Merhabalar. Flutter’dan online bir uygulama yazmaya çalışıyorum ama python sunucusuna veri gönderemiyorum.
Flutter client kodu:
//import 'dart:developer'; enes yavuz bi tane program kullanıodu c için ona sor
//import 'dart:io';
//import 'package:dart_eval/dart_eval.dart';
import 'dart:convert';
import 'dart:developer';
import 'package:awesome_dialog/awesome_dialog.dart';
import 'package:flutter/material.dart';
import 'package:web_socket_channel/status.dart' as status;
import 'package:web_socket_channel/web_socket_channel.dart';
String HOST = 'localhost';
int PORT = 4609;
void main() async {
// Dart client
runApp(
const MaterialApp(
home: MainPage(),
),
);
}
//class Connection(){
//}
bool logedIn = false;
String username = 'null';
String passWord = 'null';
int _x = 0;
int _bakiye = 0;
int _indexCurrent = 0;
String inputUsername = 'null';
String inputPassWord = 'null';
String appBarTopicYemek = 'Restorantlar';
class LogInPage extends StatefulWidget {
const LogInPage({super.key});
@override
State<LogInPage> createState() => _LogInPageState();
}
//giriş yapma sayfası
class _LogInPageState extends State<LogInPage> {
final _textControllerPassword = TextEditingController();
final _textControllerUsername = TextEditingController();
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
leading: BackButton(
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => const MainPage()));
},
),
centerTitle: true,
title: const Text('Giriş Yap'),
backgroundColor: const Color.fromARGB(255, 77, 222, 255),
),
body: Center(
child: SizedBox(
width: 300,
height: double.infinity,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
const Text('\n\n\n\n'),
SizedBox(
width: 300,
child: TextField(
controller: _textControllerUsername,
decoration: InputDecoration(
hintText: 'Kullanıcı Adı',
border: const OutlineInputBorder(),
suffixIcon: IconButton(
onPressed: () {
_textControllerUsername.clear();
},
icon: const Icon(Icons.clear),
),
),
maxLength: 16,
),
),
const Text('\n', style: TextStyle(fontSize: 5)),
SizedBox(
width: 300,
child: TextField(
obscureText: true,
controller: _textControllerPassword,
decoration: InputDecoration(
hintText: 'Şifre',
border: const OutlineInputBorder(),
suffixIcon: IconButton(
onPressed: () {
_textControllerPassword.clear();
},
icon: const Icon(Icons.clear),
),
),
),
),
const Text('\n'),
Row(mainAxisAlignment: MainAxisAlignment.end, children: [
ElevatedButton(
onPressed: () {
inputPassWord = _textControllerPassword.text;
inputUsername = _textControllerUsername.text;
// TODO: make a password correction system
// TODO: sent and get comments to server
sendData();
//if (passwordCorrection(inputUsername, inputPassWord)) {
//setState(
//() {
//logedIn = true;
//passWord = _textControllerPassword.text;
//username = _textControllerUsername.text;
//},
//);
//} else {
//AwesomeDialog(
// context: context,
// dialogType: DialogType.error,
// animType: AnimType.rightSlide,
//title: 'Kullanıcı Adı ya da Şifre Yanlış',
//titleTextStyle: const TextStyle(fontSize: 15),
//desc: '',
//btnOkText: 'Tamam',
//btnOkOnPress: () {})
//.show();
//}
},
child: const Text('Giriş Yap'),
),
]),
],
),
),
),
),
);
}
}
class MainPage extends StatefulWidget {
const MainPage({super.key});
@override
State<MainPage> createState() => _MainPageState();
}
//anasayfa
class _MainPageState extends State<MainPage> {
@override
Widget build(BuildContext context) {
return SizedBox(
child: MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
appBar: AppBar(
centerTitle: true,
title: const Text('Ana Sayfa'),
backgroundColor: const Color.fromARGB(255, 77, 222, 255),
),
body: Center(
child: SizedBox(
width: double.infinity,
height: double.infinity,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(''),
Row(
children: [
const Text(' '),
SizedBox(
width: 166,
height: 166,
child: ElevatedButton(
onPressed: () {
//yemek bölümünü aç
appBarTopicYemek = 'Restorantlar';
_indexCurrent = 0;
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const Yemek(),
),
);
},
child: const Text('Yemek'),
),
),
],
)
],
),
),
),
),
),
);
}
}
class Yemek extends StatefulWidget {
const Yemek({super.key});
@override
State<Yemek> createState() => _YemekState();
}
//yemek bölümü
class _YemekState extends State<Yemek> {
@override
Widget build(BuildContext context) {
return SizedBox(
child: MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
appBar: AppBar(
leading: BackButton(
onPressed: () {
//anasayfaya yönlendir
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const MainPage(),
),
);
},
),
centerTitle: true,
title: Text(appBarTopicYemek),
backgroundColor: const Color.fromARGB(255, 77, 222, 255),
),
body: Center(
child: _indexCurrent == 0
? SizedBox(
//homepage
width: double.infinity,
height: double.infinity,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Text(
'DENÜŞ \n',
style: TextStyle(fontSize: 25),
),
Text('$_x \n'),
SizedBox(
width: 125,
height: 66,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor:
const Color.fromARGB(255, 0, 216, 231),
foregroundColor:
const Color.fromARGB(255, 0, 0, 0),
),
onPressed: () {
setState(
() {
_x++;
},
);
},
child: const Text('Click'),
),
),
],
),
)
: _indexCurrent == 1
? SizedBox(
//Wallet
height: double.infinity,
width: double.infinity,
child: Column(
children: [
const Text(' \n \n'),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
height: 45,
width: 45,
child: ElevatedButton(
onPressed: () {
setState(
() {
_bakiye += 1;
},
);
},
child: const Text(
'+ ',
style: TextStyle(fontSize: 35),
),
),
),
Text(
' $_bakiye TL ',
style: const TextStyle(fontSize: 60),
),
SizedBox(
width: 45,
height: 45,
child: ElevatedButton(
onPressed: () {
setState(
() {
if (_bakiye >= 1) {
_bakiye += -1;
}
},
);
},
child: const Text(
'-',
style: TextStyle(fontSize: 35),
),
),
),
],
),
],
),
)
: logedIn == false
? SizedBox(
//User
width: double.infinity,
height: double.infinity,
child: Column(
children: [
ElevatedButton(
onPressed: () {
AwesomeDialog(
context: context,
dialogType: DialogType.noHeader,
animType: AnimType.rightSlide,
title: 'Kaydol Ya Da Giriş Yap',
titleTextStyle:
const TextStyle(fontSize: 40),
desc: '',
btnCancel: ElevatedButton(
onPressed: () {},
child: const Text('Kaydol')),
btnOk: ElevatedButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
const LogInPage()));
},
child: const Text('Giriş Yap')),
).show();
},
child: const Text('Giriş Yap'),
),
],
),
)
: const SizedBox(
child: Text('Work in progress'),
),
),
bottomNavigationBar: BottomNavigationBar(
items: const [
BottomNavigationBarItem(
label: 'home',
icon: Icon(Icons.home),
),
BottomNavigationBarItem(
label: 'wallet',
icon: Icon(Icons.wallet),
),
BottomNavigationBarItem(
label: 'User Settings',
icon: Icon(Icons.supervised_user_circle_rounded),
)
],
currentIndex: _indexCurrent,
onTap: (int index) {
setState(
() {
_indexCurrent = index;
if (index == 0) {
appBarTopicYemek = 'Restoranlar';
}
if (index == 1) {
appBarTopicYemek = 'Cüzdan';
}
if (index == 2) {
appBarTopicYemek = 'Kullanıcı Ayarları';
}
},
);
},
),
),
),
);
}
}
void sendData() async {
final channel = WebSocketChannel.connect(Uri.parse('ws://$HOST:$PORT'));
channel.sink.add(
json.encode('FU'));
channel.stream.listen((data) {
String msg = data;
print(msg);
},
);
}
String setVariable(
String username, String password, String nameOfVar, String newValue) {
final channel = WebSocketChannel.connect(Uri.parse('wss://$HOST:$PORT'));
//send comment to server
String msg = 'null';
channel.sink.add(
json.encode('SET\$$nameOfVar\$$newValue\$$username\$$passWord'));
//get msg from server (msg shows if username or password correct)
channel.stream.listen(
(data) {
msg =json.decode(data);
},
);
channel.sink.close(status.goingAway);
return msg;
}
int getVariable(String username, String password, String nameOfVar) {
final channel = WebSocketChannel.connect(Uri.parse('wss://$HOST:$PORT'));
int msg = 0;
channel.sink
.add(json.encode('SET\$$nameOfVar\$$username\$$passWord'));
channel.stream.listen(
(data) {
msg = int.parse(json.decode(data));
},
);
channel.sink.close(status.goingAway);
return msg;
}
bool passwordCorrection(username, password) {
final channel = WebSocketChannel.connect(Uri.parse('wss://$HOST:$PORT'));
bool correct = false;
channel.sink
.add(json.encode('PASSWORDCORRECTION\$$username\$$passWord'));
channel.stream.listen(
(data) {
if (data == 1) {
correct = true;
}
},
);
}
Python server kodu:
import socket
from json import dump,loads,load
from time import sleep as s
class Database():
def __init__(self, HOST, PORT, FİLE):
self.HOST = HOST
self.PORT = PORT
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.file = open(FİLE,"r+",encoding="utf-8")
self.collection = load(self.file)
def connect(self):
try:
self.socket.bind((self.HOST, self.PORT))
self.socket.listen()
except:
print('Denüjüm bağlayamadı((((((((()))))))))')
def get_operation(self):
c, addr = self.socket.accept()
print(f"{addr} connected.")
try:
msg = c.recv(1024).decode('utf-8').split("$")
if msg[0] == "SET":
#1 = variable that we want to change
#2 = new value of the variable
#3 = username
#4 = password
if self.collection[msg[3]]["password"]["value"] == msg[4]:
#make that dont delete everythink and add a new variable. change the variables value, if it is not possible create new variable with that name
if msg[1] in self.collection[msg[3]]:
if self.collection[msg[3]][msg[1]]["changeable"]:
self.collection[msg[3]][msg[1]]["value"] = msg[2]
c.send(repr(1).encode())
print(f"{addr} changed {msg[1]}'s value to {msg[2]}")
else:
print(f"{addr} want to change {msg[1]} but {msg[1]} isnt changeable")
c.send(repr(3).encode())
else:
print(f"{addr}'s want to change {msg[1]} but it doesn't exist")
c.send(repr(2).encode())
else:
c.send(repr(0).encode())
print(f"{addr}'s want to change {msg[1]} but password is wrong")
elif msg[0] == "GET":
if self.collection[msg[2]]["password"]["value"] == msg[3]:
if msg[1] in self.collection[msg[2]]:
print(f"{addr}'s got {msg[1]}'s value")
c.send(repr(self.collection[msg[2]][msg[1]]["value"]).encode())
else:
print(f"{addr}'s want to get {msg[1]} but it doesn't exist")
else:
print(f"{addr}'s want to get {msg[1]} but password is wrong ")
elif msg[0] == "SIGNUP":
#send correction mail to msg[3]
self.collection[msg[1]]["password"]["value"] = msg[2]
c.send(repr(1).encode())
elif msg[0] == "PASSWORDCORRECTION":
if self.collection[msg[1]]["password"]["value"] == msg[2]:
c.send(repr(1).encode())
else:
c.send(repr(0).encode())
elif msg[0] == "FU":
print("FUUUUUU\n\n\n\n\n\n\nFUUUUUU")
else:
print(f"Got a unknown foncion: {msg}")
c.send(repr(0).encode())
except Exception as e:
print(c.recv(1024))
print(f"Unable to use: {e}")
HOST = "localhost"
PORT = 4609
FİLE = "infs.json"
db = Database(HOST, PORT, FİLE)
db.connect()
while True:
db.get_operation()