public ProductOrder Scan(string productCode, ProductOrder productOrder)
{
// Check to See the scanned product is Only A,B,C,D
if (!Regex.IsMatch(productCode, @"^[A-D]+$"))
{
Console.WriteLine("Invalid Product Code");
Console.ReadLine();
System.Environment.Exit(-1);
}
if (productCode.Contains("A"))
{ //Count No of Product A
int count = productCode.Count(f => f == 'A');
productOrder.a = productOrder.a + count;
}
if (productCode.Contains("B"))
{ //Count No of Product B
int count = productCode.Count(f => f == 'B');
productOrder.b = productOrder.b + count;
}
if (productCode.Contains("C"))
{ //Count No of Product C
int count = productCode.Count(f => f == 'C');
productOrder.c = productOrder.c + count;
}
if (productCode.Contains("D"))
{ //Count No of Product D
int count = productCode.Count(f => f == 'D');
productOrder.d = productOrder.d + count;
}
return(productOrder);
}
//Calculate Total of Scanned Product
public double CalculateTotal(ProductOrder productOrder)
{
double TotalPrice = productOrder.TotalPriceOfA + productOrder.TotalPriceOfB
+ productOrder.TotalPriceOfC + productOrder.TotalPriceOfD;
return(TotalPrice);
}
static void Main(string[] args)
{
Console.WriteLine("Enter Product A,B,C,D to scan,After scanning all the product presse enter to see the TotalPrice");
PointOfSaleTerminal terminal = new PointOfSaleTerminal();
ProductOrder productOrder = new ProductOrder();
productOrder = terminal.Scan(Console.ReadLine(), productOrder);
productOrder = terminal.SetPricing(productOrder);
double result = terminal.CalculateTotal(productOrder);
Console.WriteLine("---------------------------------");
Console.WriteLine("Total Price is $" + result);
Console.ReadLine();
}
//Set Pricing for single or volume discount per product
public ProductOrder SetPricing(ProductOrder productOrder)
{
if (productOrder.a >= 3)
{
//getting quotient by '/' & Reminder by '%'
productOrder.TotalPriceOfA = productOrder.a / 3 * 3 + productOrder.a % 3 * 1.25;
}
else
{
productOrder.TotalPriceOfA = productOrder.a * 1.25;
}
productOrder.TotalPriceOfB = productOrder.b * 4.25;
if (productOrder.c >= 6)
{
//getting quotient by '/' & Reminder by '%'
productOrder.TotalPriceOfC = productOrder.c / 6 * 5 + productOrder.c % 6 * 1;
}
else
{
productOrder.TotalPriceOfC = productOrder.c * 1;
}
productOrder.TotalPriceOfD = productOrder.d * 0.75;
return(productOrder);
}