private void SelectProduct()
{
Console.WriteLine("Enter Product code.");
string product = Console.ReadLine().Trim().ToUpper();
Console.WriteLine("How many of this item?");
string quanity = Console.ReadLine().Trim();
Console.WriteLine();
if (!catering.IsProductValid(product))
{
Console.WriteLine("Not a valid product");
}
else if (catering.Quanity(quanity) == 0M)
{
Console.WriteLine("Quanity is not valid.");
}
else if (catering.IsSoldOut(product))
{
Console.WriteLine("Product is sold out.");
}
else if (!catering.IsSufficientQuanity(product, quanity))
{
Console.WriteLine("Not enough of this product for request.");
}
else if (!catering.IsSufficientFunds(product, quanity))
{
Console.WriteLine("Not enough money for request.");
}
else
{
catering.MakePurchase(product, quanity);
}
}