public Inventory Item(int index)
{
if (InventoryItems != null && InventoryItems.Any())
{
return(InventoryItems.ElementAt(index));
}
return(null);
}
public void CalculateTotalValuesOfInventory()
{
if (InventoryItems.Any())
{
TotalCostValue = InventoryItems.Sum(x => x.CostPrice);
TotalRetailValue = InventoryItems.Sum(x => x.RetailPrice);
}
TotalCostValue = 0;
TotalRetailValue = 0;
}
public void AddItem(IInventoryItem item)
{
if (!InventoryItems.Any(i => i.Name.Equals(item.Name) && i.Category.Equals(item.Category)))
{
InventoryItems.Add(item);
}
else
{
throw new Exception(string.Format("Item {0} in {1} category is already in the inventory", item.Name, item.Category));
}
}
private void BtnAddDetail_Click(object sender, EventArgs e)
{
if (cmbDetailItems.SelectedIndex == -1)
{
MessageBox.Show("Please select a detail item");
return;
}
InventoryItem item = _context.InventoryItems.FirstOrDefault(i => i.ID == (int)cmbDetailItems.SelectedValue);
if (!InventoryItems.Any(i => i.ID == item.ID))
{
InventoryItems.Add(item);
}
}
/// <summary>
/// We will look at the InventoryItems if the current text in the textbox is in the ListView
/// we just need to add to the count, if not we need to add to the InventoryItems
/// </summary>
private void AddItemToList()
{
if (InventoryItems.Any(p => p.Name == InputName) && InventoryItems.Count > 0)
{
InventoryItems.First(x => x.Name == InputName).ItemCount++;
}
else
{
if (string.IsNullOrEmpty(InputName))
{
MessageBox.Show("Please enter an item in the text box");
return;
}
InventoryItems.Add(new InventoryItem()
{
Name = InputName, ItemCount = 1
});
}
Item = new InventoryItem();
}
public bool HasItem(string name, string category)
{
return(InventoryItems.Any(i => i.Name.Equals(name) && i.Category.Equals(category)));
}
