/// <summary>
/// Generate video links for all videos from a certain user.
/// This method may costs quite a long time. As a result, a IProgess is implemented to retrieve the status
/// Note:
/// 1. UserAgent (MSIE10) and Referrer must be set to the downloader, otherwise server will return 500
/// 2. Exception may be raised if something goes wrong (e.g. no video found)
/// 3. Status reporting example is here:
/// https://stackoverflow.com/questions/19980112/how-to-do-progress-reporting-using-async-await/19980151#19980151
/// It's a two-element double array. The first is the page status and the second is the video status
/// </summary>
/// <param name="contentUrl"></param>
/// <param name="progressStatus"></param>
/// <returns></returns>
private async Task <List <string> > GenerateUserVideoLink(string contentUrl, IProgress <double[]> progressStatus)
{
// BGet library related stuff
var userVideoGrabber = new UserVideoGrabber();
var userVideoResult = await userVideoGrabber.GetAllVideoFromUser(contentUrl);
// Create a list to get all video links
var urlList = new List <string>();
for (var currentVideoPage = 0; currentVideoPage < userVideoResult.Count; currentVideoPage++)
{
for (var currentVideo = 0;
currentVideo < userVideoResult[currentVideoPage].UploadedVideo.VideoList.Count;
currentVideo++)
{
var video = userVideoResult[currentVideoPage].UploadedVideo.VideoList[currentVideo];
urlList.AddRange(await GenerateGeneralVideoLink(video.ContentId));
// Report the status
progressStatus.Report(
new[]
{
currentVideoPage / (double)userVideoResult.Count,
currentVideo / (double)userVideoResult[currentVideoPage].UploadedVideo.VideoList.Count
});
}
}
return(urlList);
}
public BgetUserVideoTest()
{
_userVideoGrabber = new UserVideoGrabber();
}