private void HandleMixCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Remove ||
e.Action == NotifyCollectionChangedAction.Replace)
{
foreach (MixModel model in e.OldItems)
{
MixCollection.Remove(MixLookupMap[model.MixId]);
MixLookupMap.Remove(model.MixId);
}
}
if (e.Action == NotifyCollectionChangedAction.Add ||
e.Action == NotifyCollectionChangedAction.Replace)
{
foreach (MixModel model in e.NewItems)
{
LookupMix(model);
}
}
if (e.Action == NotifyCollectionChangedAction.Reset)
{
MixCollection.Clear();
MixLookupMap.Clear();
}
}
private void PopulateCollection(MixCollection coll, Mix[] mixes)
{
foreach (var item in mixes)
{
coll.Add(item);
}
}
public MixViewModel LookupMix(MixModel mix)
{
if (MixLookupMap.ContainsKey(mix.MixId))
{
return(MixLookupMap[mix.MixId]);
}
else
{
MixViewModel newViewModel = new MixViewModel(mix);
MixLookupMap.Add(newViewModel.MixId, newViewModel);
MixCollection.Add(newViewModel);
return(newViewModel);
}
}
private async void FetchHomePageMixSets(FrameworkElement sender, object args)
{
SearchResult trendingMixesSearch = await MixSearch.FetchTrendingMixes();
trendingMixes = new MixCollection(trendingMixesSearch);
trendingMixesLst.MixSource = trendingMixes;
if (GlobalConfigs.CurrentUser != null)
{
Task<SearchResult> fetchRecommendedMixesTask = MixSearch.FetchMixesforUser(MixSearch.ListType.RECOMMENDED, GlobalConfigs.CurrentUser.UserId);
Task<SearchResult> fetchListenLaterMixesTask = MixSearch.FetchMixesforUser(MixSearch.ListType.LISTEN_LATER, GlobalConfigs.CurrentUser.UserId);
Task<SearchResult> fetchRecentlyPlayedMixesTask = MixSearch.FetchMixesforUser(MixSearch.ListType.HISTORY, GlobalConfigs.CurrentUser.UserId);
fetchRecentlyPlayedMixesTask.ContinueWith((res) =>
{
historyMixes = new MixCollection(res.Result);
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
historyMixesLst.MixSource = historyMixes;
historyMixesLst.Visibility = Visibility.Visible;
}
);
});
fetchListenLaterMixesTask.ContinueWith((res) =>
{
listenlaterMixes = new MixCollection(res.Result);
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
listenLaterMixesLst.MixSource = listenlaterMixes;
listenLaterMixesLst.Visibility = Visibility.Visible;
}
);
});
fetchRecommendedMixesTask.ContinueWith((res) =>
{
recommendedMixes = new MixCollection(res.Result);
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
recommendedMixesLst.Visibility = Visibility.Visible;
}
);
});
}
}