Use case Name

Find Buyer/Seller Account

Primary actor

Urban Service Manager

Secondary actor

Application System

Brief description

This use case allows the urban service manager to search for buyer, seller account record in the application system.

Pre-condition

1. The user is logged into the application system.

2. The application system displays the home page with all services.

Normal flows

1. The urban service manager clicks on “Manage Buyers Information” button

2. The system returns the “List of buyers” page. With a search bar at the top of the list.

3. The urban service manager enters a keyword (code, first name, last name, e-mail, phone number) and clicks on “Search” button

4. In the case, the urban service manager selects “Manage Sellers Information”, then the system returns the similar information as at step 3.

5. The system extracts the keyword and displays the corresponding record that matches the keyword entered by the urban service manager.

Alternate flows

1. The urban service manager enters a keyword (code, first name, last name, e-mail, phone number) that does not match any record.

2. The system displays an error message “No record found”.

3. The urban service manager can either try again or cancel the operation by clicking on “Go Back” button.

4. If the urban service manager clicks on “Erase” icon, the system displays back the “List of users” page.

Post-condition

If the use case was successful, the system displays the record that match the entered keyword. Otherwise, the system displays no record.