620 lines
21 KiB
Markdown
620 lines
21 KiB
Markdown
## Apskel Owner Flutter
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A POS (Point of Sale) application for business owners, built with Flutter. The project follows a layered architecture (presentation → application → domain → infrastructure) with dependency injection, state management, automated routing, internationalization, and code generation.
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---
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### Contents
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- Technical Summary
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- Requirements & Setup
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- Running the App
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- Architecture Overview
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- Project Structure
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- Key Dependencies & Purpose
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- Code Generation (see docs/codegen.md)
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- Internationalization (i18n)
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- Theming & Assets
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- Environment Configuration (`env.dart`)
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- Development Practices
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---
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## Technical Summary
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- SDK: Flutter (Material) with Dart ^3.8.1
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- Targets: Android, iOS, Web, Desktop (Windows, macOS, Linux)
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- State management: `flutter_bloc`
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- Routing: `auto_route`
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- Dependency Injection: `get_it` + `injectable`
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- HTTP Client: `dio` (+ `awesome_dio_interceptor`)
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- Data class & serialization: `freezed` + `json_serializable`
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- Localization: `flutter_localizations`, `l10n/*.arb`
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- Assets generation: `flutter_gen`
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---
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## Requirements & Setup
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### Prerequisites
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- Flutter SDK installed as per the official guide (`https://flutter.dev/docs/get-started/install`)
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- Dart version per constraint: ^3.8.1
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- For code generation only: FVM + Flutter 3.41.9 (`dart pub global activate fvm && fvm install 3.41.9`) — see [docs/codegen.md](docs/codegen.md)
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### Installation
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```bash
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git clone <your-repo-url>
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cd apskel_owner_flutter
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flutter pub get
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```
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### Code generation (required after clone or when annotations change)
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> **Do not run codegen with Flutter 3.47 / Dart 3.13** — every builder crashes with
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> `Missing implementation of visitDotShorthandPropertyAccess`. Codegen must run on Flutter 3.41.9
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> (Dart 3.11.5) via FVM. Full setup, commands, and troubleshooting: **[docs/codegen.md](docs/codegen.md)**.
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```powershell
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$FVM = "$env:USERPROFILE\fvm\versions\3.41.9\bin"
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& "$FVM\flutter.bat" pub get
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& "$FVM\dart.bat" run build_runner build --delete-conflicting-outputs
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flutter pub get # restore lockfile resolution for the global SDK
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```
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> Re-run whenever you change files using `@RoutePage()`, `@injectable`, `@freezed`, or `@JsonSerializable`.
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---
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## Running the App
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```bash
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flutter run
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```
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Select a specific device/platform:
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```bash
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flutter run -d chrome
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flutter run -d ios
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flutter run -d android
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```
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Example release builds:
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```bash
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flutter build apk --release
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flutter build ios --release
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flutter build web --release
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```
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---
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## Architecture Overview
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The codebase follows a clean, layered approach that separates concerns and keeps features modular and testable:
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- Presentation (`lib/presentation`): Widgets, pages/screens, and the `AutoRoute` router. Contains only UI code and wiring to BLoC/Cubit.
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- Application (`lib/application`): BLoC/Cubit and application-level orchestration. Holds input validation, state transitions, and calls into the Domain layer.
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- Domain (`lib/domain`): Pure business logic. Entities, value objects, repository interfaces, and (optional) use-cases. No framework dependencies.
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- Infrastructure (`lib/infrastructure`): Repository implementations, DTOs, and data sources (HTTP/DB). Performs `dio` calls and mappings between DTOs and Domain entities.
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- Common (`lib/common`): Cross-cutting helpers such as API base, DI setup, constants, extensions, theme, validators, and utilities.
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Data flow in a feature:
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1. UI triggers an intent/event in Presentation →
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2. Application layer BLoC/Cubit handles the event and calls a repository/use-case from Domain →
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3. Infrastructure implements the repository, performs network calls via `dio`, and maps results →
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4. Data is converted to Domain entities and returned to Application →
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5. Application updates state, Presentation rebuilds UI accordingly.
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Cross-cutting concerns:
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- Dependency Injection: `get_it` + `injectable` auto-register services/repositories (`injection.dart`, `injection.config.dart`).
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- Routing: `auto_route` defines typed routes, generated into router files in `presentation/router`.
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- State: `flutter_bloc` models states/events and isolates side-effects in BLoCs/Cubits.
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- Networking: `dio` with interceptors for logging and error handling.
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- Error handling: functional style with `dartz` (`Either`, `Option`) or well-defined BLoC states.
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- i18n: ARB files in `lib/l10n/` and generated localization delegates.
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- Theming: centralized theme under `lib/common/theme/` with shared design tokens.
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- Assets: managed under `assets/` and referenced via FlutterGen outputs at `lib/presentation/components/assets/`.
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---
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## Project Structure
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```
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lib/
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application/ # BLoC/cubit per feature (analytic, auth, product, etc.)
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common/
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api/ # Base API client, endpoint helper
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constant/ # Application constants
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di/ # Dependency injection setup (get_it, injectable)
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extension/ # Extensions
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function/ # General utility functions
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network/ # Connectivity checks, handlers
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painter/ # Custom painters
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theme/ # Colors, text styles, theming
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url/ # Base URL/endpoints
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utils/ # Other helpers
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validator/ # Input validators
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domain/
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<feature>/ # Entities, repo interfaces, (use-cases if present)
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infrastructure/
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<feature>/ # Repo implementations, DTOs, API calls
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l10n/ # ARB sources for i18n + generated localizations
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presentation/
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components/ # Reusable widgets
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pages/ # Feature pages/screens
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router/ # AutoRoute definitions
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env.dart # Environment configuration (BASE_URL, etc.)
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injection.dart # DI entry point
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injection.config.dart # DI generated
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main.dart # Application entry point
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assets/
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images/, icons/, json/, fonts/
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```
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---
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## Key Dependencies & Purpose
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Runtime:
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- `auto_route`: Automated, typed routing based on annotations.
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- `flutter_bloc`: State management with BLoC/Cubit.
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- `get_it`, `injectable`: Service locator + codegen for DI.
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- `dio`, `awesome_dio_interceptor`: HTTP client + logging interceptor.
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- `freezed_annotation`, `json_annotation`: Annotations for immutable data classes & JSON.
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- `dartz`: Functional types (Either, Option) for explicit error handling.
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- `connectivity_plus`, `device_info_plus`, `package_info_plus`: Device and connectivity info.
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- `shared_preferences`: Local key-value storage.
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- `image_picker`, `permission_handler`, `open_file`, `url_launcher`: OS/device integrations.
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- UI: `flutter_svg`, `line_icons`, `flutter_spinkit`, `fl_chart`, `another_flushbar`, `table_calendar`, `shimmer`, `cached_network_image`, `syncfusion_flutter_datepicker`, `pdf`.
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Dev:
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- `build_runner`: Code generation orchestration.
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- `auto_route_generator`, `injectable_generator`, `freezed`, `json_serializable`: Related generators.
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- `flutter_gen_runner`: Typed asset access generator.
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- `flutter_lints`: Recommended Flutter lints.
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- `flutter_launcher_icons`: Launcher icon generation.
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Refer to `pubspec.yaml` for full version constraints.
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---
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## Code Generation
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**Full guide: [docs/codegen.md](docs/codegen.md)** — read it before your first codegen run.
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Codegen runs on a pinned SDK (Flutter 3.41.9 / Dart 3.11.5 via FVM), not on the global Flutter 3.47:
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`freezed 2.5.8` caps `analyzer` below 8.0.0, and analyzer 7.7.1 crashes on the dot-shorthand syntax
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used by Dart 3.13 sources. The app itself still runs and builds with the global SDK.
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Common commands:
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```powershell
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$FVM = "$env:USERPROFILE\fvm\versions\3.41.9\bin"
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& "$FVM\flutter.bat" pub get
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& "$FVM\dart.bat" run build_runner build --delete-conflicting-outputs
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# or watch
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& "$FVM\dart.bat" run build_runner watch --delete-conflicting-outputs
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flutter pub get # restore lockfile resolution for the global SDK
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```
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> `--delete-conflicting-outputs` wipes every generated file first. If you cancel the build midway,
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> restore them with `git checkout` — see the troubleshooting table in [docs/codegen.md](docs/codegen.md).
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### Asset generation (flutter_gen_runner)
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`flutter_gen_runner` is integrated with `build_runner`. Running the commands above will also generate typed accessors for assets based on the `flutter_gen` section in `pubspec.yaml`:
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- Output path: `lib/presentation/components/assets/`
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- SVG integration: enabled (`flutter_svg: true`)
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Usage in code example (after generation):
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```dart
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// Example usage
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// import 'presentation/components/assets/assets.gen.dart';
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// Image.asset(Assets.images.logo.path);
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```
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Generators used:
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- AutoRoute: Generates router and typed routes.
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- Injectable: Generates DI registrations (`injection.config.dart`).
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- Freezed: Generates immutable data classes, copyWith, unions, etc.
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- Json Serializable: Generates toJson/fromJson for DTOs.
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- FlutterGen: Generates static asset access under `lib/presentation/components/assets/`.
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---
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## Internationalization (i18n)
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- Source files live in `lib/l10n/app_*.arb` (e.g., `app_en.arb`, `app_id.arb`).
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- To add a language: create `app_<code>.arb`, then run code generation.
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- Ensure `MaterialApp` is wired with `localizationsDelegates` and `supportedLocales` (already prepared).
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---
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## Theming & Assets
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- Theme files live under `lib/common/theme/`.
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- Fonts: `Quicksand` family is declared in `pubspec.yaml`.
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- Assets: `assets/images/`, `assets/icons/`, `assets/json/` – referenced via FlutterGen outputs at `lib/presentation/components/assets/`.
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---
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## Environment Configuration (`env.dart`)
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The `lib/env.dart` file stores configuration values such as base URLs and debug flags. Adjust per environment (development/production) using flavors, environment variables, or branching as preferred by the team.
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---
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## Development Practices
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- Routing: Define routes in `presentation/router`, then run code generation.
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- DI: Annotate services/repositories with `@injectable`/`@LazySingleton`, generate code, and call `configureDependencies()` early in app startup.
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- BLoC: Keep UI logic in the `application` layer and use `BlocBuilder`/`BlocListener` in the `presentation` layer.
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- DTO ↔ Entity: Mapping resides in the `infrastructure` layer to keep domain pure.
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- Error handling: Prefer `Either`/`Option` (`dartz`) or well-structured BLoC states.
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- Linting: Follow `analysis_options.yaml`.
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---
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## Useful Commands
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```bash
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# Install dependencies
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flutter pub get
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# Format & Analyze
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flutter format .
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flutter analyze
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# Localization (safe on the global SDK)
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flutter gen-l10n
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# Run by device
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flutter devices
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flutter run -d <device-id>
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```
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Code generation uses the pinned FVM SDK — see [docs/codegen.md](docs/codegen.md):
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```powershell
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& "$env:USERPROFILE\fvm\versions\3.41.9\bin\dart.bat" run build_runner build --delete-conflicting-outputs
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```
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---
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## Additional Notes
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- Launcher icons configured via `launcher_icon.yaml`.
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- Platform-specific configuration (Android/iOS/Web/Desktop) resides in respective platform folders.
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- Review `analysis_options.yaml` for code style and lint rules.
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---
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## Launcher Icons
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Configured via `launcher_icon.yaml` at the repository root. To (re)generate launcher icons, run:
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```bash
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dart run flutter_launcher_icons -f launcher_icon.yaml
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```
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If you prefer the Flutter shim:
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```bash
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flutter pub run flutter_launcher_icons -f launcher_icon.yaml
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```
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Ensure you have the package in `dev_dependencies` (`flutter_launcher_icons`).
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## Contributing
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1. Branch off `main`.
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2. Make focused changes and provide a clear PR description.
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3. Ensure build, lints, and codegen are clean before opening the PR.
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---
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## License
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This project is private/internal. Contact the repository owner for usage permissions.
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## Apskel Owner Flutter
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Aplikasi Point of Sale (POS) untuk pemilik usaha, dibangun dengan Flutter. Proyek ini menerapkan arsitektur berlapis (presentation → application → domain → infrastructure) dengan dependency injection, state management, routing terotomasi, internationalization, dan code generation.
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---
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### Isi Dokumen
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- Ringkasan Teknis
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- Persyaratan & Setup
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- Menjalankan Aplikasi
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- Arsitektur & Alur
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- Struktur Proyek
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- Dependensi Utama & Fungsinya
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- Code Generation (lihat docs/codegen.md)
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- Internationalization (i18n)
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- Theming & Assets
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- Konfigurasi Lingkungan (`env.dart`)
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- Praktik Pengembangan
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---
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## Ringkasan Teknis
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- SDK: Flutter (Material) dengan Dart ^3.8.1
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- Target platform: Android, iOS, Web, Desktop (Windows, macOS, Linux)
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- State management: `flutter_bloc`
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- Routing: `auto_route`
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- Dependency Injection: `get_it` + `injectable`
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- HTTP Client: `dio` (+ `awesome_dio_interceptor`)
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- Data class & serialization: `freezed` + `json_serializable`
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- Localization: `flutter_localizations`, `l10n/*.arb`
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- Assets generation: `flutter_gen`
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---
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## Persyaratan & Setup
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### Prasyarat
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- Flutter SDK terpasang sesuai panduan resmi (`https://flutter.dev/docs/get-started/install`)
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- Versi Dart sesuai constraint: ^3.8.1
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- Khusus untuk code generation: FVM + Flutter 3.41.9 (`dart pub global activate fvm && fvm install 3.41.9`) — lihat [docs/codegen.md](docs/codegen.md)
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### Instalasi
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```bash
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git clone <repo-url-anda>
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cd apskel_owner_flutter
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flutter pub get
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```
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### Generate kode (wajib setelah clone atau mengubah anotasi)
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> **Jangan jalankan codegen dengan Flutter 3.47 / Dart 3.13** — semua builder crash dengan
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> `Missing implementation of visitDotShorthandPropertyAccess`. Codegen harus memakai Flutter 3.41.9
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> (Dart 3.11.5) via FVM. Setup, perintah, dan troubleshooting lengkap: **[docs/codegen.md](docs/codegen.md)**.
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```powershell
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$FVM = "$env:USERPROFILE\fvm\versions\3.41.9\bin"
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& "$FVM\flutter.bat" pub get
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& "$FVM\dart.bat" run build_runner build --delete-conflicting-outputs
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flutter pub get # kembalikan resolusi lockfile ke SDK global
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```
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> Jalankan ulang perintah di atas setiap kali Anda mengubah file yang menggunakan anotasi `@RoutePage()`, `@injectable`, `@freezed`, atau `@JsonSerializable`.
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---
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## Menjalankan Aplikasi
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```bash
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flutter run
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```
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Menentukan platform/target tertentu:
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```bash
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flutter run -d chrome
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flutter run -d ios
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flutter run -d android
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```
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Build release contoh:
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```bash
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flutter build apk --release
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flutter build ios --release
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flutter build web --release
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```
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---
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## Arsitektur & Alur
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Proyek mengikuti layering yang jelas:
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- Presentation (`lib/presentation`): UI, widget, halaman, router.
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- Application (`lib/application`): BLoC/cubit, use-case orkestra ringan, validasi input UI.
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- Domain (`lib/domain`): Entitas, value object, repository interface, use-case (jika ada).
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- Infrastructure (`lib/infrastructure`): Implementasi repository, data source (API/DB), mapping DTO.
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- Common (`lib/common`): Utilitas umum, konstanta, theme, API base, DI bootstrap, extension, dll.
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Alur umum:
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1. UI memicu event →
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2. BLoC di layer Application memanggil use-case/repo (Domain) →
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3. Implementasi repo (Infrastructure) melakukan HTTP via `dio` →
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4. Response dipetakan menjadi entity/domain →
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5. State di-update kembali ke UI.
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---
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## Struktur Proyek
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```
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lib/
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application/ # BLoC/cubit per fitur (analytic, auth, product, dst.)
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common/
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api/ # Base API client, endpoint helper
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constant/ # Konstanta aplikasi
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di/ # Setup dependency injection (get_it, injectable)
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extension/ # Extension util
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function/ # Fungsi util umum
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network/ # Cek konektivitas, handler
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painter/ # Custom painter
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theme/ # Warna, text styles, theming
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url/ # Base URL/endpoint
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utils/ # Helper lain
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validator/ # Validator input
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domain/
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<feature>/ # Entity, repo interface, (use-case bila ada)
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infrastructure/
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<feature>/ # Repo implementation, DTO, pemanggilan API
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l10n/ # Berkas ARB untuk i18n + generated localizations
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presentation/
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components/ # Widget reusable
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pages/ # Halaman/layar fitur
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router/ # Definisi AutoRoute
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env.dart # Konfigurasi environment (BASE_URL, dsb)
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injection.dart # Entry point DI
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injection.config.dart # DI generated
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main.dart # Entrypoint aplikasi
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assets/
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images/, icons/, json/, fonts/
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```
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---
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## Dependensi Utama & Fungsinya
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|
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Runtime:
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- `auto_route`: Routing terotomasi berbasis anotasi.
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- `flutter_bloc`: State management dengan BLoC/Cubit.
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- `get_it`, `injectable`: Service locator + codegen untuk DI.
|
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- `dio`, `awesome_dio_interceptor`: HTTP client + logging interceptor.
|
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- `freezed_annotation`, `json_annotation`: Anotasi untuk data class immutable & JSON.
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- `dartz`: Functional types (Either, Option) untuk error handling yang eksplisit.
|
||
- `connectivity_plus`, `device_info_plus`, `package_info_plus`: Info perangkat & konektivitas.
|
||
- `shared_preferences`: Penyimpanan key-value lokal.
|
||
- `image_picker`, `permission_handler`, `open_file`, `url_launcher`: Integrasi perangkat/OS.
|
||
- UI: `flutter_svg`, `line_icons`, `flutter_spinkit`, `fl_chart`, `another_flushbar`, `table_calendar`, `shimmer`, `cached_network_image`, `syncfusion_flutter_datepicker`, `pdf`.
|
||
|
||
Dev:
|
||
|
||
- `build_runner`: Orkestrasi code generation.
|
||
- `auto_route_generator`, `injectable_generator`, `freezed`, `json_serializable`: Generator terkait.
|
||
- `flutter_gen_runner`: Generator akses asset terketik.
|
||
- `flutter_lints`: Linter rekomendasi Flutter.
|
||
- `flutter_launcher_icons`: Generate icon launcher.
|
||
|
||
Catatan versi lengkap tersedia di `pubspec.yaml`.
|
||
|
||
---
|
||
|
||
## Code Generation
|
||
|
||
**Panduan lengkap: [docs/codegen.md](docs/codegen.md)** — baca dulu sebelum codegen pertama kali.
|
||
|
||
Codegen dijalankan dengan SDK terpisah (Flutter 3.41.9 / Dart 3.11.5 via FVM), bukan Flutter global 3.47:
|
||
`freezed 2.5.8` mengunci `analyzer` di bawah 8.0.0, dan analyzer 7.7.1 crash pada sintaks *dot-shorthand*
|
||
milik Dart 3.13. Aplikasinya sendiri tetap di-`run`/`build` dengan SDK global.
|
||
|
||
Perintah umum:
|
||
|
||
```powershell
|
||
$FVM = "$env:USERPROFILE\fvm\versions\3.41.9\bin"
|
||
|
||
& "$FVM\flutter.bat" pub get
|
||
& "$FVM\dart.bat" run build_runner build --delete-conflicting-outputs
|
||
# atau untuk watch
|
||
& "$FVM\dart.bat" run build_runner watch --delete-conflicting-outputs
|
||
flutter pub get # kembalikan resolusi lockfile ke SDK global
|
||
```
|
||
|
||
> `--delete-conflicting-outputs` menghapus semua file generated lebih dulu. Kalau build dibatalkan di
|
||
> tengah jalan, pulihkan dengan `git checkout` — lihat tabel troubleshooting di [docs/codegen.md](docs/codegen.md).
|
||
|
||
Generator yang digunakan:
|
||
|
||
- AutoRoute: menghasilkan deklarasi router & route.
|
||
- Injectable: menghasilkan registrasi DI (`injection.config.dart`).
|
||
- Freezed: menghasilkan data class immutable, copyWith, union, dsb.
|
||
- Json Serializable: menghasilkan toJson/fromJson untuk DTO.
|
||
- FlutterGen: menghasilkan akses asset statis di `lib/presentation/components/assets/`.
|
||
|
||
---
|
||
|
||
## Internationalization (i18n)
|
||
|
||
- Berkas sumber ada di `lib/l10n/app_*.arb` (contoh: `app_en.arb`, `app_id.arb`).
|
||
- Bahasa baru: tambahkan `app_<kode>.arb`, jalankan code generation.
|
||
- Pastikan `MaterialApp` menggunakan `localizationsDelegates` dan `supportedLocales` (sudah disiapkan).
|
||
|
||
---
|
||
|
||
## Theming & Assets
|
||
|
||
- Theme ada di `lib/common/theme/`.
|
||
- Font: keluarga `Quicksand` dideklarasikan di `pubspec.yaml`.
|
||
- Assets: `assets/images/`, `assets/icons/`, `assets/json/` – akses via FlutterGen yang dihasilkan ke `lib/presentation/components/assets/`.
|
||
|
||
---
|
||
|
||
## Konfigurasi Lingkungan (`env.dart`)
|
||
|
||
File `lib/env.dart` menyimpan nilai konfigurasi seperti base URL, flag debug, dll. Sesuaikan untuk development/production (bisa dengan flavor, env var, atau branch khusus sesuai kebutuhan tim).
|
||
|
||
---
|
||
|
||
## Praktik Pengembangan
|
||
|
||
- Routing: definisikan route di `presentation/router`, jalankan codegen.
|
||
- DI: daftarkan service/repository dengan anotasi `@injectable`/`@LazySingleton`, lalu generate, dan panggil `configureDependencies()` di awal aplikasi.
|
||
- BLoC: simpan logic UI di layer `application` dan gunakan `BlocBuilder`/`BlocListener` di layer `presentation`.
|
||
- DTO ↔ Entity: mapping berada di layer `infrastructure` untuk menjaga domain tetap bersih.
|
||
- Error handling: gunakan `Either`/`Option` (`dartz`) atau state terstruktur di BLoC.
|
||
- Lint: patuhi aturan `analysis_options.yaml`.
|
||
|
||
---
|
||
|
||
## Perintah Berguna
|
||
|
||
```bash
|
||
# Install dependencies
|
||
flutter pub get
|
||
|
||
# Format & Analyze
|
||
flutter format .
|
||
flutter analyze
|
||
|
||
# Localization (aman dengan SDK global)
|
||
flutter gen-l10n
|
||
|
||
# Run by device
|
||
flutter devices
|
||
flutter run -d <device-id>
|
||
```
|
||
|
||
Code generation memakai SDK FVM yang di-pin — lihat [docs/codegen.md](docs/codegen.md):
|
||
|
||
```powershell
|
||
& "$env:USERPROFILE\fvm\versions\3.41.9\bin\dart.bat" run build_runner build --delete-conflicting-outputs
|
||
```
|
||
|
||
---
|
||
|
||
## Catatan Tambahan
|
||
|
||
- Icon launcher dikonfigurasi di `launcher_icon.yaml` (gunakan `flutter pub run flutter_launcher_icons` bila diperlukan).
|
||
- Konfigurasi platform (Android/iOS/Web/Desktop) berada pada folder platform terkait.
|
||
- Pastikan meninjau `analysis_options.yaml` untuk standar code style dan lints.
|
||
|
||
---
|
||
|
||
## Kontribusi
|
||
|
||
1. Buat branch dari `main`.
|
||
2. Lakukan perubahan terfokus dan sertakan deskripsi yang jelas pada PR.
|
||
3. Pastikan build, lints, dan codegen bersih sebelum mengajukan PR.
|
||
|
||
---
|
||
|
||
## Lisensi
|
||
|
||
Proyek ini bersifat privat/internal. Hubungi pemilik repositori untuk detail izin penggunaan.
|