C++ Reservation Management System

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string>
#include<iostream>
#include<time.h>
#include<iomanip>
#include<fstream>
using namespace std;
char f[10]="f";
char s[10]="s";
int addr, ad ,flag,d,m,i,amt;
float tamt;
class login
{
public:
char id[100];
char pass[100];
char *password;
void getid()
{
cout<<"Enter your id:";gets(id);
password=getpass"Enter the password:";
strcpy(pass,password);
}
void displayid()
{
cout<<"Id:"puts(id);
cout<<"Password"puts(pass);
}
};
class detail
{
public:
int tno;
char tname[100];
char bp[100];
char test[100];
int c1,c1fare;
int c2,c2fare;
int d,m,y;
void getdetail()
{
cout<<"Enter the details as follow\n";
cout<<"Train no:"; cin>>tno;
cout<<"Train name:";gets(tname);
cout<<"Boarding point:";gets(bp);
cout<<"destination point";gets(dest);
cout<<"No of seats in buisness class and fare per ticket:";
cin>>c1>>c1fare;
cout<<"No of seats in economy class and fare per ticket:";
cin>>c2>>c2fare;
cout<<"Date of travel:";
cin>>d>>m>>y;
}
void displaydetail()
{
cout<<tno<<" \t "<<tname<<" \t "<<bp<<" \t "<<dest<<" \t ";
cout<<c1<<" \t "<<c1fare<<" \t "<<c2<<" \t "<<c2fare<<" \t ";
cout<<d<<"-"<<m<<"-"<<y<<" \t "<<endl;
}
};
class reser
{
     public:
     int pnr;
     int tno;
     char tname[100];
     char bp[10];
     char dest[100];
 char pname[10][100];
 int age[20];
 char clas[10];
     int nosr;
     int i;
 int d,m,y;
 int con;
 float amc;
 void getresdet()
 {
  cout<<"Enter the details as follows\n";
cout<<"Train no:";cin>>tno;
cout<<"Train name:";gets(tname);
cout<<"Boarding point:";gets(bp);
cout<<"Destination pt:";gets(dest);
cout<<"No of seats required:";cin>>nosr;
for(i=0; i<nosr; i++)
{
cout<<"Passenger name:";gets(pname[i]);
cout<<"Passenger age:";cin>>age[i];
            }
         
              cout<<"Enter the class f-first class s-second class:";
 gets(clas);
 cout<<"Date of travel:";cin>>d>>m>>y;
 cout< <"Enter the concession category\n";
 cout<<"1.Military\n2.Senior citizen\n";
 cout<<"3.Children below 5 yrs\n4.None\n";
 cin>>con;
 cout< <"............END OF GETTING DETAILS............\n";
           }
          void displayresdet()
          {
  cout<<"...............................................\n";
  cout<<"...............................................\n";
  cout<<"Pnr no:"<<pnr;
  cout<<"\nTrain no:"<<tno;
  cout<<"\nTrain name:";puts(tname);
  cout<<"Boarding point:";puts(bp);
  cout<<"Destination pt:";puts(dest);
  cout<<"No of seats reserved:"<<nosr;
  for(i=o; i<nosr; i++)
  {
  cout<<"Passenger name:";puts(pname[i]);
cout<<"Passenger age:"<<age[i]];
           }
           cout<<"\nYour class:";puts(clas);
  cout<<"\nDate of reservation:"<<d<<"-"<<m<<"-"<<y;
  cout<<"\nYour concession category:"<<con;
  cout<<"\nYou must pay:"<<amc<<endl;
  cout<<"***********************************************\n";
  cout<<".........END OF RESERVATION.................\n";
  cout<<"***********************************************\n";
  }
};
class canc
{
public:
int pnr;
int tno;
char tname[100];
char bp[10];
char dest[100];
char pname[10][100];
int age[20];
int i;
char clas[10];
int nosc;
int d,m,y;
float amr;
void getcancdet()
{
cout<<"Enter the details as follows\n";
cout<<"Pnr no:";cin>>pnr;
cout< <"Date of cancellation:";cin>>d>>m>>y;
cout< <"...........END OF GETTING DETAILS...........\n";
}
           void dsplay cancdet()
           {
            cout<<"...........................................\n";
cout<<"...........................................\n";
cout<<"Pnr no:"<<pnr;
cout<<"\nTrain no:"<<tno;
cout<<"\nTrain name:";puts(tname);
cout<<"Boarding point:";puts(bp);
cout<<"Destination pt:";puts(dest);
cout<<"\nYour class:";puts(clas);
cout<<"no of seats to be cancelled:"<<nosc;
for(i=o;i<nosc; i++)
{
cout<<"Passenger name:";puts(pname[i]);
cout<<"passenger age:"<<age[i];
}
            cout<<"\nDate of cancellation:"<<d<<"-"<<m<<"-"<<y;
            cout<<"\nYou can collect:"<<amr<<"rs";
            cout<<"*****************************************\n";
   cout<<".........END OF CANCELLATION.............\n";
   cout<<"*****************************************\n";
  }
};
void manage();
void can();
void user();
void database();
void res();
void reserve();
void displaypassdetail();
void cancell();
void enquiry();
void main()
{
clrscr();
int ch;
cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
cout<<".......WELCOME TO RAILWAY RESERVATION SYSTEM..........\n";
cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
do
{
cout<<"^^^^^^^^^^^^^^^^^^^^^^MAIN MENU^^^^^^^^^^^^^^^^^^^^\n";
cout<<"1.Admin mode\n2.User mode\n3.Exit\n";
cout<<"Enter your choice:";
cin>>ch;
cout<<endl;
switch(ch)
{
case 1:
database();
break;
case 2:
user();
break;
case 3:
exit(0);
}
}
while(ch<=3);
getch();
}
void database()
{
char *password;
char *pass="12345678";
password=getpass("Enter the admininistrator password:");
detail a;
fstream f;
int ch;
char c;
if(strcmp(pass,password)!=0)
    {
    cout<<"Enter the password correctly \n";
cout<<"You are not permitted to logon this mode\n";
goto h;
}
   if(strcmp(pass,password)==0)
    {
    char c;
do
{
cout<<"...........ADMINISTRATOR MENU...........\n";
cout<<"1.Create detail data base\n2.Add details\n";
cout<<"3.Display details\n4.User management\n";
cout<<"5.Display passenger details\n6.Return to main menu\n";
cout<<"Enter your choice:";
cin>>ch;  
cout<<endl;
switch(ch)
{
case 1:
f.open("t.txt",ios::out|ios::binary);
                do
{
a.getdetail();
f.write((char *) & a,sizeof(a));
cout<<"Do you want to add one more record?\n";
cout<<"y-for Yes\nn-for No\n";
cin>>c;
}
while(c=='y');
f.close();
break;
case 2:
f.open("t.txt",ios::in|ios::out|ios::binary|ios::app);
a.getdetail();
f.write((char *) & a,sizeof(a)); f.close();
break;
case 3:
f.open("t.txt",ios::in|ios::out|ios::binary|ios::app);
f.seekg(0);
while(f.read((char *) & a,sizeof(a)))
{
a.displaydetail();
}
f.close();
break;
case 4:
manage();
break;
case 5:
displaypassdetail();
break;
}
}
while(ch< =5);
f.close();
}
h:
}
void reserve()
{
int ch;
do
{
cout<<"1.Reserve\n2.Return to the main menu\n";
cout<<"Enter your choice:";
cin>>ch;
cout<<endl;
switch(ch)
{
case 1:
res();
break;
}
}
while(ch==1);
getch();
}
void res()
{
detail a;
reser b;
fstream f1,f2;
time_t t;
f1.open("t.txt",ios::in|ios::out|ios::binary);
f2.open("p.txt",ios::in|ios::out|ios::binary|ios::app);
int ch;
    b.getresdet();
while(f1.read((char *) &a,sizeof(a)))
    {
    if(a.tno=b.tno)
    {
    if(strcmp(b.clas,f)==0)
             {
              if(a.c1>=b.nosr)
              {
              amt=a.c1fare;
addr=f1.tellg();
ad=sizeof(a.c1);
f1.seekp(addr-(7*ad));
a.c1=a.c1-b.nosr;
f1.write((char *) & a.c1,sizeof(a.c1));
if(b.con==1)
{
cout< <"Concession category:MILITARY PERSONNEL\n";
b.amc=b.nosr*((amt*50)/100);
}
                    else if(b.con==2)
                    {
                    cout<<"Concession category:SENIOR CITIZEN\n";
b.amc=b.nosr*((amt*60)/100);
}
else if(b.con==3)
{
cout<<"Concession category:CHILDERN BELOW FIVE\n";
b.amc=0.0;
}
else if(b.con==4)
{
cout<<"You cannot get any concession\n";
b.amc=b.nosr*amt;
}
srand((unsigned) time(&t));
b.pnr=rand();
f2.write((char *) & b,sizeof(b));
b.displayresdet();
cout<<"------------------------------------------------------\n";
cout<<"--------------Your ticket is reserved-----------\n";
cout<<"-----------------End of reservation menu-------\n";
}
else
{
cout<<"**********Sorry req seats not available********\n";
}
 }
 else if(strcmp(b.clas,s)==0)
             {
              if(a.c2>=b.nosr)
              {
              amt=a.c2fare;
addr=f1.tellg();
ad=sizeof(a.c2);
f1.seekp(addr-(5*ad));
a.c2=a.c2-b.nosr;
f1.write((char *) & a.c2,sizeof(a.c2));
if(b.con==1)
{
cout< <"Concession category:MILITARY PRESONNEL\n";
b.amc=b.nosr*((amt*50)/100);
}
else if(b.con==2)
{
cout<<"Concession category:SENIOR CITIZEN\n";
b.amc=b.nosr*((amt*60)/100);
}
else if(b.con==3)
{
cout<<"Concession category:CHILDERN BELOW FIVE\n";
b.amc=0.0;
}
else if(b.con==4)
{
cout<<"You cannot get any concession\n";
b.amc=b.nosr*amt;
}
f2.write((char *) & b,sizeof(b));
b.displayresdet();
cout<<"---------------------------------------\n";
cout<<"--------Your ticket is reserved--------\n";
cout<<"------------End of reservation---------\n";
}
else
{
cout<<"********Sorry req no of seats not available*******\n";
}
             }
         getch();
goto h;
}
else
{
flag=0;
}
}

if(flag==0)
{
cout<<"............Wrong train no......................\n";
cout<<"......Enter the train no from the data base.....\n";
}
f1.close();
f2.close();
getch();
h:
}
void displaypassdetail()
{
fstream f;
reser b;
f.open("p.txt",ios::in|ios::out|ios::binary);
f.seekg(0);
while(f.read((char *) & b,sizeof(b)))
{
b.displayresdet();
}
f.close();
getch();
}
void enquiry()
{
fstream f;
f.open("t.txt",ios::in|ios::out|ios::binary);
detail a;
while(f.read((char *) & a,sizeof(a)))
{
a.displaydetail();
}
getch();
}
void cancell()
{
detail a;
reser b;
canc c;
fstream f1,f2,f3;
f1.open("t.txt",ios::in|ios::out|ios::binary);
f2.open("p.txt",ios::in|ios::out|ios::binary);
f3.open("cn.txt",ios::in|ios::out|ios::binary);
cout<<"**********CANCELLATION MENU*********\n";
c.getcancdet();
while(f2.read((char *) & b,sizeof(b)))
    {
    if(b.pnr==c.pnr)
    {
    c.tno=b.tno;
strcpy(c.tname,b.tname);
strcpy(c.bp,b.bp);
strcpy(c.dest,b.dest);
c.nosc=b.nosr;
for(int j=0;j<c.nosc; j++)
{
strcpy(c.pname[j],b.pname[j]);
c.age[j]=b.age[j];
}
strcpy(c.clas,b.clas);
if(strcmp(c.clas,f)==0)
{
while(f1.read((char *) & a,sizeof(a)))
                {
                if(a.tno==c.tno)
                {
                a.c1=a.c1+c.nosc;
d=a.d;
m=a.m;
addr=f1.tellg();
ad=sizeof(a.c1);
f1.seekp(addr-(7*ad));
f1.write((char *) & a.c1,sizeof(a.c1));
tamt=b.amc;
if((c.d==d)&&(c.m==m))
{
cout<<"You are cancelling at the date of departure\n";
c.amr=tamt-((tamt*60)/100);
}
else if(c.m==m)
{
cout<<"You are cancelling at the month of departure\n";
c.amr=tamt-((tamt*50)/100);
}
else if(m>c.m)
{
cout< <"You are cancelling one month before the date of departure\n";
c.amr=tamt-((tamt*20)/100);
}
else
{
cout<<"Cancelling after the departure\n";
cout<<"Your request cannot be completed\n";
}
goto h;
c.displaycancdet();
}
}
   }
   else if(strcmp(c.clas,s)==0)
   {
    while(f1.read((char *) & a,sizeof(a)))
    {
    if(a.tno=c.tno)
    {
    a.c2=a.c2+c.nosc;
d=a.d;
m=a.m;
addr=f1.tellg();
ad=sizeof(a.c2);
f1.seekp(addr-(5*ad));
f1.write((char *) & a.c2,sizeof(a.c2));
tamt=b.amc;
if((c.d==d)&&(c.m==m))
{
cout<<"You are cancelling at the date of departure\n";
c.amr=tamt-((tamt*60)/100);
}
else if(c.m==m)
{
cout<<"You are cancelling at the month of departure\n";
c.amr=tamt-((tamt*50)/100);
}
else if(m>c.m)
{
cout< <"You are cancelling one month before the date of departure\n";
c.amr=tamt-((tamt*20)/100);
}
else
{
cout<<"Cancelling after the departure\n";
cout<<"Your request cannot be completed\n";
}
goto h;
c.displaycancdet();
}
}
}
}
else
{
flag=0;
}
}
h:
if(flag=0)
{
cout<<"Enter the correct pnr no\n";
}
f1.close();
f2.close();
f3.close();
getch();
}
void can()
{
int ch;
do
{
cout<<".................CANCELLATION MENU.........\n";
cout<<"1.Cancell\n2.Return to the main menu\n";
cout<<"Enter your choice:";
cin>>ch;
cout<<endl;
switch(ch)
{
case 1:
cancell();
break;
}
    }
while(ch==1);
getch();
}
void user()
{
login a;
int ch;
cout<<"*****************************************************\n";
cout<<"***********WELCOME TO THE USER MENU**\n";
cout<<"****************************************************\n";
char *password;
fstream f;
f.open("id.txt",ios::in|ios::out|ios::binary);
char id[100];
puts("Enter your id:");gets(id);
password=getpass("Enter your password:");
while(f.read((char *) & a,sizeof(a)))
      {
      if((strcmp(a.id,id)==0)&&(strcmp(a.pass,password)==0))
          {
          do
          {
          cout<<"1.Reserve\n2.Cancell\n3.Enquiry\n4.Return to the main menu\n";
 cout<<"Enter your choice:";
 cin>>ch;
 cout<<endl;
 switch(ch)
 {
  case 1:
 reserve();
 break;
 case 2:
 cancell();
 break;
 case 3:
 enquiry();
 break;
  }
 }
 while(ch<=3)
 goto j;
 }
 else
 {
  d=1;
 }
 }
 if(d==1)
 {
  cout<<"Enter your user id and password correctly\n";
 }
 getch();
 j:
}
void manage()
{
int ch;
fstream f;
char c;
login a;
cout<<".........WELCOME TO THE USER MANAGEMENT MENU........\n";
do
{
cout<<"1.Create id data base\n2.Add details\n";
cout<<"3.Display details\n4.Return to the main menu\n";
cout<<"Enter your choice:";
cin>>ch;
cout<<endl;
switch(ch)
{
case 1:
f.open("id.txt",ios::out|ios::binary);
do
{
a.getid();
f.write((char *) & a,sizeof(a));
cout<<"Do you want to add one more record\n";
cout<<"y-Yes\nn-No\n";
cin>>c;
}
while(c=='y');
f.close();
break;
case 2:
f.open("id.txt",ios::in|ios::out|ios::binary|ios::app);
a.getid();
f.write((char *) & a,sizeof(a));
f.close();
break;
case 3:
f.open("id.txt",ios::in|ios::out|ios::binary);
f.seekg(0);
while(f.read((char *) & a,sizeof(a)))
{
a.displayid()
}
f.close();
break;
}
    }
while(ch<=3);
getch();
}