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spotlightcam/docs/archive/COMPLETED.md
Radosław Gierwiało 93c5680397 docs: update documentation with recent features 
- Add Recording Matching System section (auto-matching algorithm)
- Add Competitor Number (Bib) Support section
- Add Frontend Refactoring section (component extraction, constants)
- Update test count: 223 → 286 tests (73% coverage)
- Update dates to 2025-11-23
2025-11-23 23:05:23 +01:00

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# Completed Tasks - spotlight.cam
**Archive of completed tasks - for reference only**
---
## ✅ Phase 0: Frontend Mockup (COMPLETED)
**Completed:** 2025-11-12
**Status:** Ready for presentation and UX testing
---
## ✅ Phase 1: Backend Foundation (COMPLETED)
**Completed:** 2025-11-12
**Time Spent:** ~14 hours
**Status:** Production-ready backend with 81%+ test coverage
### Step 1: Backend Setup
- [x] Docker backend container (Node.js 20 Alpine)
- [x] Express 4.18.2 server setup
- [x] Folder structure (controllers, routes, middleware, utils, __tests__)
- [x] Health check endpoint `GET /api/health`
- [x] nginx proxy for `/api/*`
- [x] GET `/api/events` endpoint with Prisma
- [x] Unit tests: 7 tests passing
- [x] CORS configuration
### Step 2: PostgreSQL Setup
- [x] PostgreSQL 15 Alpine container
- [x] Prisma ORM 5.8.0 integration
- [x] Database schema with 6 tables:
- users (id, username, email, password_hash, avatar, created_at)
- events (id, name, location, start_date, end_date, description, worldsdc_id)
- chat_rooms (id, event_id, match_id, type, created_at)
- messages (id, room_id, user_id, content, type, created_at)
- matches (id, user1_id, user2_id, event_id, room_id, status, created_at)
- ratings (id, match_id, rater_id, rated_id, score, comment, created_at)
- [x] Relations and indexes
- [x] Migrations (prisma migrate)
- [x] Seed data (3 events, 2 users, chat rooms)
- [x] Volume persistence for database
- [x] **Bug fix:** OpenSSL compatibility for Prisma (added `apk add openssl` to Dockerfile)
### Step 3: Authentication API
- [x] Dependencies: bcryptjs 2.4.3, jsonwebtoken 9.0.2, express-validator 7.3.0
- [x] Password hashing with bcrypt (10 salt rounds)
- [x] JWT token generation (24h expiry)
- [x] Endpoints:
- `POST /api/auth/register` - Create account
- `POST /api/auth/login` - Login with JWT
- `GET /api/users/me` - Get current user (protected)
- [x] Auth middleware for protected routes
- [x] Input validation and sanitization
- [x] Frontend integration (AuthContext + API service layer)
- [x] Unit tests: 30 tests passing, 78.26% coverage
### Step 4: WebSocket Chat (Socket.IO)
- [x] Socket.IO 4.8.1 server installation
- [x] HTTP server integration with Express
- [x] JWT authentication for socket connections
- [x] Event rooms implementation:
- `join_event_room` - Join event chat
- `leave_event_room` - Leave event chat
- `send_event_message` - Send message to event room
- `event_message` - Receive messages
- `active_users` - Active users list
- `user_joined` / `user_left` - Notifications
- [x] Match rooms implementation:
- `join_match_room` - Join private 1:1 chat
- `send_match_message` - Send private message
- `match_message` - Receive private messages
- [x] Message persistence to PostgreSQL
- [x] Active users tracking with Map data structure
- [x] Automatic cleanup on disconnect
- [x] nginx WebSocket proxy for `/socket.io` (7d timeout)
- [x] Frontend integration:
- socket.io-client installation
- Socket service layer (connectSocket, getSocket, disconnectSocket)
- EventChatPage with real-time messaging
- MatchChatPage with real-time private chat
- Connection status indicators
- [x] Unit tests: 12 tests passing, 89.13% coverage for Socket.IO module
- [x] Overall test coverage: 81.19%
### Infrastructure Updates
- [x] docker-compose.yml with 4 services (nginx, frontend, backend, db)
- [x] nginx config for API proxy and WebSocket support
- [x] Backend Dockerfile with OpenSSL for Prisma
- [x] Environment variables (.env) for database and JWT
### Git Commits (Phase 1)
1. `docs: optimize documentation structure for token efficiency`
2. `feat: add backend setup with Express and unit tests`
3. `feat: add PostgreSQL database with Prisma ORM`
4. `feat: add JWT authentication with complete test coverage`
5. `feat: implement real-time chat with Socket.IO`
---
## ✅ Phase 1.5 Continuation: QR Code Check-in System (COMPLETED)
**Completed:** 2025-11-14
**Time Spent:** ~4 hours
**Status:** Production-ready with security fixes
### QR Code Event Check-in Implementation
- [x] Database schema extension:
- EventCheckinToken model (id, event_id unique, token cuid unique, created_at)
- Migration: `20251114125544_add_event_checkin_tokens`
- One token per event (on-demand generation)
- [x] Backend endpoints:
- `GET /api/events/:slug/details` - Get event details with QR code token and participants
- `POST /api/events/checkin/:token` - Check-in to event via QR code scan
- `DELETE /api/events/:slug/leave` - Leave event (remove participation)
- Date validation (startDate - 1 day to endDate + 1 day, disabled in dev mode)
- Participant count updates (increment/decrement)
- [x] Frontend pages:
- EventDetailsPage.jsx - QR code display (qrcode.react), participant list, stats
- EventCheckinPage.jsx - Check-in confirmation screen with event info
- EventChatPage.jsx - Access control (verify participation before showing chat)
- EventsPage.jsx - Check-in requirement notice, dev-only details link
- [x] Security implementation:
- Frontend access control (check participation status)
- Socket.IO handler verification (prevent auto-participation)
- Dev-only QR code access (import.meta.env.DEV)
- Leave Event button with confirmation modal
- [x] UX improvements:
- Real participant counts using `_count.participants`
- Joined events shown first in events list
- Check-in required screen for non-participants
- Dev mode shortcuts for testing
- [x] Security fixes:
- Fixed bypass vulnerability (page refresh granting unauthorized access)
- Removed auto-participation from Socket.IO handler
- Added participant verification before room join
### Git Commits (QR Code Check-in)
1. `feat: add QR code event check-in system`
2. `fix: improve event check-in UX and participant counting`
3. `fix: prevent bypassing event check-in via page refresh`
### Key Features
- Physical presence requirement (QR code must be scanned at venue)
- On-demand token generation (created when admin views /details)
- Development mode bypass for date validation
- Secure token generation (CUID)
- Complete access control (frontend + backend + socket)
- Leave event functionality with confirmation
---
## ✅ Phase 2: Matches & Ratings API (COMPLETED)
**Completed:** 2025-11-14
**Time Spent:** ~10 hours
**Status:** Production-ready with full CRUD operations and real-time updates
### Step 1: Matches API Implementation
- [x] Database schema:
- Added `slug` field to Match model (CUID for security)
- Migration: `20251114183814_add_match_slug`
- Unique constraint on slug
- [x] Backend endpoints:
- `POST /api/matches` - Create match request (with event slug, target user)
- `GET /api/matches` - List matches with filters (eventSlug, status)
- `GET /api/matches/:slug` - Get match details with hasRated flag
- `GET /api/matches/:slug/messages` - Get match message history
- `PUT /api/matches/:slug/accept` - Accept match request
- `DELETE /api/matches/:slug` - Reject/cancel match
- Real-time notifications via Socket.IO (match_request_received, match_accepted, match_cancelled)
- [x] Frontend pages:
- MatchesPage.jsx - List and manage matches with filter tabs (all/pending/active)
- MatchChatPage.jsx - Private 1:1 chat with message history loading
- Updated EventChatPage - UserPlus button creates match requests
- [x] Security:
- CUID slugs prevent ID enumeration
- URLs: `/matches/{slug}/chat` instead of `/matches/{id}/chat`
- Partner-based access control
### Step 2: Ratings API Implementation
- [x] Database schema:
- Rating model with unique constraint (match_id, rater_id, rated_id)
- Fields: score (1-5), comment, would_collaborate_again
- [x] Backend endpoints:
- `POST /api/matches/:slug/ratings` - Create rating
- `GET /api/users/:username/ratings` - Get user ratings (last 50)
- hasRated flag in match response
- Auto-complete match when both users rate
- [x] Frontend integration:
- RatePartnerPage.jsx - Real API integration with validation
- Duplicate rating prevention (redirect if already rated)
- "✓ Rated" badge in MatchChatPage when user has rated
- PublicProfilePage.jsx - Display ratings with stars, comments, and collaboration preferences
- [x] Validation:
- Score 1-5 required
- Comment optional
- One rating per user per match (database constraint)
### Step 3: Public Profile Ratings Display
- [x] PublicProfilePage enhancements:
- Fetch and display user ratings using ratingsAPI.getUserRatings()
- Summary section: average rating with star visualization, total count
- Individual ratings section:
- Rater avatar and name (clickable links to their profiles)
- Star rating (1-5 filled stars)
- Comment text
- "Would collaborate again" indicator with thumbs up icon
- Event context (clickable link) and date
- Loading states and empty states
- [x] Profile navigation:
- MatchesPage: Partner avatar and name link to profile
- MatchChatPage: Header avatar and name link to profile
- Hover effects on all profile links
### Git Commits (Phase 2)
1. `feat: implement Phase 2 - Matches API with real-time notifications`
2. `feat: add match slugs for security and fix message history loading`
3. `feat: implement Ratings API (Phase 2.5)`
4. `feat: prevent duplicate ratings and show rated status in chat`
5. `feat: display user ratings on public profiles and add profile links`
### Key Features
- Secure match URLs with CUID slugs
- Real-time match notifications via Socket.IO
- Message history persistence and loading
- Complete ratings system with duplicate prevention
- Auto-match completion when both users rate
- Public profile ratings display with detailed reviews
- Clickable profile links throughout the app
- Comprehensive validation and error handling
---
## ✅ Phase 2.5: WebRTC P2P File Transfer (COMPLETED)
**Completed:** 2025-11-15
**Time Spent:** ~10 hours
**Status:** Production-ready P2P file transfer with E2E encryption
### Step 1: WebRTC Signaling
- [x] Socket.IO signaling events:
- `webrtc_offer` - Send SDP offer
- `webrtc_answer` - Send SDP answer
- `webrtc_ice_candidate` - Exchange ICE candidates
- [x] Frontend WebRTC setup:
- RTCPeerConnection initialization
- STUN server configuration (Google STUN servers)
- Signaling flow implementation
- [x] Connection state monitoring (disconnected, connecting, connected, failed)
- [x] Backend tests: 7 WebRTC tests passing
### Step 2: WebRTC File Transfer
- [x] RTCDataChannel setup (ordered, reliable)
- [x] File metadata exchange (name, size, type)
- [x] File chunking implementation (16KB chunks)
- [x] Progress monitoring (sender & receiver with percentage)
- [x] Error handling & reconnection logic
- [x] Complete P2P video transfer flow:
- Select video file from device
- Establish P2P connection via WebRTC
- Transfer file via DataChannel
- Save file on receiver side (automatic download)
- [x] Tested with various file sizes (up to 700MB successfully)
- [x] Fallback: Link sharing UI (Google Drive, Dropbox)
- [x] NAT traversal with STUN servers
- [x] E2E encryption (DTLS for DataChannel)
### Git Commits (Phase 2.5)
1. `feat: implement WebRTC P2P file transfer with signaling`
2. `test: add WebRTC backend tests (7 tests passing)`
3. `fix: improve WebRTC connection handling and error recovery`
### Key Features
- True peer-to-peer file transfer (no server storage)
- Automatic chunking for large files (16KB per chunk)
- Real-time progress tracking
- Connection state visualization
- NAT traversal support via STUN
- E2E encryption by default (DTLS)
- Tested up to 700MB video files
- Graceful fallback to link sharing if WebRTC fails
---
## ✅ Phase 3: MVP Finalization (COMPLETED)
**Completed:** 2025-11-20
**Time Spent:** ~20 hours
**Status:** Production-ready MVP with full security hardening
### Security Hardening
- [x] CSRF protection (csurf middleware with cookie-based tokens)
- [x] Rate limiting (express-rate-limit):
- Auth endpoints: 5 attempts per 15 minutes
- Email endpoints: 3 attempts per 15 minutes
- Account lockout after failed attempts
- [x] Input validation & sanitization (express-validator)
- [x] CORS configuration (strict origin checking)
- [x] SQL injection prevention (Prisma ORM with parameterized queries)
- [x] XSS protection (Content Security Policy headers)
- [x] Environment variables security (.env.production with strong secrets)
- [x] Helmet.js security headers
### Testing & Quality
- [x] Backend integration tests (Jest + Supertest)
- [x] WebRTC connection tests (7 backend tests)
- [x] Socket.IO tests (complete coverage)
- [x] Security tests (CSRF, rate limiting, auth)
- [x] Test isolation (unique test data per suite)
- [x] **Final result:** 223/223 tests passing (100%)
- [x] Code coverage: 71.31% (up from ~43%)
### PWA Features
- [x] Web app manifest (vite-plugin-pwa)
- [x] Service worker (Workbox for offline support)
- [x] App icons & splash screens (all sizes for iOS/Android)
- [x] Install prompts (BeforeInstallPrompt event handling)
- [x] iOS support (apple-touch-icon, standalone mode)
- [x] Offline page fallback
### Production Deployment Preparation
- [x] Production Docker images:
- `frontend/Dockerfile.prod` (multi-stage build)
- `backend/Dockerfile.prod` (multi-stage build)
- [x] Docker Compose profiles (dev/prod separation)
- [x] Environment configuration:
- `.env.development` with relaxed security
- `.env.production` with strict security settings
- [x] Operations scripts:
- `scripts/backup-db.sh` - Automated backups with 7-day retention
- `scripts/restore-db.sh` - Safe restore with confirmation
- `scripts/health-check.sh` - Complete service monitoring
- [x] Monitoring documentation (`docs/MONITORING.md`):
- Application health monitoring
- Docker container monitoring
- External monitoring setup (UptimeRobot, Pingdom)
- Log monitoring & rotation
- Alerting configuration
- Incident response procedures
- [x] Production nginx config (`nginx/conf.d.prod/`)
### Git Commits (Phase 3)
1. `feat: add CSRF protection and security hardening`
2. `feat: implement account lockout and rate limiting`
3. `feat: add PWA features (manifest, service worker, iOS support)`
4. `test: fix socket.test.js cleanup and event room parameters`
5. `test: improve test cleanup - selective deletion instead of wiping tables`
6. `test: fix test isolation by using unique test data per suite`
7. `feat: add production operations scripts and monitoring guide`
8. `docs: mark Phase 3 (MVP Finalization) as completed`
### Key Achievements
- **Security:** Production-grade security with CSRF, rate limiting, account lockout
- **Testing:** 100% test pass rate (223/223), 71% code coverage
- **PWA:** Full offline support, installable on iOS/Android
- **DevOps:** Complete deployment infrastructure (Docker, scripts, monitoring)
- **Documentation:** Comprehensive guides for deployment and monitoring
---
## 🐳 1. Setup projektu i infrastruktura
### Docker Compose
- [x] ✅ Utworzenie `docker-compose.yml` z serwisem nginx
- [x] ✅ Konfiguracja kontenera frontend (React/Vite)
- [x] ✅ Konfiguracja sieci między kontenerami
- [x] ✅ nginx proxy config (port 8080, WebSocket support)
### Struktura projektu
- [x] ✅ Inicjalizacja projektu frontend (React + Vite + Tailwind)
- [x] ✅ Utworzenie `.gitignore`
- [x] ✅ Konfiguracja ESLint (frontend)
- [x] ✅ Fix Tailwind CSS v4 compatibility issue (downgraded to v3.4.0)
---
## 🎨 6. Frontend - PWA (React + Vite + Tailwind)
### Setup PWA
- [x] ✅ Konfiguracja Vite
- [x] ✅ Konfiguracja Tailwind CSS v3.4.0
- [x] ✅ Konfiguracja custom color scheme (primary-600, etc.)
### Routing
- [x] ✅ Setup React Router
- [x] ✅ Ochrona tras (require authentication)
- [x] ✅ Redirect logic (logged in → /events, logged out → /login)
### Widoki/Komponenty
- [x] ✅ **Logowanie** (`/login`) - Formularz email + hasło, link do rejestracji
- [x] ✅ **Rejestracja** (`/register`) - Formularz username, email, hasło, walidacja
- [x] ✅ **Wybór eventu** (`/events`) - Lista eventów, informacje (location, dates, participants), przycisk "Join chat"
- [x] ✅ **Czat eventowy** (`/events/:id/chat`) - Lista wiadomości, aktywni użytkownicy (sidebar), matchmaking (UserPlus button), auto-scroll
- [x] ✅ **Czat 1:1** (`/matches/:id/chat`) - Profil partnera (header), czat, **mockup WebRTC transfer** (file select, progress bar, status indicator), link sharing fallback, "End & rate" button
- [x] ✅ **Ocena partnera** (`/matches/:id/rate`) - Gwiazdki 1-5 (interactive), komentarz (textarea), checkbox "Would collaborate again", submit button
- [x] ✅ **Historia współprac** (`/history`) - Lista matchów (cards), partner info, rating stars, date, status badge, "View details" buttons
### Komponenty reużywalne
- [x] ✅ `<Navbar>` - nawigacja (logo, links: Events, History, Logout), responsive, active link styling
- [x] ✅ `<Layout>` - wrapper dla stron (container max-w-7xl, padding, Navbar integration)
### Stylowanie (Tailwind)
- [x] ✅ Konfiguracja motywu kolorystycznego (primary, secondary, gray scale)
- [x] ✅ Responsive design (mobile-first)
- [x] ✅ Hover states, transitions, shadows
- [x] ✅ Form styling (inputs, buttons, focus states)
### State Management
- [x] ✅ Auth state (Context API - current user, mock login/logout)
- [x] ✅ Mock authentication with localStorage persistence
- [x] ✅ Protected routes based on auth state
---
## 🎥 5. WebRTC - Peer-to-Peer Transfer Filmów (MOCKUP)
### Fallback - wymiana linków
- [x] ✅ UI do wklejenia linku do filmu (Google Drive, Dropbox, itp.)
- [x] ✅ Walidacja URL (type="url" in input)
- [x] ✅ Wysłanie linku przez czat (mockup)
### WebRTC UI Mockup
- [x] ✅ File input for video selection (`accept="video/*"`)
- [x] ✅ File validation (video type check)
- [x] ✅ WebRTC connection status indicator (disconnected, connecting, connected, failed)
- [x] ✅ Transfer progress bar (simulated 0-100%)
- [x] ✅ File metadata display (name, size in MB)
- [x] ✅ Cancel transfer button
- [x] ✅ Send video button (P2P)
- [x] ✅ Status messages ("Connected (P2P)", "E2E Encrypted (DTLS/SRTP)")
- [x] ✅ Info box explaining WebRTC functionality
---
## 📚 9. Dokumentacja
- [x] ✅ README.md - instrukcja uruchomienia projektu (Docker commands, ports, mock login)
- [x] ✅ QUICKSTART.md - szybki start (2 minuty, step-by-step)
- [x] ✅ CONTEXT.md - architektura i założenia projektu (full description, user flow, tech stack, dev guidelines)
- [x] ✅ TODO.md - roadmap projektu (11 sections, phase breakdown, next steps)
- [x] ✅ Development Guidelines in CONTEXT.md (English code, Polish communication, Git commit format)
---
## 🎯 Mock Data
### Mock Users
- [x] ✅ john_doe (current user)
- [x] ✅ sarah_swing
- [x] ✅ mike_blues
- [x] ✅ anna_balboa
- [x] ✅ tom_lindy
- [x] ✅ All users have: id, username, email, avatar, rating, matches_count
### Mock Events
- [x] ✅ Warsaw Dance Festival 2025
- [x] ✅ Swing Camp Barcelona 2025
- [x] ✅ Blues Week Herräng 2025
- [x] ✅ All events have: id, name, location, dates, worldsdc_id, participants, description
### Mock Messages
- [x] ✅ Event messages (public chat)
- [x] ✅ Private messages (1:1 chat)
- [x] ✅ All messages have: id, room_id, user_id, username, avatar, content, type, created_at
### Mock Matches
- [x] ✅ Match history with different statuses
- [x] ✅ Partner info, event, date, status
### Mock Ratings
- [x] ✅ Ratings with scores, comments, would_collaborate_again flag
- [x] ✅ Linked to matches and users
---
## 🐛 Bug Fixes
### Tailwind CSS v4 Compatibility Issue
**Problem:**
- Error: "It looks like you're trying to use `tailwindcss` directly as a PostCSS plugin"
- Tailwind v4 has breaking changes with Vite setup
**Solution:**
- Downgraded to Tailwind CSS v3.4.0
- Command: `npm install -D tailwindcss@^3.4.0`
- Rebuilt Docker container without cache
- Verified working at http://localhost:8080
**Date:** 2025-11-12
### Port 80 Already Allocated
**Problem:**
- Docker error: "Bind for 0.0.0.0:80 failed: port is already allocated"
**Solution:**
- Changed nginx port from 80 to 8080 in docker-compose.yml
- Updated all documentation to reference port 8080
- Access: http://localhost:8080
**Date:** 2025-11-12
---
## 🌍 Localization
- [x] ✅ Changed all UI text from Polish to English
- [x] ✅ Updated placeholders in forms
- [x] ✅ Updated button labels
- [x] ✅ Updated page titles and headers
- [x] ✅ Updated error messages and alerts
- [x] ✅ Updated mock data content
- [x] ✅ Changed date formatting locale from 'pl-PL' to 'en-US'
- [x] ✅ Restarted frontend container to apply changes
**Date:** 2025-11-12
---
## 📝 Git Commits
### Commit 1: Initial project setup
```
feat: initial project setup with frontend mockup
- Add Docker Compose with nginx and frontend services
- Initialize React + Vite + Tailwind CSS frontend
- Implement all pages: Login, Register, Events, Event Chat, Match Chat, Rate, History
- Add mock authentication with Context API
- Add mock data for users, events, messages, matches, ratings
- Create WebRTC P2P video transfer UI mockup
- Add project documentation (README, QUICKSTART, CONTEXT, TODO)
```
**Date:** 2025-11-12
### Commit 2: Update TODO.md
```
docs: update TODO.md with completed tasks and next steps
- Mark Phase 0 (Frontend Mockup) as completed
- Add current project status section (25% complete)
- Add detailed next steps for Phase 1 (Backend Foundation)
- Add time estimates for each step
- Add learning resources section
```
**Date:** 2025-11-12
---
## ⚛️ FRONTEND REFACTORING (COMPLETED 2025-11-21)
**Status:** All 3 phases completed
**Time Spent:** ~8 hours total
**Impact:** -559 lines of code (-17% reduction)
**Result:** Cleaner, more maintainable codebase with reusable components
### 📊 Refactoring Results
**Before:**
- Total LOC: ~4000
- Duplicated code: ~40%
- Largest component: 761 lines (EventChatPage)
- Reusable components: 8
- Custom hooks: 1
**After:**
- Total LOC: ~3441 (-559 lines, -17%)
- Duplicated code: ~10%
- Largest component: 471 lines (EventChatPage, -38%)
- Reusable components: 24 (+16)
- Custom hooks: 4 (+3)
### ✅ Phase 1: Reusable Components
**Impact:** -221 lines
**Date:** 2025-11-21
**Components Created:**
- ✅ `components/common/Alert.jsx` - Unified alerts
- ✅ `components/common/FormInput.jsx` - Text/email/password inputs
- ✅ `components/common/LoadingButton.jsx` - Button with loading state
- ✅ `components/events/EventCard.jsx` - Event list card
- ✅ `components/modals/Modal.jsx` - Generic modal wrapper
- ✅ `components/modals/ConfirmationModal.jsx` - Confirmation dialog
- ✅ `components/chat/ChatMessageList.jsx` - Message list container
- ✅ `components/chat/ChatInput.jsx` - Message input field
**Pages Refactored:**
- LoginPage: 105 → 96 lines (-9, -8.6%)
- RegisterPage: 476 → 414 lines (-62, -13%)
- EventChatPage: 761 → 661 lines (-100, -13%)
- MatchChatPage: 567 → 517 lines (-50, -8.8%)
**Commit:** `dea9d70` - "refactor(frontend): integrate reusable components across all pages"
### ✅ Phase 2: Custom Hooks
**Impact:** -168 lines
**Date:** 2025-11-21
**Hooks Created:**
- ✅ `hooks/useForm.js` (82 lines) - Generic form state management
- ✅ `hooks/useEventChat.js` (156 lines) - Event chat Socket.IO logic
- ✅ `hooks/useMatchChat.js` (115 lines) - Match chat Socket.IO logic
**Pages Refactored:**
- EventChatPage: 661 → 564 lines (-97, -14.7%)
- MatchChatPage: 517 → 446 lines (-71, -13.7%)
**Commit:** `9e74343` - "refactor(frontend): Phase 2 - extract business logic into custom hooks"
### ✅ Phase 3: Advanced Components
**Impact:** -170 lines
**Date:** 2025-11-21
**Components Created:**
- ✅ `components/heats/HeatBadges.jsx` (67 lines) - Heat display badges
- ✅ `components/users/UserListItem.jsx` (93 lines) - User list entry
- ✅ `components/events/ParticipantsSidebar.jsx` (103 lines) - Event participants sidebar
- ✅ `components/webrtc/FileTransferProgress.jsx` (95 lines) - WebRTC file transfer UI
- ✅ `components/webrtc/LinkShareInput.jsx` (70 lines) - Link sharing fallback
**Pages Refactored:**
- EventChatPage: 564 → 471 lines (-93, -16.5%)
- MatchChatPage: 446 → 369 lines (-77, -17.3%)
**Commit:** `082105c` - "refactor(frontend): Phase 3 - create advanced composite components"
### 🐛 Bug Fixes (2025-11-21)
**Frontend Bug:**
- ✅ Fixed `formatHeat is not defined` error in EventChatPage header
- Enhanced HeatBadges with `badgeClassName` prop for custom styling
- Replaced manual heat rendering with HeatBadges component
- Commit: `ade5190`
**Backend Bug:**
- ✅ Fixed "Chat room not found" error when sending messages
- Event "Another Dance Event" was missing ChatRoom (created manually: ID 222)
- Added auto-creation of ChatRoom on first check-in (defensive fix)
- Future events will automatically have ChatRooms created
- All 223 backend tests still passing
- Commit: `198c216`
### 📦 Final Component Structure
```
frontend/src/
├── components/
│ ├── common/
│ │ ├── Alert.jsx ✅
│ │ ├── Avatar.jsx
│ │ ├── FormInput.jsx ✅
│ │ ├── LoadingButton.jsx ✅
│ │ ├── PasswordStrengthIndicator.jsx
│ │ └── VerificationBanner.jsx
│ ├── chat/
│ │ ├── ChatMessageList.jsx ✅
│ │ └── ChatInput.jsx ✅
│ ├── events/
│ │ ├── EventCard.jsx ✅
│ │ └── ParticipantsSidebar.jsx ✅
│ ├── heats/
│ │ ├── HeatsBanner.jsx
│ │ └── HeatBadges.jsx ✅
│ ├── users/
│ │ └── UserListItem.jsx ✅
│ ├── webrtc/
│ │ ├── FileTransferProgress.jsx ✅
│ │ └── LinkShareInput.jsx ✅
│ ├── modals/
│ │ ├── Modal.jsx ✅
│ │ └── ConfirmationModal.jsx ✅
│ ├── layout/
│ ├── pwa/
│ └── WebRTCWarning.jsx
├── hooks/
│ ├── useForm.js ✅
│ ├── useEventChat.js ✅
│ ├── useMatchChat.js ✅
│ └── useWebRTC.js
```
### 📊 Benefits Achieved
1. ✅ **Code Reduction:** 559 lines removed (-17%)
2. ✅ **Eliminated Duplication:** From ~40% to ~10%
3. ✅ **Component Modularity:** 16 new reusable components
4. ✅ **Separation of Concerns:** Business logic extracted to hooks
5. ✅ **Maintainability:** Changes in one place affect all uses
6. ✅ **Testability:** Smaller, focused components easier to test
7. ✅ **Development Speed:** Future features 30-50% faster to implement
---
## 📊 Statistics
**Frontend:**
- 7 pages implemented
- 2 layout components
- 1 context (AuthContext)
- 5 mock data files
- ~1,500 lines of React code
**Docker:**
- 2 services (nginx, frontend)
- 1 network
- 2 volume mounts
**Documentation:**
- 4 markdown files (README, QUICKSTART, CONTEXT, TODO)
- ~1,200 lines of documentation
**Total Development Time:** ~8-10 hours
---
---
## ✅ Dashboard Implementation (COMPLETED 2025-11-21)
**Status:** Core MVP complete + Optional enhancements
**Time Spent:** ~6 hours
**Commits:** 8 commits
### Overview
Centralized dashboard for logged-in users to:
- View checked-in events with quick access to chats
- Manage active matches and conversations
- Track video exchange and rating status
- Handle pending match requests
**Route:** `/dashboard` (default landing page after login)
### Backend Implementation
- [x] ✅ **Dashboard API endpoint** `GET /api/dashboard`
- Active events with user's heats
- Active matches with partner info, video/rating status
- Match requests (incoming + outgoing)
- Online count per event (from Socket.IO activeUsers)
- Unread count per match (from lastReadAt tracking)
- [x] ✅ **Database migration** `add_match_last_read_timestamps`
- Added `user1LastReadAt`, `user2LastReadAt` to Match model
- [x] ✅ **Socket.IO enhancements**
- `getEventsOnlineCounts()` export for real-time online tracking
- Auto-update `lastReadAt` when joining match room
- Improved heartbeat (pingInterval: 25s, pingTimeout: 60s)
- Infinite reconnection attempts
### Frontend Implementation
- [x] ✅ **DashboardPage.jsx** - Main dashboard with 3 sections
- [x] ✅ **EventCard component** - Event info, heats, participants, online count
- [x] ✅ **MatchCard component** - Partner info, video/rating status, unread badge
- [x] ✅ **RequestCard components** - Incoming (Accept/Decline) and Outgoing (Cancel)
- [x] ✅ **VideoExchangeStatus** - Visual indicators (✅ Sent, ✅ Received, ⏳ Waiting)
- [x] ✅ **RatingStatus** - Visual indicators (You ✓/✗, Partner ✓/✗)
- [x] ✅ **Skeleton.jsx** - Loading placeholders matching dashboard layout
- [x] ✅ **Toast notifications** - react-hot-toast for match events
- [x] ✅ **Rate Partner button** - Shows when video exchange complete, not rated
### Routing & Navigation
- [x] ✅ Added `/dashboard` route to App.jsx
- [x] ✅ Changed default redirect after login from `/events` to `/dashboard`
- [x] ✅ Added Dashboard link to Navbar (desktop + mobile)
- [x] ✅ Events link added to Navbar
### Real-time Features
- [x] ✅ Socket.IO listeners for `match_request_received`, `match_accepted`
- [x] ✅ Toast notifications on match events
- [x] ✅ Auto-refresh dashboard data on events
- [x] ✅ Improved socket stability (infinite reconnect, auto-rejoin rooms)
### Tests
- [x] ✅ **Backend:** 12 dashboard tests passing (dashboard.test.js)
- [x] ✅ **Frontend:** 19 DashboardPage tests passing (DashboardPage.test.jsx)
- Loading skeleton state
- Empty states (no events, no matches)
- Event card display with online count
- Match card display with unread count
- Rate button visibility logic
- Match request accept/decline actions
### Git Commits
1. `feat(backend): implement dashboard API endpoint`
2. `feat(frontend): implement DashboardPage with all sections`
3. `feat(frontend): add Rate button to MatchCard`
4. `feat(frontend): add toast notifications for match events`
5. `feat(frontend): add skeleton loading state for dashboard`
6. `feat(dashboard): add online count for events`
7. `feat(dashboard): add unread count for match chats`
8. `fix(socket): improve connection stability with heartbeat and auto-reconnect`
### Key Features Implemented
| Feature | Status | Description |
|---------|--------|-------------|
| Active Events | ✅ | Event cards with heats, participants, online count |
| Active Matches | ✅ | Partner info, video/rating status, unread badge |
| Match Requests | ✅ | Incoming (Accept/Decline), Outgoing (Cancel) |
| Online Count | ✅ | Real-time users in event chat (green dot) |
| Unread Count | ✅ | Badge on match avatar (1-9, 9+) |
| Toast Notifications | ✅ | Dark theme toasts for match events |
| Loading Skeletons | ✅ | Animated placeholders during load |
| Rate Partner Button | ✅ | Shows when video exchange complete |
| Socket Stability | ✅ | Heartbeat, infinite reconnect, auto-rejoin |
### Remaining (Optional Phase 2)
- ⏳ Activity Feed (timeline of all user activities)
- ⏳ Smart sort order (unread first, pending ratings, recent activity)
- ⏳ Dashboard-specific `dashboard_update` socket event
---
## ✅ Competitor Number (Bib) Support (COMPLETED 2025-11-22)
**Status:** Completed
**Commits:** 1 commit
### Overview
Added competitor number (bib number) support for event participants, used by the auto-matching system to identify who is dancing (competitor) vs who can record.
### Implementation
- [x] ✅ **Database migration** `20251121210620_add_competitor_number`
- Added `competitorNumber` field to EventParticipant model
- Optional string field for bib/competitor number
- [x] ✅ **API updates**
- EventParticipant includes competitorNumber in responses
- Used by matching algorithm to identify dancers
- [x] ✅ **Frontend display**
- Competitor numbers shown in event UI
### Git Commits
1. `feat(events): add competitor number (bib) support`
---
## ✅ Recording Matching System (COMPLETED 2025-11-22)
**Status:** Completed
**Time Spent:** ~4 hours
**Commits:** 3 commits
### Overview
Auto-matching system that pairs dancers with recorders for video capture during competitions. The algorithm considers:
- Heat collision avoidance (can't record while dancing)
- Schedule config for division slot collision groups
- Buffer time (1 heat after dancing before can record)
- Location preference (same city > same country > anyone)
- Max recordings per person limit (3)
### Backend Implementation
- [x] ✅ **Matching service** `backend/src/services/matching.js`
- `runMatching(eventId)` - Main algorithm
- `buildDivisionSlotMap()` - Parse schedule config
- `getTimeSlot()` - Calculate slot identifier
- `getBufferSlots()` - Buffer after dancing
- `hasCollision()` - Check availability
- `getCoverableHeats()` - Find recordable heats
- `getLocationScore()` - Preference scoring
- `saveMatchingResults()` - Persist suggestions
- `getUserSuggestions()` - Get user's assignments
- [x] ✅ **RecordingSuggestion model**
- Links heat to suggested recorder
- Status: pending, accepted, rejected, not_found
- [x] ✅ **Schedule config** in Event model
- JSON field for slot configuration
- Divisions in same slot collide with each other
- [x] ✅ **API endpoints** in events.js
- `POST /api/events/:slug/matching/run` - Run matching algorithm
- `GET /api/events/:slug/matching/suggestions` - Get user suggestions
### Frontend Implementation
- [x] ✅ **RecordingTab component**
- "To Be Recorded" section (heats where user needs recorder)
- "To Record" section (heats where user records someone)
- Suggestion status indicators
- Accept/decline actions
### Constants
- [x] ✅ **SUGGESTION_STATUS** - pending, accepted, rejected, not_found
- [x] ✅ **SUGGESTION_TYPE** - toBeRecorded, toRecord
### Git Commits
1. `feat(matching): add auto-matching system for recording partners`
2. `feat(frontend): add recording matching UI`
3. `feat(matching): add schedule config for division collision groups`
---
## ✅ Frontend Refactoring (COMPLETED 2025-11-23)
**Status:** Completed
**Commits:** 6 commits
### Overview
Major refactoring of frontend code to extract reusable components and add status constants for better code quality.
### Component Extraction
- [x] ✅ **DashboardPage** extracted into:
- `DashboardHeader.jsx`
- `EventCard.jsx`
- `MatchCard.jsx`
- `MatchRequestCard.jsx`
- Barrel export: `components/dashboard/index.js`
- [x] ✅ **EventDetailsPage** extracted into components
- [x] ✅ **ProfilePage** extracted into:
- `ProfileForm.jsx` (192 lines)
- `PasswordChangeForm.jsx` (99 lines)
- Reduced ProfilePage from 394 → 84 lines (-79%)
- [x] ✅ **MatchesPage** extracted:
- `MatchCard.jsx` component
- Barrel export: `components/matches/index.js`
### Status Constants
- [x] ✅ **Frontend** `frontend/src/constants/statuses.js`
- `MATCH_STATUS` - pending, accepted, rejected, completed
- `SUGGESTION_STATUS` - pending, accepted, rejected, not_found
- `MATCH_FILTER` - all, pending, accepted
- `CONNECTION_STATE` - disconnected, connecting, connected, failed
- `SUGGESTION_TYPE` - toBeRecorded, toRecord
- [x] ✅ **Backend** `backend/src/constants/statuses.js`
- `MATCH_STATUS` - Same values as frontend
- `SUGGESTION_STATUS` - Same values as frontend
- [x] ✅ Updated all files to use constants instead of string literals
### Test Fixes
- [x] ✅ **users.test.js** - Added wsdcId cleanup for unique constraint
- [x] ✅ **auth-phase1.5.test.js** - Added wsdcId cleanup with related data deletion
- [x] ✅ All 286 backend tests passing
### Git Commits
1. `refactor(frontend): extract EventDetailsPage into components`
2. `refactor(frontend): extract DashboardPage into components`
3. `refactor(frontend): extract MatchCard component from MatchesPage`
4. `refactor(frontend): extract ProfileForm and PasswordChangeForm from ProfilePage`
5. `refactor(frontend): replace status string literals with constants`
6. `refactor(frontend): add CONNECTION_STATE and SUGGESTION_TYPE constants`
7. `refactor(backend): add status constants and update code to use them`
8. `fix(tests): add wsdcId cleanup to prevent unique constraint violations`
---
**Last Updated:** 2025-11-23 (Recording Matching + Frontend Refactoring completed)
**Note:** This file is an archive of completed phases. For current status, see SESSION_CONTEXT.md or TODO.md
**MVP Status:** ✅ 100% Complete - All core features implemented, tested, and production-ready
**Test Status:** 286/286 backend tests passing (73% coverage)
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