feat : auth package

packages/core/lib/infrastructure/local/hive_local_storage.dart

@@ -0,0 +1,61 @@
+import 'package:hive_ce_flutter/hive_flutter.dart';
+
+import 'i_local_storage.dart';
+
+class HiveLocalStorage implements ILocalStorage {
+  HiveLocalStorage() {
+    Hive.initFlutter();
+  }
+
+  final Map<String, Box> _boxes = {};
+
+  @override
+  Future init() async => await Hive.initFlutter();
+
+  @override
+  Future<void> openBox<T>(String boxName) async {
+    if (!_boxes.containsKey(boxName)) {
+      final box = await Hive.openBox<T>(boxName);
+      _boxes[boxName] = box;
+    }
+  }
+
+  @override
+  Future<void> delete(String boxName, String key) async {
+    Box<dynamic>? box = await getBox(boxName);
+    await box.delete(key);
+  }
+
+  @override
+  Future<T?> read<T>(String boxName, String key) async {
+    Box? box = await getBox(boxName);
+    return box.get(key) as T?;
+  }
+
+  @override
+  Future<void> save(String boxName, String key, value) async {
+    Box<dynamic>? box = await getBox(boxName);
+    await box.put(key, value);
+  }
+
+  @override
+  Future<void> add(String boxName, value) async {
+    Box<dynamic>? box = await getBox(boxName);
+    await box.add(value);
+  }
+
+  @override
+  Future<void> addAll(String boxName, Iterable values) async {
+    Box<dynamic>? box = await getBox(boxName);
+    await box.addAll(values);
+  }
+
+  Future<Box<T>> getBox<T>(String boxName) async {
+    final box = _boxes[boxName];
+    if (box is Box<T>) {
+      return box;
+    } else {
+      throw Exception('Box $boxName is not of expected type $T');
+    }
+  }
+}

packages/core/lib/infrastructure/local/i_local_storage.dart

@@ -0,0 +1,11 @@
+abstract class ILocalStorage<E>{
+  Future<void> init();
+  Future<void> openBox<T>(String boxName);
+  Future<void> save(String boxName, String key, dynamic value);
+  Future<T?> read<T>(String boxName, String key);
+  Future<void> delete(String boxName, String key);
+
+  Future<void> add(String boxName, E value);
+  Future<void> addAll(String boxName, Iterable<E> values);
+
+}