forked from firka/student-legacy
345 lines
13 KiB
Dart
Executable File
345 lines
13 KiB
Dart
Executable File
// import 'dart:async';
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import 'dart:ui';
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import 'package:filcnaplo/api/client.dart';
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import 'package:filcnaplo/api/login.dart';
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import 'package:filcnaplo/theme/colors/colors.dart';
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import 'package:filcnaplo_mobile_ui/common/custom_snack_bar.dart';
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import 'package:filcnaplo_mobile_ui/common/system_chrome.dart';
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import 'package:filcnaplo_mobile_ui/screens/login/login_button.dart';
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import 'package:filcnaplo_mobile_ui/screens/login/login_input.dart';
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import 'package:filcnaplo_mobile_ui/screens/login/school_input/school_input.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'login_screen.i18n.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({Key? key, this.back = false}) : super(key: key);
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final bool back;
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@override
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_LoginScreenState createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final usernameController = TextEditingController();
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final passwordController = TextEditingController();
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final schoolController = SchoolInputController();
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final _scrollController = ScrollController();
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LoginState _loginState = LoginState.normal;
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bool showBack = false;
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// Scaffold Gradient background
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final LinearGradient _backgroundGradient = const LinearGradient(
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colors: [
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Color.fromARGB(255, 61, 122, 244),
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Color.fromARGB(255, 23, 77, 185),
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Color.fromARGB(255, 7, 42, 112),
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],
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begin: Alignment(-0.8, -1.0),
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end: Alignment(0.8, 1.0),
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stops: [-1.0, 0.0, 1.0],
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);
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late String tempUsername = '';
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@override
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void initState() {
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super.initState();
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showBack = widget.back;
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SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: Brightness.light,
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systemNavigationBarColor: Colors.white,
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systemNavigationBarIconBrightness: Brightness.dark,
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));
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FilcAPI.getSchools().then((schools) {
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if (schools != null) {
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schoolController.update(() {
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schoolController.schools = schools;
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});
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} else {
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ScaffoldMessenger.of(context).showSnackBar(CustomSnackBar(
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content: Text("schools_error".i18n,
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style: const TextStyle(color: Colors.white)),
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backgroundColor: AppColors.of(context).red,
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context: context,
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));
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}
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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decoration: BoxDecoration(gradient: _backgroundGradient),
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child: SingleChildScrollView(
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physics: const ClampingScrollPhysics(),
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controller: _scrollController,
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child: Container(
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decoration: BoxDecoration(gradient: _backgroundGradient),
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width: MediaQuery.of(context).size.width,
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height: MediaQuery.of(context).size.height,
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child: SafeArea(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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if (showBack)
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Container(
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alignment: Alignment.topLeft,
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padding: const EdgeInsets.only(left: 16.0, top: 12.0),
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child: const ClipOval(
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child: Material(
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type: MaterialType.transparency,
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child: BackButton(color: Colors.white),
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),
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),
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),
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const Spacer(),
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// App logo
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Padding(
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padding: const EdgeInsets.only(bottom: 24.0),
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child: ClipRect(
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child: Container(
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// Png shadow *hack*
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child: Stack(
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children: [
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Padding(
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padding: const EdgeInsets.only(top: 8.0),
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child: Opacity(
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child: Image.asset(
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"assets/icons/ic_splash.png",
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color: Colors.black),
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opacity: 0.3),
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),
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BackdropFilter(
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filter:
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ImageFilter.blur(sigmaX: 6.0, sigmaY: 6.0),
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child: Image.asset("assets/icons/ic_splash.png"),
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)
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],
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),
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width: MediaQuery.of(context).size.width / 4,
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margin: const EdgeInsets.only(
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left: 12.0, right: 12.0, bottom: 12.0),
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),
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),
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),
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// Inputs
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32.0),
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child: AutofillGroup(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Username
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Padding(
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padding: const EdgeInsets.only(bottom: 6.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: Text(
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"username".i18n,
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maxLines: 1,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w600,
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fontSize: 14.0,
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),
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),
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),
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Expanded(
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child: Text(
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"usernameHint".i18n,
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maxLines: 1,
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textAlign: TextAlign.right,
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style: const TextStyle(
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color: Colors.white54,
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fontWeight: FontWeight.w500,
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fontSize: 12.0,
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),
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),
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),
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],
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),
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),
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Padding(
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padding: const EdgeInsets.only(bottom: 12.0),
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child: LoginInput(
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style: LoginInputStyle.username,
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controller: usernameController,
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),
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),
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// Password
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Padding(
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padding: const EdgeInsets.only(bottom: 6.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: Text(
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"password".i18n,
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maxLines: 1,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w600,
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fontSize: 14.0,
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),
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),
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),
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Expanded(
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child: Text(
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"passwordHint".i18n,
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maxLines: 1,
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textAlign: TextAlign.right,
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style: const TextStyle(
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color: Colors.white54,
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fontWeight: FontWeight.w500,
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fontSize: 12.0,
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),
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),
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),
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],
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),
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),
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Padding(
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padding: const EdgeInsets.only(bottom: 12.0),
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child: LoginInput(
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style: LoginInputStyle.password,
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controller: passwordController,
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),
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),
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// School
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Padding(
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padding: const EdgeInsets.only(bottom: 6.0),
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child: Text(
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"school".i18n,
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maxLines: 1,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w600,
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fontSize: 14.0,
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),
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),
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),
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SchoolInput(
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scroll: _scrollController,
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controller: schoolController,
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),
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],
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),
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),
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),
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// Log in button
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Padding(
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padding: const EdgeInsets.only(top: 42.0),
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child: Visibility(
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child: LoginButton(
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child: Text("login".i18n,
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maxLines: 1,
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style: const TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: 15.0,
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)),
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onPressed: () => _loginAPI(context: context),
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),
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visible: _loginState != LoginState.inProgress,
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replacement: const Padding(
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padding: EdgeInsets.symmetric(vertical: 6.0),
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child: CircularProgressIndicator(
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valueColor:
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AlwaysStoppedAnimation<Color>(Colors.white),
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),
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),
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),
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),
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if (_loginState == LoginState.missingFields ||
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_loginState == LoginState.invalidGrant ||
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_loginState == LoginState.failed)
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Padding(
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padding: const EdgeInsets.only(top: 8.0),
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child: Text(
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[
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"missing_fields",
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"invalid_grant",
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"error"
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][_loginState.index]
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.i18n,
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style: const TextStyle(
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color: Colors.red, fontWeight: FontWeight.w500),
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),
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),
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const Spacer()
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],
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),
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),
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),
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),
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),
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);
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}
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void _loginAPI({required BuildContext context}) {
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String username = usernameController.text;
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String password = passwordController.text;
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tempUsername = username;
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if (username == "" ||
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password == "" ||
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schoolController.selectedSchool == null) {
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return setState(() => _loginState = LoginState.missingFields);
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}
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void _callAPI() {
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loginAPI(
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username: username,
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password: password,
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instituteCode: schoolController.selectedSchool!.instituteCode,
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context: context,
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onLogin: (user) {
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ScaffoldMessenger.of(context).showSnackBar(CustomSnackBar(
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context: context,
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brightness: Brightness.light,
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content: Text("welcome".i18n.fill([user.name]),
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overflow: TextOverflow.ellipsis),
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));
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},
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onSuccess: () {
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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setSystemChrome(context);
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Navigator.of(context).pushReplacementNamed("login_to_navigation");
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}).then(
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(res) => setState(() {
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// if (res == LoginState.invalidGrant &&
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// tempUsername.replaceAll(username, '').length <= 3) {
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// tempUsername = username + ' ';
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// Timer(
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// const Duration(milliseconds: 500),
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// () => _loginAPI(context: context),
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// );
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// // _loginAPI(context: context);
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// } else {
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_loginState = res;
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// }
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}),
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);
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}
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setState(() => _loginState = LoginState.inProgress);
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_callAPI();
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}
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}
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