todo_repository

todo_repository.dart

import 'package:architect_test/client/shared_preferences_client.dart';
import 'package:architect_test/entity/todo.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';

final todoRepository =
   Provider.autoDispose<TodoRepository>((ref) => TodoRepositoryImpl(ref.read));

abstract class TodoRepository {
 Future<List<Todo>> getTodos();
 Future<void> saveTodos(List<Todo> todos);
}

class TodoRepositoryImpl implements TodoRepository {
 final Reader read;
 TodoRepositoryImpl(this.read);

 final _todoKey = 'todos';
 Future<List<Todo>> getTodos() async {
   final SharedPreferencesClient prefs = read(sharedPreferencesClient);
   final List<Map<String, dynamic>> todosJsons =
       await prefs.getJsonList(_todoKey) ?? [];

   return todosJsons.map((json) => Todo.fromJson(json)).toList();
 }

 Future<void> saveTodos(List<Todo> todos) async {
   final SharedPreferencesClient prefs = read(sharedPreferencesClient);
   await prefs.saveJson(_todoKey, todos.map((todo) => todo.toJson()).toList());
 }
}

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