public MyArtistsPageViewModel()
{
EndListCommand = new WGCommand(_ =>
{
if (TrackedArtists.SelectMany(art => art.ToList()).Count() >= _totalEntries)
{
return;
}
this.Services().Notifications.SetProgress("");
Page++;
this.ExecuteAsync(__ =>
{
this
.BusinessServices()
.Tracking
.GetTrackedArtists("DavidMelo", Page)
.Item2
.ToList()
.ForEach(element =>
{
if (TrackedArtists.Select(e => e.Key).Contains(element.Key))
{
ReorganizeGroups(element);
}
else
{
ExecuteOnDispatcher(() =>
TrackedArtists.Add(element));
}
});
this.ExecuteOnDispatcher(() =>
this.Services().Notifications.ClearProgressIndicator());
});
});
}
private void ReorganizeGroups(WGGrouping <char, Artist> element)
{
var oldArtists = TrackedArtists.Where(e => e.Key == element.Key).SelectMany(g => g.ToList()).ToList();
oldArtists.AddRange(element.ToList());
var group =
TrackedArtists.Single(
e => e.Key == element.Key);
var groupindex = TrackedArtists.IndexOf(group);
group.Group = oldArtists
.GroupBy(a => a.DisplayName.ToLower().First())
.Select(groups => new WGGrouping <char, Artist>(groups)).Single();
ExecuteOnDispatcher(() =>
TrackedArtists[groupindex] = group);
}
