Files
syncrow-app/lib/features/auth/view/otp_view.dart
2024-06-06 11:14:25 +03:00

360 lines
16 KiB
Dart

import 'dart:async';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_svg/svg.dart';
import 'package:pin_code_fields/pin_code_fields.dart';
import 'package:syncrow_app/features/auth/bloc/auth_cubit.dart';
import 'package:syncrow_app/features/shared_widgets/default_button.dart';
import 'package:syncrow_app/features/shared_widgets/text_widgets/title_medium.dart';
import 'package:syncrow_app/generated/assets.dart';
import 'package:syncrow_app/navigation/routing_constants.dart';
import 'package:syncrow_app/utils/context_extension.dart';
import 'package:syncrow_app/utils/helpers/life_cycle_event_handler.dart';
import 'package:syncrow_app/utils/helpers/shared_preferences_helper.dart';
import 'package:syncrow_app/utils/resource_manager/constants.dart';
import 'package:syncrow_app/utils/resource_manager/font_manager.dart';
class OtpView extends StatefulWidget {
const OtpView({super.key});
@override
State<OtpView> createState() => _OtpViewState();
}
class _OtpViewState extends State<OtpView> {
bool timerCanceled = false;
Timer? countdownTimer;
Duration myDuration = const Duration();
late LifecycleEventHandler _lifecycleEventHandler;
String otpCode = '';
int? remainingSec = 30;
@override
void initState() {
super.initState();
bool timerStarted = false;
_lifecycleEventHandler = LifecycleEventHandler(
resumeCallBack: () async {
SharedPreferencesHelper.saveBoolToSP('timeStampSaved', false);
String timeStampInBackground = await SharedPreferencesHelper.readStringFromSP('timeStamp');
int savedCounter = await SharedPreferencesHelper.readIntFromSP('savedCounter');
DateTime currentTime = DateTime.now();
int differenceInSeconds = timeStampInBackground.isNotEmpty
? currentTime.difference(DateTime.parse(timeStampInBackground)).inSeconds
: 0;
remainingSec = differenceInSeconds > savedCounter ? 0 : savedCounter - differenceInSeconds;
timerStarted = true;
startTimer(remainingSec ?? 0);
return;
},
suspendingCallBack: () async {
handleTimerOnBackground();
},
onPauseCallBack: () async {
handleTimerOnBackground();
},
inactiveCallBack: () async {
handleTimerOnBackground();
},
);
WidgetsBinding.instance.addObserver(_lifecycleEventHandler);
if (!timerStarted) {
timerStarted = false;
startTimer(remainingSec ?? 0);
}
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(_lifecycleEventHandler);
super.dispose();
}
handleTimerOnBackground() async {
bool timeStampSaved = await SharedPreferencesHelper.readBoolFromSP('timeStampSaved') ?? false;
if (!timeStampSaved) {
final dateInString = DateTime.now().toString();
SharedPreferencesHelper.saveIntToSP('savedCounter', remainingSec ?? 0);
SharedPreferencesHelper.saveStringToSP('timeStamp', dateInString);
SharedPreferencesHelper.saveBoolToSP('timeStampSaved', true);
}
}
void startTimer(int sec) {
timerCanceled = false;
if (countdownTimer != null) {
countdownTimer!.cancel();
countdownTimer = null;
}
myDuration = Duration(seconds: sec);
int seconds = sec;
countdownTimer = Timer.periodic(const Duration(seconds: 1), (values) {
seconds = seconds - 1;
remainingSec = seconds;
if (mounted) {
if (seconds < 0) {
setState(() {
countdownTimer!.cancel();
timerCanceled = true;
WidgetsBinding.instance.removeObserver(_lifecycleEventHandler);
});
} else {
setState(() {
myDuration = Duration(seconds: remainingSec ?? seconds);
});
}
}
});
}
@override
Widget build(BuildContext context) {
String maskedEmail = AuthCubit.get(context).maskEmail(AuthCubit.get(context).email);
return BlocConsumer<AuthCubit, AuthState>(
listener: (context, state) {
if (state is AuthOtpSuccess) {
Navigator.of(context).pop();
Navigator.of(context).pop();
Navigator.popAndPushNamed(context, Routes.homeRoute);
}
if (state is ResendOtpSuccess) {
startTimer(30);
}
},
builder: (context, state) {
return Scaffold(
body: Stack(
children: [
Container(
width: MediaQuery.sizeOf(context).width,
height: MediaQuery.sizeOf(context).height,
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage(
Assets.assetsImagesBackground,
),
fit: BoxFit.cover,
),
),
),
Container(
width: MediaQuery.sizeOf(context).width,
height: MediaQuery.sizeOf(context).height,
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage(Assets.assetsImagesVector),
fit: BoxFit.cover,
opacity: 0.9,
),
),
),
SafeArea(
child: Padding(
padding: const EdgeInsets.only(
right: Constants.defaultPadding,
left: Constants.defaultPadding,
top: Constants.defaultPadding,
),
child: SingleChildScrollView(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Center(
child: SvgPicture.asset(
Assets.assetsImagesLogo,
width: 160,
),
),
const SizedBox(
height: 40,
),
TitleMedium(
text: 'Verification Code',
style: context.titleMedium.copyWith(
fontWeight: FontsManager.extraBold,
color: Colors.white,
),
),
const SizedBox(
height: 20,
),
GestureDetector(
onTap: () {
Navigator.of(context).pop();
},
child: RichText(
text: TextSpan(
text:
'We have sent the verification codeWe have sent the verification code to',
style: Theme.of(context).textTheme.titleSmall!.copyWith(
color: Colors.white,
fontWeight: FontsManager.regular,
fontSize: 14,
),
children: [
TextSpan(
text: ' $maskedEmail',
style: Theme.of(context).textTheme.titleSmall!.copyWith(
color: Colors.black,
fontWeight: FontsManager.bold,
fontSize: 14,
),
),
TextSpan(
text: ' change email?',
style: Theme.of(context).textTheme.titleSmall!.copyWith(
color: const Color(0xFF87C7FF),
fontWeight: FontsManager.regular,
fontSize: 14,
),
),
]),
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(
height: 40,
),
PinCodeTextField(
key: const Key('pin_code_text_field'),
appContext: context,
length: 6,
obscuringCharacter: '-',
cursorHeight: 25,
keyboardType: TextInputType.number,
autoFocus: true,
backgroundColor: Colors.transparent,
animationDuration: const Duration(milliseconds: 30),
beforeTextPaste: (text) {
// Allow pasting only if all characters are numeric
return int.tryParse(text!) != null;
},
textStyle: Theme.of(context)
.textTheme
.headlineMedium!
.copyWith(color: Colors.white),
hintStyle: Theme.of(context)
.textTheme
.headlineMedium!
.copyWith(color: Colors.white),
enablePinAutofill: true,
pinTheme: PinTheme(
borderRadius: BorderRadius.circular(8),
inactiveBorderWidth: 1,
disabledBorderWidth: 1,
selectedBorderWidth: 1,
activeBorderWidth: 1,
errorBorderWidth: 1,
borderWidth: 1,
errorBorderColor: Colors.red,
activeColor: state is AuthLoginError ? Colors.red : Colors.white,
inactiveColor:
state is AuthLoginError ? Colors.red : Colors.white,
activeFillColor:
state is AuthLoginError ? Colors.red : Colors.white,
inactiveFillColor:
state is AuthLoginError ? Colors.red : Colors.white,
selectedFillColor:
state is AuthLoginError ? Colors.red : Colors.white,
disabledColor: Colors.white,
fieldHeight: 56,
fieldWidth: MediaQuery.sizeOf(context).width > 340 ? 40 : 20,
// fieldWidth: 40,
selectedColor: Colors.white,
shape: PinCodeFieldShape.box,
),
onChanged: (value) {
AuthCubit.get(context).setOtpCode(value);
},
onCompleted: (value) {},
onSubmitted: (value) {
// AuthCubit.get(context).setOtpCode(value);
},
),
const SizedBox(height: 40),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Expanded(
child: DefaultButton(
isDone: state is AuthLoginSuccess,
isLoading: state is AuthLoading,
customButtonStyle: ButtonStyle(
backgroundColor: MaterialStateProperty.all(
Colors.black.withOpacity(.25),
),
foregroundColor: MaterialStateProperty.all(
Colors.white,
),
),
child: const Text(
'Verify',
),
onPressed: () {
if ((state is! AuthLoading)) {
AuthCubit.get(context).verifyOtp();
FocusScope.of(context).unfocus();
}
},
),
),
const SizedBox(
width: 4,
),
Expanded(
child: DefaultButton(
isDone: state is AuthLoginSuccess,
isLoading: state is AuthLoading,
customButtonStyle: ButtonStyle(
backgroundColor: MaterialStateProperty.all(
Colors.black.withOpacity(.25),
),
foregroundColor: MaterialStateProperty.all(
Colors.white,
),
),
child: Text(
timerCanceled
? 'Resend'
: myDuration.inSeconds
.remainder(60)
.toString()
.padLeft(2, '0'),
),
onPressed: () async {
if (!timerCanceled) {
return;
}
if ((state is! AuthLoading)) {
await AuthCubit.get(context).reSendOtp();
FocusScope.of(context).unfocus();
}
},
),
),
],
)
],
),
],
),
),
),
),
)
],
),
);
},
);
}
}