Happy Path Task Steps

This section contains the detailed task steps for all of the use-case happy paths.

The Process Orders Happy Path:

Customer calls and orders a guitar and supplies, and pays with a credit card

1.	Customer supplies customer number.
2.	Customer is acknowledged as current.
3.	For each product that the customer desires: 3.1 Product ID or description is requested. 3.2 Description is resolved with its ID if necessary. 3.3 Quantity is requested. 3.4 Item price is calculated.
4.	Extended order total is calculated.
5.	Tax is applied.
6.	Shipping charges are applied.
7.	Extended price is quoted to the customer.
8.	Customer supplies credit card number.
9.	Customer's credit card is validated.
10.	Inventory is reduced.
11.	Sale is finalized.

The Maintain Orders Happy Path:

Customer calls to inquire about an order's status

1.	Customer supplies order number.
2.	Order number is acknowledged as correct.
3.	Order header information is supplied, along with key customer information, for verification.
4.	For each order line that the order contains, the following information is provided: 4.1 Product description 4.2 Quantity ordered 4.3 Product price 4.4 Extended product price 4.5 Estimated shipping date
5.	Extended order total is calculated.
6.	Tax is applied.
7.	Shipping charges are applied.
8.	Extended order total is quoted to the customer.

The Maintain Inventory Happy Path:

Product arrives at the warehouse with a copy of the purchase order attached

1.	Purchase order (PO) is verified for validity.
2.	Accompanying PO is compared with the actual product shipment received.
3.	Shipment items received are acknowledged as matching the PO.
4.	Product's quantity on hand is updated to reflect new inventory amount.
5.	For each order line that is back-ordered that matches the product received: 5.1 Inventory is allocated. 5.2 Inventory is assigned to the order line.

The Shipping Happy Path:

Entire order is shipped from stock on hand to a customer

1.	Order is assigned to a shipping clerk.
2.	Order is assigned to a packaging clerk.
3.	Order is pulled from stock by a packaging clerk.
4.	Order line items are packaged for shipment.
5.	Shipping method and cost are verified by shipping clerk.
6.	Order is shipped.

The Invoicing Happy Path:

Order is invoiced and sent to the customer, indicating that payment was satisfied via credit card billing

1.	Existence of order number is validated.
2.	For each order line with product in stock: 2.1 The product quantity is drawn from inventory. 2.2 An invoice line item is generated.

The Maintain Relationships Happy Path:

Customer calls to change his/her mailing address

1.	Customer number is validated.
2.	Customer's addresses are returned.
3.	Changes to mailing address are accepted by customer service clerk.

The Decision Support Happy Path:

Manager requests a back-order status report

1.	Each order with a line item that is presently back-ordered is printed.