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Clean Architecture with a Feature-First folder structure

Here is exactly what you can say depending on who asks:

1. The 1-Line Quick Answer (For non-technical people or quick updates)

"The app is built using Flutter with Feature-First Clean Architecture and BLoC for state management, using Dio for REST API integration and go_router for navigation."

2. The Technical Answer (For Tech Leads or Interviews)

"We follow Clean Architecture with a Feature-First folder structure:"

  1. State Management: We use the BLoC Pattern (flutter_bloc) to separate UI from business logic.
  2. Data Layer: We use the Repository Pattern and Data Sources with Dio for API communication.
  3. Networking & Auth: Outgoing requests pass through an AuthInterceptor to attach Bearer Tokens dynamically, and token storage is handled via SecureStorageService.
  4. Navigation & Routing: Managed via go_router with support for deep linking, route parameters, and guest navigation skips.
  5. Guest Mode Architecture: We use a centralized GuestUtils guard pattern to allow guest browsing while protecting account-specific features like Likes, Comments, Bookmarks, and Profile.

3. If They Ask: "Why did you choose this architecture?"

"We chose Feature-First Clean Architecture because:"

  • Scalability: Each feature (home, auth, profile, article) lives in its own isolated module, making it easy for multiple developers to work without git conflicts.
  • Maintainability: The Repository Pattern decouples data sources from UI. If backend API endpoints change, we only update the Data Source layer without touching the UI.
  • Security & Clean UX: Features like Guest Access are guarded centrally, so guest users get clear prompts without crashing or firing invalid API calls.

 

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