cpd/lib/database/todo_interface.dart

import 'package:flutter/cupertino.dart';
import 'package:sqflite/sqflite.dart';
import 'habit.dart';

abstract class ToDoInterface {

  Future<void> createTable(Database database);

  Future<int> insert({
    required String title,
    required String subtitle,
    required IconData icon});

  Future<List<Habit>> fetchAll();

  Future<Habit?> fetchById(int id);

  Future<int> update({
    required int id,
    required String title,
    required String subtitle,
    required IconData icon});

  Future<void> delete(int id);

  Future<int?>? updateCompletionStatus(int id, bool isCompleted);
}