Closed C++ Hotel Management/Room Reservation

#include<iostream.h>

#include<conio.h>
#include<fstream.h>
#include<stdio.h>
#include<dos.h>

class hotel
{
int room_no;
char name[30];
char address[50];
char phone[10];

public:
void main_menu(); //to dispay the main menu
void add();         //to book a room
void display();         //to display the customer record
void rooms(); //to display alloted rooms
void edit();         //to edit the customer record
int check(int); //to check room status
void modify(int);         //to modify the record
void delete_rec(int); //to delete the record
};

void hotel::main_menu()
{
int choice;
while(choice!=5)
{
clrscr();
cout<<“ntttt*************”;
cout<<“ntttt* MAIN MENU *”;
cout<<“ntttt*************”;
cout<<“nnnttt1.Book A Room”;
cout<<“nttt2.Customer Record”;
cout<<“nttt3.Rooms Allotted”;
cout<<“nttt4.Edit Record”;
cout<<“nttt5.Exit”;
cout<<“nntttEnter Your Choice: “;
cin>>choice;

switch(choice)
{
case 1: add();
break;
case 2: display();
break;
case 3: rooms();
break;
case 4: edit();
break;
case 5: break;
default:
{
cout<<“nntttWrong choice…..!!!”;
cout<<“ntttPress any key to continue….!!”;
getch();
}
}
}
}

void hotel::add()
{
clrscr();
int r,flag;
ofstream fout(“Record.dat”,ios::app);

cout<<“n Enter Customer Detalis”;
cout<<“n ———————-“;
cout<<“nn Room no: “;
cin>>r;
flag=check(r);

if(flag)
cout<<“n Sorry..!!!Room is already booked”;

else
{
room_no=r;
cout<<” Name: “;
gets(name);
cout<<” Address: “;
gets(address);
cout<<” Phone No: “;
gets(phone);
fout.write((char*)this,sizeof(hotel));
cout<<“n Room is booked…!!!”;
}

cout<<“n Press any key to continue…..!!”;
getch();
fout.close();
}

void hotel::display()
{
clrscr();
ifstream fin(“Record.dat”,ios::in);
int r,flag;
cout<<“n Enter room no: “;
cin>>r;

while(!fin.eof())
{
fin.read((char*)this,sizeof(hotel));
if(room_no==r)
{
clrscr();
cout<<“n Cusromer Details”;
cout<<“n —————-“;
cout<<“nn Room no: “<<room_no;
cout<<“n Name: “<<name;
cout<<“n Address: “<<address;
cout<<“n Phone no: “<<phone;
flag=1;
break;
}
}

if(flag==0)
cout<<“n Sorry Room no. not found or vacant….!!”;

cout<<“nn Press any key to continue….!!”;
getch();
fin.close();

}

void hotel::rooms()
{
clrscr();
ifstream fin(“Record.dat”,ios::in);
cout<<“nttt    List Of Rooms Allotted”;
cout<<“nttt    ———————-“;
cout<<“nn Room No.tNamettAddressttttPhone No.n”;

while(!fin.eof())
{
fin.read((char*)this,sizeof(hotel));
cout<<“nn “<<room_no<<“tt”<<name;
cout<<“tt”<<address<<“tt”<<phone;
}
cout<<“nnntttPress any key to continue…..!!”;
getch();
fin.close();
}

void hotel::edit()
{
clrscr();
int choice,r;

cout<<“n EDIT MENU”;
cout<<“n ———“;
cout<<“nn 1.Modify Customer Record”;
cout<<“n 2.Delete Customer Record”;

cout<<“n Enter your choice: “;
cin>>choice;
clrscr();
cout<<“n Enter room no: ” ;
cin>>r;

switch(choice)
{
case 1: modify(r);
break;
case 2: delete_rec(r);
break;
default: cout<<“n Wrong Choice…..!!”;
}
cout<<“n Press any key to continue….!!!”;
getch();
}

int hotel::check(int r)
{
int flag=0;
ifstream fin(“Record.dat”,ios::in);
while(!fin.eof())
{
fin.read((char*)this,sizeof(hotel));
if(room_no==r)
{
flag=1;
break;
}
}

fin.close();
return(flag);
}

void hotel::modify(int r)
{
long pos,flag=0;
fstream file(“Record.dat”,ios::in|ios::out|ios::binary);
while(!file.eof())
{
pos=file.tellg();
file.read((char*)this,sizeof(hotel));
if(room_no==r)
{
cout<<“n Enter New Details”;
cout<<“n —————–“;
cout<<“n Name: “;
gets(name);
cout<<” Address: “;
gets(address);
cout<<” Phone no: “;
gets(phone);

file.seekg(pos);
file.write((char*)this,sizeof(hotel));
cout<<“n Record is modified….!!”;
flag=1;
break;
}
}

if(flag==0)
cout<<“n Sorry Room no. not found or vacant…!!”;
file.close();
}

void hotel::delete_rec(int r)
{
int flag=0;
char ch;
ifstream fin(“Record.dat”,ios::in);
ofstream fout(“temp.dat”,ios::out);
while(!fin.eof())
{
fin.read((char*)this,sizeof(hotel));
if(room_no==r)
{
cout<<“n Name: “<<name;
cout<<“n Address: “<<address;
cout<<“n Pone No: “<<phone;
cout<<“nn Do you want to delete this record(y/n): “;
cin>>ch;

if(ch==’n’)
fout.write((char*)this,sizeof(hotel));
flag=1;
}
else
fout.write((char*)this,sizeof(hotel));
}

fin.close();
fout.close();
if(flag==0)
cout<<“n Sorry room no. not found or vacant…!!”;
else
{
remove(“Record.dat”);
rename(“temp.dat”,”Record.dat”);
}
}

void main()
{
hotel h;
textmode(C80);
textbackground(WHITE);
textcolor(RED);

clrscr();
cout<<“nttt****************************”;
cout<<“nttt* HOTEL MANAGEMENT PROJECT *”;
cout<<“nttt****************************”;
sleep(2);

cout<<“nnnnttMade By:”;
sleep(1);
cout<<“tYamato Kurusaki”;
sleep(1);
cout<<“nnttSubmitted To:”;
sleep(1);
cout<<“tMae”;
sleep(1);
cout<<“nnnnnnntttttPress any key to continue….!!”;
getch();
h.main_menu();
}