public void SetReturnedReturnables(IEnumerable <KeyValuePair <Returnable, int> > returnables)
{
if (returnables == null || !returnables.Any())
{
ReturnedReturnables = new List <DeliveryReturnable>();
return;
}
if (ReturnedReturnables == null)
{
ReturnedReturnables = new List <DeliveryReturnable>();
}
var newReturnableIds = returnables.Select(r => r.Key.Id);
var existingReturnableIds = ReturnedReturnables.Select(r => r.ReturnableId);
var returnablesToRemove = newReturnableIds.Except(existingReturnableIds);
foreach (var returnableToRemove in returnablesToRemove)
{
var returnable = ReturnedReturnables.SingleOrDefault(r => r.ReturnableId == returnableToRemove);
ReturnedReturnables.Remove(returnable);
}
foreach (var returnable in returnables)
{
var existingReturnable = ReturnedReturnables.SingleOrDefault(r => r.ReturnableId == returnable.Key.Id);
if (existingReturnable != null)
{
existingReturnable.SetQuantity(returnable.Value);
}
else
{
ReturnedReturnables.Add(new DeliveryReturnable(returnable.Key, returnable.Value));
}
}
Refresh();
}
