Online shopping case

Case - Online Shopping

The telephone agent uses an order registry and customer catalog to obtain access to an order & a customer respectively.  The order registry uses an order number as a qualifier to select particular order instance. A customer catalog uses customer name and phone number as a qualifier to select particular customer.  The attributes of an order are the order numbers and time when it is placed. The order consists of many items. An item has item_number, a quantity, unit price. It also has reference to catalog item which represents listing.  When an order is cancelled or committed, it cancels or commits each of its items first.  When an order’s total price method is invoked, the order calls the total price method of each of items and returns the sum.


Activity Diagram

Use Case Diagram

Use Case Specification

Brief Description – This describe how customer going to shop online.

Actors -  Customer, Telephone officer

Precondition – System should be up and available, Items should be present onliine

Basic flow

•        Customer visit the website online

•        Customer search for the item and selects

•        Customer confirms on the selected item

•        Item price, quantity and unit will get displayed.

•        After confirmation total sum will displayed.

•        Payment Process selection ( by Cash on delivery, debit or by Credit card).

•        Order ID and Time will get generated.

•        Quits

Alternate flow

1. Customer cancels the selected item

•        Resume from the search option

2. Customer cancels at the transaction page

·                           Will get on the selected item page

3. When the system is down

•        Error message will get displayed “Sorry for the inconvenience. Please visit after some time”

Conclusion
This is an very popular and efficient way to shop nowadays. With increasing popularity, ease of availability, great discount on the product, etc, more and more people are using this for shopping. While there is segment of customers who believe in touch and feel of the product. Online shopping have also benefited to small retailer who do not afford to setup shop. Overall its a win-win situation for both customer and retailer to use this platform.

Point of Sale Terminal Management System

Case - Point of Sale Terminal Management System

Construct a design element for Point of sale terminal management system that can be used for buying and selling of goods in the retail shop.

When the customer arrives at the post check point with the items to purchase. The cashier records each item, price and adds the item information to the running sales transaction. The description and price of the current item are displayed. On completion of the item entry the cashier informs the sales total and tax to the customer. The customer chooses payment type (cash, cheque, credit or debit).After the payment is made the system generates a receipt and automatically updates the inventory. The cashier handovers the receipt to the customer.


Activity Diagram

Use Case Diagram

Use Case Specification

Brief Description – This describe how customer going to POS terminal for purchase of item.

Actors -  Cashier, Customer, Inventory person

Precondition – System should be up and available

Basic flow

•         Customer visit the shop

•         Customer select the items for purchase and go for checkout

•         Cashier scan and record each item.

•         Cashier generates total and compute tax

•         Customer pays the amount by Cash, cheque, debit or by Credit card.

•         Cashier generates receipt and give to the customer.

•         Quits

Alternate flow

1. Cutomer do not have Money for purchase

•         Discard the transaction

2.Inventory Updation

•         After Payment process system will automatically update the inventory

•         If inventory is less then system automatically indicate to place for an order

3.Whwn the POS system is down

•         Then Cashier need to manually record the item and the payment has to be done by cash.

Conclusion

POS is an effective tool to automate the payment checkout processes faster and efficiently which provides great customer experience. It is used in almost every Retail shop, Restaurant, Supermarket, Hospital, etc,. With the advent of new technologies this system will definitely undergo many changes which will change the way of today's current process and will make it more easier.