riverpod_view_model.dart

import 'dart:developer';

import 'package:contact/contact/presentation/contact_list_event.dart';
import 'package:contact/contact/presentation/contact_list_state.dart';
import 'package:contact/di/di_setup.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../domain/repository/contact_repository.dart';

final mainViewModel =
    StateNotifierProvider.autoDispose<RiverpodViewModel, ContactListState>(
        (ref) => RiverpodViewModel(ref, getIt<ContactRepository>()));

class RiverpodViewModel extends StateNotifier<ContactListState> {
  final ContactRepository _contactRepository;
  final Ref _ref;

  RiverpodViewModel(this._ref, this._contactRepository)
      : super(const ContactListState(
          firstNameError: '이름을 입력해 주세요',
          lastNameError: '성을 입력해 주세요',
          emailError: '이메일을 입력해 주세요',
          phoneNumberError: '전화번호를 입력해 주세요',
        )) {
    _updateData();
  }

  void _updateData() async {
    state = state.copyWith(
      contacts: await _contactRepository.getContacts(),
      recentlyAddedContacts: await _contactRepository.getRecentContacts(20),
    );
  }

  void onEvent(ContactListEvent event) {
    switch (event) {
      case OnAddNewContactClick():
        log('OnAddNewContactClick');
      case DismissContact():
        log('DismissContact');
      case SelectContact():
        log('SelectContact');
      case OnAddPhotoClicked():
        log('OnAddPhotoClicked');
      case OnFirstNameChanged():
        log('OnFirstNameChanged');
      case OnLastNameChanged():
        log('OnLastNameChanged');
      case OnEmailChanged():
        log('OnEmailChanged');
      case OnPhoneNumberChanged():
        log('OnPhoneNumberChanged');
      case OnPhotoPicked():
        log('OnPhotoPicked');
      case OnSaveContact():
        log('SaveContact');
        _contactRepository
            .insertContact(event.contact)
            .then((_) => _updateData());
      case EditContact():
        log('EditContact');
      case DeleteContact():
        log('DeleteContact');
        _contactRepository
            .deleteContact(event.contact.id!.toInt())
            .then((_) => _updateData());
    }
  }
}