사용하지 않는 파일 정리 전 백업 (Phase 10 완료 후 상태)

lib/screens/model/controllers/model_controller.dart

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+import 'package:flutter/material.dart';
+import 'package:injectable/injectable.dart';
+import 'package:superport/data/models/model_dto.dart';
+import 'package:superport/data/models/vendor_dto.dart';
+import 'package:superport/domain/usecases/model_usecase.dart';
+import 'package:superport/domain/usecases/vendor_usecase.dart';
+
+/// Model 관리 화면의 상태 관리 Controller
+@lazySingleton
+class ModelController extends ChangeNotifier {
+  final ModelUseCase _modelUseCase;
+  final VendorUseCase _vendorUseCase;
+
+  ModelController(this._modelUseCase, this._vendorUseCase);
+
+  // 상태 변수들
+  List<ModelDto> _models = [];
+  List<ModelDto> _filteredModels = [];
+  List<VendorDto> _vendors = [];
+  final Map<int, List<ModelDto>> _modelsByVendor = {};
+  
+  bool _isLoading = false;
+  bool _isSubmitting = false;
+  String? _errorMessage;
+  String _searchQuery = '';
+  int? _selectedVendorId;
+  
+  // Getters
+  List<ModelDto> get models => _filteredModels;
+  List<ModelDto> get allModels => _models;
+  List<VendorDto> get vendors => _vendors;
+  Map<int, List<ModelDto>> get modelsByVendor => _modelsByVendor;
+  bool get isLoading => _isLoading;
+  bool get isSubmitting => _isSubmitting;
+  String? get errorMessage => _errorMessage;
+  String get searchQuery => _searchQuery;
+  int? get selectedVendorId => _selectedVendorId;
+
+  /// 초기 데이터 로드
+  Future<void> loadInitialData() async {
+    _isLoading = true;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      // Vendor와 Model 데이터 병렬 로드
+      final results = await Future.wait([
+        _vendorUseCase.getVendors(),
+        _modelUseCase.getModels(),
+      ]);
+
+      _vendors = List<VendorDto>.from(results[0] as List<VendorDto>);
+      _models = List<ModelDto>.from(results[1] as List<ModelDto>);
+      _filteredModels = List.from(_models);
+      
+      // Vendor별로 모델 그룹핑
+      await _groupModelsByVendor();
+      
+    } catch (e) {
+      _errorMessage = e.toString();
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  /// 모델 목록 새로고침
+  Future<void> refreshModels() async {
+    _errorMessage = null;
+    
+    try {
+      _models = List.from(await _modelUseCase.getModels(vendorId: _selectedVendorId));
+      _applyFilters();
+      await _groupModelsByVendor();
+    } catch (e) {
+      _errorMessage = e.toString();
+    } finally {
+      notifyListeners();
+    }
+  }
+
+  /// 모델 생성
+  Future<bool> createModel({
+    required int vendorsId,
+    required String name,
+  }) async {
+    _isSubmitting = true;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      final newModel = await _modelUseCase.createModel(
+        vendorsId: vendorsId,
+        name: name,
+      );
+
+      // 목록에 추가
+      _models = [..._models, newModel];
+      _applyFilters();
+      await _groupModelsByVendor();
+      
+      return true;
+    } catch (e) {
+      _errorMessage = e.toString();
+      return false;
+    } finally {
+      _isSubmitting = false;
+      notifyListeners();
+    }
+  }
+
+  /// 모델 수정
+  Future<bool> updateModel({
+    required int id,
+    required int vendorsId,
+    required String name,
+  }) async {
+    _isSubmitting = true;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      final updatedModel = await _modelUseCase.updateModel(
+        id: id,
+        vendorsId: vendorsId,
+        name: name,
+      );
+
+      // 목록에서 업데이트
+      final index = _models.indexWhere((m) => m.id == id);
+      if (index != -1) {
+        _models = _models.map((model) => 
+          model.id == id ? updatedModel : model
+        ).toList();
+        _applyFilters();
+        await _groupModelsByVendor();
+      }
+      
+      return true;
+    } catch (e) {
+      _errorMessage = e.toString();
+      return false;
+    } finally {
+      _isSubmitting = false;
+      notifyListeners();
+    }
+  }
+
+  /// 모델 삭제 (Soft Delete)
+  Future<bool> deleteModel(int id) async {
+    _isSubmitting = true;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      await _modelUseCase.deleteModel(id);
+      
+      // 목록에서 제거 또는 비활성화 표시
+      _models = _models.where((m) => m.id != id).toList();
+      _applyFilters();
+      await _groupModelsByVendor();
+      
+      return true;
+    } catch (e) {
+      _errorMessage = e.toString();
+      return false;
+    } finally {
+      _isSubmitting = false;
+      notifyListeners();
+    }
+  }
+
+  /// 검색어 설정
+  void setSearchQuery(String query) {
+    _searchQuery = query;
+    _applyFilters();
+    notifyListeners();
+  }
+
+  /// Vendor 필터 설정
+  void setVendorFilter(int? vendorId) {
+    _selectedVendorId = vendorId;
+    _applyFilters();
+    notifyListeners();
+  }
+
+  /// 필터 적용
+  void _applyFilters() {
+    _filteredModels = _models.where((model) {
+      // Vendor 필터
+      if (_selectedVendorId != null && model.vendorsId != _selectedVendorId) {
+        return false;
+      }
+      
+      // 검색어 필터
+      if (_searchQuery.isNotEmpty) {
+        final query = _searchQuery.toLowerCase();
+        return model.name.toLowerCase().contains(query);
+      }
+      
+      return true;
+    }).toList();
+  }
+
+  /// Vendor별 모델 그룹핑
+  Future<void> _groupModelsByVendor() async {
+    _modelsByVendor.clear();
+    
+    for (final model in _models) {
+      _modelsByVendor.putIfAbsent(model.vendorsId, () => []).add(model);
+    }
+  }
+
+  /// Vendor ID로 Vendor 정보 가져오기
+  VendorDto? getVendorById(int vendorId) {
+    try {
+      return _vendors.firstWhere((v) => v.id == vendorId);
+    } catch (_) {
+      return null;
+    }
+  }
+
+  /// 특정 Vendor의 모델 목록 가져오기
+  List<ModelDto> getModelsByVendor(int vendorId) {
+    return _modelsByVendor[vendorId] ?? [];
+  }
+
+  /// 에러 메시지 클리어
+  void clearError() {
+    _errorMessage = null;
+    notifyListeners();
+  }
+
+  /// 컨트롤러 리셋
+  void reset() {
+    _models.clear();
+    _filteredModels.clear();
+    _vendors.clear();
+    _modelsByVendor.clear();
+    _isLoading = false;
+    _isSubmitting = false;
+    _errorMessage = null;
+    _searchQuery = '';
+    _selectedVendorId = null;
+    notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    reset();
+    super.dispose();
+  }
+}