public static GalleryVM GetVM(Gallery gallery)
{
var gi = new GalleryInfo(gallery.ID, gallery.Token);
if (Cache.TryGet(gi, out var vm))
{
vm.Gallery = gallery;
if (gallery.Count <= vm.currentIndex)
{
vm.currentIndex = -1;
}
}
else
{
vm = new GalleryVM(gallery);
Cache.Add(gi, vm);
}
return(vm);
}