Application POS

I made this project when I was in semester 3. I created an application POS for cashier.This app can record fabric sales in stores. User can use this app for adding products and sell history. There two users in this application, there is Operator and Supervisor. Operator for controlling operation of sell in the cashier. Supervisor for adding product and respond alert from the Operator.

1. Use Case Diagram

So the Operator actor can add items to add items that they want to sell. Then there is a function to call the supervisor which is useful for fixing things that have errors in the current transaction. To checkout so that the transaction can be processed further. The function performs a total sales report to find out how much the operator achieved sales and to replace the next operator. The Supervisor actor can hold the function to call the supervisor because in that function the supervisor id and password are required. For the part to carry out the total sales report, a supervisor id and password are also required in order to continue the function. To update the stock so that the supervisor can add or reduce the existing stock of items.

2. ERD Application

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