Online
PDA
Use Cases:
Use Case: Create Account
- User
accesses online PDA main page.
- User
selects option to create account or unsubscribe.
- User
enters account information (name, username, password, e-mail address)
- New
account is created or existing account is removed.
Alternative: Create Account Failure
At step 4, account is not created because existing account
has same username.
Allow user to re-enter information and retry.
Use Case: Unsubscribe
- User
accesses online PDA main page.
- User
selects option to create account or unsubscribe.
- User
enters account information (name, username, password, e-mail address)
- New
account is created or existing account is removed.
Alternative: Unsubscribe Failure
At step 4, account is not removed because information
supplied by user does not correspond to an existing account.
Allow user to re-enter information and retry.
Use Case: Login
- User
accesses online PDA main page.
- User
selects option to login.
- User
enters account information.
- System
verifies user.
Alternative: Login Failure
At step 4, user is not verified because information supplied
does not correspond to an existing account.
Allow user to re-enter information and retry.
Use Case: Logout
- Any
time after logging into the system, the user selects option to logout.
- User
is notified that the session has ended.
Use Case: Add Entry
- After
logging in, user selects one of the four services.
- System
displays page corresponding to selection.
- User
selects option to add an entry.
- System
displays form for data entry.
- User enters
information.
- User
selections option to save entry.
- Entry
is added to service.
Alternative: Cancel Add Entry
At step 6, user selects option to close entry.
User confirms canceling entry.
System returns user to appropriate service page.
Use Case: View or Edit Entry
- After
logging in, user selects one of the four services.
- System
displays page corresponding to selection.
- User
selects an entry in the service.
- System
displays form with information corresponding to selected entry.
- User
selects option to close entry.
- System
returns user to appropriate service page.
Alternative: Edit Entry
At step 5, user first edits the information contained in the
form.
User selects option to save entry.
System returns user to appropriate service page.
Alternative: Cancel Edit Entry
At step 5, user first edits the information contained in the
form.
User selects option to close entry.
User confirms canceling changes made to the entry.
System returns user to appropriate service page.
Use Case: Delete Entry
- After
logging in, user selects one of the four services.
- System
displays page corresponding to selection.
- User
selects an entry in the service.
- System
displays form with information corresponding to selected entry.
- User
selects option to delete entry.
- User
confirms deletion of entry.
- System
returns user to appropriate service page.