توسعه برنامه های تلفن همراه برای کنترل نرده های وینیل و تقویت امنیت

import React, { useEffect } from 'react';
import { Button, View, Text } from 'react-native';
import init from 'react_native_mqtt';
import AsyncStorage from '@react-native-async-storage/async-storage';

init({
  size: 10000,
  storageBackend: AsyncStorage,
  defaultExpires: 1000 * 3600 * 24,
  enableCache: true,
  reconnect: true,
});

const client = new Paho.MQTT.Client('broker.hivemq.com', 8000, 'fenceAppClient');

const FenceApp = () => {
  useEffect(() => {
    client.connect({ onSuccess: () => console.log('Connected') });
  }, []);

  const sendCommand = (cmd) => {
    client.send('home/fence/control', cmd);
  };

  return (
    <View style={{ padding: 20 }}>
      <Text>Vinyl Fence Controller</Text>
      <Button title="Open Gate" onPress={() => sendCommand('OPEN')} />
      <Button title="Close Gate" onPress={() => sendCommand('CLOSE')} />
    </View>
  );
};

export default FenceApp;

const express = require('express');
const app = express();
app.use(express.json());

const logs = [];

app.post('/log-command', (req, res) => {
  const { command, user } = req.body;
  logs.push({ timestamp: Date.now(), command, user });
  res.sendStatus(200);
});

app.get('/logs', (req, res) => {
  res.json(logs);
});

app.listen(3000, () => console.log('API running on port 3000'));

#include 
#include 

const char* ssid = "YOUR_WIFI";
const char* password = "YOUR_PASS";
const char* mqtt_server = "broker.hivemq.com";

WiFiClient espClient;
PubSubClient client(espClient);

void callback(char* topic, byte* payload, unsigned int length) {
  String command = "";
  for (int i = 0; i < length; i++) command += (char)payload[i];
  if (command == "OPEN") digitalWrite(D1, HIGH);
  if (command == "CLOSE") digitalWrite(D1, LOW);
}

void setup() {
  pinMode(D1, OUTPUT);
  WiFi.begin(ssid, password);
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);
  while (!client.connected()) client.connect("FenceESPClient");
  client.subscribe("home/fence/control");
}

void loop() {
  client.loop();
}