Login of an existing user

Actors

Guest

Scenario

1. The user clicks on the "LOGIN" button
2. A login form is displayed
3. The user fills out the form and clicks SIGN IN

4. The server validates the form data and checks the Users table

   SELECT *
   FROM users
   WHERE username = $username OR email = $username
   LIMIT 1;;
   

5. The user gets a success message and is redirected to the home page