/// <summary>
/// Posts a photo inline during a request to a given provider, before making an API call to Twitter.
/// This method should only be used with updating status, retweeting, or sending direct messages,
/// as the new photo's URL is injected in the outgoing message; otherwise, the photo is posted but
/// the URL is lost.
/// </summary>
/// <param name="instance">The current query expression</param>
/// <param name="path">A path to the image</param>
/// <param name="provider">A photo posting service provider</param>
/// <returns>The current query expression</returns>
public static IFluentTwitter PostPhoto(this ITwitterPhotos instance, string path,
SendPhotoServiceProvider provider)
{
instance.Root.Parameters.PostImageProvider = provider;
instance.Root.Parameters.PostImagePath = path;
return instance.Root;
}
public static string SendPhoto(WebQueryBase query, SendPhotoServiceProvider provider, ImageFormat format, string path, string username, string password)
{
string response;
switch (provider)
{
case SendPhotoServiceProvider.TwitPic:
// http://twitpic.com/api.do
response = SendPhoto(format, query, path, "http://twitpic.com/api/upload", username, password);
break;
case SendPhotoServiceProvider.YFrog:
// http://yfrog.com/upload_and_post.html
response = SendPhoto(format, query, path, "http://yfrog.com/api/upload", username, password);
break;
case SendPhotoServiceProvider.TwitGoo:
// http://twitgoo.com/upload_and_post.html
response = SendPhoto(format, query, path, "http://twitgoo.com/api/upload", username, password);
break;
default:
throw new NotSupportedException("Unknown photo service provider specified");
}
if (!response.Contains("mediaurl"))
{
return null;
}
var match = Regex.Match(response, "<mediaurl[^>]*>(.*?)</mediaurl>");
var mediaUrl = XElement.Parse(match.Value).Value;
return mediaUrl;
}