7.7 Ch 7 Program: Online shopping cart (continued) (C)

This program extends the earlier \"Online shopping cart\" program.(Consider first saving your earlier program).

(1) Extend the ItemToPurchase struct to contain a new datamember. (2 pt)

• char itemDescription[ ] - set to \"none\" in MakeItemBlank()

Implement the following related functions for the ItemToPurchasestruct.

• PrintItemDescription()
  • Has an ItemToPurchase parameter.

Ex. of PrintItemDescription() output:

Bottled Water: Deer Park, 12 oz.

(2) Create three new files:

• ShoppingCart.h - struct definition and related functiondeclarations
• ShoppingCart.c - related function definitions
• main.c - main() function (Note: main()'s functionality differsfrom the warm up)

Build the ShoppingCart struct with the following data membersand related functions. Note: Some can be function stubs (emptyfunctions) initially, to be completed in later steps.

• Data members (3 pts)
  • char customerName [ ]
  • char currentDate [ ]
  • ItemToPurchase cartItems [ ] - has a maximum of 10 slots (canhold up to 10 items of any quantity)
  • int cartSize - the number of filled slots in array (number ofitems in cart of any quantity)
• Related functions
  • AddItem()
    • Adds an item to cartItems array. Has parameters ItemToPurchaseand ShoppingCart. Returns ShoppingCart object.
  • RemoveItem()
    • Removes item from cartItems array (does not just set quantityto 0; removed item will not take up a slot in array). Has a char[](an item's name) and a ShoppingCart parameter. ReturnsShoppingCart object.
    • If item name cannot be found, output this message: Item notfound in cart. Nothing removed.
  • ModifyItem()
    • Modifies an item's description, price, and/or quantity. Hasparameters ItemToPurchase and ShoppingCart. Returns ShoppingCartobject.
  • GetNumItemsInCart() (2 pts)
    • Returns quantity of all items in cart. Has a ShoppingCartparameter.
  • GetCostOfCart() (2 pts)
    • Determines and returns the total cost of items in cart. Has aShoppingCart parameter.
  • PrintTotal()
    • Outputs total of objects in cart. Has a ShoppingCartparameter.
    • If cart is empty, output this message: SHOPPING CART ISEMPTY
  • PrintDescriptions()
    • Outputs each item's description. Has a ShoppingCartparameter.

Ex. of PrintTotal() output:

John Doe's Shopping Cart - February 1, 2016Number of Items: 8Nike Romaleos 2 @ $189 = $378Chocolate Chips 5 @ $3 = $15Powerbeats 2 Headphones 1 @ $128 = $128Total: $521

Ex. of PrintDescriptions() output:

John Doe's Shopping Cart - February 1, 2016Item DescriptionsNike Romaleos: Volt color, Weightlifting shoesChocolate Chips: Semi-sweetPowerbeats Headphones: Bluetooth headphones

(3) In main(), prompt the user for a customer's name and today'sdate. Output the name and date. Create an object of typeShoppingCart. (1 pt)

Ex.

Enter Customer's Name:John DoeEnter Today's Date:February 1, 2016Customer Name: John DoeToday's Date: February 1, 2016

(4) Implement the PrintMenu() function. PrintMenu() has aShoppingCart parameter, and outputs a menu of options to manipulatethe shopping cart. Each option is represented by a singlecharacter. Build and output the menu within the function.

If the an invalid character is entered, continue to prompt for avalid choice. Hint: Implement Quit before implementing otheroptions. Call PrintMenu() in the main() function. Continue toexecute the menu until the user enters q to Quit. (3 pts)

Ex:

MENUa - Add item to cartr - Remove item from cartc - Change item quantityi - Output items' descriptionso - Output shopping cartq - QuitChoose an option:

(5) Implement the \"Output shopping cart\" menu option. (3 pts)

Ex:

OUTPUT SHOPPING CARTJohn Doe's Shopping Cart - February 1, 2016Number of Items: 8Nike Romaleos 2 @ $189 = $378Chocolate Chips 5 @ $3 = $15Powerbeats Headphones 1 @ $128 = $128Total: $521

(6) Implement the \"Output item's description\" menu option. (2pts)

Ex.

OUTPUT ITEMS' DESCRIPTIONSJohn Doe's Shopping Cart - February 1, 2016Item DescriptionsNike Romaleos: Volt color, Weightlifting shoesChocolate Chips: Semi-sweetPowerbeats Headphones: Bluetooth headphones

(7) Implement \"Add item to cart\" menu option. (3 pts)

Ex:

ADD ITEM TO CARTEnter the item name:Nike RomaleosEnter the item description:Volt color, Weightlifting shoesEnter the item price:189Enter the item quantity:2

(8) Implement the \"Remove item from cart\" menu option. (4pts)

Ex:

REMOVE ITEM FROM CARTEnter name of item to remove:Chocolate Chips

(9) Implement \"Change item quantity\" menu option. Hint: Makenew ItemToPurchase object before using ModifyItem() function.(5 pts)

Ex:

CHANGE ITEM QUANTITYEnter the item name:Nike RomaleosEnter the new quantity:3