added mysql database for storing data every second

2024-05-30 11:49:43 +08:00 · 2024-05-30 11:49:43 +08:00 · d00228867a
parent be29a44b9e
commit d00228867a
7 changed files with 485 additions and 14 deletions
--- a/._.DS_Store
+++ b/._.DS_Store
--- a/bun.lockb
+++ b/bun.lockb
--- a/conn.js
+++ b/conn.js
@ -0,0 +1,22 @@
+const mysql = require('mysql');
+const dotenv = require('dotenv');
+
+dotenv.config();
+
+// Connect to the MySQL database
+const connection = mysql.createConnection({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASS,
+    database: process.env.DB_NAME
+});
+
+// connection.connect((err) => {
+//     if (err) {
+//         console.error('Error connecting to MySQL database: ' + err.stack);
+//         return;
+//     }
+//     console.log('Connected to MySQL database as id ' + connection.threadId);
+// })
+
+module.exports = {connection}
--- a/index.js
+++ b/index.js
@ -1,31 +1,198 @@
 const express = require('express');
-const bodyParser = require('body-parser');
-
+const http = require('http');
+const cors = require('cors');
+const dotenv = require('dotenv');
+const socket = require('./socket');
 const app = express();
-const port = 3001;
+const server = http.createServer(app);
+const io = socket.init(server);
+const iosend = socket.getIO();
+const conn = require('./conn.js');
+const connection = conn.connection;

-// Parse JSON bodies
-app.use(bodyParser.json());
+dotenv.config();
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+// app.use(fileUpload());
+app.options('*', cors());
+app.use(cors());
+
+function timeStringToDate(timeStr) {
+  const [hours, minutes, seconds] = timeStr.split(':').map(Number);
+  const date = new Date();
+  date.setHours(hours, minutes, seconds, 0);
+  return date;
+}

 // Handle POST requests to '/post'
-app.post('/post', (req, res) => {
+app.post('/', async (req, res) => {
  // Access the POST data sent in the request body
-  const postData = req.body;
+  var postData = req.body;

+  const query_search = 'Select * from tb_data where fase=?';
+
+  const result_search = await new Promise((resolve, reject) => {
+    connection.query(query_search, [postData.fase], (err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(result);
+      }
+    });
+  })
+  var now = new Date();
+  var hours = now.getHours();
+  var minutes = now.getMinutes();
+  var seconds = now.getSeconds();
+
+  // Pad single digits with leading zeros
+  hours = hours < 10 ? '0' + hours : hours;
+  minutes = minutes < 10 ? '0' + minutes : minutes;
+  seconds = seconds < 10 ? '0' + seconds : seconds;
+  // change the time to 24 h format with no AM/PM . example 12:00:01, li
+  time = hours + ':' + minutes + ':' + seconds;
+  // if time only 12:00 add :00
+
+  // console.log(result_search);
+  if (result_search.length > 0) {
+    // get the last data
+    const data_seach = result_search[result_search.length - 1];
+    const time_last = data_seach.time;
+    console.log("ini current time: " + time)
+    // console.log("ini last time: " + time_last)
+    const converted_time_last = timeStringToDate(time_last);
+    const converted_time = timeStringToDate(time);
+    console.log('Converted time:', converted_time);
+    console.log('Converted time last:', converted_time_last);
+
+    // Calculate the difference in seconds
+    const differenceInSeconds = (converted_time - converted_time_last) / 1000;
+
+    console.log('Difference in seconds:', differenceInSeconds);
+
+    // Check if the difference is exactly 30 seconds
+    // const isThirtySecondsApart = differenceInSeconds === 30;
+
+
+    // check if time_last is 30 second ago from time
+    // if (differenceInSeconds < 10800) {
+    if (differenceInSeconds < 3600) {
+      console.log('data is not new');
+      postData.time = time;
+      console.log('Received data:', postData);
+      iosend.emit('datanya', postData);
+
+
+      // Respond with a simple message
+      res.send('Received your POST request!');
+      return;
+    }
+    const query_insert = 'INSERT INTO tb_data (fase, voltage, current, power, energy, pf, time) VALUES (?, ?, ?, ?, ?, ?, ?)';
+    const result_insert = await new Promise((resolve, reject) => {
+      connection.query(query_insert, [postData.fase, postData.voltage, postData.current, postData.power, postData.energy, postData.pf, time], (err, result) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(result);
+        }
+      });
+    })
+  } else {
+    const query_insert = 'INSERT INTO tb_data (fase, voltage, current, power, energy, pf, time) VALUES (?, ?, ?, ?, ?, ?, ?)';
+    const result_insert = await new Promise((resolve, reject) => {
+      connection.query(query_insert, [postData.fase, postData.voltage, postData.current, postData.power, postData.energy, postData.pf, time], (err, result) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(result);
+        }
+      });
+    })
+  }
  // Process the received data
+
+  // get timge by hh:mm
+
+
+
+
+
+  postData.time = time;
  console.log('Received data:', postData);
+  iosend.emit('datanya', postData);
+

  // Respond with a simple message
  res.send('Received your POST request!');
 });

-app.get('/get', (req, res) => {
-  // Respond with a simple message
-  console.log('Received GET request');
-  res.status(200).send({ message: 'Hello World!' });
+app.get('/', async (req, res) => {
+  // only show 10 last data
+  const query_fase_r = 'Select * from tb_data where fase="Fase R" order by id desc limit 10';
+  const query_fase_s = 'Select * from tb_data where fase="Fase S" order by id desc limit 10';
+  const query_fase_t = 'Select * from tb_data where fase="Fase T" order by id desc limit 10';
+
+  const result_fase_r = await new Promise((resolve, reject) => {
+    connection.query(query_fase_r, (err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(result);
+      }
+    });
+  })
+  const result_fase_s = await new Promise((resolve, reject) => {
+    connection.query(query_fase_s, (err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(result);
+      }
+    });
+  })
+  const result_fase_t =await  new Promise((resolve, reject) => {
+    connection.query(query_fase_t, (err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(result);
+      }
+    })
+  })
+
+  return res.json({ "result_fase_r": result_fase_r, "result_fase_s": result_fase_s, "result_fase_t": result_fase_t });
+
 })

+// app error handler
+app.use((err, req, res, next) => {
+  console.log(err);
+  res.status(500).send('Something broke!');
+});
+
+io.on('connection', (socket) => {
+  let userID = socket.id;
+  console.log('A user connected: ' + userID);
+
+  socket.on('scan_dia', (data) => {
+    console.log('Received scan_dia event: ' + data);
+  });
+
+  socket.on('disconnect', () => {
+    console.log('User disconnected: ' + userID);
+  });
+});
+
+module.exports = {
+  app,
+  server,
+  io
+};
+
+const port = process.env.PORT || 3001;
+
 // Start the server
-app.listen(port, () => {
+server.listen(port, () => {
  console.log(`Server is running on http://localhost:${port}`);
 });
--- a/package-lock.json
+++ b/package-lock.json
@ -9,9 +9,37 @@
      "version": "1.0.0",
      "license": "ISC",
      "dependencies": {
+        "dotenv": "^16.4.5",
        "express": "^4.19.2",
        "express-form-data": "^2.0.23",
-        "nodemon": "^3.1.0"
+        "nodemon": "^3.1.0",
+        "socket.io": "^4.7.5"
+      }
+    },
+    "node_modules/@socket.io/component-emitter": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
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+    },
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+    },
+    "node_modules/@types/cors": {
+      "version": "2.8.17",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
+      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.8.tgz",
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+      "dependencies": {
+        "undici-types": "~5.26.4"
      }
    },
    "node_modules/abbrev": {
@ -61,6 +89,14 @@
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    },
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    },
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+        "vary": "^1"
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@ -320,6 +368,17 @@
        "npm": "1.2.8000 || >= 1.4.16"
      }
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@ -333,6 +392,63 @@
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@ -888,6 +1004,14 @@
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@ -1137,6 +1261,107 @@
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+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
    "node_modules/universalify": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
@ -1246,6 +1476,26 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/ws": {
+      "version": "8.11.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.11.0.tgz",
+      "integrity": "sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/yallist": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
--- a/package.json
+++ b/package.json
@ -11,8 +11,11 @@
  "author": "kicap",
  "license": "ISC",
  "dependencies": {
+    "dotenv": "^16.4.5",
    "express": "^4.19.2",
    "express-form-data": "^2.0.23",
-    "nodemon": "^3.1.0"
+    "mysql": "^2.18.1",
+    "nodemon": "^3.1.0",
+    "socket.io": "^4.7.5"
  }
 }
--- a/socket.js
+++ b/socket.js
@ -0,0 +1,29 @@
+const socketio = require('socket.io');
+// const socketio_client = require('socket.io-client');
+const dotenv = require('dotenv');
+
+dotenv.config();
+
+// const socket_client = socketio_client("http://localhost:"+process.env.PORT);
+
+let io;
+
+function init(server) {
+  io = socketio(server);
+  return io;
+}
+
+function getIO() {
+  if (!io) {
+    throw new Error('Socket.io not initialized');
+  }
+  return io;
+}
+
+
+
+module.exports = {
+  init,
+  getIO,
+  // socket_client
+};