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#include<process.h>
#include<stdio.h>
#include<iostream.h>
#include<dos.h>
#include<conio.h>
#include<string.h>
#include<iomanip.h>
#include<fstream.h>
#include<math.h>
struct DATE
{
int date;
int month;
int year;
};
struct room
{
int no;
char status;
};
long Subdate(DATE A,DATE B);
class guest
{
int roomno;
char name[20];
char nation[10];
char phno[10];
DATE start,end;
float cost;
public:
guest()
{
roomno=0;
strcpy(name,"NULL");
strcpy(nation,"NULL");
strcpy(phno,"-");
cost=500.00;
}
long retrno(){ return roomno;}
void book();
void checkout();
void Bill(long a)
{
cost*=a;
}
void Display()
{
cout<<"\n\n"<<setw(10)<<roomno<<setw(10)<<name<<setw(10)<<nation<<setw(2)<<start.date<<'.'<<setw(2)<<start.month<<'.'<<setw(4)<<start.year;
}
};
void guest::book()
{
room R;
fstream f("Room.dat",ios::binary|ios::in|ios::out);
if(!f)
cout<<"\n Room File Error";
else
{
int count=0;
cout<<"\nEnter name: ";
gets(name);
cout<<"\nEnter nationality: ";
gets(nation);
cout<<"\nEnter phone no.: ";
gets(phno);
cout<<"\nEnter date of check-in ";
cin>>start.date>>start.month>>start.year;
while(f.read((char*)&R,sizeof(R)))
{
if(R.status=='V')
{
count++;
roomno=R.no;
cout<<"\n\n New Guest "<<name<<"'s Room Number Is "<<roomno;
f.seekg(-1*sizeof(room),ios::cur);
R.status='O';
f.write((char*)&R,sizeof(R));
break;
}
}
f.close();
if(count==1)
{
cout<<"\n\n ENJOY YOUR STAY AT OUR HOTEL";
ofstream fout("Guest.dat",ios::binary|ios::app);
fout.write((char*)this,sizeof(guest));
}
else
cout<<"\n\n SORRY! NO ROOMS AVAILABLE";
}
}
void guest::checkout()
{
room R;
fstream f("Room.dat",ios::binary|ios::in|ios::out);
if(!f)
cout<<"\nRoom File Error";
else
{
while(f.read((char*)&R,sizeof(R)))
{
if(roomno==R.no)
{
f.seekg(-1*sizeof(room),ios::cur);
R.status='V';
f.write((char*)&R,sizeof(R));
cout<<"\nEnter date of checkout";
cin>>end.date>>end.month>>end.year;
long no=Subdate(end,start);
Bill(no);
break;
}
}
char n[10];
cout<<"\n\nYou have to pay Rs."<<cost;
cout<<"\n\nEnter your bank account number";
cin>>n;
cout<<"\n\n THANK YOU WE HAVE RECIEVED YOUR MONEY";
cout<<"\n\n HOPE YOU ENJOYED YOUR STAY WITH US";
cout<<"\n\n PLEASE COME AGAIN";
ifstream fin("Guest.dat",ios::binary);
ofstream fout("Temp.dat",ios::binary);
guest S;
while(fin.read((char*)&S,sizeof(S)))
if(S.roomno!=roomno)
fout.write((char*)&S,sizeof(S));
fin.close();
fout.close();
remove("Guest.dat");
rename("Temp.dat","Guest.dat");
}
}
long Subdate(DATE A,DATE B)
{
int a=0;
while((B.date!=A.date)||(B.month!=A.month)||(B.year!=A.year))
{
if(B.date==31&&B.month==12)
{
B.year++;
B.date=1;
B.month=1;
a++;
}
else if(((B.month==1)||(B.month==3)||(B.month==5)||(B.month==7)||(B.month==8)||(B.month==10))&&(B.date==31))
{
B.month++;
B.date=1;
a++;
}
else if(((B.month==4)||(B.month==6)||(B.month==9)||(B.month==11))&&(B.date==30))
{
B.month++;
B.date=1;
a++;
}
else if((B.month==2)&&(B.year%4==0)&&(B.date==29))
{
B.month++;
B.date=1;
a++;
}
else if((B.month==2)&&(B.date==28))
{
B.month++;
B.date=1;
a++;
}
else
{
B.date++;
a++;
}
}
return abs(a+1);
}
void main()
{
int ch;
clrscr();
room R[500];
for(int i=0;i<500;i++)
{
R[i].no=i+1;
R[i].status='V';
}
ofstream fout("Room.dat",ios::binary);
for(i=0;i<500;i++)
fout.write((char*)&R[i],sizeof(room));
gotoxy(20,20);
cout<<" HOTEL MANAGEMENT PROJECT ";
gotoxy(30,30);
cout<<" Done by S.Vignesh, Akshay & Arun Alexander ";
gotoxy(10,40);
cout<<" Press any key to continue.....";
getche();
Start:
clrscr();
cout<<"\n\n\t\t\t MENU";
cout<<"\n\n1.Intro";
cout<<"\n\n2.Book";
cout<<"\n\n3.Checkout";
cout<<"\n\n4.Display All Guests";
cout<<"\n\n5.Exit";
cin>>ch;
switch(ch)
{
case 1:clrscr();
cout<<" \n\nThis is a project on hotel management system ";
cout<<" \n\nIn this project, rooms are booked and when checking out";
cout<<" \n\nthis system generates a bill which is calculated on the";
cout<<" \n\nbasis of number of days times the days stayed which is ";
cout<<" \n\ncalculated taking the date of arrival and the date of ";
cout<<" \n\ndeparture. Since this hotel is still under construction";
cout<<" \n\nmany features like restaurant and bar are not there and";
cout<<" \n\nthey are soon to be implemented plus more rooms ";
cout<<" \n\nPress any key to return ";
getche();
goto Start;
case 2:guest G;
G.book();
cout<<"\n Press Any Key To Return To Main Menu";
getche();
goto Start;
case 3:long n;
rnoenter:
cout<<"\n Enter Your Room Number";
cin>>n;
ifstream fin("Guest.dat",ios::binary);
while(fin.read((char*)&G,sizeof(G)))
if(G.retrno()==n)
{
G.checkout();
cout<<"\n Deleted";
}
else
{
cout<<"\n That's a vacant room. Enter correctly";
goto rnoenter;
}
cout<<"\nPress Any Key To Return The Main Menu";
getche();
goto Start;
case 4:guest G1;
cout<<"\n\t\tLIST OF ALL GUESTS";
cout<<'\n';
cout<<setw(10)<<"roomno"<<setw(10)<<"name"<<setw(10)<<"nation"<<setw(12)<<"date booked";
ifstream fin2("Guest.dat",ios::binary);
while(fin2.read((char*)&G1,sizeof(G1)))
G1.Display();
cout<<"\nPress Any Key To Return The Main Menu";
getche();
goto Start;
case 5:cout<<"\n Exiting..........";
delay(5000);
exit(0);
default:goto Start;
}
}
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