kodelog/lib/okna/signin_page.dart
Matyáš Caras f7eaf804bd 2.0.1
Co-authored-by: Richard Pavlikán <richardpavlikan@gmail.com>
2023-03-08 22:09:25 +01:00

442 lines
15 KiB
Dart

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:denikprogramatora/okna/app.dart';
import 'package:denikprogramatora/utils/loading_widget.dart';
import 'package:denikprogramatora/utils/my_container.dart';
import 'package:denikprogramatora/utils/vzhled.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'package:responsive_sizer/responsive_sizer.dart';
import 'package:url_launcher/url_launcher_string.dart';
class SignInPage extends StatefulWidget {
const SignInPage({super.key});
@override
State<SignInPage> createState() => _SignInPageState();
}
class _SignInPageState extends State<SignInPage> {
bool isLoading = true;
bool isSignInWidget = true;
bool showEmailPage = true;
String oldDocId = "";
TextEditingController emailCon = TextEditingController();
TextEditingController passwordCon = TextEditingController();
TextEditingController nameCon = TextEditingController();
String jazyk = "C#";
@override
void initState() {
super.initState();
SchedulerBinding.instance.addPostFrameCallback((timeStamp) {
if (FirebaseAuth.instance.currentUser != null) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (c) => const HlavniOkno()),
);
}
if (mounted) {
setState(() {
isLoading = false;
});
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: isLoading
? const LoadingWidget()
: Stack(
children: [
Center(
child: isSignInWidget ? signInWidget() : registerWidget(),
),
Positioned(
bottom: 10,
left: 10,
child: TextButton(
onPressed: () => showAboutDialog(
context: context,
applicationName: "Kodelog",
applicationVersion: "2.0.1",
applicationLegalese:
"©️ 2023 Matyáš Caras a Richard Pavlikán,\n vydáno pod licencí AGPLv3",
children: [
TextButton(
child: const Text("Zdrojový kód"),
onPressed: () => launchUrlString(
"https://github.com/Royal-Buccaneers/kodelog"),
)
]),
child: const Text(
"Licence",
style: Vzhled.textBtn,
),
),
)
],
),
);
}
Widget signInWidget() {
GlobalKey<FormState> form = GlobalKey<FormState>();
return MyContainer(
height: 70.h,
width: (Device.screenType == ScreenType.mobile) ? 80.w : 40.w,
child: Form(
key: form,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Kodelog",
style: TextStyle(fontSize: 20.sp, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
const SizedBox(
height: 30,
),
SizedBox(
width: (Device.screenType == ScreenType.mobile) ? 60.w : 30.w,
child: TextFormField(
decoration: Vzhled.inputDecoration("E-mail nebo Username"),
cursorColor: Vzhled.textColor,
keyboardType: TextInputType.emailAddress,
autocorrect: false,
controller: emailCon,
onFieldSubmitted: (_) {
if (form.currentState!.validate()) {
signIn();
}
},
validator: (value) {
if (value!.trim().isEmpty) {
return "Toto pole je povinné!";
}
return null;
},
),
),
const SizedBox(
height: 20,
),
SizedBox(
width: (Device.screenType == ScreenType.mobile) ? 60.w : 30.w,
child: TextFormField(
decoration: Vzhled.inputDecoration("Heslo"),
cursorColor: Vzhled.textColor,
autocorrect: false,
obscureText: true,
controller: passwordCon,
onFieldSubmitted: (_) {
if (form.currentState!.validate()) {
signIn();
}
},
validator: (value) {
if (value!.trim().isEmpty) {
return "Toto pole je povinné!";
}
return null;
},
),
),
const SizedBox(
height: 20,
),
OutlinedButton(
style: Vzhled.orangeCudlik,
onPressed: () {
if (form.currentState!.validate()) {
signIn();
}
},
child: const Text("Přihlásit se"),
),
const SizedBox(
height: 10,
),
const Text("nebo"),
const SizedBox(
height: 10,
),
TextButton(
onPressed: () {
setState(() {
isSignInWidget = false;
showEmailPage = true;
});
},
child: const Text(
"Přihlašuji se poprvé",
style: Vzhled.textBtn,
),
),
],
),
),
);
}
Widget registerWidget() {
GlobalKey<FormState> form = GlobalKey<FormState>();
return MyContainer(
height: 70.h,
width: (Device.screenType == ScreenType.mobile) ? 80.w : 40.w,
child: Form(
key: form,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Kodelog",
style: TextStyle(fontSize: 20.sp, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
const SizedBox(
height: 30,
),
showEmailPage
? SizedBox(
width:
(Device.screenType == ScreenType.mobile) ? 60.w : 30.w,
child: TextFormField(
decoration: Vzhled.inputDecoration("Váš e-mail"),
cursorColor: Vzhled.textColor,
keyboardType: TextInputType.emailAddress,
autocorrect: false,
controller: emailCon,
validator: (value) {
if (value!.trim().isEmpty) {
return "Toto pole je povinné!";
}
return null;
},
),
)
: SizedBox(
width:
(Device.screenType == ScreenType.mobile) ? 60.w : 30.w,
child: TextFormField(
decoration: Vzhled.inputDecoration("Váš nové heslo"),
cursorColor: Vzhled.textColor,
autocorrect: false,
obscureText: true,
controller: passwordCon,
validator: (value) {
if (value!.trim().isEmpty) {
return "Toto pole je povinné!";
}
return null;
},
),
),
const SizedBox(
height: 20,
),
showEmailPage
? OutlinedButton(
style: Vzhled.orangeCudlik,
onPressed: () async {
if (form.currentState!.validate()) {
var emailRef = await FirebaseFirestore.instance
.collection("users")
.where("email", isEqualTo: emailCon.text)
.get();
if (emailRef.docs.isEmpty) {
// ignore: use_build_context_synchronously
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text(
"Účet s tímto emailem neexistuje. Pro přístup do aplikace musí váš email přidat admin aplikace."),
),
);
return;
}
setState(() {
oldDocId = emailRef.docs.first.id;
showEmailPage = false;
});
}
},
child: const Text("Pokračovat"),
)
: OutlinedButton(
onPressed: () async {
if (form.currentState!.validate()) {
await FirebaseAuth.instance
.createUserWithEmailAndPassword(
email: emailCon.text,
password: passwordCon.text)
.then((value) async {
await FirebaseFirestore.instance
.collection("users")
.doc(oldDocId)
.get()
.then((value) {
FirebaseFirestore.instance
.collection("users")
.doc(FirebaseAuth.instance.currentUser!.uid)
.set({
"name": value["name"],
"favourite": value["favourite"],
"isAdmin": value["isAdmin"],
"username": value["username"],
"email": value["email"],
});
}).then((value) {
FirebaseFirestore.instance
.collection("users")
.doc(oldDocId)
.delete();
});
// ignore: use_build_context_synchronously
Navigator.pushReplacement(
context,
MaterialPageRoute(
builder: (context) => const HlavniOkno(),
),
);
}).onError((e, st) {
if (e
.toString()
.contains("firebase_auth/email-already-in-use")) {
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text(
"Váš účet už existuje, prosím přihlaste se"),
),
);
} else if (e
.toString()
.contains("firebase_auth/wrong-password")) {
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text("Zadáváte špatné heslo!"),
),
);
}
return;
});
}
},
style: Vzhled.orangeCudlik,
child: const Text("Pokračovat")),
const SizedBox(
height: 10,
),
const Text("nebo"),
const SizedBox(
height: 10,
),
TextButton(
onPressed: () {
setState(() {
isSignInWidget = true;
});
},
child: const Text(
"Účet mám vytvořen, chci se přihlásit",
style: Vzhled.textBtn,
),
),
],
),
),
);
}
void signIn() async {
setState(() {
isLoading = true;
});
String email = emailCon.text;
if (!emailCon.text.contains("@")) {
var usernameRef = await FirebaseFirestore.instance
.collection("users")
.where("username", isEqualTo: emailCon.text)
.get();
if (usernameRef.docs.isEmpty) {
// ignore: use_build_context_synchronously
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text("Účet s tímto jménem neexistuje"),
),
);
setState(() {
isLoading = false;
});
return;
}
email = usernameRef.docs.single.data()["email"];
}
FirebaseAuth.instance
.signInWithEmailAndPassword(email: email, password: passwordCon.text)
.then(
(value) => Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (c) => const HlavniOkno()),
),
)
.onError((e, st) {
if (e.toString().contains("firebase_auth/user-not-found")) {
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text("Váš účet neexistuje"),
),
);
} else if (e.toString().contains("firebase_auth/wrong-password")) {
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text("Zadáváte špatné heslo!"),
),
);
} else {
showDialog(
context: context,
builder: (c) => const AlertDialog(
title: Text("Chyba"),
content: Text("Nastala neznámá chyba."),
),
);
debugPrint(e.toString());
}
});
if (mounted) {
setState(() {
isLoading = false;
});
}
}
}