public Task <RecommendContent> GetRecommendAsync(RecommendResponse res, RecommendContent prevInfo = null)
{
var user_tags = res.UserTagParam;
var seed = res.Seed;
var page = prevInfo?.RecommendInfo.Page ?? res.Page;
return(Context.Video.GetRecommendAsync(user_tags, seed, page));
}
protected override async Task <IAsyncEnumerable <RecommendVideoListItem> > GetPagedItemsImpl(int head, int count)
{
if (_EndOfRecommend)
{
return(AsyncEnumerable.Empty <RecommendVideoListItem>());
}
// 初回はページアクセスで得られるデータを使う
if (_PrevRecommendContent == null)
{
_PrevRecommendContent = _RecommendResponse?.FirstData;
}
else
{
_PrevRecommendContent = await LoginUserRecommendProvider.GetRecommendAsync(_RecommendResponse, _PrevRecommendContent);
}
if (_PrevRecommendContent != null && _PrevRecommendContent.Status == "ok")
{
_EndOfRecommend = _PrevRecommendContent?.RecommendInfo.EndOfRecommend ?? true;
AddRecommendTags(
_PrevRecommendContent.Items.Select(x => x.AdditionalInfo?.Sherlock.Tag)
.Where(x => x != null)
);
return(_PrevRecommendContent.Items.Select(x =>
{
var video = Database.NicoVideoDb.Get(x.Id);
video.ThumbnailUrl = x.ThumbnailUrl;
video.Title = x.ParseTitle();
video.Length = x.ParseLengthToTimeSpan();
video.ViewCount = x.ViewCounter;
video.CommentCount = x.NumRes;
video.MylistCount = x.MylistCounter;
video.PostedAt = x.ParseForstRetroeveToDateTimeOffset().DateTime;
Database.NicoVideoDb.AddOrUpdate(video);
var vm = new RecommendVideoListItem(x);
vm.SetupFromThumbnail(video);
return vm;
})
.ToAsyncEnumerable()
);
}
else
{
return(AsyncEnumerable.Empty <RecommendVideoListItem>());
}
}
public async Task <RecommendContent> GetRecommendAsync(RecommendResponse res, RecommendContent prevInfo = null)
{
var user_tags = res.UserTagParam;
var seed = res.Seed;
var page = prevInfo?.RecommendInfo.Page ?? res.Page;
return(await ContextActionAsync(async context =>
{
return await context.Video.GetRecommendAsync(user_tags, seed, page);
}));
}
