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refactor(cleanup): 사용하지 않는 코드 정리

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## 삭제된 파일

### 미사용 예외 클래스
- lib/core/errors/app_exceptions.dart
- lib/core/errors/data_exceptions.dart
  - 정의만 되어 있고 실제 코드에서 사용되지 않음
  - network_exceptions.dart는 활발히 사용 중이므로 유지

### 미사용 공통 위젯
- lib/core/widgets/empty_state_widget.dart
- lib/core/widgets/loading_indicator.dart
  - 정의만 되어 있고 다른 화면에서 import하지 않음
  - error_widget.dart는 share_screen에서 사용 중이므로 유지

### 미사용 디버그 위젯
- lib/presentation/pages/calendar/widgets/debug_test_data_banner.dart
  - 테스트 데이터 배너 위젯이지만 calendar_screen에서 사용하지 않음

### 백업 파일
- lib/data/api/naver_api_client.dart.backup
- lib/presentation/pages/restaurant_list/widgets/add_restaurant_dialog.dart.backup
  - 불필요한 백업 파일 정리

## 검증
- flutter analyze 통과
This commit is contained in:
JiWoong Sul
2025-12-22 19:45:22 +09:00
parent 42c609c57a
commit 32e25aeb07
7 changed files with 0 additions and 2092 deletions
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142
lib/core/errors/app_exceptions.dart
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/// 애플리케이션 전체 예외 클래스들
///
/// 각 레이어별로 명확한 예외 계층 구조를 제공합니다.
/// 앱 예외 기본 클래스
abstract class AppException implements Exception {
final String message;
final String? code;
final dynamic originalError;
const AppException({required this.message, this.code, this.originalError});
@override
String toString() =>
'$runtimeType: $message${code != null ? ' (코드: $code)' : ''}';
}
/// 비즈니스 로직 예외
class BusinessException extends AppException {
const BusinessException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}
/// 검증 예외
class ValidationException extends AppException {
final Map<String, String>? fieldErrors;
const ValidationException({
required String message,
this.fieldErrors,
String? code,
}) : super(message: message, code: code);
@override
String toString() {
final base = super.toString();
if (fieldErrors != null && fieldErrors!.isNotEmpty) {
final errors = fieldErrors!.entries
.map((e) => '${e.key}: ${e.value}')
.join(', ');
return '$base [필드 오류: $errors]';
}
return base;
}
}
/// 데이터 예외
class DataException extends AppException {
const DataException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}
/// 저장소 예외
class StorageException extends DataException {
const StorageException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}
/// 권한 예외
class PermissionException extends AppException {
final String permission;
const PermissionException({
required String message,
required this.permission,
String? code,
}) : super(message: message, code: code);
@override
String toString() => '$runtimeType: $message (권한: $permission)';
}
/// 위치 서비스 예외
class LocationException extends AppException {
const LocationException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}
/// 설정 예외
class ConfigurationException extends AppException {
const ConfigurationException({required String message, String? code})
: super(message: message, code: code);
}
/// UI 예외
class UIException extends AppException {
const UIException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}
/// 리소스를 찾을 수 없음 예외
class NotFoundException extends AppException {
final String resourceType;
final dynamic resourceId;
const NotFoundException({
required this.resourceType,
required this.resourceId,
String? message,
}) : super(
message: message ?? '$resourceType을(를) 찾을 수 없습니다 (ID: $resourceId)',
code: 'NOT_FOUND',
);
}
/// 중복 리소스 예외
class DuplicateException extends AppException {
final String resourceType;
const DuplicateException({required this.resourceType, String? message})
: super(message: message ?? '이미 존재하는 $resourceType입니다', code: 'DUPLICATE');
}
/// 추천 엔진 예외
class RecommendationException extends BusinessException {
const RecommendationException({required String message, String? code})
: super(message: message, code: code);
}
/// 알림 예외
class NotificationException extends AppException {
const NotificationException({
required String message,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
}

142
lib/core/errors/data_exceptions.dart
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/// 데이터 레이어 예외 클래스들
///
/// API, 데이터베이스, 파싱 관련 예외를 정의합니다.
import 'app_exceptions.dart';
/// API 예외 기본 클래스
abstract class ApiException extends DataException {
final int? statusCode;
const ApiException({
required String message,
this.statusCode,
String? code,
dynamic originalError,
}) : super(message: message, code: code, originalError: originalError);
@override
String toString() =>
'$runtimeType: $message${statusCode != null ? ' (HTTP $statusCode)' : ''}';
}
/// 네이버 API 예외
class NaverApiException extends ApiException {
const NaverApiException({
required String message,
int? statusCode,
String? code,
dynamic originalError,
}) : super(
message: message,
statusCode: statusCode,
code: code,
originalError: originalError,
);
}
/// HTML 파싱 예외
class HtmlParsingException extends DataException {
final String? url;
const HtmlParsingException({
required String message,
this.url,
dynamic originalError,
}) : super(
message: message,
code: 'HTML_PARSE_ERROR',
originalError: originalError,
);
@override
String toString() {
final base = super.toString();
return url != null ? '$base (URL: $url)' : base;
}
}
/// 데이터 변환 예외
class DataConversionException extends DataException {
final String fromType;
final String toType;
const DataConversionException({
required String message,
required this.fromType,
required this.toType,
dynamic originalError,
}) : super(
message: message,
code: 'DATA_CONVERSION_ERROR',
originalError: originalError,
);
@override
String toString() => '$runtimeType: $message ($fromType → $toType)';
}
/// 캐시 예외
class CacheException extends StorageException {
const CacheException({
required String message,
String? code,
dynamic originalError,
}) : super(
message: message,
code: code ?? 'CACHE_ERROR',
originalError: originalError,
);
}
/// Hive 예외
class HiveException extends StorageException {
const HiveException({
required String message,
String? code,
dynamic originalError,
}) : super(
message: message,
code: code ?? 'HIVE_ERROR',
originalError: originalError,
);
}
/// URL 처리 예외
class UrlProcessingException extends DataException {
final String url;
const UrlProcessingException({
required String message,
required this.url,
String? code,
dynamic originalError,
}) : super(
message: message,
code: code ?? 'URL_PROCESSING_ERROR',
originalError: originalError,
);
@override
String toString() => '$runtimeType: $message (URL: $url)';
}
/// 잘못된 URL 형식 예외
class InvalidUrlException extends UrlProcessingException {
const InvalidUrlException({required String url, String? message})
: super(
message: message ?? '올바르지 않은 URL 형식입니다',
url: url,
code: 'INVALID_URL',
);
}
/// 지원하지 않는 URL 예외
class UnsupportedUrlException extends UrlProcessingException {
const UnsupportedUrlException({required String url, String? message})
: super(
message: message ?? '지원하지 않는 URL입니다',
url: url,
code: 'UNSUPPORTED_URL',
);
}

149
lib/core/widgets/empty_state_widget.dart
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import 'package:flutter/material.dart';
import '../constants/app_colors.dart';
import '../constants/app_typography.dart';
/// 빈 상태 위젯
///
/// 데이터가 없을 때 표시하는 공통 위젯
class EmptyStateWidget extends StatelessWidget {
/// 제목
final String title;
/// 설명 메시지 (선택사항)
final String? message;
/// 아이콘 (선택사항)
final IconData? icon;
/// 아이콘 크기
final double iconSize;
/// 액션 버튼 텍스트 (선택사항)
final String? actionText;
/// 액션 버튼 콜백 (선택사항)
final VoidCallback? onAction;
/// 커스텀 위젯 (아이콘 대신 사용할 수 있음)
final Widget? customWidget;
const EmptyStateWidget({
super.key,
required this.title,
this.message,
this.icon,
this.iconSize = 80.0,
this.actionText,
this.onAction,
this.customWidget,
});
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return Center(
child: Padding(
padding: const EdgeInsets.all(32.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
// 아이콘 또는 커스텀 위젯
if (customWidget != null)
customWidget!
else if (icon != null)
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color:
(isDark ? AppColors.darkPrimary : AppColors.lightPrimary)
.withValues(alpha: 0.1),
shape: BoxShape.circle,
),
child: Icon(
icon,
size: iconSize,
color: isDark
? AppColors.darkTextSecondary
: AppColors.lightTextSecondary,
),
),
const SizedBox(height: 24),
// 제목
Text(
title,
style: AppTypography.heading2(isDark),
textAlign: TextAlign.center,
),
// 설명 메시지 (있을 경우)
if (message != null) ...[
const SizedBox(height: 12),
Text(
message!,
style: AppTypography.body2(isDark),
textAlign: TextAlign.center,
maxLines: 3,
overflow: TextOverflow.ellipsis,
),
],
// 액션 버튼 (있을 경우)
if (actionText != null && onAction != null) ...[
const SizedBox(height: 32),
ElevatedButton(
onPressed: onAction,
style: ElevatedButton.styleFrom(
backgroundColor: isDark
? AppColors.darkPrimary
: AppColors.lightPrimary,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 12,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: Text(
actionText!,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
),
),
),
],
],
),
),
);
}
}
/// 리스트 빈 상태 위젯
///
/// 리스트나 그리드가 비어있을 때 사용하는 특화된 위젯
class ListEmptyStateWidget extends StatelessWidget {
/// 아이템 유형 (예: "식당", "기록" 등)
final String itemType;
/// 추가 액션 콜백 (선택사항)
final VoidCallback? onAdd;
const ListEmptyStateWidget({super.key, required this.itemType, this.onAdd});
@override
Widget build(BuildContext context) {
return EmptyStateWidget(
icon: Icons.inbox_outlined,
title: '$itemType이(가) 없습니다',
message: '새로운 $itemType을(를) 추가해보세요',
actionText: onAdd != null ? '$itemType 추가' : null,
onAction: onAdd,
);
}
}

89
lib/core/widgets/loading_indicator.dart
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import 'package:flutter/material.dart';
import '../constants/app_colors.dart';
/// 로딩 인디케이터 위젯
///
/// 앱 전체에서 일관된 로딩 표시를 위한 공통 위젯
class LoadingIndicator extends StatelessWidget {
/// 로딩 메시지 (선택사항)
final String? message;
/// 인디케이터 크기
final double size;
/// 스트로크 너비
final double strokeWidth;
const LoadingIndicator({
super.key,
this.message,
this.size = 40.0,
this.strokeWidth = 4.0,
});
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
width: size,
height: size,
child: CircularProgressIndicator(
strokeWidth: strokeWidth,
valueColor: AlwaysStoppedAnimation<Color>(
isDark ? AppColors.darkPrimary : AppColors.lightPrimary,
),
),
),
if (message != null) ...[
const SizedBox(height: 16),
Text(
message!,
style: TextStyle(
fontSize: 14,
color: isDark
? AppColors.darkTextSecondary
: AppColors.lightTextSecondary,
),
textAlign: TextAlign.center,
),
],
],
),
);
}
}
/// 전체 화면 로딩 인디케이터
///
/// 화면 전체를 덮는 로딩 표시를 위한 위젯
class FullScreenLoadingIndicator extends StatelessWidget {
/// 로딩 메시지 (선택사항)
final String? message;
/// 배경 투명도
final double backgroundOpacity;
const FullScreenLoadingIndicator({
super.key,
this.message,
this.backgroundOpacity = 0.5,
});
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return Container(
color: (isDark ? Colors.black : Colors.white).withValues(
alpha: backgroundOpacity,
),
child: LoadingIndicator(message: message),
);
}
}