Customer-Billing-System
This repository contains the code of customer billing system in which a buyer can buy different things like vegetables and fruits and see the shopping record by entering the name or the phone number from the file and get access to the account details.
This software is completely written in Go language and it contains five functions that will perform different tasks and the main function that will call the functions. All the functions are managed in two parts. The first part is start shopping in which a user will buy a product and the record will be saved in a CSV file. The second part is Check the shopping record in which a user will access the account by simply typing the name or the phone number.
Table of Contents
The headers will be used to reference the location of destination.
The First Part
The first part as I have written above will show the shopping option. This part contains four functions.
listItems()will show all the product names and their prices so that a user can easily choose from them.oneLine()will accept the input with spaces. It means if a user entered the firstname and the lastname. Then the space should not be a barrier and both names with spaces will be accepted. Although this function is not directly used inmain()function but it will perform the task inaddCustomer().addCustomer()will take the details from the customer like his name, address, phone number, product which he wants to buy, and the payment. After entering the details, the item will be given to him and the price will be deducted.writeFile()will write the all the data in a CSV file as a record.
The Second Part
The second part will check the shopping record. It contains only one function.
showData()will take the name or phone number of a user and the data from the CSV will be shown to him if it is present.
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