initial commit (migrated)

lib/core/presentation/bloc/app_bloc_observer.dart

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+// ignore_for_file: public_member_api_docs, strict_raw_type
+
+import 'dart:developer' as dev;
+
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class AppBlocObserver extends BlocObserver {
+  @override
+  void onError(BlocBase bloc, Object error, StackTrace stackTrace) {
+    dev.log("[bloc_error] $bloc\nerror: $error\nstacktrace: $stackTrace");
+    super.onError(bloc, error, stackTrace);
+  }
+
+  @override
+  void onChange(BlocBase bloc, Change change) {
+    dev.log(
+      "[${bloc.runtimeType}] ${DateTime.now().toIso8601String()}\nFrom: ${change.currentState}\nNext: ${change.nextState}",
+    );
+    super.onChange(bloc, change);
+  }
+}

lib/core/presentation/bloc/config/theme_mode_cubit.dart

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+import 'package:kuwot/core/data/local/config.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+/// Theme mode cubit for theme mode management
+class ThemeModeCubit extends Cubit<ThemeMode> {
+  /// Default [ThemeMode] is [ThemeMode.system]
+  ThemeModeCubit({
+    required this.themeModeConfig,
+    required this.initialThemeMode,
+  }) : super(initialThemeMode);
+
+  /// Theme mode config
+  final Config<ThemeMode> themeModeConfig;
+
+  /// Initial theme mode
+  final ThemeMode initialThemeMode;
+
+  /// Set theme mode
+  void setThemeMode(ThemeMode themeMode) {
+    themeModeConfig.set(themeMode);
+    emit(themeMode);
+  }
+}

lib/core/presentation/bloc/config/translation_target_cubit.dart

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+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:kuwot/core/data/local/config.dart';
+import 'package:kuwot/core/data/local/translation_target_config.dart';
+
+class TranslationTargetCubit extends Cubit<TranslationTarget> {
+  TranslationTargetCubit({
+    required this.translationTargetConfig,
+    required this.initialTranslationTarget,
+  }) : super(initialTranslationTarget);
+
+  final Config<TranslationTarget> translationTargetConfig;
+  final TranslationTarget initialTranslationTarget;
+
+  void set(TranslationTarget translationTarget) {
+    translationTargetConfig.set(translationTarget);
+    emit(translationTarget);
+  }
+}

lib/core/presentation/bloc/error_state.dart

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+abstract class ErrorState {
+  final String message;
+  final Exception? cause;
+
+  const ErrorState({required this.message, this.cause});
+}

lib/core/presentation/error_retry_snackbar.dart

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+import 'package:flutter/material.dart';
+
+class ErrorRetrySnackbar {
+  final BuildContext context;
+  final String errorMessage;
+  final VoidCallback onRetry;
+
+  const ErrorRetrySnackbar(
+    this.context, {
+    required this.errorMessage,
+    required this.onRetry,
+  });
+
+  SnackBar _build() {
+    return SnackBar(
+      behavior: SnackBarBehavior.floating,
+      duration: const Duration(days: 1),
+      backgroundColor: Colors.red[600],
+      content: Text(errorMessage),
+      action: SnackBarAction(
+        textColor: Colors.white,
+        label: 'RETRY',
+        onPressed: () {
+          onRetry();
+          ScaffoldMessenger.of(context).hideCurrentSnackBar();
+        },
+      ),
+    );
+  }
+
+  static void show(
+    BuildContext context, {
+    required String errorMessage,
+    required VoidCallback onRetry,
+  }) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      ErrorRetrySnackbar(
+        context,
+        errorMessage: errorMessage,
+        onRetry: onRetry,
+      )._build(),
+    );
+  }
+}

lib/core/presentation/theme/app_theme.dart

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+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+
+/// App light theme
+ThemeData lightTheme = ThemeData(
+  colorScheme: ColorScheme.fromSeed(seedColor: const Color(0xFF343A40)),
+  useMaterial3: true,
+  fontFamily: GoogleFonts.dmSans().fontFamily,
+);
+
+/// App dark theme
+ThemeData darkTheme = ThemeData(
+  colorScheme: ColorScheme.fromSeed(
+    seedColor: const Color(0xFF212529),
+    brightness: Brightness.dark,
+  ),
+  useMaterial3: true,
+  fontFamily: GoogleFonts.dmSans().fontFamily,
+);