public static string GetClipsRequest(CourseRpcData courseRpcData, string author, string moduleId, int clipIndex)
{
var course = courseRpcData.Data.Rpc.BootstrapPlayer.Course;
return("{\"query\": \"query viewClip {viewClip (input: {author: \\\""
+ author + "\\\", "
+ $"clipIndex: {clipIndex}, "
+ "courseName: \\\"" + course.Name + "\\\", includeCaptions: "
+ course.CourseHasCaptions.ToString().ToLowerInvariant()
+ ", locale: \\\"en\\\", mediaType: \\\"mp4\\\", moduleName: \\\""
+ moduleId
+ "\\\", quality: \\\""
+ (course.SupportsWideScreenVideoFormats ? Settings.Default.Resolution1280x720 : Settings.Default.Resolution1024x768)
+ "\\\"}) {urls {url cdn rank source}, status}}\", \"variables\": {}}");
}
private async Task DownloadModule(Course course,
string courseDirectory,
int moduleCounter, Module module)
{
var moduleDirectory = CreateModuleDirectory(courseDirectory, moduleCounter, module.Title);
var clipCounter = 0;
string referrer = $"https://{Settings.Default.SiteHostName}/player?course={course.Id}&author={module.AuthorId}&name={module.ModuleId}&clip=0&mode=live";
HttpHelper httpHelper = new HttpHelper
{
AcceptEncoding = string.Empty,
AcceptHeader = AcceptHeader.All,
ContentType = ContentType.AppJsonUtf8,
Cookies = Cookies,
Referrer = new Uri(referrer),
UserAgent = _userAgent
};
string moduleInfoPayload = GraphQlHelper.GetModuleInfoRequest(course.Id);
ResponseEx courseRpcResponse = await httpHelper.SendRequest(HttpMethod.Post, new Uri("https://" + Settings.Default.SiteHostName + "/player/api/graphql"), moduleInfoPayload, Settings.Default.RetryOnRequestFailureCount, _token);
CourseRpcData courceRpcData = JsonConvert.DeserializeObject <CourseRpcData>(courseRpcResponse.Content);
foreach (var clip in module.Clips)
{
++clipCounter;
var fileName = GetFullFileNameWithoutExtension(clipCounter, moduleDirectory, clip);
if (!File.Exists($"{fileName}.{Settings.Default.ClipExtensionMp4}"))
{
httpHelper.Referrer = new Uri($"https://{Settings.Default.SiteHostName}/player?course={course.Id}&author={module.AuthorId}&name={module.ModuleId}&clip=0&mode=live");
string s = GraphQlHelper.GetClipsRequest(courceRpcData, module.Id.Split('|')[1], module.Id.Split('|')[2], clipCounter - 1);
ResponseEx viewclipResponse = await httpHelper.SendRequest(HttpMethod.Post, new Uri("https://" + Settings.Default.SiteHostName + "/player/api/graphql"), s, Settings.Default.RetryOnRequestFailureCount, _token);
if (viewclipResponse.Content == "Unauthorized")
{
throw new UnauthorizedException(Resources.CheckYourSubscription);
}
var clipData = JsonConvert.DeserializeObject <ClipData>(viewclipResponse.Content);
if (course.HasTranscript)
{
string unformattedSubtitlesJson =
await _subtitleService.DownloadAsync(httpHelper, clip.ClipId.ToString(), _token);
Caption[] unformattedSubtitles =
JsonConvert.DeserializeObject <Caption[]>(unformattedSubtitlesJson);
if (unformattedSubtitles.Length > 0)
{
TimeSpan totalDurationTs = XmlConvert.ToTimeSpan(clip.Duration);
IList <SrtRecord> formattedSubtitles =
GetFormattedSubtitles(unformattedSubtitles, totalDurationTs);
_subtitleService.Write($"{fileName}.{Settings.Default.SubtitilesExtensionMp4}",
formattedSubtitles);
}
}
await DownloadClip(clipData.Data.ViewClip.Urls[1].UrlUrl,
fileName,
clipCounter,
course.Modules.Sum(m => m.Clips.Length));
}
}
}
