public string GetThumbnailUrlForUpdate(string Url, BookmarkingThumbnailSize size)
{
var url = GetThumbnailUrl(Url, size);
try
{
var req = WebRequest.Create(url);
using (var resp = (HttpWebResponse)req.GetResponse())
{
if (resp.StatusCode == HttpStatusCode.OK)
{
return url;
}
}
}
catch (Exception)
{
}
return null;
}
private static string GetFileNameByUrl(string url, BookmarkingThumbnailSize size)
{
string sizeString = size == null ? string.Empty : size.ToString();
return string.Format("{0}{1}.{2}", GetSHA256(url), sizeString, BookmarkingSettings.CaptureImageFormat.ToString());
}
public string GetThumbnailUrlForUpdate(string Url, BookmarkingThumbnailSize size)
{
return GetThumbnailUrl(Url, size);
}
public string GetThumbnailUrl(string Url, BookmarkingThumbnailSize size)
{
var fileName = GetFileNameByUrl(Url, size);
return getStore(HttpContext.Current).IsFile(string.Empty, fileName) ? getStore(HttpContext.Current).GetUri(string.Empty, fileName).ToString() : string.Empty;
}
public string GetThumbnailUrl(string Url, BookmarkingThumbnailSize size)
{
var sizeValue = string.Format("{0}x{1}", size.Width, size.Height);
return string.Format(ServiceFormatUrl, Url, sizeValue, Url.GetHashCode());
}
private string GetThumbnailUrl(BookmarkingThumbnailSize size)
{
return BookmarkingServiceHelper.GetThumbnailUrl(URL, size);
}