runable

lib/features/categories/data/datasources/category_local_datasource.dart

@@ -0,0 +1,37 @@
+import 'package:hive_ce/hive.dart';
+import '../models/category_model.dart';
+
+/// Category local data source using Hive
+abstract class CategoryLocalDataSource {
+  Future<List<CategoryModel>> getAllCategories();
+  Future<CategoryModel?> getCategoryById(String id);
+  Future<void> cacheCategories(List<CategoryModel> categories);
+  Future<void> clearCategories();
+}
+
+class CategoryLocalDataSourceImpl implements CategoryLocalDataSource {
+  final Box<CategoryModel> box;
+
+  CategoryLocalDataSourceImpl(this.box);
+
+  @override
+  Future<List<CategoryModel>> getAllCategories() async {
+    return box.values.toList();
+  }
+
+  @override
+  Future<CategoryModel?> getCategoryById(String id) async {
+    return box.get(id);
+  }
+
+  @override
+  Future<void> cacheCategories(List<CategoryModel> categories) async {
+    final categoryMap = {for (var c in categories) c.id: c};
+    await box.putAll(categoryMap);
+  }
+
+  @override
+  Future<void> clearCategories() async {
+    await box.clear();
+  }
+}