/// <summary>
/// コメントを取得する(エントリー・ポイント)
/// </summary>
/// <returns></returns>
public async Task <List <ComApi.CommentBody.Json.JsonComment> > GetComment(WatchPage::BaseJson data, NicoContext context, bool kako = false)
{
var logger = NicoLogger.GetLogger();
logger.Debug($"過去ログ: {kako}", moduleName);
//threadkeyを取得
(crInfo.Threadkey, crInfo.Force184) = await GetThreadKey(data.video.dmcInfo.thread.thread_id.ToString(), context);
//最古コメントを取得
logger.Log("現行コメントをダウンロード中...");
var comments = new CommentList();
comments.Add(await GetCommentData(data));
ComApi::CommentBody.Json.Chat firstComment = comments.GetFirstComment();
if (kako)
{
crInfo.WayBackKey = await GetWayBackKey(data.video.dmcInfo.thread.thread_id, context);
//初期whenデータを作成
int _when = comments.GetFirstComment().date;
int i = 1;
do
{
var kacomments = new CommentList();
logger.Log($"過去ログをダウンロード中...({i}件目、no.{firstComment.no}まで取得完了)");
kacomments.Add(await GetCommentData(data, _when));
try
{
firstComment = kacomments.GetFirstComment();
}
catch
{
break;
}
_when = firstComment.GetPrevDate();
comments.Merge(kacomments);
++i;
if (comments.IsMax(i))
{
break;
}
}while (firstComment.no > 1);
}
logger.Log("ダウンロードしたコメントの整合性をチェックしています。");
comments.FormatComments();
return(comments.Comments);
}
/// <summary>
/// 視聴ページのJSONをデシリアライズする
/// </summary>
/// <param name="html"></param>
/// <returns></returns>
private WatchPage::BaseJson LoadHTML(string html)
{
var logger = NicoLogger.GetLogger();
logger.Debug("htmlの解析を開始", moduleName);
var htmlParser = new HtmlParser();
var document = htmlParser.ParseDocument(html);
WatchPage::BaseJson data = JsonSerializer.Deserialize <WatchPage::BaseJson>(document.QuerySelector("#js-initial-watch-data").GetAttribute("data-api-data"));
logger.Debug("htmlの解析が完了", moduleName);
return(data);
}
/// <summary>
/// Leafを取得(過去ログ)
/// </summary>
private ComApi.RequestItems GetLeaf(WatchPage::CommentCompositeItems.Thread thread, WatchPage::BaseJson data, int _when)
{
var command = new ComApi.RequestItems();
command.thread_leaves = new ComApi.CommentItems.Leaf();
command.thread_leaves.thread = $"{thread.id}";
command.thread_leaves.user_id = $"{data.video.dmcInfo.user.user_id}";
int minute = (int)Math.Ceiling(data.video.duration / 60);
command.thread_leaves.content = $"0-{minute}:100,1000,nicoru:100";
if (thread.isThreadkeyRequired)
{
command.thread_leaves.threadkey = crInfo.Threadkey;
command.thread_leaves.force_184 = crInfo.Force184;
}
else
{
//command.thread_leaves.userkey = data.context.userkey;
}
command.thread_leaves.waybackkey = crInfo.WayBackKey;
command.thread_leaves.whencom = _when;
return(command);
}
/// <summary>
/// threadを取得(過去ログ)
/// </summary>
private ComApi.RequestItems GetThread(WatchPage::CommentCompositeItems.Thread thread, WatchPage::BaseJson data, int _when)
{
var command = new ComApi.RequestItems();
command.thread = new ComApi.CommentItems.Thread();
command.thread.thread = $"{thread.id}";
command.thread.fork = thread.fork;
command.thread.user_id = $"{data.video.dmcInfo.user.user_id}";
//公式動画・ユーザー動画で分岐
if (thread.isThreadkeyRequired)
{
command.thread.threadkey = crInfo.Threadkey;
command.thread.force_184 = crInfo.Force184;
}
else
{
//command.thread.userkey = data.context.userkey;
}
command.thread.waybackkey = crInfo.WayBackKey;
command.thread.whencom = _when;
return(command);
}
/// <summary>
/// リクエストデータを取得する
/// </summary>
private List <ComApi.RequestItems> GetCommentRequest(WatchPage::BaseJson data, int?_when)
{
var logger = NicoLogger.GetLogger();
logger.Debug("コメントリクエストデータの作成を開始", moduleName);
var request = new List <ComApi.RequestItems>();
void insertStart(string type = "ps")
{
var s = new ComApi.RequestItems();
s.ping = new ComApi.CommentItems.Ping();
switch (type)
{
case "ps":
s.ping.content = $"ps:{crInfo.ComCommandCount}";
break;
case "rs":
s.ping.content = $"rs:{crInfo.ComRequestCount}";
break;
}
request.Add(s);
}
void insertEnd(string type = "pf")
{
var e = new ComApi.RequestItems();
e.ping = new ComApi.CommentItems.Ping();
switch (type)
{
case "pf":
e.ping.content = $"pf:{crInfo.ComCommandCount}";
++crInfo.ComCommandCount;
break;
case "rf":
e.ping.content = $"rf:{crInfo.ComRequestCount}";
++crInfo.ComRequestCount;
break;
}
request.Add(e);
}
//rs
insertStart("rs");
foreach (var thread in data.commentComposite.threads)
{
if (!thread.isActive)
{
continue;
}
insertStart(); if (_when == null)
{
request.Add(GetThread(thread, data));
}
else
{
request.Add(GetThread(thread, data, (int)_when));
}
insertEnd();
if (thread.isLeafRequired)
{
insertStart();
if (_when == null)
{
request.Add(GetLeaf(thread, data));
}
else
{
request.Add(GetLeaf(thread, data, (int)_when));
}
insertEnd();
}
}
//rf
insertEnd("rf");
logger.Debug("コメントリクエストデータの作成が完了", moduleName);
return(request);
}
/// <summary>
/// コメントデータを取得する
/// </summary>
private async Task <List <ComApi.CommentBody.Json.JsonComment> > GetCommentData(WatchPage::BaseJson data, int?_when = null)
{
var logger = NicoLogger.GetLogger();
var serializer = new CommentSerializer();
var chandler = new CommentHandller();
List <ComApi.RequestItems> comRequest = GetCommentRequest(data, _when);
//コメントを取得する
logger.Debug("コメントの取得を開始", moduleName);
HttpClient client = context.NicoClient.Client;
var comBody = await client.PostAsync(new Uri(@"http://nmsg.nicovideo.jp/api.json/"), new StringContent(serializer.SerializeJson(comRequest)));
//エラーハンドリング
if (!comBody.IsSuccessStatusCode)
{
throw new Exception($"コメントの取得に失敗しました。 (status_code: {(int)comBody.StatusCode})");
}
else
{
logger.Debug($"コメントデータの取得が完了", moduleName);
}
//取得したコメントをデシリアライズ
string comJson = await comBody.Content.ReadAsStringAsync();
return(serializer.DeserializeJson <List <ComApi.CommentBody.Json.JsonComment> >(comJson));
}
