private async void MvOffsetCommandExecute()
{
_mvOffsetCancellationToken?.Cancel();
var newCancel = new CancellationTokenSource();
_mvOffsetCancellationToken = newCancel;
try
{
if (MoreMvs)
{
var netWorkDataResult = await _netWorkServices.GetAsync <KeyValuePair <bool, Mv[]> >("Artist", "GetArtistMv",
new { id = Id, offset = CurrentMvPageOffset, limit = RequireCountPerPage }, cancelToken : _mvOffsetCancellationToken.Token);
if (netWorkDataResult.Successed)
{
var moreAndMvs = netWorkDataResult.Data;
MoreMvs = moreAndMvs.Key;
Mvs.AddRange(moreAndMvs.Value);
CurrentMvPageOffset++;
}
else
{
//todo 网络连接失败
throw new OperationCanceledException();
}
}
}
catch (OperationCanceledException)
{
}
if (_mvOffsetCancellationToken == newCancel)
{
_mvOffsetCancellationToken = null;
}
}
protected override async void SetById(long id)
{
var task1 = _netWorkServices.GetAsync <Artist>("Artist", "GetArtistDetailById", new { id });
var task2 = _netWorkServices.GetAsync <KeyValuePair <bool, List <Global.Model.Album> > >("Artist", "GetArtistAlbum", new { id, offset = 0, limit = RequireCountPerPage });
var task3 = _netWorkServices.GetAsync <KeyValuePair <bool, List <Global.Model.Mv> > >("Artist", "GetArtistMv", new { id, offset = 0, limit = RequireCountPerPage });
var task4 = _netWorkServices.GetAsync <List <KeyValuePair <string, string> > >("Artist", "GetArtistIntroduction", new
{
id
});
var task5 = _netWorkServices.GetAsync <List <Global.Model.Artist> >("Artist", "GetSimiArtists", new { id });
// KeyValuePair<bool, List<Global.Model.Album>>
await Task.WhenAll(task1, task2, task3, task4, task5);
if (task1.Result.Successed &&
task2.Result.Successed &&
task3.Result.Successed &&
task4.Result.Successed &&
task5.Result.Successed)
{
_innerArtist = task1.Result.Data;
var moreAndAlbums = task2.Result.Data;
MoreAlbums = moreAndAlbums.Key;
var moreAndMvs = task3.Result.Data;
MoreMvs = moreAndMvs.Key;
await Task.WhenAll(HotMusics.AddRangeAsync(_innerArtist.HotMusics),
Albums.AddRangeAsync(moreAndAlbums.Value),
Mvs.AddRangeAsync(moreAndMvs.Value),
ArtistIntroductions.AddRangeAsync(task4.Result.Data),
SimiArtists.AddRangeAsync(task5.Result.Data));
RaiseAllPropertyChanged();
}
}
public AllMvViewModel()
{
for (int i = 0; i < 30; i++)
{
Mvs.Add(new Model.MvModel {
Title = "sadhgasdetwtgdsa", ArtistName = "setagds", WatchCount = 454768 * i
});
}
}
