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/*
File: lab4.cpp
Author: Dennis Hensley
Description: This application is an ordering system for wood floors.
*/
#include<iostream>
using namespace std;
bool isValid(char floorType); //Returns if an invalid floor type is entered.
int calculateNumBoxes(int squareFeet); //Function that is used to calculate number of boxes.
void calculateReceipt(char floorType, int Num_Boxes, double& subtotal, double& tax,
double& total, double& downpayment); //Calculates tax, subtotal, total, and down payment.
void printReceipt(int Num_Boxes, double subtotal, double tax, double total, double
downpayment); //Prints number of boxes, subtotal, total, tax, and down payment.
const int SQ_FT_PER_BOX=30;
const double LAMINATE_COST=2.59;
const double ENGINEERED_COST=3.19;
const double WOOD_COST=3.99;
const double TAX=0.0925;
const double MAX_DOWN_PAYMENT=500;
//Declaring constants.
int main()
{
int Num_Boxes;
char floorType;
double subtotal;
double tax;
double total;
double downpayment;
int squareFeet;
cout<< "Welcome to Wood Floors R Us!\n";
//Print menu
cout<< "To order your flooring, type:\n";
cout<< "\tL:Laminate ($2.59/sq ft)\n";
cout<< "\tE:Engineered hardwood ($3.19/sq ft)\n";
cout<< "\tW:Solid wood ($3.99/sq ft)\n";
cout<< "\tQ:To quit/exit"<<endl;
//Prompt user for floor type
cout<< "Floor type: ";
cin>> floorType;
while (floorType!='Q' && floorType!='q')
{
isValid(floorType);
//If isValid returns true
if(isValid(floorType))
{
cout<< "Square feet required: ";
cin>>squareFeet;
//If user enters a negative square feet, print error message
while(squareFeet<=0)
{
cout<< "Square feet must be positive.\n";
cout<< "Square feet required: ";
cin>> squareFeet;
}
//Call functions
calculateNumBoxes(squareFeet);
calculateReceipt(floorType, Num_Boxes, subtotal, tax, total, downpayment);
printReceipt(Num_Boxes, subtotal, tax, total, downpayment);
}
//If isValid returns false...do this.
else
{
cout<< "Invalid floor type!";
cout<< "To order your flooring, type:\n";
cout<< "\tL:Laminate ($2.59/sq ft)\n";
cout<< "\tE:Engineered hardwood ($3.19/sq ft)\n";
cout<< "\tW:Solid wood ($3.99/sq ft)\n";
cout<< "\tQ:To quit/exit"<<endl;
//Prompt user again for floor type
cout<< "Floor type: ";
cin>> floorType;
}
//Ask user again for floortype and print menu
cout<< "To order your flooring, type:\n";
cout<< "\tL:Laminate ($2.59/sq ft)\n";
cout<< "\tE:Engineered hardwood ($3.19/sq ft)\n";
cout<< "\tW:Solid wood ($3.99/sq ft)\n";
cout<< "\tQ:To quit/exit"<<endl;
//Prompt user again for floor type
cout<< "Floor type: ";
cin>> floorType;
}
//Print Good-bye message
cout<< "Thankyou for your patronage!"<<endl;
return(0);
}
bool isValid(char floorType)
{
if(floorType=='E' || floorType=='e' || floorType=='L' || floorType=='l' ||
floorType=='W' || floorType=='w')
{
return(true);
}
else
{
return(false);
}
}
int calculateNumBoxes(int squareFeet)
{
int Num_Boxes; //Number of boxes user needs
Num_Boxes=squareFeet/30;
if(Num_Boxes%30!=0)
{
Num_Boxes++;
}
return(Num_Boxes);
}
void calculateReceipt(char floorType, int Num_Boxes, double& subtotal, double& tax,
double& total, double& downpayment)
{
if(floorType=='E' || floorType=='e')
{
subtotal=Num_Boxes*SQ_FT_PER_BOX*ENGINEERED_COST;
tax= subtotal*TAX;
total= subtotal + tax;
//Calculate downpayment
if(total< MAX_DOWN_PAYMENT)
{
downpayment=total;
}
else
{
downpayment= MAX_DOWN_PAYMENT;
}
}
if(floorType=='L' || floorType=='l')
{
subtotal=Num_Boxes*SQ_FT_PER_BOX*LAMINATE_COST;
tax= subtotal*TAX;
total= subtotal + tax;
//Calculate downpayment
if(total< MAX_DOWN_PAYMENT)
{
downpayment=total;
}
else
{
downpayment= MAX_DOWN_PAYMENT;
}
}
if(floorType=='W' || floorType=='w')
{
subtotal=Num_Boxes*SQ_FT_PER_BOX*WOOD_COST;
tax= subtotal*TAX;
total= subtotal + tax;
//Calculate downpayment
if(total< MAX_DOWN_PAYMENT)
{
downpayment=total;
}
else
{
downpayment= MAX_DOWN_PAYMENT;
}
}
}
void printReceipt(int Num_Boxes, double subtotal, double tax, double total, double downpayment)
{
//Set values two places to the right of the decimal
cout.setf(ios::fixed);
cout.setf(ios::showpoint);
cout.precision(2);
//Print receipt to user
cout<<"Number of Boxes:" <<Num_Boxes<< endl;
cout<<"Sub total:" <<subtotal<< endl;
cout<<"Tax (9.25%):" <<tax<< endl;
cout<<"Total:" <<total<< endl;
cout<<"Required downpayment:" <<downpayment<< endl;
}
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