Use-case 0001 - Login

Initiating actor: Guest

Other actors: None

Description: A guest wants to access their personalized profile in the system. If the guest attempts to perform a restricted action, they must log in. The guest logs in by providing a username and password. The system verifies the credentials and if valid, starts an authenticated session.

Scenario:

1. Guest goes to the login page.
2. Guest enters their username and password credentials.
3. System checks the database to verify if the credentials exist and if they are correct:

   SELECT 
       user_id, 
       username, 
       email, 
       first_name, 
       last_name 
   FROM users 
   WHERE username = 'owner_bojan' 
     AND password = '$2a$10$hashed_pw_bojan';
   

4. The user logs in, the system determines their role (Owner, Sitter, or Admin), and redirects them to their dashboard.