aakashtravels.cpp

// Basic header files required for different inbuilt function
#include <iostream>
#include <fstream>
#include <conio.h>
#include <random>
#include <iomanip>
using namespace std;

// Here class bus is defined that makes easier to implement different methods
class Bus
{
	string destination;
	string origin;
	string driverFirstName;
	string driverLastName;
	int busNumber;
	string departureTime;
	int year;
	int month;
	int day;
	int fare;
	int seats[8][4] = { 0 };

	string firstName;
	string lastName;
	int seatNumber;
	int ticketNumber;
	long long phoneNumber;
	ofstream busFileOut, passFileOut;
	ifstream busFileIn, passFileIn;


	// Public access functions for class Bus
	public:
	void inputInfo();
	void removeInfo();
	void seatInfo();
	void passenger();
	void admin();
	void bookTicket();
	void cancelReservation();
	void showTicket();
	bool fileHandling(int);
	void adminCheck();
};


void vline(char ch, int n)
{
	for (int i = n; i > 0; i--)
	{
		cout << ch;
	}

	cout << endl;
}

void headerDisplay() {
  cout << R"(	
                     _______       _                _        _______                      _       
                    (_______)     | |              | |      (_______)                    | |      
                     _______ _____| |  _ _____  ___| |__        _  ____ _____ _   _ _____| |  ___ 
                    |  ___  (____ | |_/ |____ |/___)  _ \      | |/ ___|____ | | | | ___ | | /___)
                    | |   | / ___ |  _ (/ ___ |___ | | | |     | | |   / ___ |\ V /| ____| ||___ |
                    |_|   |_\_____|_| \_)_____(___/|_| |_|     |_|_|   \_____| \_/ |_____)\_|___/       
					                                                                           
)";

vline('-', 120);
}


// This function will run if  there are no bus in the system and user try to access bus info
void emptyList()
{
	cout << setw(65) << "The list is empty" << endl;
	vline('-', 120);
}

// Function to input and check the password for admin access
void inputPassword()
{
	string password, pass;
	fstream passFile;
	passFile.open("password.bin", ios::app | ios:: in);
	if (passFile.peek() == ifstream::traits_type::eof())
	{
		pass = "admin123";
		passFile << pass;
	}

	passFile >> pass;
	passFile.close();

	do {
		cout << "Enter password: ";
		char ch = _getch();
		while (ch != 13)
		{
			// 13 is the ASCII code for the Enter key
			if (ch == 8)
			{
			 	// 8 is the ASCII code for the backspace key
				if (!password.empty())
				{
					cout << '\b' << ' ' << '\b';
					password.pop_back();
				}
			}
			else
			{
				password.push_back(ch);
				cout << '*';
			}

			ch = _getch();
		}

		if (password != pass)
		{
			cout << "\nERROR! Incorrect Password" << endl;
			vline('-', 120);
			password.clear();
		}
	} while (password != pass);
	cout << endl;
}

void changePassword()
{
	fstream passFile;
	string password;
	inputPassword();
	Bus b;
	cout << "Enter new password: ";
	cin >> password;

	passFile.open("password.bin", ios::trunc | ios::out);
	passFile << password;
	passFile.close();
	vline('-', 120);
	cout << "SUCCESS! Password Changed" << endl;
	vline('-', 120);
	return b.admin();

}

// Function to check if the bus number entered exists in the system
bool Bus::fileHandling(int n)
{
	int countVar = 0, table = 0, q = 0;
	Bus bus, pass;
	bool empty = false;

	if (n <= 5)
	{
		busFileIn.open("bus_info.bin", ios::out);

		if (busFileIn.peek() == ifstream::traits_type::eof())
		{
			return false;
		}

		busFileIn.clear();
		busFileIn.seekg(0);

		while (busFileIn >> bus.destination >> bus.origin >> bus.driverFirstName >> bus.driverLastName >> bus.busNumber >> bus.year >> bus.month >> bus.day >> bus.departureTime >> bus.fare)
		{
			bool showInfo = false;

			if (busNumber == bus.busNumber && n == 1)
			{
				countVar++;
			}

			if (destination == bus.destination && (n == 2 || n == 4))
			{
				countVar++;

				if (n == 4)
				{
					showInfo = true;
				}
			}

			if (n == 5)
			{
				showInfo = true;
			}

			if (showInfo == true)
			{
				bool seatExists = false;
				int availableSeats = 0;

				for (int i = 1; i <= 32; i++)
				{
					bus.seatNumber = i;
					seatExists = bus.fileHandling(7);

					if (seatExists == false)
					{
						availableSeats++;
					}
				}

				if (table == 0)
				{
					cout << "\033c";
					headerDisplay();
					cout << setw(5) << "S.No" << setw(16) << "Bus Number" << setw(19) << "From - To" << setw(26) << "Departure Date" << setw(19) << "Departure Time" << setw(10) << "Fare" << setw(23) << "Seats Available" << endl;
					vline('=', 120);
					table++;
				}

				cout << setw(3) << ++q << setw(14) << bus.busNumber << setw(18) << bus.origin << " - " << bus.destination << setw(20 - bus.destination.length()) << bus.year << "/" << setw(2) << setfill('0') << bus.month << "/" << setw(2) << setfill('0') << bus.day << setfill(' ') << setw(17) << bus.departureTime << setw(12) << "Rs " << bus.fare << setw(16) << availableSeats << endl;
				vline('-', 120);
				countVar++;
			}

			if (n == 3 && destination == bus.destination && busNumber == bus.busNumber)
			{
				countVar++;
			}
		}

		busFileIn.close();
		if (countVar != 0)
		{
			return true;
		}

		return false;
	}
	else
	{
		passFileIn.open("passengerInfo.bin");

		passFileIn.clear();
		passFileIn.seekg(0);

		while (passFileIn >> pass.firstName >> pass.lastName >> pass.ticketNumber >> pass.seatNumber >> pass.phoneNumber >> pass.busNumber)
		{
			bool showInfo = false;

			if (ticketNumber == pass.ticketNumber && n == 6)
			{
				countVar++;
			}

			if (seatNumber == pass.seatNumber && busNumber == pass.busNumber && n == 7)
			{
				countVar++;
			}

			if (busNumber == pass.busNumber && (n == 8 || n == 9))
			{
				seats[(pass.seatNumber - 1) / 4][(pass.seatNumber - 1) % 4] = 1;
				countVar++;
				if (n == 9)
				{
					showInfo = true;
				}
			}

			if (showInfo == true)
			{
				if (table == 0)
				{
					cout << "\033c";
					headerDisplay();
					cout << setw(10) << "S.No" << setw(28) << "Passenger's Name" << setw(21) << "Seatnumber" << setw(25) << "Ticketnumber" << setw(23) << "Phonenumber" << endl;
					vline('=', 120);
					table++;
				}

				cout << setw(5);
				cout << setw(9) << ++q << setw(20) << pass.firstName << " " << pass.lastName << setw(25 - pass.lastName.length()) << pass.seatNumber << setw(25) << pass.ticketNumber << setw(27) << pass.phoneNumber << endl;
				vline('-', 120);
			}
		}

		passFileIn.close();
		if (countVar != 0)
		{
			return true;
		}

		return false;
	}
}

void Bus::adminCheck()
{
	Bus b;
	string choice;
	bool busNumberExists = false;
	system("cls");
	headerDisplay();

	do {
		cout << "Enter the bus number: ";
		cin >> b.busNumber;

		busNumberExists = b.fileHandling(1);

		if (busNumberExists == false)
		{
			cout << "ERROR! The bus of number " << b.busNumber << " doesnot exists" << endl;
		}
	}

	while (busNumberExists == false);
	b.fileHandling(8);
	b.seatInfo();

	cout << "Would you like to see details of passengers of this bus? (Y/N)" << endl;
	do {
		cout << "Your choice: ";
		cin >> choice;

		if (choice == "y" || choice == "Y")
		{
			b.fileHandling(9);
		}
		else if (choice == "n" || choice == "N")
		{
			return admin();
		}
		else
		{
			cout << "ERROR! Please enter Y or y for yes or N or n for no" << endl;
		}
	} while (choice != "n" && choice != "N" && choice != "y" && choice != "Y");

}

// This function shows the seats of the bus and shows whether they are booked or not
void Bus::seatInfo()
{
	vline('-', 120);
	int q = 0;

	fileHandling(7);
	cout << endl;
	for (int i = 0; i < 8; i++)
	{
		for (int j = 0; j < 4; j++)
		{
			cout.width(10);
			if (j == 2)
			{
				cout.width(20);
			}

			if (seats[i][j] == 1)
			{
				cout << ++q << ".!RESERVED";
			}
			else
			{
				cout << ++q << ".!!Empty!!";
			}
		}

		cout << endl << endl;
	}

	vline('-', 120);

}

// This function reserves a seat for the passenger in the bus
void Bus::bookTicket()
{
	vline('-', 120);
	passFileOut.open("passengerInfo.bin", ios::app);
	int i, row, col;
	bool reserved = false;
	bool busNumberExists = false;
	bool destinationExists = false;
	Bus bus, pass;
	string phone;
	system("cls");
	headerDisplay();

	cout << "Please enter the desired destination: ";
	cin >> pass.destination;
	destinationExists = pass.fileHandling(4);

	if (destinationExists == false)
	{
		system("cls");
		headerDisplay();
		cout << "ERROR! No buses are available for given destination" << endl;
		vline('-',120);
		return passenger();
	}

	do {
		vline('-', 120);
		cout << "Enter bus number: ";
		cin >> pass.busNumber;

		busNumberExists = pass.fileHandling(3);

		if (busNumberExists == false || destinationExists == false)
		{
			cout << "ERROR! Bus number " << pass.busNumber << " is not available for provided destination" << endl;
			vline('-',120);
		}
	} while (busNumberExists == false || destinationExists == false);
	pass.fileHandling(8);
	pass.seatInfo();

	do {
		vline('-', 120);
		cout << "Enter seat number: ";
		cin >> pass.seatNumber;

		reserved = pass.fileHandling(7);

		if (reserved == true)
		{
			cout << "ERROR! The seat is already reserved" << endl;
			vline('-', 120);
		}
		else if (pass.seatNumber > 32)
		{
			cout << "ERROR! The seat limit is 32. So, please enter seat number upto 32" << endl;
			vline('-', 120);
		}
		else
		{
			break;
		}
	} while (reserved == true || pass.seatNumber > 32);

	row = (seatNumber - 1) / 4;
	col = (seatNumber - 1) % 4;
	cout << "Passenger's Details" << endl;
	vline('-', 21);
	cout << "Firstname: ";
	getline(cin >> ws, pass.firstName);
	cout << "Lastname: ";
	getline(cin >> ws, pass.lastName);
	do {
		cout << "Enter passenger's phone number: ";
		cin >> pass.phoneNumber;
		phone = to_string(pass.phoneNumber);
		if (phone.length() != 10)
		{
			cout << "ERROR! Please enter 10 digits number" << endl;
			vline('-', 120);
			cin.clear();
		}
	}

	while (phone.length() != 10);
	random_device rd;
	mt19937 gen(rd());
	uniform_int_distribution < > dis(1000, 10000);
	pass.ticketNumber = dis(gen);
	passFileOut << pass.firstName << " " << pass.lastName << " " << pass.ticketNumber << " " << pass.seatNumber << " " << pass.phoneNumber << " " << pass.busNumber << endl;
	passFileOut.close();
	vline('-', 120);
	cout << "Your seat is reserved successfully" << endl;
	vline('-', 120);
	system("pause");
	pass.showTicket();
}

void Bus::cancelReservation()
{
	Bus pass1, pass2;
	system("cls");
	headerDisplay();
	cout << "Enter ticket number: ";
	cin >> pass1.ticketNumber;

	bool ticketNumberExists = pass1.fileHandling(6);

	if (ticketNumberExists == true)
	{
		passFileIn.open("passengerInfo.bin");
		passFileOut.open("tempPass.bin");
		passFileIn.clear();
		passFileIn.seekg(0);
		while (passFileIn >> pass2.firstName >> pass2.lastName >> pass2.ticketNumber >> pass2.seatNumber >> pass2.phoneNumber >> pass2.busNumber)
		{
			if (pass1.ticketNumber != pass2.ticketNumber)
			{
				passFileOut << pass2.firstName << " " << pass2.lastName << " " << pass2.ticketNumber << " " << pass2.seatNumber << " " << pass2.phoneNumber << " " << pass2.busNumber << endl;
			}
		}

		passFileIn.close();
		passFileOut.close();

		remove("passengerInfo.bin");

		rename("tempPass.bin", "passengerInfo.bin");
		system("cls");
		headerDisplay();
		cout << "SUCCESS! The ticket is successfully cancelled" << endl;
		vline('-', 120);
	}
	else
	{
		system("cls");
		headerDisplay();
		cout << "The ticket number " << pass1.ticketNumber << " is not found in the list" << endl;
		vline('-', 120);
		return passenger();
	}
}

// This function gives the details about the seat and ticket
void Bus::showTicket()
{
	passFileIn.open("passengerInfo.bin");
	busFileIn.open("bus_info.bin");
	Bus pass1, bus, pass2;
	int n = 0;
	passFileIn.clear();
	passFileIn.seekg(0);

	while (passFileIn >> pass2.firstName >> pass2.lastName >> pass2.ticketNumber >> pass2.seatNumber >> pass2.phoneNumber >> pass2.busNumber)
	{
		if (pass2.ticketNumber == ticketNumber)
		{
			n++;
			break;
		}
	}

	passFileIn.close();

	if (n == 0)
	{
		system("cls");
		headerDisplay();
		cout << "ERROR! Ticket number not found" << endl;
		vline('-', 120);
		return passenger();
	}

	while (busFileIn >> bus.destination >> bus.origin >> bus.driverFirstName >> bus.driverLastName >> bus.busNumber >> bus.year >> bus.month >> bus.day >> bus.departureTime >> bus.fare)
	{
		if (pass2.busNumber == bus.busNumber)
		{
			break;
		}
	}

	busFileIn.close();
	cout << "\033c";
	vline('=', 120);
	cout << setw(65) << "BUS TICKET" << endl;
	vline('-', 120);
	cout << endl;
	cout << setw(23) << "Passenger's Name: " << pass2.firstName << " " << pass2.lastName << setw(65 - pass2.lastName.length()) << "Ticket Number: " << pass2.ticketNumber << endl << endl;
	cout << setw(21) << "Contact Number: " << pass2.phoneNumber << setw(65) << "Departure date: " << bus.year << "/" << bus.month << "/" << bus.day << endl << endl;
	cout << setw(17) << "Bus Number: " << pass2.busNumber << setw(76) << "Departure Time: " << bus.departureTime << endl << endl;
	cout << setw(18) << "Seat Number: " << pass2.seatNumber << setw(56) << endl << endl;
	cout << setw(53) << "From: " << bus.origin << setw(5) << "To: " << bus.destination << endl;
	cout << setw(97) << "Total Amount: Rs " << bus.fare << endl;
	vline('-', 120);
	cout << "NOTE: 1) Please note down your ticket number as it is required for further use" << endl << endl;
	cout << "      2) Please report to the respective counter before an hour of departure otherwise your ticket will be cancelled" << endl;
	vline('=', 120);
	system("pause");
}

// This function removes a bus from the system
void Bus::removeInfo()
{
	bool busNumberExists = false;
	bool validChoice = false;
	Bus bus1, bus2, pass;
	string choice;
	system("cls");
	headerDisplay();
	cout << "Enter the bus number: ";
	cin >> bus1.busNumber;

	busNumberExists = bus1.fileHandling(1);

	if (busNumberExists == false)
	{
		system("cls");
		headerDisplay();
		cout << "ERROR! The bus number " << bus1.busNumber << " is not on the list" << endl;
		vline('-', 120);
		return admin();
	}

	busNumberExists = bus1.fileHandling(8);

	if (busNumberExists == true)
	{
		system("cls");
		headerDisplay();
		cout << "ERROR! The passengers have already reserved seats of this bus. So, it cannot be deleted" << endl;
		vline('-', 120);
		return admin();
	}

	busFileIn.open("bus_info.bin");
	busFileOut.open("tempBus.bin");

	while (busFileIn >> bus2.destination >> bus2.origin >> bus2.driverFirstName >> bus2.driverLastName >> bus2.busNumber >> bus2.year >> bus2.month >> bus2.day >> bus2.departureTime >> bus2.fare)
	{
		if (bus1.busNumber != bus2.busNumber)
		{
			busFileOut << bus2.destination << " " << bus2.origin << " " << bus2.driverFirstName << " " << bus2.driverLastName << " " << bus2.busNumber << " " << bus2.year << " " << bus2.month << " " << bus2.day << " " << bus2.departureTime << " " << bus2.fare << endl;
		}
	}

	busFileIn.close();
	busFileOut.close();
	remove("bus_info.bin");
	rename("tempBus.bin", "bus_info.bin");
	system("cls");
	headerDisplay();
	cout << "SUCCESS! The bus is deleted from the list successfully" << endl;
	vline('-', 120);
}

void Bus::inputInfo()
{
	bool busNumberExists = false;
	Bus inBus;
	system("cls");
	headerDisplay();
	busFileOut.open("bus_info.bin", ios::app);
	do {
		cout << "Enter the bus number: ";
		cin >> inBus.busNumber;

		busNumberExists = inBus.fileHandling(1);

		if (busNumberExists == true)
		{
			cout << "ERROR! The bus number " << inBus.busNumber << " already exists" << endl;
			vline('-', 120);
		}
	} while (busNumberExists == true);
	vline('-', 16);
	cout << "Driver Details" << endl;
	vline('-', 16);
	cout << "Firstname: ";
	getline(cin >> ws, inBus.driverFirstName);
	cout << "Lastname: ";
	getline(cin >> ws, inBus.driverLastName);
	vline('-', 16);
	cout << "From: ";
	getline(cin, inBus.origin);
	cout << "To: ";
	getline(cin, inBus.destination);
	vline('-', 16);
	cout << "Departure Information"<<endl;
	vline('-', 16);
	cout << "Year: ";
	cin >> inBus.year;
	cout << "Month: ";
	cin >> inBus.month;
	cout << "Day: ";
	cin >> inBus.day;
	cout << "Enter the departure time (hh:mm): ";
	getline(cin >> ws, inBus.departureTime);
	vline('-', 16);
	cout << "Enter the fare: ";
	cin >> inBus.fare;
	busFileOut << inBus.destination << " " << inBus.origin << " " << inBus.driverFirstName << " " << inBus.driverLastName << " " << inBus.busNumber << " " << inBus.year << " " << inBus.month << " " << inBus.day << " " << inBus.departureTime << " " << inBus.fare << endl;
	busFileOut.close();
}

// This function contains acions that can be performed by bus admin
void Bus::admin()
{
	Bus b;
	bool empty;
	inputPassword();
	system("cls");
	headerDisplay();

  cout<<R"(
			+-------------------------------------------------------------------+
			|                                                                   |
			|                    1. Add a Bus                                   |
			|                                                                   |																
			|                    2. Delete a Bus                                |																	
			|                                                                   |																
			|                    3. View Available Buses                        |																
			|                                                                   |																
			|                    4. Chect seat status                           |																
			|                                                                   |																
			|                    5. Change to Passenger mode                    |
			|                                                                   |
			|                    6. Change admin password                       |            
			|                                                                   |
			|                    7. Exit                                        |                          
			|                                                                   |																
			+-------------------------------------------------------------------+
)";
int option = 0;
cout << setw(45) << "Select an action: ";
do {
	cin >> option;
	if (cin.fail() == true)
	{
		cin.clear();
		cin.ignore(numeric_limits<streamsize>::max(), '\n');
	}
} while (cin.fail() == true);

switch (option)
{
	case 1:
		b.inputInfo();
		system("cls");
		headerDisplay();
		cout<<"SUCCESS! Bus added successfully"<<endl;
		vline('-',120);
		break;

	case 2:
		b.removeInfo();
		break;

	case 3:
		empty = b.fileHandling(5);
		

		if (empty == false)
		{
			cout<<empty<<endl;
			system("cls");
			headerDisplay();
			emptyList();
		}

		system("pause");
		system("cls");
		headerDisplay();
		break;

	case 4:
		b.adminCheck();
		system("pause");
		system("cls");
		headerDisplay();
		break;

	case 5:
		system("cls");
		headerDisplay();
		b.passenger();
		break;

	case 6:
		system("cls");
		headerDisplay();
		changePassword();
		break;

	case 7:
		cout << "Closing the program!!" << endl <<
			"<Thank You :)>" << endl <<
			"Created By Aakash Dhakal" << endl;
		exit(0);
		break;

	default:
		system("cls");
		headerDisplay();
		vline('-', 120);
		cout << setw(80) << "ERROR! Please enter valid numbers from 1 to 6" << endl;
		vline('-', 120);
		return admin();
}

return admin();
}

// This function contains acions that can be performed by passenger
void Bus::passenger()
{
	Bus b;
	bool empty;
cout<<R"(
			+-------------------------------------------------------------------+
			|                                                                   |
			|                    1. View Available Buses                        |
			|                                                                   |																
			|                    2. Book a Ticket                               |																	
			|                                                                   |																
			|                    3. View your Ticket                            |																
			|                                                                   |																
			|                    4. Cancel your Reservation                     |																
			|                                                                   |																
			|                    5. Change to Admin mode                        |
			|                                                                   |
			|                    6. Exit                                        |                          
			|                                                                   |																
			+-------------------------------------------------------------------+
)";
int option = 0;
cout << setw(45) << "Select an action: ";
do {
	cin >> option;
	if (cin.fail() == true)
	{
		cin.clear();
		cin.ignore(numeric_limits<streamsize>::max(), '\n');
	}
} while (cin.fail() == true);

switch (option)
{
	case 1:
		empty = b.fileHandling(5);

		if (empty == false)
		{
			system("cls");
			headerDisplay();
			emptyList();
		}

		system("pause");
		break;

	case 2:
		b.bookTicket();
		system("cls");
headerDisplay();
		break;

	case 3:
		system("cls");
		headerDisplay();
		cout << "Enter your ticket number: ";
		cin >> b.ticketNumber;
		b.showTicket();
		system("cls");
headerDisplay();
		break;

	case 4:
		b.cancelReservation();
		break;

	case 5:
		system("cls");
		headerDisplay();
		b.admin();
		break;

	case 6:
		cout << "Closing the program!!" << endl <<
			"<Thank You :)>" << endl <<
			"Created By Aakash Dhakal" << endl;
		exit(0);
		break;

	default:
		system("cls");
		headerDisplay();
		vline('-', 120);
		cout << setw(80) << "ERROR! Please enter valid numbers from 1 to 6" << endl;
		return passenger();
		break;
}


return passenger();
vline('-', 120);
}

void programMode()
{
	Bus b;
	cout << setw(30) << " 1. Admin" << setw(30) << " 2. Passenger " << setw(25) << "3. Exit" << endl;
	vline('-', 120);
	int choice;

	do {
		cout << "Select program mode: ";
		cin >> choice;
		if (cin.fail() == true)
		{
			cin.clear();
			cin.ignore(numeric_limits<streamsize>::max(), '\n');
		}
	} while (cin.fail() == true);

	switch (choice)
	{
		case 1:
			system("cls");
			headerDisplay();
			b.admin();
			break;

		case 2:
			system("cls");
			headerDisplay();
			b.passenger();
			break;

		case 3:
			cout << "Closing the program!!" << endl <<
				"<Thank You :)>" << endl <<
				"Created By Aakash Dhakal" << endl;
			exit(0);

		default:
			system("cls");
			headerDisplay();
			cout << setw(80) << "ERROR! Please enter valid numbers from 1 to 3" << endl;
			vline('-', 120);
			return programMode();
	}
}

// This is the main function from where the program starts
int main(int argc, char** argv)
{
	headerDisplay();
	programMode();

	return 0;
}