/// <summary>
/// ニコニコ動画コンテンツの情報を取得します。
/// 内部DB、サムネイル、Watchページのアクセス情報から更新されたデータを提供します。
///
/// </summary>
/// <param name="rawVideoId"></param>
/// <returns></returns>
public async Task <Database.NicoVideo> GetNicoVideoInfo(string rawVideoId, bool requireLatest = false)
{
if (NiconicoSession.ServiceStatus.IsOutOfService())
{
return(null);
}
using (await _ThumbnailAccessLock.LockAsync())
{
var info = NicoVideoDb.Get(rawVideoId);
// 最新情報が不要な場合は内部DBのキャッシュをそのまま返す
if (info != null && !requireLatest)
{
if (info.ViewCount != 0 &&
info.LastUpdated > DateTime.Now - ThumbnailExpirationSpan)
{
return(info);
}
}
if (info == null)
{
info = new Database.NicoVideo()
{
RawVideoId = rawVideoId
};
}
try
{
var res = await ContextActionAsync(async context =>
{
return(await context.Search.GetVideoInfoAsync(rawVideoId));
});
if (res.Status == "ok")
{
var video = res.Video;
info.Title = video.Title;
info.VideoId = video.Id;
info.Length = video.Length;
info.PostedAt = video.FirstRetrieve;
info.ThumbnailUrl = video.ThumbnailUrl.OriginalString;
info.ViewCount = (int)video.ViewCount;
info.MylistCount = (int)video.MylistCount;
info.CommentCount = (int)res.Thread.GetCommentCount();
info.Tags = res.Tags.TagInfo.Select(x => new NicoVideoTag()
{
Id = x.Tag,
}
).ToList();
if (res.Video.ProviderType == "channel")
{
info.Owner = new NicoVideoOwner()
{
OwnerId = res.Video.CommunityId,
UserType = UserType.Channel
};
}
else
{
info.Owner = new NicoVideoOwner()
{
OwnerId = res.Video.UserId,
UserType = res.Video.ProviderType == "regular" ? UserType.User : UserType.Channel
};
}
info.IsDeleted = res.Video.IsDeleted;
if (info.IsDeleted && int.TryParse(res.Video.__deleted, out int deleteType))
{
try
{
info.PrivateReasonType = (PrivateReasonType)deleteType;
}
catch { }
}
}
else
{
info.IsDeleted = true;
}
}
catch (Exception ex) when(ex.Message.Contains("DELETE") || ex.Message.Contains("NOT_FOUND"))
{
info.IsDeleted = true;
}
finally
{
NicoVideoDb.AddOrUpdate(info);
if (info.Owner != null)
{
NicoVideoOwnerDb.AddOrUpdate(info.Owner);
}
}
if (info.IsDeleted)
{
PublishVideoDeletedEvent(info);
}
await Task.Delay(25);
return(info);
}
}
public async Task <DmcWatchData> GetDmcWatchResponse(string rawVideoId)
{
if (NiconicoSession.ServiceStatus.IsOutOfService())
{
return(null);
}
// TODO: 有害動画に指定されたページにアクセスした場合の対応
// 有害動画ページにアクセスしたら一度だけ確認ページをダイアログ表示する
// （ユーザーのアクションによらず）再度ページを読み込んで、もう一度HurmfulContentが返ってきた場合はnullを返す
HarmfulContentReactionType harmfulContentReactionType = HarmfulContentReactionType.None;
{
try
{
var data = await Helpers.ConnectionRetryUtil.TaskWithRetry(async() =>
{
return(await ContextActionWithPageAccessWaitAsync(async context =>
{
return await context.Video.GetDmcWatchResponseAsync(
rawVideoId
, harmfulReactType: harmfulContentReactionType
);
}));
});
var res = data?.DmcWatchResponse;
var info = NicoVideoDb.Get(rawVideoId);
if (res != null)
{
if (info == null)
{
info = new Database.NicoVideo()
{
RawVideoId = rawVideoId
};
}
info.VideoId = res.Video.Id;
info.Title = res.Video.Title;
info.Length = TimeSpan.FromSeconds(res.Video.Duration);
info.PostedAt = DateTime.Parse(res.Video.PostedDateTime);
info.ThumbnailUrl = res.Video.ThumbnailURL;
info.DescriptionWithHtml = res.Video.Description;
info.ViewCount = res.Video.ViewCount;
info.MylistCount = res.Video.MylistCount;
info.CommentCount = res.Thread.CommentCount;
switch (res.Video.MovieType)
{
case @"mp4":
info.MovieType = MovieType.Mp4;
break;
case @"flv":
info.MovieType = MovieType.Flv;
break;
case @"swf":
info.MovieType = MovieType.Swf;
break;
}
info.Tags = res.Tags.Select(x => new NicoVideoTag()
{
Name = x.Name,
IsCategory = x.IsCategory,
IsLocked = x.IsLocked,
Id = x.Id,
IsDictionaryExists = x.IsDictionaryExists
}).ToList();
if (res.Owner != null)
{
info.Owner = new NicoVideoOwner()
{
ScreenName = res.Owner.Nickname,
IconUrl = res.Owner.IconURL,
OwnerId = res.Owner.Id,
UserType = UserType.User
};
NicoVideoOwnerDb.AddOrUpdate(info.Owner);
}
else if (res.Channel != null)
{
info.Owner = new NicoVideoOwner()
{
ScreenName = res.Channel.Name,
IconUrl = res.Channel.IconURL,
OwnerId = res.Channel.GlobalId,
UserType = UserType.Channel
};
}
if (data.DmcWatchResponse?.Video != null)
{
info.IsDeleted = data.DmcWatchResponse.Video.IsDeleted;
}
NicoVideoDb.AddOrUpdate(info);
}
if (info.IsDeleted)
{
PublishVideoDeletedEvent(info);
}
return(data);
}
catch (AggregateException ea) when(ea.Flatten().InnerExceptions.Any(e => e is ContentZoningException))
{
throw new NotImplementedException("not implement hurmful video content.");
}
catch (Mntone.Nico2.ContentZoningException)
{
throw new NotImplementedException("not implement hurmful video content.");
}
}
}
public async Task <WatchApiResponse> GetWatchApiResponse(string rawVideoId, bool forceLowQuality = false)
{
if (NiconicoSession.ServiceStatus.IsOutOfService())
{
return(null);
}
if (!NiconicoSession.IsLoggedIn)
{
return(null);
}
// TODO: 有害動画に指定されたページにアクセスした場合の対応
HarmfulContentReactionType harmfulContentReactionType = HarmfulContentReactionType.None;
{
try
{
var res = await Helpers.ConnectionRetryUtil.TaskWithRetry(async() =>
{
return(await ContextActionWithPageAccessWaitAsync(async context =>
{
return await context.Video.GetWatchApiAsync(
rawVideoId
, forceLowQuality: forceLowQuality
, harmfulReactType: harmfulContentReactionType
);
}));
});
var info = NicoVideoDb.Get(rawVideoId);
if (info == null)
{
info = new Database.NicoVideo()
{
RawVideoId = rawVideoId
};
}
info.VideoId = res.videoDetail.id;
info.Title = res.videoDetail.title;
info.Length = res.videoDetail.length.HasValue ? TimeSpan.FromSeconds(res.videoDetail.length.Value) : TimeSpan.Zero;
info.PostedAt = DateTime.Parse(res.videoDetail.postedAt);
info.ThumbnailUrl = res.videoDetail.thumbnail;
info.DescriptionWithHtml = res.videoDetail.description;
info.ViewCount = res.videoDetail.viewCount ?? 0;
info.MylistCount = res.videoDetail.mylistCount ?? 0;
info.CommentCount = res.videoDetail.commentCount ?? 0;
switch (res.flashvars.movie_type)
{
case @"mp4":
info.MovieType = MovieType.Mp4;
break;
case @"flv":
info.MovieType = MovieType.Flv;
break;
case @"swf":
info.MovieType = MovieType.Swf;
break;
}
info.Tags = res.videoDetail.tagList.Select(x => new NicoVideoTag()
{
Name = x.tag,
IsCategory = x.cat ?? false,
IsLocked = x.lck == "1", /* TODO: lck 値が不明です */
Id = x.id,
IsDictionaryExists = x.dic ?? false
}).ToList();
info.Owner = new NicoVideoOwner()
{
ScreenName = res.UploaderInfo?.nickname ?? res.channelInfo?.name,
IconUrl = res.UploaderInfo?.icon_url ?? res.channelInfo?.icon_url,
OwnerId = res.UploaderInfo?.id ?? res.channelInfo?.id,
UserType = res.channelInfo != null ? UserType.Channel : UserType.User
};
info.IsDeleted = res.IsDeleted;
info.PrivateReasonType = res.PrivateReason;
NicoVideoDb.AddOrUpdate(info);
// NicoVideoOwnerDb.AddOrUpdate(info.Owner);
if (info.IsDeleted)
{
PublishVideoDeletedEvent(info);
}
return(res);
}
catch (AggregateException ea) when(ea.Flatten().InnerExceptions.Any(e => e is ContentZoningException))
{
throw new NotImplementedException("not implement hurmful video content.");
}
catch (ContentZoningException)
{
throw new NotImplementedException("not implement hurmful video content.");
}
}
}
/// <summary>
/// ニコニコ動画コンテンツの情報を取得します。
/// 内部DB、サムネイル、Watchページのアクセス情報から更新されたデータを提供します。
///
/// </summary>
/// <param name="rawVideoId"></param>
/// <returns></returns>
public async Task <Database.NicoVideo> GetNicoVideoInfo(string rawVideoId, bool requireLatest = false)
{
if (Context == null)
{
return(null);
}
using (var releaser = await _ThumbnailAccessLock.LockAsync())
{
var info = NicoVideoDb.Get(rawVideoId);
// 最新情報が不要な場合は内部DBのキャッシュをそのまま返す
if (info != null && !requireLatest)
{
if (info.LastUpdated > DateTime.Now - ThumbnailExpirationSpan)
{
return(info);
}
}
if (info == null)
{
info = new Database.NicoVideo()
{
RawVideoId = rawVideoId
};
}
try
{
var res = await Helpers.ConnectionRetryUtil.TaskWithRetry(() =>
{
return(Context.Search.GetVideoInfoAsync(rawVideoId));
},
retryCount : 5,
retryInterval : 1000
);
if (res.Status == "ok")
{
var video = res.Video;
info.Title = video.Title;
info.VideoId = video.Id;
info.Length = video.Length;
info.PostedAt = video.FirstRetrieve;
info.ThumbnailUrl = video.ThumbnailUrl.OriginalString;
info.ViewCount = (int)video.ViewCount;
info.MylistCount = (int)video.MylistCount;
info.CommentCount = (int)res.Thread.GetCommentCount();
info.Tags = res.Tags.TagInfo.Select(x => new NicoVideoTag()
{
Id = x.Tag,
}
).ToList();
if (res.Video.ProviderType == "channel")
{
info.Owner = new NicoVideoOwner()
{
OwnerId = res.Video.CommunityId,
UserType = UserType.Channel
};
}
else
{
info.Owner = new NicoVideoOwner()
{
OwnerId = res.Video.UserId,
UserType = res.Video.ProviderType == "regular" ? UserType.User : UserType.Channel
};
}
info.IsDeleted = res.Video.IsDeleted;
if (info.IsDeleted && int.TryParse(res.Video.__deleted, out int deleteType))
{
try
{
info.PrivateReasonType = (PrivateReasonType)deleteType;
}
catch { }
}
}
else
{
info.IsDeleted = true;
}
}
catch (Exception ex) when(ex.Message.Contains("DELETE") || ex.Message.Contains("NOT_FOUND"))
{
info.IsDeleted = true;
}
finally
{
NicoVideoDb.AddOrUpdate(info);
if (info.Owner != null)
{
NicoVideoOwnerDb.AddOrUpdate(info.Owner);
}
}
if (info.IsDeleted)
{
var cacheManager = App.Current.Container.Resolve <VideoCacheManager>();
await cacheManager.VideoDeletedFromNiconicoServer(info.RawVideoId).ConfigureAwait(false);
}
return(info);
}
}