runable

.archive/category_local_datasource_hive.dart

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+import 'package:hive_ce/hive.dart';
+import 'package:retail/core/database/hive_database.dart';
+import 'package:retail/features/categories/data/models/category_model.dart';
+import 'package:retail/features/categories/data/datasources/category_local_datasource.dart';
+import 'package:retail/features/categories/domain/entities/category.dart';
+
+/// Hive implementation of CategoryLocalDataSource
+class CategoryLocalDataSourceHive implements CategoryLocalDataSource {
+  final HiveDatabase _database;
+
+  CategoryLocalDataSourceHive(this._database);
+
+  Box<CategoryModel> get _box => _database.categoriesBox;
+
+  /// Convert CategoryModel to Category entity
+  Category _toEntity(CategoryModel model) {
+    return Category(
+      id: model.id,
+      name: model.name,
+      description: model.description,
+      iconPath: model.iconPath,
+      color: model.color,
+      createdAt: model.createdAt,
+    );
+  }
+
+  /// Convert Category entity to CategoryModel
+  CategoryModel _toModel(Category entity) {
+    return CategoryModel(
+      id: entity.id,
+      name: entity.name,
+      description: entity.description,
+      iconPath: entity.iconPath,
+      color: entity.color,
+      productCount: 0, // Will be calculated from products
+      createdAt: entity.createdAt,
+    );
+  }
+
+  @override
+  Future<List<Category>> getAllCategories() async {
+    try {
+      return _box.values.map(_toEntity).toList();
+    } catch (e) {
+      throw Exception('Failed to get categories: $e');
+    }
+  }
+
+  @override
+  Future<Category?> getCategoryById(String id) async {
+    try {
+      final model = _box.get(id);
+      return model != null ? _toEntity(model) : null;
+    } catch (e) {
+      throw Exception('Failed to get category by ID: $e');
+    }
+  }
+
+  @override
+  Future<void> saveCategories(List<Category> categories) async {
+    try {
+      final models = categories.map(_toModel).toList();
+      final Map<String, CategoryModel> categoriesMap = {
+        for (var model in models) model.id: model
+      };
+      await _box.putAll(categoriesMap);
+    } catch (e) {
+      throw Exception('Failed to save categories: $e');
+    }
+  }
+
+  @override
+  Future<void> deleteAllCategories() async {
+    try {
+      await _box.clear();
+    } catch (e) {
+      throw Exception('Failed to delete all categories: $e');
+    }
+  }
+
+  /// Additional Hive-specific methods
+
+  /// Save a single category
+  Future<void> saveCategory(Category category) async {
+    try {
+      final model = _toModel(category);
+      await _box.put(model.id, model);
+    } catch (e) {
+      throw Exception('Failed to save category: $e');
+    }
+  }
+
+  /// Update an existing category
+  Future<void> updateCategory(Category category) async {
+    try {
+      if (!_box.containsKey(category.id)) {
+        throw Exception('Category not found: ${category.id}');
+      }
+      final model = _toModel(category);
+      await _box.put(model.id, model);
+    } catch (e) {
+      throw Exception('Failed to update category: $e');
+    }
+  }
+
+  /// Delete a specific category
+  Future<void> deleteCategory(String id) async {
+    try {
+      await _box.delete(id);
+    } catch (e) {
+      throw Exception('Failed to delete category: $e');
+    }
+  }
+
+  /// Check if category exists
+  Future<bool> categoryExists(String id) async {
+    try {
+      return _box.containsKey(id);
+    } catch (e) {
+      throw Exception('Failed to check category existence: $e');
+    }
+  }
+
+  /// Update product count for a category
+  Future<void> updateProductCount(String categoryId, int count) async {
+    try {
+      final model = _box.get(categoryId);
+      if (model != null) {
+        final updated = model.copyWith(productCount: count);
+        await _box.put(categoryId, updated);
+      }
+    } catch (e) {
+      throw Exception('Failed to update product count: $e');
+    }
+  }
+}