public string Update(string productCode, int quantity)
{
foreach (CateringItem item in items)
{
if (item.Code == productCode)
{
if (item.Quantity == 0)
{
return("Product sold out");
}
else if (quantity > item.Quantity)
{
return("Sorry, but we don't have enough of that.");
}
else if (balance < item.Price * quantity)
{
return("Sorry, you don't have enough money for that.");
}
else
{
item.Quantity -= quantity;
balance -= (item.Price * quantity);
receipt.Add($"{quantity} {item.Type} {item.Name} ${item.Price} ${item.Price * quantity}");
totalPurchase += (item.Price * quantity);
fileAccess.Audit($"{DateTime.Now} {quantity} {item.Name} ${item.Price * quantity} ${balance}");
return("Purchase successful.");
}
}
}
return("Sorry, that product doesn't exist.");
}
public string GiveChange(Catering catering)
{
int nickel = 0;
int dime = 0;
int quarter = 0;
int oneDollar = 0;
int fiveDollar = 0;
int tenDollar = 0;
int twentyDollar = 0;
decimal temp = catering.AccountBalance;
while (catering.AccountBalance > 0)
{
if (catering.AccountBalance >= 20)
{
twentyDollar++;
catering.AccountBalance -= 20;
}
else if (catering.AccountBalance >= 10)
{
tenDollar++;
catering.AccountBalance -= 10;
}
else if (catering.AccountBalance >= 5)
{
fiveDollar++;
catering.AccountBalance -= 5;
}
else if (catering.AccountBalance >= 1)
{
oneDollar++;
catering.AccountBalance -= 1;
}
else if (catering.AccountBalance >= .25M)
{
quarter++;
catering.AccountBalance -= .25M;
}
else if (catering.AccountBalance >= .10M)
{
dime++;
catering.AccountBalance -= .10M;
}
else if (catering.AccountBalance >= .05M)
{
nickel++;
catering.AccountBalance -= .05M;
}
}
fileAccess.Audit($"{DateTime.Now} GIVE CHANGE: ${temp} ${catering.AccountBalance}");
return($"You were given {twentyDollar} 20's, {tenDollar} 10's, {fiveDollar} 5's, {oneDollar} 1's, {quarter} quarters, {dime} dimes, and {nickel} nickels. Thanks!");
}
