Sequence Diagrams

1. View a User's Profile

Actor: Guest, Registered User, or Admin

Preconditions: None

Actions:

• Clicks on a profile to see the user's profile page.

2. View Posts on Homepage

Actor: Registered User or Admin

Preconditions:

• User is registered to the application
• Their login credentials are saved.
• They follow some people, places, or tags

Actions:

• Opens app/website to see their homepage

3. Report a Post

Actor: Registered User

Preconditions:

• User is registered to the application

Actions:

• Report a post that a registered user thinks is inappropriate

4. Sign up

Actor: Guest

Preconditions:

• Since this is a user, he/she is not logged in.

Actions:

• Writes down a username, password, email, and his/her name surname.

5. Sign in

Actor: Registered User or Admin

Preconditions:

• Registered User/Admin is not logged in.

Actions:

• Enter username or email, and password. Then, sign in.

6. Comment

Actor: Registered User or Admin

Preconditions:

• User is registered to the application.
• Their login credentials are saved.
• They are on the page of a post.

Actions:

• User comments on a post.

7. Follow A User

Actor: Registered User

Preconditions:

• The user is signed in and is checking the profile of another user.

Actions:

• Clicks the follow button.

8. Search a User

Actor: Guest, Registered User, or Admin

Preconditions:

• The user is on the search page for users.

Actions:

• Writes a user name and search for users with that name.

9. Search Posts Containing a Location

Actor: Guest, Registered User, or Admin

Preconditions:

• The user is on explore page for locations.

Actions:

• Writes a location name and search for posts with that location.

10. Create Post

Actor: Registered User or Admin

Preconditions:

• User is registered to the application.

Actions:

• Clicks to create post button