public decimal PromptForPayment()
{
_prompt.Message = "\n" +
"Please pay for your order using " + PaymentType.ToLower() + ". Enter the amount to pay:";
//Get input and trim any $ symbol, the user might have specified.
string userResponse = Prompt.CleanCurrencyInput(_prompt.GetUserInput());
while (!decimal.TryParse(userResponse, out decimal num) || Convert.ToDecimal(userResponse) < TotalPrice) // while not a decimal value that is at least the amount requested
{
// Validate Payment (did they give enough money?)
if (decimal.TryParse(userResponse, out num) && (Convert.ToDecimal(userResponse) < TotalPrice))
{
_prompt.Message = "Inadequate amount received. You are " + (TotalPrice - Convert.ToDecimal(userResponse)).ToString("C") + " short. Please pay the full amount: " + TotalPrice.ToString("C");
}
else
{
_prompt.Message = "That is not a valid numeric response. Please enter a number:";
}
//Get input and trim any $ symbol, the user might have specified.
userResponse = Prompt.CleanCurrencyInput(_prompt.GetUserInput());
}
return(Convert.ToDecimal(userResponse));
}
public virtual string PromptForCoffeeMenu()
{
// Prompt to optionally see menu
_prompt.Message = "What can I get for you?\n" +
"\t'menu' - View menu and prices\n" +
"\t'order' - Create order\n";
string userResponse = _prompt.GetUserInput();
string[] expectedResponse = { "order", "menu" };
while (!((IList)expectedResponse).Contains(userResponse))
{
// prompt again
_prompt.Message = "Invalid option";
userResponse = _prompt.GetUserInput();
}
return(userResponse);
}
public virtual string PromptForSize()
{
_prompt.Message = "What size would you like? (";
foreach (var size in _priceList.SizeOptionList)
{
_prompt.Message = _prompt.Message + size.Size.ToLower() + "/";
}
_prompt.Message.Trim('/');
_prompt.Message = _prompt.Message + ")";
string userResponse = _prompt.GetUserInput();
while (_priceList.SizeOptionList.Where(x => x.Size == userResponse).Count() < 1) // while not a valid size option
{
// prompt again
_prompt.Message = "Invalid size.";
userResponse = _prompt.GetUserInput();
}
return(userResponse);
}