20467513-CaseStudy-Online-Shopping-Cart.docx

Online Shopping Portal

Software Design Case Study

A Case Study By

Akash Mohan Vaishali Vasing Navakanth Kanapala Kamlesh

MBA - Software Solutions and Management Symbiosis Centre for Information Technology Pune

Online Shopping Portal| A case study

Table of Contents

1. 2. 3. 4. 5. 6. 7.

8. 9. 10. 11. 12. 13.

Case Statement ....................................................................................................................... 2 Scenario................................................................................................................................... 2 Assumptions............................................................................................................................ 2 Actors ...................................................................................................................................... 2 Functionality ........................................................................................................................... 2 Enhancements......................................................................................................................... 3 Data Flow diagrams................................................................................................................. 4 7.1 Context Level Diagram ................................................................................................... 4 7.2 Level 1 Diagrams ............................................................................................................ 5 Entity Relationship Diagram.................................................................................................... 7 Use Case Diagram ................................................................................................................... 9 Class Diagram........................................................................................................................10 Activity Diagram....................................................................................................................11 Sequence Diagram ................................................................................................................12 State Transition diagram for Cart Object..............................................................................20

1|Page


1. Case Statement In this case, we will be designing a simple online shopping portal .The site will provide a soothing shopping experience for customers. The system will allow more than one categories and different brands under the segment. The case will trace the following sequence.

2. Scenario A customer visits the online shopping portal. A customer may buy item or just visit the page and logout. The customer can select a segment, then a category, and brand to get the different products in the desired brand.

The customer can select the product for purchasing. The process can be repeated for more items. Once the customer finishes selecting the product/s the cart can be viewed , If the customer wants to edit the final cart it can be done here.

For final payment the customer has to login the portal, if the customer is visiting for the 1st time he must register with the site, else the customer must use the login page to proceed.

Final cart is submitted for payment and card details and address(where shipment has to be made) are be confirmed by the customer .Customer is confirmed with a shipment Id and delivery of goods within 15 days.

3. Assumptions The currency followed is Rs as the site provides for only Indian customer base. There are different segments, categories, brands where a brand can fall under more than one category. The shipment of the goods is not covered under the scope of the case Complains by the customers are not handled by the case study. Customers have to be validated before the payment can be confirmed.

4. Actors Customer Administrator.

5. Functionality 1. Portal Allows the customer to view the different categories and further to different products within the brands eg. Allows the customer to shop online saying time and cost of customer. 2|Page


The portal provides a bill and an shipmentId which can be used to track the delivery status of the goods purchased by the customer . Category:. 2. Customer

Customers when enter the site and view the various products in different category. Authentication of the customer is done for the payment of the shopping d on e Customer can browses through the products available in the shop, can select some of them and put into the shopping cart. Customer can anytime change the items in the cart either by adding new items or by removing existing items. Customer proceeds towards the payment counter. Finalize product list of items he finally wish to buy and make the final payment.

3. Administrator

Updates the details of the different category ,segments etc Verifies the customer card details and records the details for shipment of goods.

6. Enhancements

The portal can be extended for a larger customer base beyond the Indian customers. The complaints of the customer are not handled

3|Page


7. Data Flow diagrams

7.1 Context Level Diagram

Fig. 1 Context Level diagram

4|Page


7.2 Level 1 Diagrams

Fig. 2 Add Item to cart

Fig. 3 Add Product/Brand/Item

5|Page


Fig. 4 Register

Fig. 5 Login

Fig. 6 Payment Details

6|Page


8. Entity Relationship Diagram

Fig. 7 ER Diagram

7|Page


Fig. 8 Database Design

8|Page


9. Use Case Diagram

Fig. 9 Use Case Diagram

9|Page


10. Class Diagram

Fig. 10 Class Diagram

10 | P a g e


11. Activity Diagram

Fig. 11 Activity Diagram

11 | P a g e


12. Sequence Diagram

Fig. 12 Sequence Diagram: Add to cart

12 | P a g e


Fig. 13 Sequence Diagram: Submit a cart

13 | P a g e


Fig. 14 Sequence Diagram: Register a user

14 | P a g e


Fig. 15 Sequence Diagram: Login a customer

15 | P a g e


Fig. 16 Sequence Diagram: Add a new segment

16 | P a g e


Fig. 17 Sequence Diagram: Add a new category

17 | P a g e


Fig. 18 Sequence Diagram: Add a new brand

18 | P a g e


Fig. 19 Sequence Diagram: Add a new product

19 | P a g e


13. State Transition diagram for Cart Object

Fig. 20 State Transition diagram for Cart Object

20 | P a g e

20467513-CaseStudy-Online-Shopping-Cart.docx

Documents

Transcript of 20467513-CaseStudy-Online-Shopping-Cart.docx