceTitle, document);
string description = GetDescriptionFor(document);
string picture = GetPictureFor(document, uri);
Link link = new Link
{
Created = DateTime.UtcNow,
ReferenceUri = uri.AbsoluteUri,
Type = LinkType.Html,
Title = HtmlEntity.DeEntitize(title),
Description = HtmlEntity.DeEntitize(description),
Picture = picture
};
return link;
}
/// <summary>
/// Saves the image to the file system and stores the path in the link entity.
/// </summary>
internal virtual Link CreateLinkFromImageSource(Image image, Uri uri)
{
Link link = new Link
{
Created = DateTime.UtcNow,
ReferenceUri = uri.AbsoluteUri,
Type = LinkType.Image
};
return link;
}
private bool VerifyLinkIsHtml(Link link)
{
return !link.Title.NullOrEmpty() || !link.Description.NullOrEmpty() || !link.Picture.NullOrEmpty();
}
public Post Create(Link link, string message, User user)
{
Post post = postRepository.Insert(link, message, user);
return post;
}