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Session Notes - Page Flow Feature Implementation

Session Objective

Implement role-based page flow for Asteroid Radio application where:

  • Admin users are redirected to /asteroid/admin upon login
  • Regular users (listener, dj) are redirected to /asteroid/profile upon login
  • User registration redirects to /asteroid/profile page
  • Navigation links display conditionally based on authentication status and user role

What Was Accomplished

Core Feature: Role-Based Page Flow ✅

  • Implemented login redirect logic based on user role
  • Admin users → /asteroid/admin dashboard
  • Regular users → /asteroid/profile page
  • Registration flow → /asteroid/profile for new users
  • Session persistence across page navigation

User Management API Endpoints ✅

Converted user management endpoints to use Radiance's define-api standard:

  • /api/asteroid/users - Get all users (admin only)
  • /api/asteroid/user-stats - Get user statistics (admin only)
  • /api/asteroid/users/create - Create new user (admin only)

Profile Page API Endpoints ✅

Added new API endpoints for user profile functionality:

  • /api/asteroid/user/profile - Get current user profile information
  • /api/asteroid/user/listening-stats - Get user listening statistics (placeholder)
  • /api/asteroid/user/recent-tracks - Get recently played tracks (placeholder)
  • /api/asteroid/user/top-artists - Get top artists (placeholder)

Authentication & Authorization Improvements ✅

  • Fixed require-role function to properly handle API requests
  • Added proper JSON error responses for authorization failures
  • Improved password verification with debug logging
  • Added reset-user-password function for admin use

JavaScript API Response Handling ✅

Fixed all JavaScript files to properly handle Radiance's api-output wrapper format:

  • Response structure: {status: 200, message: "Ok.", data: {...}}
  • Updated all fetch calls to extract result.data before processing
  • Added fallback handling: const data = result.data || result

Files Modified

Backend (Common Lisp)

asteroid.lisp

  • Added profile page API endpoints (user/profile, user/listening-stats, user/recent-tracks, user/top-artists)
  • All endpoints use define-api and api-output for proper JSON responses
  • Added require-authentication checks for protected endpoints

auth-routes.lisp

  • Fixed user management API endpoints to properly use api-output
  • Updated /api/asteroid/users endpoint for proper JSON responses
  • Updated /api/asteroid/user-stats endpoint for proper JSON responses
  • Updated /api/asteroid/users/create endpoint for proper JSON responses
  • Added proper error handling with HTTP status codes (400, 404, 500)

user-management.lisp

  • Modified require-role function to return nil for failed API authorization
  • Removed problematic radiance:api-output calls
  • Responsibility for JSON error responses moved to calling endpoints
  • Added debug logging for authentication flow

Frontend (JavaScript)

static/js/users.js

  • Fixed loadUserStats() to handle api-output wrapper
  • Fixed loadUsers() to handle api-output wrapper
  • Fixed createNewUser() to handle api-output wrapper
  • Updated to properly extract result.data before processing

static/js/auth-ui.js

  • Fixed checkAuthStatus() to handle api-output wrapper
  • Session persistence now working correctly across navigation
  • Conditional nav links display properly based on auth status

static/js/profile.js

  • Fixed loadProfileData() to handle api-output wrapper
  • Fixed loadListeningStats() to handle api-output wrapper
  • Fixed loadRecentTracks() to handle api-output wrapper
  • Fixed loadTopArtists() to handle api-output wrapper
  • Added safe handling for empty arrays (no errors when no data)
  • Used optional chaining (?.) for safer DOM queries

Documentation

TODO.org

  • Marked "Page Flow" section as complete [2/2] ✅
  • Updated notes to reflect working implementation

Technical Details

API Response Format

All API endpoints now return responses in this format:

{
  "status": 200,
  "message": "Ok.",
  "data": {
    "status": "success",
    "users": [...]
  }
}

JavaScript must extract the data property before processing.

Authentication Flow

  1. User submits login form
  2. authenticate-user validates credentials
  3. Session field "user-id" is set
  4. User role is checked

  5. Redirect based on role:

    • :admin → /asteroid/admin
    • :listener or :dj → /asteroid/profile

Authorization Pattern 

(define-api asteroid/endpoint () ()
  "API endpoint description"
  (require-role :admin)  ; or (require-authentication)
  (handler-case
      (let ((data (get-some-data)))
        (api-output `(("status" . "success")
                      ("data" . ,data))))
    (error (e)
      (api-output `(("status" . "error")
                    ("message" . ,(format nil "Error: ~a" e)))
                  :status 500))))

Testing Results

Successful Tests

  • ✅ Admin login redirects to /asteroid/admin
  • ✅ Regular user login redirects to /asteroid/profile
  • ✅ User registration redirects to /asteroid/profile
  • ✅ Session persists across page navigation
  • ✅ Nav links display correctly based on role (Profile/Admin/Logout vs Login/Register)
  • ✅ User statistics display correctly (3 users, 1 admin, 0 DJs)
  • ✅ "View All Users" table displays all users
  • ✅ "Create New User" functionality working
  • ✅ Profile page loads without errors
  • ✅ All API endpoints return proper JSON responses

Test User Created

  • Username: testuser
  • Email: test@asteroid123
  • Role: listener
  • Status: Active

Git Commits

Three clean commits on feature/user-page-flow branch:

  1. c6ac876 - feat: Implement role-based page flow and user management APIs
  2. 0b5bde8 - fix: Complete UI fixes for page flow feature
  3. 10bd8b4 - docs: Mark Page Flow feature as complete in TODO

Known Limitations

Profile Page Data

  • Listening statistics return placeholder data (all zeros)
  • Recent tracks return empty array
  • Top artists return empty array
  • These are ready for future implementation when listening history tracking is added

Future Enhancements

  • Implement actual listening history tracking
  • Add user profile editing functionality
  • Add user avatar/photo support
  • Implement password reset via email

Notes for Integration

For Fade (PostgreSQL Migration)

  • User management API endpoints are now standardized with define-api
  • All endpoints use api-output for consistent JSON responses
  • Session handling is working correctly
  • Ready for database migration - just need to update find-user-by-id, get-all-users, etc.

For easilokkx (UI Work)

  • All JavaScript files now properly handle api-output wrapper format
  • Pattern: const data = result.data || result;
  • Profile page has placeholder API endpoints ready for real data
  • Auth UI system working correctly for conditional display

Branch Status

  • Branch: feature/user-page-flow
  • Status: Complete and tested
  • Ready for: Pull Request to upstream/main
  • Conflicts: None expected (isolated feature work)