private void AddPostOrders()
{
ListPostOrder.Clear();
foreach (var post in _handler.ListPost)
{
var el = ListPostOrder.FirstOrDefault(o => o.Post != null && o.Post.ID == post.ID);
var added = el == null;
if (added)
{
el = new PostOrdersViewModel(post);
}
foreach (var order in _handler.Orders.Where(o => o.PostID == el.Post.ID))
{
el.Update(order);
}
if (added)
{
ListPostOrder.Add(el);
}
else
{
el.Update(post);
}
}
}
public void DeleteOrder(OrderViewModel order)
{
var pos = ListPostOrder.FirstOrDefault(o => o.Post.ID == order.PostID);
if (pos == null)
{
return;
}
var ord = pos.Orders.FirstOrDefault(o => o.Equals(order));
if (ord == null)
{
return;
}
pos.Orders.Remove(ord);
_handler.DeleteOrder(order);
}
public void UpdateOrders(OrderViewModel model)
{
var pos = ListPostOrder.FirstOrDefault(o => o.Post.ID == model.PostID);
if (pos == null)
{
return;
}
var ord = pos.Orders.FirstOrDefault(o => o.Equals(model));
model.IsChanged = false;
if (ord == null)
{
pos.Orders.Add(model);
}
else
{
ord.UpdateOrder(model);
}
_handler.Save(model);
}
