private static string ToReadableString(RechatMessage m, bool showBadges)
{
string userBadges = $"{(m.UserIsAdmin || m.UserIsStaff ? "*" : "")}{(m.UserIsBroadcaster ? "#" : "")}{(m.UserIsModerator || m.UserIsGlobalModerator ? "@" : "")}{(m.UserIsSubscriber ? "+" : "")}";
string userName = m.UserDisplayName.Equals(m.UserName, StringComparison.OrdinalIgnoreCase) ? m.UserDisplayName : $"{m.UserDisplayName} ({m.UserName})";
return($"[{TimestampToString(m.ContentOffset, true)}] {(showBadges ? userBadges : "")}{userName}{(m.IsAction ? "" : ":")} {m.MessageText}");
}
public static void DownloadFile(long videoId, string path, bool overwrite = false, DownloadProgressCallback progressCallback = null)
{
if (File.Exists(path) && !overwrite)
{
throw new Exception("Output file already exists.");
}
string baseUrl = $"{"https"}://api.twitch.tv/v5/videos/{videoId}/comments";
string nextCursor = null;
int segmentCount = 0;
JObject firstComment = null;
JObject lastComment = null;
bool finishedDownload = false;
try {
using var writer = new JsonTextWriter(new StreamWriter(path, false, new UTF8Encoding(true)));
writer.WriteStartArray();
do
{
string url = nextCursor == null ?
$"{baseUrl}?content_offset_seconds=0" :
$"{baseUrl}?cursor={nextCursor}";
JObject response = JObject.Parse(DownloadUrlAsString(url, withRequest: AddTwitchApiHeaders));
foreach (JObject comment in (JArray)response["comments"])
{
comment.WriteTo(writer);
firstComment ??= comment;
lastComment = comment;
}
nextCursor = (string)response["_next"];
segmentCount++;
progressCallback?.Invoke(segmentCount, TryGetContentOffset(lastComment));
}while (nextCursor != null);
writer.WriteEndArray();
finishedDownload = true;
}
finally {
if (!finishedDownload)
{
try {
File.Delete(path);
}
catch { }
}
}
if (firstComment != null)
{
try {
var firstMessage = new RechatMessage(firstComment);
var lastMessage = new RechatMessage(lastComment);
File.SetCreationTimeUtc(path, firstMessage.CreatedAt - firstMessage.ContentOffset);
File.SetLastWriteTimeUtc(path, lastMessage.CreatedAt);
}
catch (Exception ex) {
throw new WarningException("Unable to set file created/modified time.", ex);
}
}
}
public void DownloadFile(CancellationToken token, long videoId, string path, TimeSpan?beginTime, TimeSpan?endTime)
{
if (File.Exists(path))
{
File.Delete(path);
}
string baseUrl = $"{"https"}://api.twitch.tv/v5/videos/{videoId}/comments";
string nextCursor = null;
int segmentCount = 0;
JObject firstComment = null;
JObject lastComment = null;
TimeSpan?totalTime = endTime - beginTime;
using (var writer = new JsonTextWriter(new StreamWriter(path, false, new UTF8Encoding(true)))) {
writer.WriteStartArray();
int progressPerc = 0;
do
{
if (token.IsCancellationRequested)
{
break;
}
TimeSpan?lastCommentTimespan = TryGetContentOffset(lastComment);
bool lastCommentWithinTimeFrame = lastCommentTimespan > beginTime && lastCommentTimespan < endTime;
if (lastCommentTimespan.HasValue)
{
if (endTime.HasValue)
{
progressPerc = Math.Min((int)((lastCommentTimespan.Value.TotalSeconds / endTime.Value.TotalSeconds) * 100), 100);
if (lastCommentTimespan != null)
{
BroadcastNewProgressDownloadingChatLogEvent("Downloading Chat Log..." +
"\nCurrent time: " + (lastCommentTimespan) +
"\nProgress: " + progressPerc + "%",
progressPerc, 0);
}
}
else
{
progressPerc = ((int)lastCommentTimespan.Value.TotalSeconds % 25) * 4;
if (lastCommentTimespan != null)
{
BroadcastNewProgressDownloadingChatLogEvent("Downloading Chat Log..." +
"\nCurrent time: " + (lastCommentTimespan),
progressPerc, 0);
}
}
}
if (beginTime != null && endTime != null && lastCommentTimespan > endTime)
{
break;
}
string url = nextCursor == null ?
$"{baseUrl}?content_offset_seconds=0" :
$"{baseUrl}?cursor={nextCursor}";
JObject response = JObject.Parse(DownloadUrlAsString(url, withRequest: AddTwitchApiHeaders));
foreach (JObject comment in (JArray)response["comments"])
{
if ((beginTime == null || endTime == null) || lastCommentWithinTimeFrame)
{
comment.WriteTo(writer);
}
firstComment = firstComment ?? comment;
lastComment = comment;
}
nextCursor = (string)response["_next"];
segmentCount++;
//progressCallback?.Invoke(segmentCount, lastCommentTimespan);
}while (nextCursor != null);
writer.WriteEndArray();
}
if (firstComment != null)
{
try {
var firstMessage = new RechatMessage(firstComment);
var lastMessage = new RechatMessage(lastComment);
File.SetCreationTimeUtc(path, firstMessage.CreatedAt - firstMessage.ContentOffset);
File.SetLastWriteTimeUtc(path, lastMessage.CreatedAt);
}
catch (Exception ex) {
throw new WarningException("Unable to set file created/modified time.", ex);
}
}
}
