private void ReplaceBlogImageUrls(HtmlDocument doc)
{
var elements = doc.DocumentNode.SelectNodes("//img");
if (elements != null)
{
foreach (var element in elements)
{
var imageSrc = element.GetAttributeValue("src", null);
if (string.IsNullOrWhiteSpace(imageSrc) == false)
{
var originalUrl = new Uri(
imageSrc,
UriKind.RelativeOrAbsolute);
if (_imageUrlMapper.IsMappedUrl(originalUrl) == true)
{
var mappedUrl = _imageUrlMapper.GetMappedUrl(originalUrl);
element.Attributes["src"].Value = mappedUrl.AbsoluteUri;
}
}
}
}
elements = doc.DocumentNode.SelectNodes("//a");
if (elements != null)
{
foreach (var element in elements)
{
var href = element.GetAttributeValue("href", null);
if (string.IsNullOrWhiteSpace(href) == false)
{
var originalUrl = new Uri(href, UriKind.RelativeOrAbsolute);
if (_imageUrlMapper.IsMappedUrl(originalUrl) == true)
{
var mappedUrl = _imageUrlMapper.GetMappedUrl(originalUrl);
element.Attributes["href"].Value = mappedUrl.AbsoluteUri;
}
}
}
}
}
