/// <summary>
/// Customer purchases a StoreItem. Locks thread so no other customer is able to purchase.
/// Checks if customer have enough money and that item is not already sold.
/// </summary>
/// <param name="objitem"></param>
#region BuyItem
// Buy function that is run whith multithreading
public void BuyItem(object objitem)
{
// Locks the function when in use.
lock (_customerLock)
{
// Casts input object to StoreItem object.
StoreItem item = (StoreItem)objitem;
// Checks if the Item is already sold.
if (item.StoreItemSold)
{
Console.WriteLine(" " + CustomerName + " tried purchasing " + item.StoreItemName + " but it was already sold.");
}
// Checks to see if the customer has enough balance to buy the Item.
else if (CustomerBalance < item.StoreItemPrice)
{
Console.WriteLine(" " + CustomerName + " tried purchasing " + item.StoreItemName + " but didn't have enough balance");
}
// If none of the above, purchaces the Item.
else
{
// Prints the information about the purchase.
Console.Write(" " + CustomerName + " bought ");
Console.Write("[" + item.ToColor() + "]");
Console.ResetColor();
Console.Write(" for $ " + item.StoreItemPrice);
// Withdraws money from the customers balance.
CustomerBalance -= item.StoreItemPrice;
Console.WriteLine(" and now have balance: " + CustomerBalance);
// Sets item to sold.
item.StoreItemSold = true;
}
}
}