public async Task <VimeoVidoeResponseDto> CreateVideoUploadTicketAsync(int lectureId, VidoeUploadTicketRequestDto request)
{
// 1. get user & lecture info
var user = await GetCurrentUser();
var lecture = await _lectureRepository.GetLectureAsync(lectureId);
if (lecture == null)
{
throw new NotFoundException("lecture not found");
}
// 2. verify the course state and course author
lecture.Section.Course.CourseUpdateValidate(user);
// 3. gernerate the vimeo upload ticket
var vimeoVideoTitle = lecture.Section.Course.Id + "-" + lecture.Section.Id.ToString() + "-" + lecture.Id.ToString();
var vidoeUploadResponse = await VimeoHelper.VideoUploadTicketCreatePostAsync(_vimeoConfig.Token, _vimeoConfig.UploadVideoTicketRequestUrl, request.FileSize, vimeoVideoTitle);
var vimeoVideoId = new Uri(vidoeUploadResponse.Uri).Segments.Last();
if (vimeoVideoId == null)
{
throw new VideoUpdateException("Cannot upload video because no vimeo video ID found, please contact our tech support.");
}
// 4. add the video into the course vimeo album
var vimeoAlbumId = lecture.Section.Course.VimeoAlbumId;
if (vimeoAlbumId == null)
{
throw new VideoUpdateException("Fail to add video into album because album ID not found, please contact our tech support.");
}
var addAlbumVideoUrl = string.Format(_vimeoConfig.AddAlbumVideoUrl, vimeoAlbumId, vimeoVideoId);
await VimeoHelper.AddVideoToAlbum(_vimeoConfig.Token, addAlbumVideoUrl);
// 5. add video metedata into database
var video = lecture.AddVideoContent(user, request.Title, request.Desctiption, vimeoVideoId, request.DurationInSecond);
await _lectureRepository.SaveAsync();
vidoeUploadResponse.VideoId = video.Id;
// 6 return the upload ticket
return(vidoeUploadResponse);
}
public async Task <VimeoVidoeResponseDto> CreatePreviewVideoUploadTicketAsync(int courseId, VidoeUploadTicketRequestDto request)
{
var user = await GetCurrentUser();
var course = await _courseRepository.GetCourseAsync(courseId, false);
if (course == null)
{
throw new NotFoundException("course not found");
}
course.CourseUpdateValidate(user);
var vimeoVideoTitle = course.Id + "-preview";
var vidoeUploadResponse = await VimeoHelper.VideoUploadTicketCreatePostAsync(_vimeoConfig.Token, _vimeoConfig.UploadVideoTicketRequestUrl, request.FileSize, vimeoVideoTitle);
var vimeoVideoId = new Uri(vidoeUploadResponse.Uri).Segments.Last();
if (vimeoVideoId == null)
{
throw new VideoUpdateException("Cannot upload video because no vimeo video ID found, please contact our tech support.");
}
var vimeoAlbumId = course.VimeoAlbumId;
if (vimeoAlbumId == null)
{
throw new VideoUpdateException("Fail to add video into album because album ID not found, please contact our tech support.");
}
var addAlbumVideoUrl = string.Format(_vimeoConfig.AddAlbumVideoUrl, vimeoAlbumId, vimeoVideoId);
await VimeoHelper.AddVideoToAlbum(_vimeoConfig.Token, addAlbumVideoUrl);
// 5. add video metedata into database
var video = course.AddPreviewVideo(vimeoVideoId);
await _courseRepository.SaveAsync();
// 6 return the upload ticket
vidoeUploadResponse.VideoId = video.Id;
return(vidoeUploadResponse);
}