/// <summary>
/// display the inventory
/// </summary>
/// <param name="inventory">list of Items</param>
public static void DisplayInventory(IList <Item> inventory)
{
Console.Clear();
Console.WriteLine();
Console.WriteLine("Current Inventory");
Console.WriteLine();
Console.WriteLine("\tName\t\tInventory\t\tBackorder");
foreach (var item in inventory)
{
if (item is Perishable)
{
Perishable perishableItem = new Perishable();
perishableItem = item as Perishable;
Console.WriteLine($"\t{perishableItem.ItemName}\t\t{perishableItem.CurrentInventory}");
}
else if (item is NonPerishable)
{
NonPerishable nonPerishableItem = new NonPerishable();
nonPerishableItem = item as NonPerishable;
Console.WriteLine($"\t{nonPerishableItem.ItemName}\t\t{nonPerishableItem.CurrentInventory}\t\t\t{nonPerishableItem.InventoryToOrder}");
}
else
{
Console.WriteLine("Item has no category.");
}
}
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}
/// <summary>
/// cycle through the list of products and sell items
/// </summary>
/// <param name="inventory">list of Items</param>
private static void DisplayPerformTransactions(IList <Item> inventory)
{
//
// declare delegate object
//
ProductTransaction productTransaction = null;
//
// sell products
//
foreach (var item in inventory)
{
int unitsSold = 0;
Console.Clear();
Console.WriteLine();
Console.WriteLine("Sell Products");
Console.WriteLine();
//
// get number of units to sell and process based on item class
//
if (item is NonPerishable)
{
NonPerishable nonPerishableItem = new NonPerishable();
nonPerishableItem = item as NonPerishable;
Console.Write($"Enter the number of {nonPerishableItem.ItemName} sold: ");
if (int.TryParse(Console.ReadLine(), out unitsSold))
{
productTransaction = ProcessNonPerishableSale;
}
}
else if (item is Perishable)
{
Perishable perishableItem = new Perishable();
perishableItem = item as Perishable;
Console.Write($"Enter the number of {perishableItem.ItemName} sold: ");
if (int.TryParse(Console.ReadLine(), out unitsSold))
{
productTransaction = ProcessPerishableSale;
}
}
//
// process the transaction
//
ProcessTransaction(productTransaction, item, unitsSold);
}
Console.WriteLine();
Console.WriteLine("Inventory Complete");
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}
/// <summary>
/// process nonperishable item sales
/// </summary>
/// <param name="item">item to sell</param>
/// <param name="units">number to sell</param>
public static void ProcessNonPerishableSale(Item item, int units)
{
NonPerishable nonPerishableItem = new NonPerishable();
nonPerishableItem = item as NonPerishable;
if (item.CurrentInventory >= units)
{
nonPerishableItem.CurrentInventory -= units;
}
else
{
nonPerishableItem.InventoryToOrder = Math.Abs(nonPerishableItem.CurrentInventory - units);
nonPerishableItem.CurrentInventory = 0;
}
}