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eko54r
2026-05-14 11:55:22 +07:00
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walkthroughs/2026-04-14_88427013_Walkthrough__Logout_Functionality.md Normal file
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# Walkthrough - Logout Functionality
I have implemented the logout functionality in the Employee Portal.
## Changes Made
### Authentication State
- Added a `logout()` function in [auth_state.dart](file:///home/itc43/Documents/HOKBEN_PROJECT/ESS%20PROJECT/Employee%20Portal%20Design/flutter-code/lib/auth_state.dart) to reset all global session variables:
- `isLoggedIn` set to `false`
- `loggedInNik`, `loggedInName`, `loggedInImage`, `loggedInPosition` set to `null`
### Layout
- Implemented a confirmation dialog in [root_layout.dart](file:///home/itc43/Documents/HOKBEN_PROJECT/ESS%20PROJECT/Employee%20Portal%20Design/flutter-code/lib/layout/root_layout.dart).
- Connected the logout button (using `LucideIcons.logOut`) to trigger the dialog.
- Clicking "OK" in the dialog will:
1. Call the `logout()` function.
2. Pop the dialog.
3. Navigate the user back to the `/login` page.
### Router
- Enhanced the `redirect` logic in [main.dart](file:///home/itc43/Documents/HOKBEN_PROJECT/ESS%20PROJECT/Employee%20Portal%20Design/flutter-code/lib/main.dart) to enforce authentication:
- If a user is not logged in (`isLoggedIn == false`), they are strictly redirected to `/login` for any protected route.
- If a user is logged in, they are redirected away from `/login` to the dashboard.
- This prevents users from using the browser's "back" button to return to the dashboard after logging out.
## Verification Results
### Code Quality
- Verified that all necessary imports are present (`go_router.dart`, `auth_state.dart`).
- Fixed class structure issues in `root_layout.dart`.
### Logic Verification
- The logout flow correctly handles session clearing before navigation.
- The use of `context.go('/login')` ensures that the user is redirected to the login page and cannot easily navigate back to protected routes (as the `redirect` logic in `main.dart` will catch them if `isLoggedIn` is false).
> [!NOTE]
> Since I cannot run the application in a live browser for this task, I have verified the implementation through code analysis.