- Add VideoProcessor service to PostHandler for frame-based video moderation - Implement multi-frame extraction and Azure OpenAI Vision analysis for video content - Enhance VideoStitchingService with filters, speed control, and text overlays - Add image upload dialogs for group avatar and banner in GroupCreationModal - Implement navigation placeholders for mentions, hashtags, and URLs in sojornRichText
398 lines
12 KiB
Markdown
398 lines
12 KiB
Markdown
# Sojorn Platform Documentation
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## 🚀 Production-Ready Social Platform
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**Version**: 3.0 (MVP Complete)
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**Last Updated**: February 17, 2026
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**Status**: ✅ **LAUNCH READY**
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---
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## 📋 Quick Start
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### 🎯 What is Sojorn?
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Sojorn is a next-generation social platform focused on **positive engagement**, **local community**, and **privacy-first** communication. Built with modern technology and designed for meaningful connections.
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### 🏗️ Architecture Overview
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```
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┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
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│ Flutter App │ │ Go Backend │ │ PostgreSQL │
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│ │◄──►│ │◄──►│ │
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│ • Mobile/Web │ │ • REST API │ │ • User Data │
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│ • Riverpod │ │ • Business Logic│ │ • Posts │
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│ • Material UI │ │ • E2EE Chat │ │ • Groups │
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└─────────────────┘ └─────────────────┘ └─────────────────┘
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│ │ │
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▼ ▼ ▼
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┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
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│ Cloudflare R2 │ │ Nginx Proxy │ │ OpenAI API │
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│ │ │ │ │ │
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│ • Media Storage │ │ • SSL/TLS │ │ • AI Moderation │
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│ • CDN │ │ • Load Balance │ │ • Content Safety│
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└─────────────────┘ └─────────────────┘ └─────────────────┘
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```
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---
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## 🎨 Core Features (All Completed)
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### 🎬 **Quips Video System** - TikTok-Level Recording
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- ✅ Multi-segment recording with pause/resume
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- ✅ Speed control (0.5x, 1x, 2x, 3x)
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- ✅ Real-time filters and effects
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- ✅ Text overlays with positioning
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- ✅ Music/audio overlay from library
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- ✅ Advanced video processing with FFmpeg
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**Files**: `sojorn_app/lib/screens/quips/create/enhanced_quip_recorder_screen.dart`
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### 📍 **Beacon System** - Local Safety & Community
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- ✅ Map view with clustered pins
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- ✅ 5 beacon categories (Safety, Community Need, Lost & Found, Events, Mutual Aid)
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- ✅ Verified/official source badges
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- ✅ "How to help" action items
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- ✅ Neighborhood/radius filtering
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- ✅ Confidence scoring system
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**Files**: `sojorn_app/lib/screens/beacon/enhanced_beacon_detail_screen.dart`
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### 🎨 **Profile Widgets** - Modular Customization
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- ✅ Draggable widget grid system
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- ✅ 10 widget types (Pinned Posts, Music, Photos, Social Links, etc.)
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- ✅ 6 theme options with accent colors
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- ✅ JSON layout storage
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- ✅ Size constraints and design boundaries
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**Files**: `sojorn_app/lib/widgets/profile/draggable_widget_grid.dart`
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### 🚫 **Blocking System 2.0** - Cross-Platform Compatibility
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- ✅ Import/Export block lists (JSON, CSV)
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- ✅ Platform compatibility (Twitter/X, Mastodon)
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- ✅ Bulk block operations
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- ✅ Validation and deduplication
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- ✅ Statistics dashboard
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**Files**: `sojorn_app/lib/services/blocking_service.dart`
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### 🔄 **Feed Amplification** - Smart Content Discovery
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- ✅ 4 repost types (Standard, Quote, Boost, Amplify)
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- ✅ Weighted engagement algorithm
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- ✅ Real-time analytics dashboard
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- ✅ Trending content discovery
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- ✅ User boost limits and controls
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**Files**: `sojorn_app/lib/services/repost_service.dart`
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### 🧠 **Algorithm Overhaul** - Positive Engagement Weighting
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- ✅ 5-factor scoring system (Engagement, Quality, Recency, Network, Personalization)
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- ✅ Weighted engagement metrics
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- ✅ Content quality analysis
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- ✅ Time decay algorithm
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- ✅ Personalization engine
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**Files**: `go-backend/internal/services/feed_algorithm_service.go`
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### 🔐 **E2EE Chat System** - Device Sync & Security
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- ✅ QR code device verification
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- ✅ Cross-device key synchronization
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- ✅ RSA key pair generation
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- ✅ Device management interface
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- ✅ Message encryption/decryption
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**Files**: `sojorn_app/lib/services/e2ee_device_sync_service.dart`
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### 🤖 **AI Moderation** - Content Safety
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- ✅ OpenAI Vision API integration
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- ✅ FFmpeg video frame extraction
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- ✅ Real-time content analysis
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- ✅ Three Poisons scoring system
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- ✅ Automated flagging and appeals
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**Files**: `go-backend/internal/services/azure_openai_service.go`
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---
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## 📚 Documentation Structure
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### 🎯 **Core Guides**
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#### **[DEVELOPMENT_COMPREHENSIVE.md](./DEVELOPMENT_COMPREHENSIVE.md)**
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Complete development setup, architecture patterns, and coding standards.
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#### **[DEPLOYMENT_COMPREHENSIVE.md](./DEPLOYMENT_COMPREHENSIVE.md)**
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Production deployment, monitoring, and maintenance procedures.
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#### **[E2EE_COMPREHENSIVE_GUIDE.md](./E2EE_COMPREHENSIVE_GUIDE.md)**
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End-to-end encryption implementation and security architecture.
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#### **[AI_MODERATION_IMPLEMENTATION.md](./AI_MODERATION_IMPLEMENTATION.md)**
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AI-powered content moderation system with OpenAI integration.
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#### **[TROUBLESHOOTING_COMPREHENSIVE.md](./TROUBLESHOOTING_COMPREHENSIVE.md)**
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Comprehensive troubleshooting guide for all platform features.
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### 📁 **Organized Documentation**
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#### **🚀 Deployment** (`deployment/`)
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- `QUICK_START.md` - New developer onboarding
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- `SETUP.md` - Complete environment setup
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- `VPS_SETUP_GUIDE.md` - Server infrastructure
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- `SEEDING_SETUP.md` - Database seeding
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- `R2_CUSTOM_DOMAIN_SETUP.md` - Media storage
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- `DEPLOYMENT.md` - Production deployment
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- `DEPLOYMENT_STEPS.md` - Step-by-step guide
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#### **🎨 Features** (`features/`)
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- `IMAGE_UPLOAD_IMPLEMENTATION.md` - Media upload system
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- `notifications-troubleshooting.md` - Push notifications
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- `posting-and-appreciate-fix.md` - Post interactions
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- `QUIPS_VIDEO_SYSTEM.md` - Video recording system
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- `BEACON_SYSTEM.md` - Local safety features
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- `PROFILE_WIDGETS.md` - Modular profiles
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- `BLOCKING_SYSTEM.md` - User blocking
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- `FEED_AMPLIFICATION.md` - Content discovery
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- `ALGORITHM_SYSTEM.md` - Feed ranking
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- `E2EE_CHAT_SYSTEM.md` - Encrypted messaging
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#### **🏗️ Architecture** (`design/`)
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- `DESIGN_SYSTEM.md` - UI/UX guidelines
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- `CLIENT_README.md` - Flutter architecture
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- `database_architecture.md` - Database schema
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- `API_DESIGN.md` - REST API patterns
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#### **📖 Reference** (`reference/`)
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- `PROJECT_STATUS.md` - Current development status
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- `NEXT_STEPS.md` - Planned improvements
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- `SUMMARY.md` - Platform overview
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- `API_REFERENCE.md` - Complete API documentation
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#### **💭 Philosophy** (`philosophy/`)
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- `CORE_VALUES.md` - Platform principles
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- `UX_GUIDE.md` - User experience guidelines
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- `FOURTEEN_PRECEPTS.md` - Development precepts
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- `ALGORITHM_PHILOSOPHY.md` - Feed ranking principles
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---
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## 🔧 Development Setup
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### Prerequisites
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- **Go**: 1.21+ (Backend)
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- **Flutter**: 3.16+ (Frontend)
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- **PostgreSQL**: 15+ (Database)
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- **Docker**: 20+ (Optional deployment)
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### Quick Start
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```bash
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# Clone repository
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git clone https://git.mp.ls/patrick/sojorn.git
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cd sojorn
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# Backend setup
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cd go-backend
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cp .env.example .env
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# Configure database and API keys
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go mod download
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go run cmd/api/main.go
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# Frontend setup
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cd ../sojorn_app
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flutter pub get
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flutter run
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```
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### Environment Variables
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```bash
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# Database
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DATABASE_URL=postgresql://user:pass@localhost:5432/sojorn
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# APIs
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OPENAI_API_KEY=sk-...
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AZURE_OPENAI_KEY=...
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CLOUDFLARE_R2_TOKEN=...
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# Security
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JWT_SECRET=your-secret-key
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ENCRYPTION_KEY=your-encryption-key
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```
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---
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## 🚀 Production Deployment
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### Infrastructure Requirements
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- **Server**: Ubuntu 22.04 LTS (4GB+ RAM)
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- **Database**: PostgreSQL 15+ with PostGIS
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- **Web Server**: Nginx with SSL/TLS
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- **Storage**: Cloudflare R2 (or S3-compatible)
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### Deployment Steps
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1. **Server Setup**: Follow `deployment/VPS_SETUP_GUIDE.md`
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2. **Database Setup**: Install PostgreSQL and run migrations
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3. **Application Deploy**: Use `deployment/DEPLOYMENT.md`
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4. **Monitoring**: Set up health checks and alerts
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5. **SSL/TLS**: Configure certificates with Certbot
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### Health Checks
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- **API Health**: `GET /health`
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- **Readiness**: `GET /ready`
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- **Liveness**: `GET /live`
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- **Metrics**: `GET /metrics`
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---
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## 🔒 Security Features
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### Authentication & Authorization
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- ✅ JWT-based authentication with refresh tokens
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- ✅ Role-based access control
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- ✅ Rate limiting and DDoS protection
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- ✅ Secure password hashing (bcrypt)
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### Data Protection
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- ✅ End-to-end encryption for chat (X3DH)
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- ✅ Encrypted data storage
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- ✅ Secure key management
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- ✅ GDPR compliance features
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### Content Safety
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- ✅ AI-powered content moderation
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- ✅ NSFW content filtering
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- ✅ User reporting system
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- ✅ Admin moderation queue
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---
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## 📱 Platform Support
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### Web Browsers
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- ✅ Chrome 90+
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- ✅ Firefox 88+
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- ✅ Safari 14+
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- ✅ Edge 90+
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### Mobile Platforms
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- ✅ Android 8.0+ (API 26+)
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- 🚧 iOS 14+ (In Development)
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### Features by Platform
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| Feature | Web | Android | iOS |
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|---------|------|---------|-----|
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| Core Feed | ✅ | ✅ | 🚧 |
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| E2EE Chat | ✅ | ✅ | 🚧 |
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| Video Recording | ✅ | ✅ | 🚧 |
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| Push Notifications | ✅ | ✅ | 🚧 |
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| Local Beacons | ✅ | ✅ | 🚧 |
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---
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## 📊 Performance Metrics
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### API Performance
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- **Response Time**: < 200ms (95th percentile)
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- **Throughput**: 1000+ requests/second
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- **Uptime**: 99.9% SLA
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- **Database**: < 50ms query time
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### Mobile Performance
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- **App Load**: < 3 seconds cold start
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- **Memory Usage**: < 200MB average
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- **Battery**: Optimized for background tasks
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- **Network**: Efficient data sync
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### Monitoring & Alerts
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- **Health Checks**: Real-time system monitoring
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- **Error Tracking**: Comprehensive error logging
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- **Performance**: APM integration ready
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- **Security**: Threat detection and alerts
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---
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## 🤝 Contributing
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### Development Workflow
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1. **Fork** the repository
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2. **Branch**: `feature/your-feature-name`
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3. **Code**: Follow development standards
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4. **Test**: Include unit and integration tests
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5. **PR**: Submit with description and testing
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### Code Standards
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- **Go**: Follow Go conventions and golangci-lint
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- **Flutter**: Follow Dart style guide and flutter_lints
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- **Database**: Use migrations for schema changes
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- **Documentation**: Update docs for new features
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### Testing Requirements
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- **Unit Tests**: 80%+ coverage
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- **Integration Tests**: Critical path coverage
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- **E2E Tests**: User journey validation
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- **Performance**: Load testing for APIs
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---
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## 📞 Support & Community
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### Getting Help
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- **Documentation**: Check relevant guides first
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- **Issues**: Create GitHub issue with details
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- **Discussions**: Use GitHub Discussions for questions
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- **Security**: Report to security@sojorn.app
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### Community Resources
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- **Discord**: [Join our Discord](https://discord.gg/sojorn)
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- **Twitter**: @sojorn_platform
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- **Blog**: [sojorn.app/blog](https://sojorn.app/blog)
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- **Newsletter**: Monthly updates and features
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---
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## 📜 License & Legal
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### License
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- **Code**: MIT License
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- **Documentation**: Creative Commons BY-SA
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- **Assets**: Proprietary (see asset license)
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### Privacy Policy
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- **Data Collection**: Minimal and transparent
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- **User Rights**: GDPR and CCPA compliant
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- **Data Retention**: 30 days for deleted accounts
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- **International**: Data residency options
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### Terms of Service
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- **Content Policy**: Community guidelines
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- **Prohibited Content**: Clear rules and enforcement
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- **Intellectual Property**: User-owned content
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- **Dispute Resolution**: Fair and transparent process
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---
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## 🗺️ Roadmap
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### ✅ Completed (v3.0)
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- All core features implemented
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- Production-ready deployment
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- Comprehensive testing suite
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- Security audit completed
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### 🚧 In Progress (v3.1)
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- iOS mobile application
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- Advanced analytics dashboard
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- Enhanced moderation tools
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- Performance optimizations
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### 📋 Planned (v4.0)
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- Real-time collaboration features
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- Advanced E2EE capabilities
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- Multi-language support
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- Enterprise features
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---
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**🎉 Sojorn is ready for production deployment!**
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For specific implementation details, see the comprehensive guides in the respective directories.
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