login_bloc.dart
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import 'package:common_utils/common_utils.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:wow_english/common/extension/string_extension.dart';
import 'package:wow_english/common/request/dao/user_dao.dart';
import 'package:wow_english/common/request/exception.dart';
import 'package:wow_english/common/request/request.dart';
import 'package:wow_english/models/user_entity.dart';
import 'package:wow_english/utils/loading.dart';
part 'login_event.dart';
part 'login_state.dart';
enum LoginType {
///密码登陆
pwd,
///验证码登陆
sms,
}
class LoginBloc extends Bloc<LoginEvent, LoginState> {
bool _canLogin = false;
///是否可以发送验证码
bool _canSendSms = false;
///是否阅读协议
bool _agreement = false;
///登陆方式
//LoginType _loginType = LoginType.sms;
bool _isSmsLoginType = true;
final TextEditingController phoneNumController = TextEditingController();
final TextEditingController checkNumController = TextEditingController();
bool get canLogin => _canLogin;
bool get agreement => _agreement;
//LoginType get loginType => _loginType;
bool get isSmsLoginType => _isSmsLoginType;
bool get canSendSms => _canSendSms;
LoginBloc() : super(LoginInitial()) {
on<RequestLoginEvent>(_requestLoginApi);
on<ChangeLoginTypeEvent>(_changeLoginType);
on<PhoneNumChangeEvent>(_changePhoneNumber);
on<AgreementChangeEvent>(_agreementTypeChange);
on<CheckFieldChangeEvent>(_checkFiledChange);
on<RequestSmsCodeEvent>(_requestSmsCodeApi);
}
///请求登陆
void _requestLoginApi(RequestLoginEvent event, Emitter<LoginState> emitter) async {
var phoneNumber = phoneNumController.text;
if (phoneNumber.isEmpty) {
EasyLoading.showToast('号码不能为空');
return;
}
var checkNumber = checkNumController.text;
if (checkNumber.isEmpty) {
var text = _isSmsLoginType ? '密码' : '验证码';
EasyLoading.showToast('$text不能为空');
return;
}
var checkKey = _isSmsLoginType ? 'smsCode' : 'password';
var type = _isSmsLoginType ? 'sms_code' : 'pwd';
try {
request(() => null);
await loading(() async {
var user = await UserDao.login(phoneNumber, type, checkKey, checkNumber);
if (kDebugMode) {
print('UserEntity?=$user');
}
emitter.call(LoginResultChangeState(user!));
});
} catch (e) {
if (kDebugMode) {
print(e);
}
EasyLoading.showToast('登陆失败${(e as ApiException?)?.message?.prefixColon}');
}
}
///请求验证码
void _requestSmsCodeApi(RequestSmsCodeEvent event, Emitter<LoginState> emitter) async {
final phoneNumber = phoneNumController.text;
if (!RegexUtil.isMobileExact(phoneNumber)) {
EasyLoading.showToast('请检查手机号');
return;
}
try {
await loading(() async {
await UserDao.sendCode(phoneNumber);
});
emitter(SmsCodeRequestState());
} catch (e) {
if (kDebugMode) {
print(e);
}
EasyLoading.showToast('获取验证码失败${(e as ApiException?)?.message?.prefixColon}');
}
}
///切换登陆方式
void _changeLoginType(ChangeLoginTypeEvent event, Emitter<LoginState> emitter) async {
if (_isSmsLoginType) {
_isSmsLoginType = false;
} else {
_isSmsLoginType = true;
}
checkNumController.clear();
if (_loginStateChange()) {
emitter(LoginEventChangeState());
}
emitter(LoginTypeChangeState());
}
///手机号输入
void _changePhoneNumber(PhoneNumChangeEvent event, Emitter<LoginState> emitter) async {
if (phoneNumController.text.isNotEmpty) {
if (!_canSendSms) {
_canSendSms = true;
emitter(SmsSendTypeChangeState());
}
if (_loginStateChange()) {
emitter(LoginEventChangeState());
}
} else {
if (_canSendSms) {
_canSendSms = false;
emitter(SmsSendTypeChangeState());
}
if (_loginStateChange()) {
emitter(LoginEventChangeState());
}
}
}
///验证码/密码输入变化
void _checkFiledChange(CheckFieldChangeEvent event, Emitter<LoginState> emitter) async {
if (_loginStateChange()) {
emitter(LoginEventChangeState());
}
}
///是否阅读协议
void _agreementTypeChange(AgreementChangeEvent event, Emitter<LoginState> emitter) async {
_agreement = !_agreement;
emitter(AgreementTypeChangeState());
if (_loginStateChange()) {
emitter(LoginEventChangeState());
}
}
///登陆状态判断
bool _loginStateChange() {
if (_agreement) {
if (phoneNumController.text.isNotEmpty && checkNumController.text.isNotEmpty) {
if (!_canLogin) {
_canLogin = true;
return true;
}
} else {
if (_canLogin) {
_canLogin = false;
return true;
}
}
} else {
if (_canLogin) {
_canLogin = false;
return true;
}
}
return false;
}
}