backup: 사용하지 않는 파일 삭제 전 복구 지점

- 전체 371개 파일 중 82개 미사용 파일 식별
- Phase 1: 33개 파일 삭제 예정 (100% 안전)
- Phase 2: 30개 파일 삭제 검토 예정
- Phase 3: 19개 파일 수동 검토 예정

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

lib/data/datasources/remote/equipment_remote_datasource.dart

@@ -10,6 +10,7 @@ abstract class EquipmentRemoteDataSource {
     int page = 1,
     int perPage = 20,
     String? search,
+    int? companyId,
   });
   
   Future<EquipmentDto> createEquipment(EquipmentRequestDto request);
@@ -19,22 +20,56 @@ abstract class EquipmentRemoteDataSource {
   Future<EquipmentDto> updateEquipment(int id, EquipmentUpdateRequestDto request);
   
   Future<void> deleteEquipment(int id);
+
+  Future<EquipmentDto> restoreEquipment(int id);
+
+  Future<EquipmentDto> getEquipmentBySerial(String serial);
+
+  Future<EquipmentDto> getEquipmentByBarcode(String barcode);
+
+  Future<List<EquipmentDto>> getEquipmentsByCompany(int companyId);
 }
 
 class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
   final ApiClient _apiClient = GetIt.instance<ApiClient>();
 
+  /// DioException을 ServerException으로 변환하는 헬퍼 메서드
+  Never _handleDioException(DioException e) {
+    String errorMessage = 'Network error occurred';
+    
+    if (e.response?.data != null) {
+      // 응답 데이터가 Map인 경우 (JSON 에러)
+      if (e.response!.data is Map<String, dynamic>) {
+        final errorData = e.response!.data as Map<String, dynamic>;
+        errorMessage = errorData['error']?['message'] ?? 
+                      errorData['message'] ?? 
+                      'Server error occurred';
+      } 
+      // 응답 데이터가 String인 경우 (Plain text 에러)
+      else if (e.response!.data is String) {
+        errorMessage = e.response!.data as String;
+      }
+    }
+    
+    throw ServerException(
+      message: errorMessage,
+      statusCode: e.response?.statusCode,
+    );
+  }
+
   @override
   Future<EquipmentListResponse> getEquipments({
     int page = 1,
     int perPage = 20,
     String? search,
+    int? companyId,
   }) async {
     try {
       final queryParams = <String, dynamic>{
         'page': page,
         'page_size': perPage,
         if (search != null && search.isNotEmpty) 'search': search,
+        if (companyId != null) 'company_id': companyId,
       };
 
       final response = await _apiClient.get(
@@ -48,10 +83,7 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
       final Map<String, dynamic> responseData = response.data;
       return EquipmentListResponse.fromJson(responseData);
     } on DioException catch (e) {
-      throw ServerException(
-        message: e.response?.data['message'] ?? 'Network error occurred',
-        statusCode: e.response?.statusCode,
-      );
+      _handleDioException(e);
     }
   }
 
@@ -74,10 +106,7 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
         return EquipmentDto.fromJson(responseData);
       }
     } on DioException catch (e) {
-      throw ServerException(
-        message: e.response?.data['message'] ?? 'Network error occurred',
-        statusCode: e.response?.statusCode,
-      );
+      _handleDioException(e);
     }
   }
 
@@ -97,10 +126,7 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
         return EquipmentDto.fromJson(responseData);
       }
     } on DioException catch (e) {
-      throw ServerException(
-        message: e.response?.data['message'] ?? 'Network error occurred',
-        statusCode: e.response?.statusCode,
-      );
+      _handleDioException(e);
     }
   }
 
@@ -133,10 +159,7 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
         return EquipmentDto.fromJson(responseData);
       }
     } on DioException catch (e) {
-      throw ServerException(
-        message: e.response?.data['message'] ?? 'Network error occurred',
-        statusCode: e.response?.statusCode,
-      );
+      _handleDioException(e);
     }
   }
 
@@ -144,9 +167,74 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
   Future<void> deleteEquipment(int id) async {
     try {
       await _apiClient.delete('${ApiEndpoints.equipment}/$id');
+    } on DioException catch (e) {
+      _handleDioException(e);
+    }
+  }
+
+  @override
+  Future<EquipmentDto> restoreEquipment(int id) async {
+    try {
+      final response = await _apiClient.put('${ApiEndpoints.equipment}/$id/restore');
+      
+      // 백엔드 응답 구조에 따라 data 필드에서 추출
+      final responseData = response.data;
+      return EquipmentDto.fromJson(responseData['data'] ?? responseData);
     } on DioException catch (e) {
       throw ServerException(
-        message: e.response?.data['message'] ?? 'Network error occurred',
+        message: e.response?.data['message'] ?? 'Failed to restore equipment',
+        statusCode: e.response?.statusCode,
+      );
+    }
+  }
+
+  @override
+  Future<EquipmentDto> getEquipmentBySerial(String serial) async {
+    try {
+      final response = await _apiClient.get('${ApiEndpoints.equipment}/serial/$serial');
+      
+      // 백엔드 응답 구조에 따라 data 필드에서 추출
+      final responseData = response.data;
+      return EquipmentDto.fromJson(responseData['data'] ?? responseData);
+    } on DioException catch (e) {
+      throw ServerException(
+        message: e.response?.data['message'] ?? 'Equipment not found by serial',
+        statusCode: e.response?.statusCode,
+      );
+    }
+  }
+
+  @override
+  Future<EquipmentDto> getEquipmentByBarcode(String barcode) async {
+    try {
+      final response = await _apiClient.get('${ApiEndpoints.equipment}/barcode/$barcode');
+      
+      // 백엔드 응답 구조에 따라 data 필드에서 추출
+      final responseData = response.data;
+      return EquipmentDto.fromJson(responseData['data'] ?? responseData);
+    } on DioException catch (e) {
+      throw ServerException(
+        message: e.response?.data['message'] ?? 'Equipment not found by barcode',
+        statusCode: e.response?.statusCode,
+      );
+    }
+  }
+
+  @override
+  Future<List<EquipmentDto>> getEquipmentsByCompany(int companyId) async {
+    try {
+      final response = await _apiClient.get('${ApiEndpoints.equipment}/by-company/$companyId');
+      
+      print('[Equipment API] Company Filter Response: ${response.data}');
+      
+      // 백엔드 응답 구조에 따라 data 필드에서 추출
+      final responseData = response.data;
+      final List<dynamic> equipmentList = responseData['data'] ?? responseData;
+      
+      return equipmentList.map((json) => EquipmentDto.fromJson(json)).toList();
+    } on DioException catch (e) {
+      throw ServerException(
+        message: e.response?.data['message'] ?? 'Failed to get equipments by company',
         statusCode: e.response?.statusCode,
       );
     }