public Task DownloadLiveStreamChatLogic(string channel, long vodId, CancellationToken cancellationToken)
{
using (var irc = new TcpClient("irc.chat.twitch.tv", 6667))
using (var stream = irc.GetStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream)) {
writer.AutoFlush = true;
string accessToken;
using (var context = new MainDataContext()) {
accessToken = context.Authentications.First().accessToken;
//todo check for working auth on all external calls
}
var dbUserName = GlobalConfig.GetGlobalConfig("userName");
var userName = dbUserName ?? new UserDetails().SaveUserDataToDb();
writer.WriteLine($"PASS oauth:{accessToken}");
writer.WriteLine($"NICK {userName}");
writer.WriteLine($"JOIN #{channel}");
writer.WriteLine("CAP REQ :twitch.tv/tags");
string inputLine;
int databaseCounter = 0;
List <Chat> chats = new List <Chat>();
while ((inputLine = reader.ReadLine()) != null)
{
if (cancellationToken.IsCancellationRequested)
{
_logger.Warn("IRC shut down initiated, stream must have finished...");
AddLiveStreamChatToDb(chats, vodId);
StreamHelpers.SetChatDownloadToFinished(vodId, true);
_logger.Info("Done!");
break;
}
if (inputLine == "PING :tmi.twitch.tv")
{
writer.WriteLine("PONG :tmi.twitch.tv");
}
if (inputLine.Contains("PRIVMSG"))
{
Chat chat = MessageBuilder(inputLine);
chat.streamId = vodId;
chats.Add(chat);
databaseCounter++;
}
if (databaseCounter == 50)
{
AddLiveStreamChatToDb(chats, vodId);
databaseCounter = 0;
chats.Clear();
}
}
// todo check emote compatibility; does it send offline notification in irc??
}
return(Task.CompletedTask);
}
public Task DownloadChat(long streamId)
{
TwitchApiHelpers twitchApiHelpers = new TwitchApiHelpers();
IRestResponse response;
try {
response =
twitchApiHelpers.LegacyTwitchRequest($"https://api.twitch.tv/v5/videos/{streamId}/comments",
Method.GET);
} catch (NetworkInformationException e) {
_logger.Error(e);
_logger.Error("Cleaning database, removing failed chat download from database.");
RemoveStreamChatFromDb(streamId);
return(Task.FromException(e));
}
ChatMessageJsonClass.ChatMessage deserializeResponse;
try {
deserializeResponse = JsonConvert.DeserializeObject <ChatMessageJsonClass.ChatMessage>(response.Content);
} catch (JsonSerializationException e) {
_logger.Error(e);
_logger.Error("Cleaning database, removing failed chat download from database.");
RemoveStreamChatFromDb(streamId);
return(Task.FromException(e));
}
ChatMessageJsonClass.ChatMessage chatMessage = new ChatMessageJsonClass.ChatMessage();
chatMessage.comments = new List <ChatMessageJsonClass.Comment>();
var cursor = "";
int databaseCounter = 0;
// clear out existing vod messages, should only activate when redownloading
RemoveStreamChatFromDb(streamId);
foreach (var comment in deserializeResponse.comments)
{
if (comment.message.user_badges != null)
{
comment.message.userBadges = ReformatBadges(comment.message.user_badges);
}
if (comment.message.emoticons != null)
{
comment.message.formattedEmoticons = ReformatEmoticons(comment.message.emoticons);
}
chatMessage.comments.Add(comment);
}
if (deserializeResponse._next != null)
{
cursor = deserializeResponse._next;
}
else
{
AddChatMessageToDb(chatMessage.comments, streamId);
}
while (cursor != null)
{
_logger.Info($"Getting more chat for {streamId}..");
//if (token.IsCancellationRequested) {
//await _hubContext.Clients.All.SendAsync("ReceiveMessage", CheckForDownloadingStreams());
//return; // insta kill
//}
IRestResponse paginatedResponse;
try {
paginatedResponse = twitchApiHelpers.LegacyTwitchRequest(
$"https://api.twitch.tv/v5/videos/{streamId}/comments" +
$"?cursor={deserializeResponse._next}", Method.GET);
} catch (NetworkInformationException e) {
_logger.Error(e);
_logger.Error("Cleaning database, removing failed chat download from database.");
RemoveStreamChatFromDb(streamId);
return(Task.FromException(e));
}
try {
deserializeResponse = JsonConvert.DeserializeObject <ChatMessageJsonClass.ChatMessage>(paginatedResponse.Content);
} catch (JsonSerializationException e) {
_logger.Error(e);
_logger.Error("Cleaning database, removing failed chat download from database.");
RemoveStreamChatFromDb(streamId);
return(Task.FromException(e));
}
foreach (var comment in deserializeResponse.comments)
{
if (comment.message.user_badges != null)
{
comment.message.userBadges = ReformatBadges(comment.message.user_badges);
}
if (comment.message.emoticons != null)
{
comment.message.formattedEmoticons = ReformatEmoticons(comment.message.emoticons);
}
chatMessage.comments.Add(comment);
}
databaseCounter++;
if (databaseCounter == 50 || deserializeResponse._next == null)
{
// if we have collected 50 comments or there are no more chat messages
AddChatMessageToDb(chatMessage.comments, streamId);
databaseCounter = 0;
chatMessage.comments.Clear();
}
cursor = deserializeResponse._next;
}
StreamHelpers.SetChatDownloadToFinished(streamId, false);
//await _hubContext.Clients.All.SendAsync("ReceiveMessage", CheckForDownloadingStreams());
return(Task.CompletedTask);
}
