public static async Task <FavViewModel> CreateAsync(BiliFav fav)
{
var model = new FavViewModel()
{
Title = fav.Title,
Id = fav.Id
};
var list = new ObservableCollection <FavVideoViewModel>();
foreach (var video in fav.VideoList)
{
list.Add(await FavVideoViewModel.CreateAsync(video.Title, video.Bv, video.Picture));
}
list.Add(new FavVideoViewModel()
{
Bv = "加载更多",
Title = "加载更多",
CoverImg = new BitmapImage(new Uri("ms-appx:///Assets/LoadMore.png"))
});
model.VideoList = list;
return(model);
}
public async Task GetMoreVideoAsync(XamlRoot xamlRoot)
{
var count = this.VideoList.Count - 1;
if ((count < 20) || (count % 20 != 0))
{
var dialog = new ErrorDialog("已经没有更多了", xamlRoot)
{
PrimaryButtonText = ""
};
await dialog.ShowAsync();
return;
}
var fav = await BiliFavHelper.GetBiliFavAsync(this.Id, (count / 20) + 1, UserPage.SESSDATA);
if (fav == null)
{
var dialog = new ErrorDialog("已经没有更多了", xamlRoot)
{
PrimaryButtonText = ""
};
await dialog.ShowAsync();
return;
}
var list = new List <FavVideoViewModel>();
foreach (var video in fav.VideoList)
{
list.Add(await FavVideoViewModel.CreateAsync(video.Title, video.Bv, video.Picture));
}
this.VideoList.Remove(this.VideoList.TakeLast(1).Single());
list.ForEach(v => this.VideoList.Add(v));
this.VideoList.Add(new FavVideoViewModel()
{
Bv = "加载更多",
Title = "加载更多",
CoverImg = new BitmapImage(new Uri("ms-appx:///Assets/LoadMore.png"))
});
}
public static async Task <FavVideoViewModel> CreateAsync(string title, string bv, string coverUrl)
{
var model = new FavVideoViewModel();
model.Title = title;
model.Bv = bv;
try
{
var imgSource = new BitmapImage(new Uri(coverUrl));
model.CoverImg = imgSource;
}
catch (System.Exception ex)//封面下载不了的异常
{
model.CoverImg = new BitmapImage(new Uri("ms-appx:///Assets/LockScreenLogo.scale-200.png"));
}
return(model);
}
