car rental final.cpp

/*
	Concepts in the program

	-> concept of class and object
	-> class inheritance
	-> if else statements
	-> file handling
	-> while statements
	-> setwidth
	-> sleep function

*/

// CAR RENTAL SYSTEM IN C++ PROGRAMMING LANGUAGE
#include <iostream> //input/output
#include <fstream>	//file
#include <unistd.h> //sleep
#include <iomanip>	//setting width
#include <ctime>	//time

using namespace std;

// customer class
class Customer
{
protected:
	string customer_Name;
	int car_model;
	string car_Number;
};

// Rent class
//  inhereted class from customer class
class Rent : public Customer
{
private:
	// additional integer variables defined
	int numberOfDays;
	int rent_Fee;
	char str[200]; // A character array in which to store the data with Maximum number of characters to extract.
public:
	Rent();
	void welcome();
	void fileReader(char carFile[20]);
	void data();
	void invoiceAmount(); // Computes
	void invoiceRecord(); // Prints the invoice
};

Rent::Rent()
{
	numberOfDays = 0;
	rent_Fee = 0;
}

void Rent::welcome()
{

	ifstream inputFile("welcome.txt"); // displaying welcome ASCII image text on output screen fn1353
	if (!inputFile)
	{
		cout << "Cannot open input file.\n";
	}
	char str[1000];
	while (inputFile)
	{
		inputFile.getline(str, 1000); // delim defaults to '\n' cp
		if (inputFile)
			cout << str << endl;
	}
	inputFile.close();
	sleep(1);
	cout << "\nStarting the program please wait....." << endl;
	sleep(1);
	cout << "\nloading up files....." << endl;
	sleep(1);	   // function which waits for (n) seconds
	system("CLS"); // cleares screen
}

void Rent::fileReader(char carFile[20])
{
	ifstream inputFile;
	inputFile.open(carFile); // displaying details of model A
	if (!inputFile)
	{
		cout << "Error in printing file. File not found!" << endl;
	}
	while (inputFile)
	{
		inputFile.getline(str, 200);
		if (inputFile)
			cout << str << endl;
	}
}

void Rent::data()
{
	cout << "\n\n\t\t\t\tPlease Enter your Name: "; // taking data from the user
	cin >> customer_Name;
	cout << endl;
	do
	{
		// giving user a choice to select among three different models
		cout << "\t\t\t\t__________________________________________________________________" << endl;
		cout << "\t\t\t\tChoose a Car from the options below. \n ";
		cout << "\t\t\t\tChoose a number corresponding to the car you want to Select." << endl;
		cout << "\t\t\t\t__________________________________________________________________" << endl;
		cout << "\t\t\t\t1. Toyota 2021." << endl;
		cout << "\t\t\t\t2. Hyundai 2019." << endl;
		cout << "\t\t\t\t3. Ford 2020." << endl;
		cout << endl;
		cout << "\t\t\t\t__________________________________________________________________" << endl;
		cout << "\n\t\t\t\tChoose: ";
		cin >> car_model;
		cout << endl;

		switch (car_model)
		{
		case 1:
			system("CLS");
			cout << "You have choosed Toyota model 2021" << endl;
			fileReader("Toyota.txt");
			sleep(2);
			break;
		case 2:
			system("CLS");
			cout << "You have choosed Hyundai model 2019" << endl;
			fileReader("Hyundai.txt");
			sleep(2);
			break;
		case 3:
			system("CLS");
			cout << "You have choosed Ford model 2020" << endl;
			fileReader("Ford.txt");
			sleep(2);
			break;
		default:
			cout << "Invaild Car Model. Please try again!" << endl;
		}
	} while (car_model < 1 && car_model > 3);

	cout << "________________________________________________________________________________________________" << endl;
	cout << "Please provide following information:" << endl;

	// getting data from user related to rental service
	cout << "Please select a Car No. : ";
	cin >> car_Number;
	cout << "Number of days you wish to rent the car : ";
	cin >> numberOfDays;
	cout << endl;
}

void Rent::invoiceAmount()
{
	sleep(1);
	system("CLS");
	cout << "Calculating rent. Please wait......" << endl;
	sleep(2);
	if (car_model == 1)
		rent_Fee = numberOfDays * 150;
	if (car_model == 2)
		rent_Fee = numberOfDays * 160;
	if (car_model == 3)
		rent_Fee = numberOfDays * 175;
}

void Rent::invoiceRecord()
{
	time_t now = time(0);	  // getting local time
	char *date = ctime(&now); // Converting toa string
	cout << setw(80) << date << endl;
	cout << "\n\t\t                       CAR RENTAL - CUSTOMER INVOICE                  " << endl;
	cout << "\t\t	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout << "\t\t	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout << "\t\t	| Invoice No.  " << "					|" << setw(10) << "#1001" << " |" << endl; // can be automatically generated
	cout << "\t\t	| Customer Name " << "				|" << setw(10) << customer_Name << " |" << endl;
	cout << "\t\t	| Car Model  " << "					|" << setw(10) << car_model << " |" << endl; // car model
	cout << "\t\t	| Car No.  " << "					|" << setw(10) << car_Number << " |" << endl;
	cout << "\t\t	| Number of days  " << "				|" << setw(10) << numberOfDays << " |" << endl;
	cout << "\t\t	| Rental Amount  " << "				|" << setw(10) << rent_Fee << " |" << endl;
	cout << "\t\t	| Caution Money  " << "				|" << setw(10) << "0" << " |" << endl; // Can be calculated
	cout << "\t\t	| Advanced  " << "					|" << setw(10) << "0" << " |" << endl; // Can be calculated
	cout << "\t\t	|___________________________________________________________|" << endl;
	cout << "\t\t	| Total Rental Amount    " << "			|" << setw(6) << "R " << rent_Fee << " |" << endl;
	cout << "\t\t	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout << "\t\t	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
	cout << "\t\t	 NOTE: This is a computer generated invoce. " << endl;
	cout << "\t\t	       It does not require an authorised signture." << endl;
	cout << "\t\t	***********************************************************" << endl;
	cout << "\t\t	You are advised to pay up the amount before due date." << endl;
	cout << "\t\t	Otherwise penelty fee will be applied" << endl;
	cout << "\t\t	***********************************************************" << endl;

	system("PAUSE");
	system("CLS");
	fileReader("thanks.txt");
}

int main()
{

	// Object created for rent class and further member functions are called.
	Rent rent;
	rent.welcome();
	rent.data();
	rent.invoiceAmount();
	rent.invoiceRecord();
	return 0;
}