protected override async Task<IAsyncEnumerable<VideoInfoControlViewModel>> GetPagedItemsImpl(int head, int count)
{
VideoListingResponse res = null;
if (SearchOption.SearchTarget == SearchTarget.Keyword)
{
res = await SearchProvider.GetKeywordSearch(SearchOption.Keyword, (uint)head, (uint)count, SearchOption.Sort, SearchOption.Order);
}
else if (SearchOption.SearchTarget == SearchTarget.Tag)
{
res = await SearchProvider.GetTagSearch(SearchOption.Keyword, (uint)head, (uint)count, SearchOption.Sort, SearchOption.Order);
}
if (res == null || res.VideoInfoItems == null)
{
return AsyncEnumerable.Empty<VideoInfoControlViewModel>();
}
else
{
return res.VideoInfoItems.Where(x => x != null).Select(item =>
{
var vm = new VideoInfoControlViewModel(item.Video.Id);
vm.SetupDisplay(item);
return vm;
})
.ToAsyncEnumerable();
}
}
protected override async Task<int> ResetSourceImpl()
{
int totalCount = 0;
if (SearchOption.SearchTarget == SearchTarget.Keyword)
{
var res = await SearchProvider.GetKeywordSearch(SearchOption.Keyword, 0, 2, SearchOption.Sort, SearchOption.Order);
totalCount = (int)res.GetTotalCount();
}
else if (SearchOption.SearchTarget == SearchTarget.Tag)
{
var res = await SearchProvider.GetTagSearch(SearchOption.Keyword, 0, 2, SearchOption.Sort, SearchOption.Order);
totalCount = (int)res.GetTotalCount();
}
return totalCount;
}
public SearchSummaryPageViewModel(
SearchProvider searchProvider,
Services.PageManager pageManager
)
: base(pageManager)
{
RelatedVideoTags = new ObservableCollection <string>();
KeywordSearchResultItems = this.ObserveProperty(x => x.Keyword)
.Where(x => !string.IsNullOrWhiteSpace(x))
.SelectMany(async(x, i, cancelToken) =>
{
RelatedVideoTags.Clear();
var res = await SearchProvider.GetKeywordSearch(x, 0, 10);
if (res.IsOK)
{
KeywordSearchItemsTotalCount = (int)res.GetTotalCount();
if (res.Tags != null)
{
foreach (var tag in res.Tags.TagItems)
{
RelatedVideoTags.Add(tag.Name);
}
}
return(res.VideoInfoItems?.AsEnumerable() ?? Enumerable.Empty <Mntone.Nico2.Searches.Video.VideoInfo>());
}
else
{
return(Enumerable.Empty <Mntone.Nico2.Searches.Video.VideoInfo>());
}
})
.SelectMany(x => x)
.Select(x =>
{
var vm = new VideoInfoControlViewModel(x.Video.Id);
vm.SetTitle(x.Video.Title);
vm.SetThumbnailImage(x.Video.ThumbnailUrl.OriginalString);
return(vm);
})
.ToReadOnlyReactiveCollection(onReset: this.ObserveProperty(x => x.Keyword).ToUnit())
.AddTo(_CompositeDisposable);
HasKeywordSearchResultItems = KeywordSearchResultItems
.ObserveProperty(x => x.Count)
.Select(x => x > 0)
.ToReadOnlyReactiveProperty()
.AddTo(_CompositeDisposable);
RelatedLiveTags = new ObservableCollection <string>();
LiveSearchResultItems = this.ObserveProperty(x => x.Keyword)
.Where(x => !string.IsNullOrWhiteSpace(x))
.SelectMany(async(x, i, cancelToken) =>
{
RelatedLiveTags.Clear();
var res = await SearchProvider.LiveSearchAsync(x, false, length: 10);
if (res.IsStatusOK)
{
if (res.Tags != null)
{
foreach (var tag in res.Tags.Tag)
{
RelatedLiveTags.Add(tag.Name);
}
}
LiveSearchItemsTotalCount = res.TotalCount.FilteredCount;
return(res.VideoInfo?.AsEnumerable() ?? Enumerable.Empty <Mntone.Nico2.Searches.Live.VideoInfo>());
}
else
{
return(Enumerable.Empty <Mntone.Nico2.Searches.Live.VideoInfo>());
}
})
.SelectMany(x => x)
.Select(x =>
{
var liveInfoVM = new LiveInfoListItemViewModel(x.Video.Id);
liveInfoVM.Setup(x);
return(liveInfoVM);
})
.ToReadOnlyReactiveCollection(onReset: this.ObserveProperty(x => x.Keyword).ToUnit());
HasLiveSearchResultItems = LiveSearchResultItems
.ObserveProperty(x => x.Count)
.Select(x => x > 0)
.ToReadOnlyReactiveProperty()
.AddTo(_CompositeDisposable);
SearchProvider = searchProvider;
}