System Design

High-level system architecture documentation for Remind Tools.

System Overview

Component Architecture

Frontend Components

  • Presentation Layer: Flutter widgets and screens
  • State Management: BLoC + Riverpod
  • Navigation: GoRouter with deep linking
  • Local Storage: Hive for offline data

Backend Components

  • API Gateway: Supabase REST/GraphQL
  • Authentication: Supabase Auth with JWT
  • Real-time: WebSocket connections
  • Functions: Edge Functions for business logic

Data Flow

1

User Action

User interacts with Flutter UI
2

State Update

BLoC processes action and updates state
3

API Call

Repository layer makes API request
4

Backend Processing

Edge Function handles business logic
5

Data Persistence

PostgreSQL stores/retrieves data
6

Response

Data flows back through layers to UI

Scalability Considerations

  • Horizontal scaling via Supabase
  • CDN for static assets
  • Database connection pooling
  • Caching strategies
  • Load balancing