Sequence Diagrams

Make a Comment

Actor: User

Preconditions:

• There is a Memory Post to be commented.

Actions:

• Clicks the comment section on a memory post.
• Writes some text on the comment section.
• Clicks post comment button.

Sequence Diagram:

Delete a Comment

Actor: User

Preconditions:

• There is a Memory Post with a comment.
• The user owns the Memory Post or the Comment. Otherwise the user must be an Admin.

Actions:

• Clicks on the edit comment button next to the related Comment on a Memory Post.
• Selects delete comment.

Sequence Diagram:

Create a Memory Post

Actor: User

Preconditions:

• The user is not banned.

Actions:

• Clicks on Create New Memory Post button.
• Gives the desired parameters such as Title, Story, Time, Location, Media.

Sequence Diagram:

Edit a Memory Post

Actor: User

Preconditions:

• The user owns the Memory Post.

Actions:

• Clicks the Edit Post button on the Memory Post.
• Changes or deletes the desired fields.
• Clicks Save Changes button.

Sequence Diagram:

Search

Actor: User or Guest

Preconditions:

• The user is on the system.

Actions:

• Clicks the Search section on the Home Page.
• Writes some keywords, tags or usernames on the search section.
• Clicks the search button.

Sequence Diagram:

Annotate

Actor: User

Preconditions:

• There is a Memory Post to be Annotated.

Actions:

• Clicks the Annotate button on a memory post.
• Selects the desired point or area.
• Writes the text for annotation.
• Clicks the Done button.

Sequence Diagram:

Like a Memory Post

Actor: User

Preconditions:

• There is a Memory Post to be liked.

Actions:

• Clicks the Like button on a memory post.

Sequence Diagram:

Ban a User

Actor: Admin

Preconditions:

• The user is assigned as an Admin.

Actions:

• Clicks on the User to be banned.
• Selects Actions button and selects Ban this User.

Sequence Diagram:

Sign In

Actor: Visitor

Preconditions:

• The visitor is on the System.
• The visitor has an account that is registered in the database.

Actions:

• Clicks the Sign In button.
• Fills the E-mail and Password sections.
• Clicks Sign In again.

Sequence Diagram:

Sign Up

Actor: Visitor

Preconditions:

• The visitor is on the System.

Actions:

• Clicks the Sign Up button.
• Fills the needed Username , E-mail and Password sections.
• Clicks Create Account.

Sequence Diagram:

Recommendation

Actor: User

Preconditions:

• The user is logged in the System.

Actions:

• Visits the Home Page.

Sequence Diagram: