private void CheckItemNull(BackpackItem item)
{
if (item == null)
{
throw new NullReferenceException("Not valid item!");
}
}
public void updateItem(BackpackItem item)
{
CheckItemNull(item);
if (items.ContainsKey(item.ItemName))
{
items.Remove(item.ItemName);
items.Add(item.ItemName, item);
}
}
public void addItem(Item item, int count)
{
BackpackItem backpackItem = new BackpackItem();
backpackItem.Item = item;
if (backpackRepository.contains(item.ItemName))
{
backpackItem.increaseCount(count);
backpackRepository.updateItem(backpackItem);
}
else
{
backpackItem.Count = count;
backpackRepository.addItem(backpackItem);
}
}
public void addItem(BackpackItem item)
{
CheckItemNull(item);
items.Add(item.ItemName, item);
}