public static async Task <GqlVideoSearchResponse> GetGqlVideos(string channelName, string cursor = "", int limit = 50)
{
using (WebClient client = new WebClient())
{
client.Encoding = Encoding.UTF8;
client.Headers.Add("Client-ID", "kimne78kx3ncx6brgo4mv6wki5h1ko");
client.Headers[HttpRequestHeader.ContentType] = "application/json";
string response = await client.UploadStringTaskAsync("https://gql.twitch.tv/gql", "{\"query\":\"query{user(login:\\\"" + channelName + "\\\"){videos(first: " + limit + "" + (cursor == "" ? "" : ",after:\\\"" + cursor + "\\\"") + ") { edges { node { title, id, lengthSeconds, previewThumbnailURL(height: 180, width: 320), createdAt, viewCount }, cursor }, pageInfo { hasNextPage, hasPreviousPage }, totalCount }}}\",\"variables\":{}}");
GqlVideoSearchResponse result = JsonConvert.DeserializeObject <GqlVideoSearchResponse>(response);
return(result);
}
}
private async Task UpdateList()
{
if (type == DownloadType.Video)
{
string currentCursor = "";
if (cursorList.Count > 0 && cursorIndex >= 0)
{
currentCursor = cursorList[cursorIndex];
}
GqlVideoSearchResponse res = await TwitchHelper.GetGqlVideos(currnetChannel, currentCursor, 100);
videoList.Clear();
if (res.data.user != null)
{
foreach (var video in res.data.user.videos.edges)
{
TaskData data = new TaskData();
data.Title = video.node.title;
data.Length = video.node.lengthSeconds;
data.Id = video.node.id;
data.Time = video.node.createdAt;
data.Views = video.node.viewCount;
data.Streamer = currnetChannel;
try
{
var bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.UriSource = new Uri(video.node.previewThumbnailURL);
bitmapImage.EndInit();
data.Thumbnail = bitmapImage;
}
catch { }
videoList.Add(data);
}
if (res.data.user.videos.pageInfo.hasNextPage)
{
btnNext.IsEnabled = true;
}
else
{
btnNext.IsEnabled = false;
}
if (res.data.user.videos.pageInfo.hasPreviousPage)
{
btnPrev.IsEnabled = true;
}
else
{
btnPrev.IsEnabled = false;
}
if (res.data.user.videos.pageInfo.hasNextPage)
{
string newCursor = res.data.user.videos.edges[0].cursor;
if (!cursorList.Contains(newCursor))
{
cursorList.Add(newCursor);
}
}
}
}
else
{
string currentCursor = "";
if (cursorList.Count > 0 && cursorIndex >= 0)
{
currentCursor = cursorList[cursorIndex];
}
GqlClipSearchResponse res = await TwitchHelper.GetGqlClips(currnetChannel, period, currentCursor, 50);
videoList.Clear();
if (res.data.user != null)
{
foreach (var clip in res.data.user.clips.edges)
{
TaskData data = new TaskData();
data.Title = clip.node.title;
data.Length = clip.node.durationSeconds;
data.Id = clip.node.slug;
data.Time = clip.node.createdAt;
data.Views = clip.node.viewCount;
data.Streamer = currnetChannel;
try
{
var bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.UriSource = new Uri(clip.node.thumbnailURL);
bitmapImage.EndInit();
data.Thumbnail = bitmapImage;
}
catch { }
videoList.Add(data);
}
if (res.data.user.clips.pageInfo.hasNextPage)
{
btnNext.IsEnabled = true;
}
else
{
btnNext.IsEnabled = false;
}
if (cursorIndex >= 0)
{
btnPrev.IsEnabled = true;
}
else
{
btnPrev.IsEnabled = false;
}
if (res.data.user.clips.pageInfo.hasNextPage)
{
string newCursor = res.data.user.clips.edges.Where(x => x.cursor != null).First().cursor;
if (!cursorList.Contains(newCursor))
{
cursorList.Add(newCursor);
}
}
}
}
}
