nproj

/*
Made By: Abhas Krishna, Mohammed Adil and Kriti Pratap.
*/

#include<fstream.h>
#include<conio.h>
#include<string.h>
#include<stdio.h>
#include<process.h>
#include<ctype.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<<"\n\t\t\t\t*************";
        cout<<"\n\t\t\t\t* MAIN MENU *";
        cout<<"\n\t\t\t\t*************";
        cout<<"\n\n\n\t\t\t1.Book A Room";
        cout<<"\n\t\t\t2.Customer Record";
        cout<<"\n\t\t\t3.Rooms Allotted";
        cout<<"\n\t\t\t4.Edit Record";
        cout<<"\n\t\t\t5.Exit";
        cout<<"\n\n\t\t\tEnter 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<<"\n\n\t\t\tWrong choice.....!!!";
                    cout<<"\n\t\t\tPress 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<<"\n\n 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<<"\n\n 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<<"\n\n Press any key to continue....!!";
    getch();
    fin.close();

}


void hotel::rooms()
{
    clrscr();
    ifstream fin("Record.dat",ios::in);
    cout<<"\n\t\t\t    List Of Rooms Allotted";
    cout<<"\n\t\t\t    ----------------------";
    cout<<"\n\n Room No.\tName\t\tAddress\t\t\t\tPhone No.\n";

    while(!fin.eof())
    {
        fin.read((char*)this,sizeof(hotel));
        cout<<"\n\n "<<room_no<<"\t\t"<<name;
        cout<<"\t\t"<<address<<"\t\t"<<phone;
    }
    cout<<"\n\n\n\t\t\tPress any key to continue.....!!";
    getch();
    fin.close();
}

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

    cout<<"\n EDIT MENU";
    cout<<"\n ---------";
    cout<<"\n\n 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<<"\n\n 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;


    clrscr();
    cout<<"\n\t\t\t****************************";
    cout<<"\n\t\t\t* HOTEL MANAGEMENT PROJECT *";
    cout<<"\n\t\t\t****************************";



    cout<<"\n\n\n\n\t\tMade By:";
    cout<<"\tAbhas Krishna, Mohammed Adil and Kriti Pratap";
    cout<<"\n\n\t\tSubmitted To:";
    cout<<"\tMrs. Seema Chauhan";
    cout<<"\n\n\n\n\n\n\n\t\t\t\t\tPress any key to continue....!!";
    getch();
    h.main_menu();
}