Question

Use case diagram for Mail Order System

Requirements(draw by use case diagram)

This software system is developed to support mail order business operations. In particular software shall:

- Keep track of sales (including orders, payments, and shipments). For each order a record shall be kept identifying the customer, the ZIP code, the salesperson, item ordered, the quantity, and amount due.

- Record shall be kept for each customer who made a purchase in the past year. Such record shall include the name, address, and the credit card number.

- For each payment the record should be kept identifying the customer, the credit card number, the amount, and the confirmation number.

- The shipping costs depend on the region and are calculated as a handling fee (dependent on the item but not the region) plus the shipping fee (function of ZIP code and weight)

• Support payments by credit card only.
• Support the full range of customer operations including sales, inquiries (price, availability, shipment, order status, etc).
• Support back-order - purchase of item that is not discontinued but currently not available (in the warehouse) for shipment.
• Support order cancellation. Order cancelled after packing but before the shipment involves restocking fee of x% of the price. Order shipped can be returned but the customer will be charged restocking fee of y% of the price plus z% of the shipping cost to the customer (x, y, and z can be set by the user). Customer is responsible for the shipment back to the company. There is no charge for canceling the order that has not been packed yet. The order that has been packed but not shipped is subject to the restocking fee but no shipping cost is charged to the customer.
• Support regions as sets of ZIP codes of adjacent locations

- Keep track of shipment cost, volume of sales per region per day

- Support assignment of sales people to regions.

- Support automatic reassignment of sales people to regions depending on the "traffic" (invent some rules).

- Keep track of sales for each sales person.

- Keep track of the inventory, including location in the warehouse. Support all warehouse operations.

- Support inventory management (add/remove item from the inventory).

• Support automatic reorder of items triggered by the stock falling below a set threshold. Threshold is set individually for each inventory item.
• Support shipping operations.

- Support price management including discounting of items based on their longevity in the warehouse, for a specific period, for customers in specific set of regions, for specific product(s), or specific product category.

Answer 1