Purchase System Analysis

Create Purchase Order

This is an activity diagram on creating purchase order and it involves the inventory database and the inventory management. Here a nightly process will run and check all inventory levels. The program will identify any item which has reached it's minimum level and flags it for vendor reorder. The program will create a purchase order and send it to the inventory manager for approval. Once approved, the purchase order is sent to the Vendor and a copy is saved to the database

Online Transaction

Here, the customer will insert product or the item. The website will then extract the product data that was selected and is sent to the database to look up the item. From here, the product is displayed at the website where the customer will select the amount of items to buy. The Website will extract sale data that is, calculate the total of items, quantities etc. After that the item is placed in a shopping cart which will then be displayed at the website.

Order Processing

The