Class 12 Project (needs the worst C++ compiler in the world to compile) (licensed under GPLv3.0)

railway.cpp

/*
PROJECT: RAILWAY TICKET RESERVATION

Jai Luthra   Ayush Bisht
12-C         12-C
4            2
*/

#include<iostream.h>
#include<fstream.h>
#include<conio.h>
#include<string.h>
#include<ctype.h>
#include<stdlib.h>
#include<stdio.h>
#include<time.h>

/* GLOBAL CONSTANTS */
const char * TRAINFILE = "train.dat";
const char * TICKETFILE = "ticket.dat";

/*
CUSTOM DATA TYPES
Basic structures and classes not aware of file handling,
they hold info about respective data types
*/

struct Time
{
    int hours;
    int minutes;
};

struct Date
{
    int day; //DD
    int month; //MM
    int year; //YYYY
};

struct Passenger
{
    char name[25];
    int age;
    char gender;
};

class Train
{
private:
    int trainno;
    char from[4];
    char to[4];
    Time depart, arrival;
public:
    int getTrainNo() { return trainno; }
    char * getFrom() { return from; }
    char * getTo() { return to; }
    void create();
    void show();
};

class Ticket
{
private:
    unsigned int pnr;
    Train m_train;
    Passenger m_passenger;
    Date journey_date;
public:
    void book(Train, Passenger p, Date);
    void show();
    int getPNR() { return pnr; }
};

/* CTORS and METHODS */
void Train::create ()
{
    cout << endl << endl;
    cout << "Train No: ";
    cin >> trainno;
    cout << "Source and Destination codes (--- ---): ";
    cin >> from >> to;
    cout << "Departure Time (HH MM): ";
    cin >> depart.hours >> depart.minutes;
    cout << "Arrival Time (HH MM): ";
    cin >> arrival.hours >> arrival.minutes;
}

void Train::show ()
{
    cout << "Train No: " << trainno << endl;
    cout << "From: " << from << endl;
    cout << "To: " << to << endl;
    cout << "Departure Time: " << depart.hours << ":" <<  depart.minutes << endl;
    cout << "Arrival Time: " << arrival.hours << ":" <<  arrival.minutes << endl;
}

void Ticket::book (Train t, Passenger p, Date d)
{
    m_train = t;
    m_passenger = p;
    journey_date = d;
    srand (time(NULL));
    pnr = rand() % 100000;
}

void Ticket::show ()
{
    cout << "PNR No: " << pnr << endl << endl;
    cout << "Train Info" << endl;
    cout << "----------" << endl;
    m_train.show();
    cout << endl;
    cout << "Name: " << m_passenger.name << endl;
    cout << "Age: " << m_passenger.age << endl;
    cout << "Gender: " << m_passenger.gender << endl;
    cout << "Date: " << journey_date.day << '/' << journey_date.month
	 << '/' << journey_date.year << endl;
}

/*
FUNCTIONS
All the File Handling and creation of Train, Ticket objects take place here
User Interaction also happens through these
*/

/* USER MENU FUNCTIONS */

void search_train()
{
    Train t;
    char from[4], to[4];
    cout << "Enter the source station code: ";
    cin >> from;
    cout << "Enter the destination station code: ";
    cin >> to;
    fstream file (TRAINFILE, ios::in|ios::binary);
    if (!file) {
	return;
    }
    while (!file.eof()) {
	file.read((char *) &t, sizeof(Train));
	if (file.eof()) {
	    break;
	}
	if (strcmp(from, t.getFrom()) == 0 && strcmp(to, t.getTo()) == 0) {
	    cout << "\n\n";
	    t.show();
	    getch();
	}
    }
    file.close();
}

void book_ticket()
{
    int trainno;
    Train t;
    cout << endl << "Train No.: ";
    cin >> trainno;
    int found = 0;
    fstream tfile (TRAINFILE, ios::in|ios::binary);
    if (!tfile) {
	return;
    }
    while (tfile) {
	tfile.read((char *) &t, sizeof(Train));
	if (t.getTrainNo() == trainno) {
	    found = 1;
	    break;
	}
    }
    tfile.close();
    if (!found) {
	cout << endl;
	cout << "Train Not Found. Please search train from Main Menu";
	getch();
	return;
    }
    Passenger p;
    cout << endl << "Please enter passenger details" << endl;
    cout << "Name: ";
    gets(p.name);
    cout << "Age: ";
    cin >> p.age;
    cout << "Gender (M/F/O): ";
    cin >> p.gender;
    Date d;
    cout << "Date (DD MM YYYY): ";
    cin >> d.day >> d.month >> d.year;
    Ticket ti;
    ti.book(t, p, d);
    tfile.open(TICKETFILE, ios::app|ios::binary);
    tfile.write((char *) &ti, sizeof(Ticket));
    tfile.close();
    cout << endl << "Ticket booked. Your PNR no. is: " << ti.getPNR();
    getch();
}

void check_pnr()
{
    int pnr;
    clrscr();
    cout << "PNR: ";
    cin >> pnr;
    Ticket ti;
    ifstream file (TICKETFILE, ios::in|ios::binary);
    if (!file)
	return;
    while (!file.eof()) {
	file.read((char *) &ti, sizeof(Ticket));
	if (file.eof()) {
	  break;
	}
	if (ti.getPNR() == pnr) {
	    ti.show();
	}
    }
    file.close();
    getch();
}

void admin_dashboard();

void login()
{
    char * password;
    cout << "Enter the administrator password: ";
    gets(password);
    if (strcmp(password, "nimda") == 0) {
	cout << "Login Succesful!";
	admin_dashboard();
	return;
    } else {
	cout << "Wrong Password!";
	getch();
    }
}

/* ADMIN MENU FUNCTIONS */

void create_train()
{
    Train t;
    t.create();
    ofstream file (TRAINFILE, ios::binary|ios::app);
    file.write((char *) &t, sizeof(Train));
    file.close();
    cout << "\nCREATED TRAIN!";
    cout << "\n\n";
    t.show();
    getch();
}

void show_trains()
{
    ifstream file (TRAINFILE, ios::binary|ios::in);
    Train t;
    while (file) {
	file.read((char *) &t, sizeof(Train));
	if (file.eof())
	     break;
	cout << endl << endl;
	t.show();
	cout << endl;
	getch();
    }
    file.close();
}

void show_tickets()
{
    ifstream file (TICKETFILE, ios::binary|ios::in);
    Ticket t;
    while (file) {
	file.read((char *) &t, sizeof(Ticket));
	if (file.eof())
	     break;
	cout << endl << endl;
	t.show();
	cout << endl;
	getch();
    }
    file.close();
}

void admin_dashboard()
{
    while (1) {
    clrscr();
    int opt;
    cout << "ADMIN DASHBOARD\n";
    cout << "---------------\n\n";
    cout << "1. Add Train" << endl;
    cout << "2. Show Trains" << endl;
    cout << "3. Show Tickets" << endl;
    cout << "4. Logout" << endl;
    cout << endl << "Enter Option: ";
    cin >> opt;
    cout << endl;
    switch (opt) {
    case 1:
	create_train();
	break;
    case 2:
	show_trains();
	break;
    case 3:
	show_tickets();
	break;
    case 4:
	return;
    default:
	cout << "\nUNKNOWN OPTION";
    }
    }
}

void main_menu()
{
    int opt;
    clrscr();
    cout << "*=*=*=*= RAILWAY TICKET RESERVATION =*=*=*=*\n\n";
    cout << "1. Search for trains" << endl;
    cout << "2. Book a ticket" << endl;
    cout << "3. Check PNR status" << endl;
    cout << "4. Staff Login" << endl;
    cout << "5. Exit" << endl;
    cout << endl << "Enter Option: ";
    cin >> opt;
    switch (opt) {
    case 1:
	search_train();
	break;
    case 2:
	book_ticket();
	break;
    case 3:
	check_pnr();
	break;
    case 4:
	login();
        break;
    case 5:
        exit(0);
    default:
        cout << "\nUNKNOWN OPTION\n";
        getch();
    }
}

void main() {
    while (1) {
        main_menu();
    }
}