Reference no: EM133641585

Grocery Store Checkout

You MUST submit your work to Canvas by the due date. Late assignments are NOT accepted after the due date. You may turn in your assignment as early as you would like.

Write, run, and test a C++ program to simulate the operation of a grocery store checkout system. Your program should first build a data structure to contain information on all the products available in the store. Then the program should print the cash register receipt for each customer. You need to use the books code for any data structures that you will use. In this assignment you must use the books code for an unsorted list.

Input
The input for this program has two sources: the inventory information is input from a text file, and the customer transactions are input from the keyboard.

The information about each product carried by the store is listed on a single line in the inventory file "Invent.dat", in the following format:
<product number> <description> <price> <tax> where <product number> is a five-digit positive (nonzero) integer,
<description> is a string of at most 12 characters with no embedded blanks, <price> is a real number, and <tax> is a character ('T' if the product is taxable; 'N' if it is not taxable). The data in the inventory file is ordered from smallest to largest product number.
The customer transactions are input from the keyboard, in the following format:
<product number> <times>

where <product number> is as described above, and <times> is an integer in the range 1 to 100, indicating the quantity of this product desired. A zero input for <product number> indicates the end of the customer's order. (The store will soon be using a scanner to input the product number, but for now it is typed in by the cashier.)

Output
The program outputs should be written to a text file called "Receipts.out".

The inventory information is echo printed to the output file. (Echo means that the same output is printed on the console and printed to the output file)

The cash register receipt for each customer is written to the output file. The receipts should be nicely formatted, with the product description (not the product number), number of items, item price, and total price for each product printed on a single line. At the end of each customer's order, the subtotal for all items, amount of tax on taxable items, and total bill should be printed, clearly labeled. (The tax rate is 7.5% for taxable items.)

Processing
The program first reads in all of the inventory information from file "Invent.in", echo printing the information to the output file. The program then prompts the cashier to begin inputting the order for the first customer. This customer's order is processed, and the receipt is printed to the output file.

After each customer's order is processed, the program should ask the cashier if another customer is to be processed. If the answer is 'Y', the program sets up to process the next customer; if the answer is 'N', the program terminates with a friendly message.

Error Checking
The following input errors are possible and should be handled by an exception class:
Duplicate <product number> in inventory file. Write an error message to the output file and skip the second entry.

<Product number> not in inventory file. Write an error message on the receipt, ignore that product number, and continue with the next item.
<Times> not in the specified range. Write an error message to the output file, ignore that line, and continue with the next item.

Data Structures

The inventory information can be stored in an array or linked list of product records. Assume that the maximum number of distinct products is 50, for purposes of writing this program. You should specify this data structure as an ADT, as described in the book; define and implement a set of operations to encapsulate it. The ADT should be tested using a test driver.

Do not use anything that would require you to include the libraries algorithm.h or vector.h or similar. If you have any questions about this, let me know before submitting the assignment.

Remember that your code must be appropriately commented. You must use inline comments and block comments. (Your class member function comment blocks should be above your function declarations in your header file.)

Attachment:- Grocery Store Checkout.rar