결재 템플릿 CRUD 화면과 컨트롤러 정식화

lib/features/approvals/template/presentation/controllers/approval_template_controller.dart

@@ -0,0 +1,167 @@
+import 'package:flutter/foundation.dart';
+import 'package:superport_v2/core/common/models/paginated_result.dart';
+
+import '../../../domain/entities/approval_template.dart';
+import '../../../domain/repositories/approval_template_repository.dart';
+
+enum ApprovalTemplateStatusFilter { all, activeOnly, inactiveOnly }
+
+/// 결재 템플릿 화면 상태 컨트롤러
+///
+/// - 목록/검색/필터 상태와 생성·수정·삭제 요청을 관리한다.
+class ApprovalTemplateController extends ChangeNotifier {
+  ApprovalTemplateController({required ApprovalTemplateRepository repository})
+    : _repository = repository;
+
+  final ApprovalTemplateRepository _repository;
+
+  PaginatedResult<ApprovalTemplate>? _result;
+  bool _isLoading = false;
+  bool _isSubmitting = false;
+  String _query = '';
+  ApprovalTemplateStatusFilter _statusFilter = ApprovalTemplateStatusFilter.all;
+  String? _errorMessage;
+
+  PaginatedResult<ApprovalTemplate>? get result => _result;
+  bool get isLoading => _isLoading;
+  bool get isSubmitting => _isSubmitting;
+  String get query => _query;
+  ApprovalTemplateStatusFilter get statusFilter => _statusFilter;
+  String? get errorMessage => _errorMessage;
+
+  Future<void> fetch({int page = 1}) async {
+    _isLoading = true;
+    _errorMessage = null;
+    notifyListeners();
+    try {
+      final sanitizedQuery = _query.trim();
+      final isActive = switch (_statusFilter) {
+        ApprovalTemplateStatusFilter.all => null,
+        ApprovalTemplateStatusFilter.activeOnly => true,
+        ApprovalTemplateStatusFilter.inactiveOnly => false,
+      };
+      final response = await _repository.list(
+        page: page,
+        pageSize: _result?.pageSize ?? 20,
+        query: sanitizedQuery.isEmpty ? null : sanitizedQuery,
+        isActive: isActive,
+      );
+      _result = response;
+    } catch (e) {
+      _errorMessage = e.toString();
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  void updateQuery(String value) {
+    _query = value;
+    notifyListeners();
+  }
+
+  void updateStatusFilter(ApprovalTemplateStatusFilter filter) {
+    _statusFilter = filter;
+    notifyListeners();
+  }
+
+  Future<ApprovalTemplate?> fetchDetail(int id) async {
+    _errorMessage = null;
+    notifyListeners();
+    try {
+      final detail = await _repository.fetchDetail(id, includeSteps: true);
+      return detail;
+    } catch (e) {
+      _errorMessage = e.toString();
+      notifyListeners();
+      return null;
+    }
+  }
+
+  Future<ApprovalTemplate?> create(
+    ApprovalTemplateInput input,
+    List<ApprovalTemplateStepInput> steps,
+  ) async {
+    _setSubmitting(true);
+    try {
+      final created = await _repository.create(input, steps: steps);
+      await fetch(page: 1);
+      return created;
+    } catch (e) {
+      _errorMessage = e.toString();
+      notifyListeners();
+      return null;
+    } finally {
+      _setSubmitting(false);
+    }
+  }
+
+  Future<ApprovalTemplate?> update(
+    int id,
+    ApprovalTemplateInput input,
+    List<ApprovalTemplateStepInput>? steps,
+  ) async {
+    _setSubmitting(true);
+    try {
+      final updated = await _repository.update(id, input, steps: steps);
+      await fetch(page: _result?.page ?? 1);
+      return updated;
+    } catch (e) {
+      _errorMessage = e.toString();
+      notifyListeners();
+      return null;
+    } finally {
+      _setSubmitting(false);
+    }
+  }
+
+  Future<bool> delete(int id) async {
+    _setSubmitting(true);
+    try {
+      await _repository.delete(id);
+      await fetch(page: _result?.page ?? 1);
+      return true;
+    } catch (e) {
+      _errorMessage = e.toString();
+      notifyListeners();
+      return false;
+    } finally {
+      _setSubmitting(false);
+    }
+  }
+
+  Future<ApprovalTemplate?> restore(int id) async {
+    _setSubmitting(true);
+    try {
+      final restored = await _repository.restore(id);
+      await fetch(page: _result?.page ?? 1);
+      return restored;
+    } catch (e) {
+      _errorMessage = e.toString();
+      notifyListeners();
+      return null;
+    } finally {
+      _setSubmitting(false);
+    }
+  }
+
+  void clearError() {
+    _errorMessage = null;
+    notifyListeners();
+  }
+
+  bool get hasActiveFilters =>
+      _query.trim().isNotEmpty ||
+      _statusFilter != ApprovalTemplateStatusFilter.all;
+
+  void resetFilters() {
+    _query = '';
+    _statusFilter = ApprovalTemplateStatusFilter.all;
+    notifyListeners();
+  }
+
+  void _setSubmitting(bool value) {
+    _isSubmitting = value;
+    notifyListeners();
+  }
+}