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| 1 | +# Laravel PostHog Example - Implementation Summary |
| 2 | + |
| 3 | +This document summarizes the implementation of the Laravel PostHog example application, ported from the Flask version. |
| 4 | + |
| 5 | +## ✅ Completed Implementation |
| 6 | + |
| 7 | +### Core Application Structure |
| 8 | + |
| 9 | +**Models & Database** |
| 10 | +- ✅ User model with PostHog properties helper method |
| 11 | +- ✅ User migration with `is_staff` field |
| 12 | +- ✅ Database seeder for default admin user |
| 13 | +- ✅ SQLite database configuration |
| 14 | + |
| 15 | +**PostHog Integration** |
| 16 | +- ✅ PostHog configuration file (`config/posthog.php`) |
| 17 | +- ✅ PostHogService class with all core methods: |
| 18 | + - `identify()` - User identification |
| 19 | + - `capture()` - Event tracking |
| 20 | + - `captureException()` - Error tracking |
| 21 | + - `isFeatureEnabled()` - Feature flag checking |
| 22 | + - `getFeatureFlagPayload()` - Feature flag payload retrieval |
| 23 | + |
| 24 | +**Authentication (Livewire Components)** |
| 25 | +- ✅ Login component with PostHog tracking |
| 26 | +- ✅ Register component with PostHog tracking |
| 27 | +- ✅ Logout route with PostHog tracking |
| 28 | + |
| 29 | +**Core Features (Livewire Components)** |
| 30 | +- ✅ Dashboard - Feature flag demonstration |
| 31 | +- ✅ Burrito Tracker - Custom event tracking |
| 32 | +- ✅ Profile - Error tracking demonstration |
| 33 | + |
| 34 | +**API Controllers** |
| 35 | +- ✅ BurritoController - API endpoint for burrito tracking |
| 36 | +- ✅ ErrorTestController - Manual error capture demonstration |
| 37 | + |
| 38 | +**Views & Layouts** |
| 39 | +- ✅ App layout (authenticated users) |
| 40 | +- ✅ Guest layout (unauthenticated users) |
| 41 | +- ✅ All Livewire view files with inline styling |
| 42 | +- ✅ Error pages (404, 500) |
| 43 | + |
| 44 | +**Routes** |
| 45 | +- ✅ Web routes (authentication, dashboard, burrito, profile, logout) |
| 46 | +- ✅ API routes (burrito tracking, error testing) |
| 47 | + |
| 48 | +**Configuration** |
| 49 | +- ✅ Environment example file |
| 50 | +- ✅ Composer.json with dependencies |
| 51 | +- ✅ Laravel config files (app, auth, database, session) |
| 52 | +- ✅ .gitignore |
| 53 | + |
| 54 | +**Documentation** |
| 55 | +- ✅ Comprehensive README |
| 56 | +- ✅ Implementation plan (php-plan.md) |
| 57 | + |
| 58 | +## 📋 Features Implemented |
| 59 | + |
| 60 | +### 1. User Authentication |
| 61 | +- Login with PostHog identification |
| 62 | +- Registration with PostHog tracking |
| 63 | +- Logout with event capture |
| 64 | +- Session management |
| 65 | + |
| 66 | +### 2. PostHog Analytics |
| 67 | +- User identification on login/signup |
| 68 | +- Person properties (email, is_staff, date_joined) |
| 69 | +- Custom event tracking (burrito considerations) |
| 70 | +- Dashboard views tracking |
| 71 | + |
| 72 | +### 3. Feature Flags |
| 73 | +- Feature flag checking (`new-dashboard-feature`) |
| 74 | +- Feature flag payload retrieval |
| 75 | +- Conditional UI rendering based on flags |
| 76 | + |
| 77 | +### 4. Error Tracking |
| 78 | +- Manual exception capture |
| 79 | +- Error ID generation |
| 80 | +- Test endpoint with optional capture (`?capture=true/false`) |
| 81 | + |
| 82 | +### 5. UI/UX |
| 83 | +- Responsive layouts |
| 84 | +- Flash messages for user feedback |
| 85 | +- Livewire reactivity for burrito counter |
| 86 | +- Loading states on buttons |
| 87 | + |
| 88 | +## 🎯 PostHog Integration Points |
| 89 | + |
| 90 | +| Feature | Location | PostHog Method | |
| 91 | +|---------|----------|----------------| |
| 92 | +| User Login | `Login.php:23-27` | `identify()` + `capture()` | |
| 93 | +| User Signup | `Register.php:29-32` | `identify()` + `capture()` | |
| 94 | +| User Logout | `web.php:25` | `capture()` | |
| 95 | +| Dashboard View | `Dashboard.php:18` | `capture()` | |
| 96 | +| Feature Flag Check | `Dashboard.php:21-25` | `isFeatureEnabled()` | |
| 97 | +| Feature Flag Payload | `Dashboard.php:28-31` | `getFeatureFlagPayload()` | |
| 98 | +| Burrito Tracking | `BurritoTracker.php:22-24` | `identify()` + `capture()` | |
| 99 | +| Profile View | `Profile.php:14` | `capture()` | |
| 100 | +| Error Capture | `ErrorTestController.php:22-24` | `identify()` + `captureException()` | |
| 101 | + |
| 102 | +## 📁 File Structure |
| 103 | + |
| 104 | +``` |
| 105 | +basics/laravel/ |
| 106 | +├── app/ |
| 107 | +│ ├── Http/ |
| 108 | +│ │ ├── Controllers/ |
| 109 | +│ │ │ ├── Controller.php |
| 110 | +│ │ │ └── Api/ |
| 111 | +│ │ │ ├── BurritoController.php |
| 112 | +│ │ │ └── ErrorTestController.php |
| 113 | +│ │ └── Livewire/ |
| 114 | +│ │ ├── Auth/ |
| 115 | +│ │ │ ├── Login.php |
| 116 | +│ │ │ └── Register.php |
| 117 | +│ │ ├── Dashboard.php |
| 118 | +│ │ ├── BurritoTracker.php |
| 119 | +│ │ └── Profile.php |
| 120 | +│ ├── Models/ |
| 121 | +│ │ └── User.php |
| 122 | +│ └── Services/ |
| 123 | +│ └── PostHogService.php |
| 124 | +├── config/ |
| 125 | +│ ├── app.php |
| 126 | +│ ├── auth.php |
| 127 | +│ ├── database.php |
| 128 | +│ ├── posthog.php |
| 129 | +│ └── session.php |
| 130 | +├── database/ |
| 131 | +│ ├── migrations/ |
| 132 | +│ │ └── 2024_01_01_000000_create_users_table.php |
| 133 | +│ └── seeders/ |
| 134 | +│ └── DatabaseSeeder.php |
| 135 | +├── resources/ |
| 136 | +│ └── views/ |
| 137 | +│ ├── components/ |
| 138 | +│ │ └── layouts/ |
| 139 | +│ │ ├── app.blade.php |
| 140 | +│ │ └── guest.blade.php |
| 141 | +│ ├── livewire/ |
| 142 | +│ │ ├── auth/ |
| 143 | +│ │ │ ├── login.blade.php |
| 144 | +│ │ │ └── register.blade.php |
| 145 | +│ │ ├── dashboard.blade.php |
| 146 | +│ │ ├── burrito-tracker.blade.php |
| 147 | +│ │ └── profile.blade.php |
| 148 | +│ └── errors/ |
| 149 | +│ ├── 404.blade.php |
| 150 | +│ └── 500.blade.php |
| 151 | +├── routes/ |
| 152 | +│ ├── api.php |
| 153 | +│ └── web.php |
| 154 | +├── .env.example |
| 155 | +├── .gitignore |
| 156 | +├── composer.json |
| 157 | +├── IMPLEMENTATION.md |
| 158 | +└── README.md |
| 159 | +``` |
| 160 | + |
| 161 | +## 🔄 Flask to Laravel Mapping |
| 162 | + |
| 163 | +| Flask Component | Laravel Equivalent | |
| 164 | +|----------------|-------------------| |
| 165 | +| Flask-Login | Laravel Auth + Livewire | |
| 166 | +| Flask-SQLAlchemy | Eloquent ORM | |
| 167 | +| Jinja2 Templates | Blade Templates + Livewire | |
| 168 | +| Blueprint routes | Route definitions | |
| 169 | +| @app.route decorators | Route::get/post | |
| 170 | +| session | session() helper | |
| 171 | +| flash() | session()->flash() | |
| 172 | +| @login_required | Route::middleware('auth') | |
| 173 | +| request.form | Livewire properties | |
| 174 | +| render_template() | view() or Livewire render() | |
| 175 | +| jsonify() | response()->json() | |
| 176 | +| SQLAlchemy models | Eloquent models | |
| 177 | + |
| 178 | +## 🚀 Next Steps for Production |
| 179 | + |
| 180 | +To make this a production-ready application: |
| 181 | + |
| 182 | +1. **Install via Composer**: Run full Laravel installation |
| 183 | +2. **Environment**: Generate APP_KEY with `php artisan key:generate` |
| 184 | +3. **Database**: Run migrations with `php artisan migrate --seed` |
| 185 | +4. **Assets**: Set up Vite for asset compilation |
| 186 | +5. **Middleware**: Add CSRF protection middleware |
| 187 | +6. **Validation**: Add form request classes |
| 188 | +7. **Testing**: Implement PHPUnit tests |
| 189 | +8. **Caching**: Configure Redis/Memcached |
| 190 | +9. **Queue**: Set up queue workers for PostHog events |
| 191 | +10. **Deployment**: Configure for production server |
| 192 | + |
| 193 | +## 📝 Notes |
| 194 | + |
| 195 | +- This implementation uses inline CSS (matching Flask example) instead of Tailwind compilation |
| 196 | +- Livewire provides reactivity without separate JavaScript files |
| 197 | +- PostHog service is dependency-injected into components/controllers |
| 198 | +- Manual error capture pattern matches Flask implementation |
| 199 | +- Session-based burrito counter (same as Flask) |
| 200 | +- Default admin account: [email protected] / admin |
| 201 | + |
| 202 | +## 🎓 Learning Resources |
| 203 | + |
| 204 | +- [Laravel Documentation](https://laravel.com/docs) |
| 205 | +- [Livewire Documentation](https://livewire.laravel.com) |
| 206 | +- [PostHog PHP SDK](https://github.com/PostHog/posthog-php) |
| 207 | +- [Eloquent ORM](https://laravel.com/docs/eloquent) |
| 208 | + |
| 209 | +--- |
| 210 | + |
| 211 | +**Implementation Date**: January 2026 |
| 212 | +**Laravel Version**: 11.x |
| 213 | +**Livewire Version**: 3.x |
| 214 | +**PostHog PHP SDK**: 3.x |
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