C211009-ADIB

#include<iostream>
#include<stdlib.h>
#include<fstream>
#include<string>
#include<conio.h>
#include<windows.h>
using namespace std;
class Restaurent
{
    int Price,Amount;
    string Name;
public:
    void set_Val(string name,int price,int quantity)
    {
        Name=name;
        Price=price;
        Amount=quantity;

    }

    void showmenu(int i)
    {
        cout<<"\t\t\t#"<<i<<endl;
        cout<<"\t\t\tName: "<<Name<<endl;
        cout<<"\t\t\tPrice: "<<Price<<endl;
        cout<<"\t\t\tAmount: "<<Amount<<endl<<endl;

    }
    void showbill(int j,int Q)
    {
        cout<<endl;
        cout<<"\t\t\tYou have selected #"<<j<<endl;
        cout<<"\t\t\tName: "<<Name<<endl;
        cout<<"\t\t\tQuantity: "<<Q<<endl;
        cout<<"\t\t\tTotal bill: "<<Q*Price<<endl;
        cout<<"\t\t\tThank you!"<<endl;
        system("color 2");
        getch();
    }
};
int main()
{
//...............OWNER PART................
    Restaurent management[50];
    ofstream RestaurentM;
    int items1,price,quantity,i;
    string name;
    cout<<"\n\n\n\t\t\t\t================================================="<<endl;
    cout<<"\t\t\t\t\t|  RESTAURENT MANAGEMENT SYSTEM  |"<<endl;
    cout<<"\t\t\t\t=================================================\n"<<endl;
    cout<<"\t\t\t1. Add new items\n\t\t\t2. skip\n\t\t\t3.Exit\n";
    int choice2;
    cout<<"\t\t\tSelect: ";
    cin>>choice2;
    if(choice2==1)
    {
        cout<<"\t\t\tHow many items:";
        cin>>items1;
//..........TAKING MENU FROM THE OWNER........
        for(i=1; i<=items1; i++)
        {
            cout<<"\t\t\t#"<<i<<endl;
            cout<<"\t\t\tName: ";
            cin>>name;
            cout<<"\t\t\tPrice: ";
            cin>>price;
            cout<<"\t\t\tAmount: ";
            cin>>quantity;
            management[i].set_Val(name,price,quantity);
            RestaurentM.open("Restaurent Management copy.txt",ios::app|ios::out);
            RestaurentM<<"\t\t\t#"<<i<<"\n\t\t\tName : "<<name<<"\n\t\t\tPrice: "<<price<<"\n\t\t\tamount: "<<quantity<<endl;
            RestaurentM.close();
        }
    }
    else if(choice2==2)
        goto wlcmsg;
    else if(choice2==3)
    {
        exit(0);
    }

    system("cls");

//.................CUSTOMER PART..................

wlcmsg:
    system("cls");
    cout<<"\n\n\n\t\t\t\t| WELCOME TO RESTAURENT |"<<endl;
    cout<<"\t\t\t=======================================\n"<<endl;
    cout<<"\t\t\t1.See all items\n\t\t\t2.select"<<endl;
//.....IF CUSTOMER WANT SEE ALL ITEMS......
    int select;
    cout<<"\t\t\tchoose: ";
    cin>>select;
    if(select==1)
    {
        int selected_item,Number_of_Plate;
//......IF THE OWNER SELECT 'SKIP' OPTION, THEN THIS PART WILL BE EXECUTED....
        /*        if(choice1==2)
                {
                  for(i=1; i<=items1; i++)
                    {
                        management[i].showmenu(i);
                    }
                    cout<<endl;
                }
        //....IF THE OWNER WANT TO SHOW MORE ADDED ITEMS,THEN THIS PART WILL BE EXECUTED....
                else if(choice1==1)
                {

            for(i=1; i<=items1+items2; i++)
            {
                management[i].showmenu(i);
            }
            cout<<endl;
                }
        */
        ifstream RestaurentM;
        string line_by_line;
        RestaurentM.open("Restaurent Management copy.txt",ios::in);
        if(RestaurentM.is_open())
        {
            while(getline(RestaurentM,line_by_line))
            {
                cout<<line_by_line<<endl;
            }
            RestaurentM.close();
        }
        else
        {
            cout<<"\t\t\tFile is not found\n";
            Sleep(1000);
            goto wlcmsg;
        }

        RestaurentM.close();
S:
        cout<<"\t\t\tselect items :";
        cin>>selected_item;
        if(selected_item>items1)
        {
            cout<<"\t\t\tInvalid choice!.\nPlease again ";
            goto S;
        }

q:
        cout<<"\t\t\tquantity: ";
        cin>>Number_of_Plate;
        if(Number_of_Plate>quantity)
        {
            cout<<"\t\t\tSorry, we have "<<quantity<<" items available only.Please select not more than quantity"<<quantity<<endl;
            goto q;
        }
        else
        {
            management[selected_item].showbill(selected_item,Number_of_Plate);
        }
    }
}