Web Based e-Commerce Shopping System Yun Feng Kurt Weiss {yfeng, krweiss}@unlnotes.unl.edu and Mohamed Fayad, PhD [email protected] Table of Contents Abstract ...........................................................................................................................................4 Domain............................................................................................................................................4 Description of the program that is wanted ......................................................................................4 Use cases and User Context............................................................................................................5 Use cases Model..........................................................................................................................5 Use Cases Description.................................................................................................................6 User Context................................................................................................................................8 Interfaces.........................................................................................................................................9 References for further study..........................................................................................................104Abstract Doe’s Electronics was founded in the rural town of Burwell, NE and currently serves the electronics needs of the local community, ranchers and farmers. Customers have been known to travel up to 100 miles to shop at the store. The store has very few employees and handles all operations in house. Computer information systems are currently being used for bookkeeping and inventory. To eliminate the disadvantages (far away store, very few employees to handles all operations) and improve its business, Doe’s Electronics decides to build an e-Commerce shopping system. Domain Figure 1. e-Commerce System on Internet. There are four actors for the proposed system: customer, sales person, shipping clerk, and Credit Verification Company. Figure 1 gives out the relationship among the customer (user/Browser/Application), E-company system and Bank. The Customer interacts directly to the system via the Doe’s Electronics website when connecting to the Internet. The internal part of the e-Commerce system has two roles, the sales person and the shipping clerk. The Sales Person is in charge of updating the product information while the shipping clerk is in charge of product shipments. The Credit Verification Company’s responsibility is to ensure that credit cards used in purchase are valid. Description of the program that is wanted The e-Commerce shopping system that is wanted by Doe’s Electronic should meet the following System Requirements and information Requirements: System Requirements • Allow customers to view products from their home • Allow customers to make purchases and receive products from their home5• Customers are able to make payments from credit card • Product descriptions must be easily maintained and updated by store employees • Fast distribution of product descriptions so that customers have accurate portrayal of what Doe’s Electronics has to offer • Inexpensive distribution of product descriptions • Fast customer ordering system that is as simple as possible Information Requirements • Information needed to created order form • Product selections • Customer information • Billing information (credit card) • Shipping information (if different from customer) Detailed requirements If necessary. Use cases and User Context Use cases diagram6Update Product Infosal es personUpdate InventoryShi p Pr oduct sshipping clerkUpdate Customer InfoLoginAdd to Shopping CartRegi ste rCheck OutPerform Product SearchBrowse ProductsVi ew Shopping CartcustomerVerify Credit CardCredity Verificaton Company<<include>>Enter Shipping & Credit Card Info<<extend>> Figure 2: Use case Diagram of e-Commerce system. Use Cases Description Login The customer can login to the e-Commerce shopping system by enter his user name and password. The system will verify that the login name matches the login password. If they do not match, error message will be indicated to the customer. Add to Shopping Cart When the customer finds the products he wants, he adds them to the shopping carts. The system will store and keep track the information of the products that have been added into shopping cart.7View Shopping Cart The customer can request to view the contents of the shopping cart. The system will return the contents of the shopping cart to the customer; the unit price and total price will be shown as well. Update Customer Info The customer can request to update their customer info. The system will display the current customer info to the customer. The customer updates the customer information and the system will stored the updated customer info. Register If the customer is a new user, he can request to register with the system. The system displays a registration page and asks the customer to choose a login name (email address of the customer) and password. The customer is also required to enter their name and address. Shipping information and credit card information are optional entries at this point. Enter Shipping & Credit Card Info When the customer requests to checkout and he does not have credit card information stored at this point (system can not find his payment information), the system will prompt credit card information page. The customer will be given a choice on whether he wants the item shipped to his stored address or to an alternative address. The input payment information will be save into the order form. Verify Credit Card When the customer checks out, his credit information will be checked for verification. If the response shows that the credit card is invalid, the customer will be asked to re-input his payment information. Update Product Info The sales clerk requests to update products information. This includes the products price, description, brand, title, or number. The system will save the updated product information in the database.8 Update Inventory The dales clerk or shipping clerk requests to update inventory. The system will update the product information in the database. Ship Products After getting