Question

You has been requested to design and develop a food ordering system based on following requirements:

The system shall allow the user to place an order for the food(s), view the food details, modify or delete the details of the food if necessary. Your program should be menu driven, giving the user various choices. You shall design the system by demonstrating the full understanding of object-oriented and use of list/link-list concept.

For every food order, the following information will be stored: Order ID (Auto assigned, unique ID), Food Code, flavor (example: Strawberry, chocolate), weight (Kg), Unit Price, Qty and customer information who order this cake. The customer information consists of customer ID, name, address and contact number. The order ID shall be automatically assigned with a unique ID when new order is added. The system shall display additional information that is amount (unit price * qty) when viewing the order details.

*in C++ language .

Functionalities provided:

Please select an action
[1] Place Order
[2] View Food Details
[3] Modify Food Details
[4] Delete Food
[5] View All Orders
[6] Delete Order
[7] Display Customer Details
[8] Add Food
[9] Exit

Answer 1

Here is the code:

#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
   char name[30], pizza1[]="Chicken Fazita" ,pizza2[]="Chicken Bar BQ" ,pizza3[]="Peri Peri" ,pizza4[]="Creamy Max", roll1[]="Chicken Chatni Roll", roll2[]="Chicken Mayo Roll", roll3[]="Veg Roll With Fries",bur1[]="Zinger Burger",bur2[]="Chicken Burger",bur3[]="Beef Burger";
   char sand1[]="Club Sandwich", sand2[]="Chicken Crispy Sandwich", sand3[]="Extream Veg Sandwich";
   char bir1[]="Chicken Biryani", bir2[]="Prawn Biryani", bir3[]="Beef Biryani",gotostart ;
   int choice=0,pchoice,pchoice1, quantity;// time=40;
   beginning:
   system("CLS");
   cout<<"\t\t\t----------Carl's Jr. Fast Food-----------\n\n";
   cout<<"Please Enter Your Name: ";
   cin.getline(name, 20);
   cout<<"Hello "<<name<<"\n\nWhat would you like to order?\n\n";

   cout<<"\t\t\t\t--------Menu--------\n\n";

   cout<<"1) Pizzas\n";
   cout<<"2) Burgers\n";
   cout<<"3) Sandwich\n";
   cout<<"4) Rolls\n";
   cout<<"5) Biryani\n\n";
   cout<<"\nPlease Enter your Choice: ";
   cin>>choice;

   if(choice==1)
   {
       cout<<"\n1) "<<pizza1<<"\n";
       cout<<"2) "<<pizza2<<"\n";
       cout<<"3) "<<pizza3<<"\n";
       cout<<"4) "<<pizza4<<"\n";
       cout<<"\nPlease Enter which Flavour would you like to have?:";
       cin>>pchoice;
       if(pchoice>=1 && pchoice<=5)
       {
           cout<<"\n1) Small Rs.250\n"<<"2) Regular Rs.500\n"<<"3) Large Rs.900\n";
           cout<<"\nChoose Size Please:";
           cin>>pchoice1;
           if(pchoice1>=1 && pchoice1<=3)
           cout<<"\nPlease Enter Quantity: ";
           cin>>quantity;
           switch(pchoice1)
           {
           case 1: choice = 250*quantity;
           break;

           case 2: choice = 500*quantity;
           break;

           case 3: choice = 900*quantity;
           break;

           }
           system("CLS");
           switch (pchoice1)
           {
           case 1:
           cout<<"\t\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<pizza1;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\n\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 2:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<pizza2;
           cout<<"\nYour Total Bill is "<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 3:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<pizza3;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 4:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<pizza4;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;

           }
           cout<<"Would you like to order anything else? Y / N:";
           cin>>gotostart;
           if(gotostart=='Y' || gotostart=='y')
           {
           goto beginning;
           //return 0;
           }

       }

   }

   else if(choice==2)
   {
       cout<<"\n1 "<<bur1<<" Rs.180"<<"\n";
       cout<<"2 "<<bur2<<" Rs.150"<<"\n";
       cout<<"3 "<<bur3<<" Rs.160"<<"\n";
       //cout<<"4 "<<pizza4<<"\n";
       cout<<"\nPlease Enter which Burger you would like to have?: ";
       cin>>pchoice1;
       if(pchoice1>=1 && pchoice1<=3)
       {
           cout<<"\nPlease Enter Quantity: ";
           cin>>quantity;
           switch(pchoice1)
           {
           case 1: choice = 180*quantity;
           break;

           case 2: choice = 150*quantity;
           break;

           case 3: choice = 160*quantity;
           break;

           }
           system("CLS");
           switch (pchoice1)
           {
           case 1:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bur1;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food \n";
           break;
           case 2:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bur2;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Pizza\n";
           break;
           case 3:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bur3;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;

           }
           cout<<"\nWould you like to order anything else? Y / N:";
           cin>>gotostart;
           if(gotostart=='Y' || gotostart=='y')
           {
           goto beginning;
           //return 0;
           }

}
}
   else if(choice==3)
   {
       cout<<"\n1 "<<sand1<<" Rs.240"<<"\n";
       cout<<"2 "<<sand2<<" Rs.160"<<"\n";
       cout<<"3 "<<sand3<<" Rs.100"<<"\n";
       //cout<<"4 "<<pizza4<<"\n";
       cout<<"\nPlease Enter which Sandwich you would like to have?:";
       cin>>pchoice1;
       if(pchoice1>=1 && pchoice1<=3)
       {
           cout<<"\nPlease Enter Quantity: ";
           cin>>quantity;
           switch(pchoice1)
           {
           case 1: choice = 240*quantity;
           break;

           case 2: choice = 160*quantity;
           break;

           case 3: choice = 100*quantity;
           break;

           }
           system("CLS");
           switch (pchoice1)
           {
           case 1:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<sand1;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 2:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<sand2;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 3:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<sand2;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;

           }
           cout<<"Would you like to order anything else? Y / N:";
           cin>>gotostart;
           if(gotostart=='Y' || gotostart=='y')
           {
           goto beginning;
           //return 0;
           }
           }
           }

   else if(choice==4)
   {
       cout<<"\n1 "<<roll1<<" Rs.150"<<"\n";
       cout<<"2 "<<roll2<<" Rs.100"<<"\n";
       cout<<"3 "<<roll3<<" Rs.120"<<"\n";
       //cout<<"4 "<<pizza4<<"\n";
       cout<<"\nPlease Enter which you would like to have?: ";
       cin>>pchoice1;
       if(pchoice1>=1 && pchoice1<=3)
       {
           cout<<"\nHow Much Rolls Do you want: ";
           cin>>quantity;
           switch(pchoice1)
           {
           case 1: choice = 150*quantity;
           break;

           case 2: choice = 100*quantity;
           break;

           case 3: choice = 120*quantity;
           break;

           }
           system("CLS");
           switch (pchoice1)
           {
           case 1:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<roll1;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 2:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<roll2;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 3:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<roll3;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;

           }

}
}
   else if(choice==5)
   {
       cout<<"\n1 "<<bir1<<" Rs.160"<<"\n";
       cout<<"2 "<<bir2<<" Rs.220"<<"\n";
       cout<<"3 "<<bir3<<" Rs.140"<<"\n";
       //cout<<"4 "<<pizza4<<"\n";
       cout<<"\nPlease Enter which Biryani you would like to have?:";
       cin>>pchoice1;
       if(pchoice1>=1 && pchoice1<=3)
       {
           cout<<"\nPlease Enter Quantity: ";
           cin>>quantity;
           switch(pchoice1)
           {
           case 1: choice = 160*quantity;
           break;

           case 2: choice = 220*quantity;
           break;

           case 3: choice = 140*quantity;
           break;

           }
           system("CLS");
           switch (pchoice1)
           {
           case 1:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bir1;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food \n";
           break;
           case 2:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bir2;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;
           case 3:
           cout<<"\t\t--------Your Order---------\n";
           cout<<""<<quantity<<" "<<bir3;
           cout<<"\nYour Total Bill is"<<choice<<"\nYour Order Will be delivered in 40 Minutes";
           cout<<"\nThank you For Ordering From Carl's Jr. Fast Food\n";
           break;

           }
           cout<<"Would you like to order anything else? Y / N:";
           cin>>gotostart;
           if(gotostart=='Y' || gotostart=='y')
           {
           goto beginning;
           //return 0;
           }
           }
           }

           else
           {
               system("CLS");
               cout<<"Please Select Right Option: \n";
               cout<<"Would You like to Start the program again? Y / N: " ;
               cin>>gotostart;

               if(gotostart=='Y' || gotostart=='y')
               {
               goto beginning;
           //return 0;
           }
           }

getch();
}