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Use case Diagram of e-Commerce system 
E-commerce system 
Customer 
Verify credenty information 
Register 
Login 
Browse product 
Search product 
ciew shopping cart 
Add shopping cart 
Update customer 
info 
verify credit card Check out 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
Check out 
«include» «extends» 
* * 
Sale person 
* 
Shipping clerk 
Update product info 
update inventory 
Ship produccts 
* 
* 
* 
* 
* 
* 
* 
Use case description: 
Register: 
If a customer is new user, he can request to register page. A register page open and asks total 
information about customer and also asks to customer to choose login (email address) and password. 
Login: 
The customer can login by enter name and password. The system verifies the name and password 
matches. If not matches, error messages shows to the customer.
Use case Diagram of e-Commerce system 
Browse products: 
The customer requests to view the product in product category. The system will display the 
information about product of selected category. 
Search product: 
The customers enter the search product parameters and request a search product. The system 
search through products category in database and gives information. If not matches, gives fail message. 
View shopping cart: 
The customer request to view the shopping cart. The system returns the shopping cart to customer, 
the price and total price shows to customer. 
Add shopping cart: 
When customer finds the product he wants, add to shopping carts. The systems stores and track 
the information about product. 
Update customer info: 
The customer request to update customer info about his name, address…. Etc. If updated 
information system stores in database which is updated. After purchase one product the payment 
information stores in current information. 
Check out: 
The customer completes the shopping he request to checkout. If the payment information exists the 
credit card information sends to Credit Verification Company. If credit card information not matches it 
shows enter valid information or cancel order. If the credit card is valid, the order form will be processed 
by the system and checkout is complete. 
Verify credit card: 
The credit verification company is validating the credit card information. If the information correct 
returns to sales person. If not, the customer will be asked to re-input his payment information. 
Update product info: 
The sales clerk request to update product info includes price, brand…etc. and system updates in 
database. 
Update inventory: 
The sales clerk request to update inventory. The system update’s in database.
Use case Diagram of e-Commerce system 
Ship product: 
After getting the order request, sales clerk ships order product to customer within 5 to 6 business 
days.

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E commerce use case documentation.

  • 1. Use case Diagram of e-Commerce system E-commerce system Customer Verify credenty information Register Login Browse product Search product ciew shopping cart Add shopping cart Update customer info verify credit card Check out * * * * * * * * * * * * * * * * Check out «include» «extends» * * Sale person * Shipping clerk Update product info update inventory Ship produccts * * * * * * * Use case description: Register: If a customer is new user, he can request to register page. A register page open and asks total information about customer and also asks to customer to choose login (email address) and password. Login: The customer can login by enter name and password. The system verifies the name and password matches. If not matches, error messages shows to the customer.
  • 2. Use case Diagram of e-Commerce system Browse products: The customer requests to view the product in product category. The system will display the information about product of selected category. Search product: The customers enter the search product parameters and request a search product. The system search through products category in database and gives information. If not matches, gives fail message. View shopping cart: The customer request to view the shopping cart. The system returns the shopping cart to customer, the price and total price shows to customer. Add shopping cart: When customer finds the product he wants, add to shopping carts. The systems stores and track the information about product. Update customer info: The customer request to update customer info about his name, address…. Etc. If updated information system stores in database which is updated. After purchase one product the payment information stores in current information. Check out: The customer completes the shopping he request to checkout. If the payment information exists the credit card information sends to Credit Verification Company. If credit card information not matches it shows enter valid information or cancel order. If the credit card is valid, the order form will be processed by the system and checkout is complete. Verify credit card: The credit verification company is validating the credit card information. If the information correct returns to sales person. If not, the customer will be asked to re-input his payment information. Update product info: The sales clerk request to update product info includes price, brand…etc. and system updates in database. Update inventory: The sales clerk request to update inventory. The system update’s in database.
  • 3. Use case Diagram of e-Commerce system Ship product: After getting the order request, sales clerk ships order product to customer within 5 to 6 business days.