System Overview - utourismboard/explore-uganda-application-documentation GitHub Wiki

System Overview

Introduction

The Explore Uganda App is a comprehensive mobile platform designed to promote tourism and investment opportunities in Uganda. This document provides a high-level overview of the system architecture, components, and their interactions.

System Architecture

High-Level Architecture

graph TD
    A[Mobile App] --> B[API Layer]
    B --> C[Backend Services]
    C --> D[Database]
    C --> E[Storage]
    C --> F[External Services]
    
    F --> G[Payment Services]
    F --> H[Maps Services]
    F --> I[Analytics]
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Component Breakdown

  1. Frontend Layer

    • Flutter mobile application
    • Web admin dashboard
    • Content management interface
  2. API Layer

    • RESTful endpoints
    • WebSocket connections
    • Authentication middleware
    • Rate limiting
  3. Backend Services

    • User management
    • Content processing
    • Notification system
    • Analytics engine
  4. Data Layer

    • Cloud Firestore
    • Firebase Storage
    • Cache system
    • Backup storage

Data Flow

User Journey

sequenceDiagram
    participant User
    participant App
    participant API
    participant Backend
    participant Database
    
    User->>App: Open App
    App->>API: Authentication Request
    API->>Backend: Validate User
    Backend->>Database: Fetch User Data
    Database-->>Backend: User Data
    Backend-->>API: Auth Response
    API-->>App: Auth Token
    App-->>User: Dashboard
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Content Flow

graph LR
    A[Content Creation] --> B[Validation]
    B --> C[Processing]
    C --> D[Storage]
    D --> E[Distribution]
    E --> F[User Access]
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System Components

Mobile Application

// App Configuration
class AppConfig {
  static const String appName = 'Explore Uganda';
  static const String version = '1.0.0';
  static const String buildNumber = '1';
  
  static const Map<String, String> endpoints = {
    'production': 'https://api.exploreuganda.app/v1',
    'staging': 'https://staging-api.exploreuganda.app/v1',
    'development': 'https://dev-api.exploreuganda.app/v1',
  };
}

Backend Services

// Service Architecture
class ServiceLayer {
  static const services = {
    'auth': AuthenticationService,
    'content': ContentManagementService,
    'storage': StorageService,
    'analytics': AnalyticsService,
    'notifications': NotificationService,
  };
  
  static Future<void> initializeServices() async {
    // Service initialization
  }
}

Integration Points

External Services

  1. Payment Gateways

    • Mobile Money
    • International payments
    • Payment processing
    • Transaction management
  2. Map Services

    • Location services
    • Route planning
    • Place search
    • Geofencing
  3. Analytics Services

    • User analytics
    • Performance metrics
    • Usage statistics
    • Error tracking

Third-Party APIs

// API Integration
class ExternalAPIs {
  static const Map<String, String> endpoints = {
    'maps': 'https://maps.googleapis.com/maps/api',
    'payments': 'https://payment-gateway.exploreuganda.app/v1',
    'weather': 'https://weather-api.exploreuganda.app/v1',
  };
  
  static Future<void> validateIntegrations() async {
    // API validation
  }
}

Security Architecture

Security Layers

  1. Application Security

    • Input validation
    • Output encoding
    • Session management
    • Error handling
  2. Network Security

    • SSL/TLS encryption
    • API authentication
    • Request validation
    • Rate limiting
  3. Data Security

    • Encryption at rest
    • Secure transmission
    • Access control
    • Audit logging

Security Implementation

// Security Configuration
class SecurityConfig {
  static const Map<String, dynamic> settings = {
    'ssl': true,
    'apiVersion': 'v1',
    'tokenExpiry': 3600,
    'maxLoginAttempts': 5,
  };
  
  static Future<void> enforceSecurityPolicies() async {
    // Security policy enforcement
  }
}

Monitoring System

System Monitoring

  1. Performance Monitoring

    • Response times
    • Resource usage
    • Error rates
    • API latency
  2. User Monitoring

    • Session tracking
    • Feature usage
    • User behavior
    • Conversion rates

Monitoring Implementation

// Monitoring System
class MonitoringSystem {
  static Future<void> trackMetrics() async {
    // Metric tracking
  }
  
  static Future<void> generateAlerts() async {
    // Alert generation
  }
  
  static Future<void> logActivity() async {
    // Activity logging
  }
}

Deployment Architecture

Deployment Environments

  1. Development

    • Local development
    • Testing environment
    • Feature validation
    • Debug mode
  2. Staging

    • Pre-production
    • Integration testing
    • Performance testing
    • User acceptance
  3. Production

    • Live environment
    • Monitoring
    • Backup systems
    • Disaster recovery

Deployment Flow

graph TD
    A[Development] --> B[Code Review]
    B --> C[Automated Tests]
    C --> D[Staging Deploy]
    D --> E[QA Testing]
    E --> F[Production Deploy]
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Related Documentation

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