liangchengyou / wow_english

  import 'package:flutter/widgets.dart';

  import 'package:flutter_bloc/flutter_bloc.dart';

  import 'package:wow_english/common/core/user_util.dart';

  import 'package:wow_english/common/request/dao/user_dao.dart';

  import 'package:wow_english/models/user_entity.dart';
  import 'package:wow_english/pages/user/modify/modify_user_information_page.dart';
  import 'package:wow_english/utils/log_util.dart';

  
  part 'user_event.dart';
  part 'user_state.dart';
  
  class UserBloc extends Bloc<UserEvent, UserState> {

    final TextEditingController modifyTextController = TextEditingController();

    int tempGender = 0;

    UserBloc() : super(UserInitial()) {

      on<UserLogout>(_logout);

      on<UserDelete>(_deleteAccount);

      on<UserUpdate>(_updateUser);

      on<UserUIUpdate>(_updateUIUser);

    }

    void _logout(UserLogout event, Emitter<UserState> emitter) async {

      await UserDao.logout();
    }

    void _deleteAccount(UserDelete event, Emitter<UserState> emitter) async {
      await UserDao.deleteAccount();
    }
  

    void _updateUIUser(UserUIUpdate event, Emitter<UserState> emitter) async {
      emitter(UserInfoUpdated());
    }
  

    void _updateUser(UserUpdate event, Emitter<UserState> emitter) async {
      Log.d('_updateUser, event: ${event.type}, emitter.isDone: ${emitter.isDone}, text=${modifyTextController.text}');
      UserEntity user = UserUtil.getUser()!;
      switch (event.type) {
        case ModifyUserInformationType.avatar:
          break;
        case ModifyUserInformationType.name:
          String name = modifyTextController.text;

          try {

            await UserDao.updateUserInfoField(name: name);
            // 修改成功，更新本地缓存及UI
            user.name = name;

            emitter(UserInfoUpdated());
          } catch (e) {

            Log.e('_updateUser name, e: $e');

          }
          break;
        case ModifyUserInformationType.age:

          // todo 校验格式

          try {

            int age;
            try {
              age = modifyTextController.text as int;
            } catch (e) {
              Log.w(e.toString());
              throw '年龄格式错误';
            }

            await UserDao.updateUserInfoField(age: age);
            // 修改成功，更新本地缓存及UI
            user.age = age;
            emitter(UserInfoUpdated());
          } catch (e) {
            Log.e('_updateUser age, e: $e');
          }

          break;
        case ModifyUserInformationType.gender:

          try {

            await UserDao.updateUserInfoField(gender: tempGender);
            user.gender = tempGender;

            emitter(UserInfoUpdated());
          } catch (e) {

            Log.e('_updateUser gender, e: $e');

          }

          break;
      }
    }

  }