Head First C#

Head First C# Code: Chapter 5
Dinner Party
DinnerParty_NoProperties.cs

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace __DinnerParty
{
    // This is the DinnerParty class from the beginning of the chapter
    public class DinnerParty_NoProperties
    {
        const int CostOfFoodPerPerson = 25;
        public int NumberOfPeople;
        public decimal CostOfBeveragesPerPerson;
        public decimal CostOfDecorations = 0;

        public void SetHealthyOption(bool healthyOption)
        {
            if (healthyOption)
            {
                CostOfBeveragesPerPerson = 5.00M;
            }
            else
            {
                CostOfBeveragesPerPerson = 20.00M;
            }
        }

        public void CalculateCostOfDecorations(bool fancy)
        {
            if (fancy)
            {
                CostOfDecorations = (NumberOfPeople * 15.00M) + 50M;
            }
            else
            {
                CostOfDecorations = (NumberOfPeople * 7.50M) + 30M;
            }
        }
        public decimal CalculateCost(bool healthyOption)
        {
            decimal totalCost = CostOfDecorations +
                   ((CostOfBeveragesPerPerson + CostOfFoodPerPerson)
                       * NumberOfPeople);

            if (healthyOption)
            {
                return totalCost * .95M;
            }
            else
            {
                return totalCost;
            }
        }
    }
}