/// <summary>
/// Gets the messages for a live chat.
/// </summary>
/// <param name="broadcast">The broadcast of the live chat</param>
/// <param name="nextResultsToken">The token for querying the next set of results from a previous query</param>
/// <param name="maxResults">The maximum results to return</param>
/// <returns>The list of chat messages</returns>
public async Task <LiveChatMessagesResultModel> GetMessages(LiveBroadcast broadcast, string nextResultsToken = null, int maxResults = 0)
{
Validator.ValidateVariable(broadcast, "broadcast");
return(await this.YouTubeServiceWrapper(async() =>
{
LiveChatMessagesResource.ListRequest request = this.connection.GoogleYouTubeService.LiveChatMessages.List(broadcast.Snippet.LiveChatId, "id,snippet,authorDetails");
if (maxResults > 0)
{
request.MaxResults = maxResults;
}
if (!string.IsNullOrEmpty(nextResultsToken))
{
request.PageToken = nextResultsToken;
}
LogRequest(request);
LiveChatMessageListResponse response = await request.ExecuteAsync();
LogResponse(request, response);
return new LiveChatMessagesResultModel(response);
}));
}
/// <summary>
/// Youtubeのチャット監視スレッドメイン処理
/// </summary>
/// <param name="videoId"></param>
private void CommentMonitorTask(string videoId)
{
try
{
_logger.Info($"Youtubes監視スレッド実行開始 API={YouTubeAPIKey}, Video={videoId}");
using (YouTubeService Youtube = new YouTubeService(new BaseClientService.Initializer()
{
ApiKey = YouTubeAPIKey
}))
{
string liveChatId = GetliveChatID(videoId, Youtube);
_logger.Info($"YouTubeチャットID成功 ChatId={liveChatId}");
string nextPageToken = null;
LiveChatMessagesResource.ListRequest liveChatRequest = Youtube.LiveChatMessages.List(liveChatId, "snippet,authorDetails");
bool fastflg = false;
while (true)
{
liveChatRequest.PageToken = nextPageToken;
var task = liveChatRequest.ExecuteAsync();
task.Wait(_TokenSource.Token);
var liveChatResponse = task.Result;
// 途中起動を考慮して初回の読み込みコメントは無視
if (fastflg == true)
{
foreach (var liveChat in liveChatResponse.Items)
{
_logger.Info($"コメント：{liveChat.Snippet.DisplayMessage},{liveChat.AuthorDetails.DisplayName}");
// コメントを出力
PushText(liveChat.Snippet.DisplayMessage);
}
}
else
{
fastflg = true;
}
System.Threading.Thread.Sleep((int)liveChatResponse.PollingIntervalMillis);
nextPageToken = liveChatResponse.NextPageToken;
}
}
}catch (OperationCanceledException ex)
{
_logger.Info($"Youtubes監視スレッドで終了要求検知");
}
catch (Exception ex)
{
_logger.Error($"Youtubes監視スレッドで例外 {ex.Message}");
}
}