private void UpdateItem(UpdateModel updateModel)
{
Grouping <string, ItemPreview> currentItems = null;
if (Items != null)
{
currentItems = Items.Where(k => k.Key == updateModel.ItemPreview.ItemType.ToPluralString())
.FirstOrDefault();
}
else if (Items is null)
{
Items = new ObservableCollection <Grouping <string, ItemPreview> >();
}
if (currentItems is null)//that means no items of that type are in list
{
//add new item
DisplayMsg("", false);//make sure there is no msg
Items.Add(new Grouping <string, ItemPreview>(updateModel.ItemPreview.ItemType.ToPluralString(), new List <ItemPreview>()
{
updateModel.ItemPreview
}));
}
else if (updateModel.UpdateType == TypeOfUpdates.Create)
{
currentItems.Add(updateModel.ItemPreview);
}
else if (updateModel.UpdateType == TypeOfUpdates.Modify)
{//get current item that will be modified later
var itemToBeModified = currentItems.FirstOrDefault(s => s.Id == updateModel.ItemPreview.Id);
if (itemToBeModified != null)
{
int index = currentItems.IndexOf(itemToBeModified);//get index of the item from the list
currentItems.SetNewItem(index, updateModel.ItemPreview);
}
}
else if (updateModel.UpdateType == TypeOfUpdates.Delete)
{
Delete(updateModel.ItemPreview.Id);
}
if (IsUwp)
{
Items = UpdateItems(Items);//update the list with itself(bug: (when updating an item it will not be displayed so i updated the current list))
}
}
public static int GetPlayingSongIndexInGroup(this Grouping <IGroupKey, Mediafile> group)
{
return(group?.IndexOf(group.FirstOrDefault(t => t.State == Core.Common.PlayerState.Playing)) ?? 0);
}
