Update server.js
update time fromat
This commit is contained in:
parent
34dd53c0fd
commit
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361
server.js
361
server.js
@ -1,126 +1,327 @@
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require('dotenv').config();
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const express = require('express');
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const mysql = require('mysql2/promise');
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const bodyParser = require('body-parser');
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const path = require('path');
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const knex = require('knex');
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const axios = require('axios');
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// Initialize MariaDB connection via Knex
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const db = knex({
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client: process.env.DB_CLIENT,
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connection: {
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host: process.env.DB_HOST,
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port: process.env.DB_PORT,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME
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}
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});
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const { uploadTrendsCsv } = require('./s3');
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const app = express();
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const PORT = process.env.PORT || 3000;
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const slackWebhook = process.env.SLACK_WEBHOOK_URL;
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// Create table if not exists, now with direction
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(async () => {
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if (!await db.schema.hasTable('readings')) {
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await db.schema.createTable('readings', table => {
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table.increments('id').primary();
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table.integer('dockDoor');
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table.string('direction');
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table.timestamp('timestamp');
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table.float('temperature');
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table.float('humidity');
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table.float('heatIndex');
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// In-memory shift counters
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const shiftCounters = {};
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// ─── Helpers ──────────────────────────────────────────────────────────────────
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// zero-pad
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const pad2 = n => n.toString().padStart(2,'0');
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// Format Date in EST as “M/D/YY @HH:mm” using Intl
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function shortEST(date) {
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const dateFmt = new Intl.DateTimeFormat('en-US', {
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timeZone: 'America/New_York',
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month: 'numeric',
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day: 'numeric',
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year: '2-digit'
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});
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}
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})();
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const timeFmt = new Intl.DateTimeFormat('en-US', {
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timeZone: 'America/New_York',
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hour12: false,
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hour: '2-digit',
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minute: '2-digit'
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});
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return `${dateFmt.format(date)} @${timeFmt.format(date)}`;
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}
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// Compute heat index (NOAA formula)
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// Format Date in EST as SQL DATETIME “YYYY-MM-DD HH:mm:ss”
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function formatDateEST(date) {
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// datePart as “YYYY-MM-DD”
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const datePart = new Intl.DateTimeFormat('en-CA', {
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timeZone: 'America/New_York',
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year: 'numeric',
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month: '2-digit',
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day: '2-digit'
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}).format(date);
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// timePart as “HH:MM:SS”
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const timePart = new Intl.DateTimeFormat('en-GB', {
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timeZone: 'America/New_York',
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hour12: false,
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit'
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}).format(date);
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return `${datePart} ${timePart}`;
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}
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// NOAA heat-index formula
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function computeHeatIndex(T, R) {
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const c1 = -42.379, c2 = 2.04901523, c3 = 10.14333127;
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const c4 = -0.22475541, c5 = -6.83783e-3, c6 = -5.481717e-2;
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const c7 = 1.22874e-3, c8 = 8.5282e-4, c9 = -1.99e-6;
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const HI = c1 + c2*T + c3*R + c4*T*R + c5*T*T + c6*R*R + c7*T*T*R + c8*T*R*R + c9*T*T*R*R;
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const [c1,c2,c3,c4,c5,c6,c7,c8,c9] =
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[-42.379,2.04901523,10.14333127,-0.22475541,
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-0.00683783,-0.05481717,0.00122874,0.00085282,-0.00000199];
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const HI = c1 + c2*T + c3*R + c4*T*R
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+ c5*T*T + c6*R*R + c7*T*T*R
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+ c8*T*R*R + c9*T*T*R*R;
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return Math.round(HI * 100) / 100;
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}
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// Determine direction based on door number
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function getDirection(door) {
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door = Number(door);
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if (door >= 124 && door <= 138) return 'Inbound';
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if (door >= 142 && door <= 201) return 'Outbound';
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if (door >= 202 && door <= 209) return 'Inbound';
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return 'Unknown';
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// Determine Day/Night shift and period key
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function getShiftInfo(now) {
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const est = new Date(now.toLocaleString('en-US', { timeZone:'America/New_York' }));
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const h = est.getHours(), m = est.getMinutes();
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let shift, start = new Date(est);
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if (h > 7 || (h === 7 && m >= 0)) {
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if (h < 17 || (h === 17 && m < 30)) {
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shift = 'Day'; start.setHours(7,0,0,0);
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} else {
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shift = 'Night'; start.setHours(17,30,0,0);
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}
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} else {
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shift = 'Night';
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start.setDate(start.getDate() - 1);
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start.setHours(17,30,0,0);
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}
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const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`;
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return { shift, start, key, estNow: est };
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}
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app.use(bodyParser.json());
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app.use(express.static(path.join(__dirname, 'public')));
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// Fetch current weather from OpenWeatherMap
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async function fetchCurrentWeather() {
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const key = process.env.WEATHER_API_KEY;
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const zip = process.env.ZIP_CODE;
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if (!key || !zip) return 'Unavailable';
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try {
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const { data } = await axios.get(
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'https://api.openweathermap.org/data/2.5/weather',
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{ params: { zip:`${zip},us`, appid:key, units:'imperial' } }
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);
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const desc = data.weather[0].description.replace(/^\w/,c=>c.toUpperCase());
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const hi = Math.round(data.main.temp_max);
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const hum = data.main.humidity;
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return `${desc}. Hi of ${hi}, Humidity ${hum}%`;
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} catch (e) {
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console.error('Weather API error:', e.message);
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return 'Unavailable';
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}
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}
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// ─── MariaDB Pool & Table Setup ───────────────────────────────────────────────
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const pool = mysql.createPool({
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host: process.env.DB_HOST,
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port: parseInt(process.env.DB_PORT,10) || 3306,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME,
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waitForConnections: true,
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connectionLimit: 10,
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queueLimit: 0,
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connectTimeout: 10000
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});
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(async ()=>{
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const sql = `
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CREATE TABLE IF NOT EXISTS readings (
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id INT AUTO_INCREMENT PRIMARY KEY,
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location VARCHAR(20) NOT NULL,
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stationDockDoor VARCHAR(10) NOT NULL,
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timestamp DATETIME NOT NULL,
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temperature DOUBLE,
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humidity DOUBLE,
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heatIndex DOUBLE
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);`;
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await pool.execute(sql);
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})();
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// ─── Middleware & Static (serve heatmap.html as index) ───────────────────────
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app.use(bodyParser.json());
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const publicDir = path.join(__dirname,'public');
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app.use(express.static(publicDir, { index: 'heatmap.html' }));
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// ─── SSE Setup ───────────────────────────────────────────────────────────────
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let clients = [];
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app.get('/api/stream', (req, res) => {
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res.set({ 'Content-Type': 'text/event-stream', 'Cache-Control': 'no-cache', Connection: 'keep-alive' });
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app.get('/api/stream',(req,res) => {
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res.set({
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'Content-Type': 'text/event-stream',
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'Cache-Control': 'no-cache',
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Connection: 'keep-alive'
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});
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res.flushHeaders();
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clients.push(res);
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req.on('close', () => { clients = clients.filter(c => c !== res); });
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req.on('close',()=>clients=clients.filter(c=>c!==res));
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});
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function broadcast(event, data) {
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const payload = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
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clients.forEach(res => res.write(payload));
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function broadcast(evt,data){
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const msg = `event: ${evt}\ndata: ${JSON.stringify(data)}\n\n`;
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clients.forEach(c=>c.write(msg));
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}
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app.post('/api/readings', async (req, res) => {
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// ─── Dual Dock-Door Readings Endpoint ────────────────────────────────────────
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app.post('/api/readings', async (req,res) => {
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try {
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const { inbound, outbound } = req.body; // each: {dockDoor,temperature,humidity}
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const timestamp = new Date();
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const entries = [inbound, outbound].map(r => {
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const direction = getDirection(r.dockDoor);
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const heatIndex = computeHeatIndex(r.temperature, r.humidity);
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return { ...r, direction, timestamp, heatIndex };
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const { inbound={}, outbound={} } = req.body;
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const { dockDoor: inD, temperature: inT, humidity: inH } = inbound;
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const { dockDoor: outD, temperature: outT, humidity: outH } = outbound;
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if ([inD,inT,inH,outD,outT,outH].some(v=>v==null))
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return res.status(400).json({ error:'Missing fields' });
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const hiIn = computeHeatIndex(inT, inH);
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const hiOut = computeHeatIndex(outT, outH);
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const now = new Date();
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const { shift, key, estNow } = getShiftInfo(now);
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shiftCounters[key] = (shiftCounters[key]||0) + 1;
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const period = shiftCounters[key];
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const sqlTs = formatDateEST(estNow);
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const shortTs = shortEST(estNow);
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const insertSQL = `
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INSERT INTO readings(location,stationDockDoor,timestamp,temperature,humidity,heatIndex)
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VALUES(?,?,?,?,?,?)`;
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await pool.execute(insertSQL, ['Inbound', String(inD), sqlTs, inT, inH, hiIn]);
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await pool.execute(insertSQL, ['Outbound', String(outD), sqlTs, outT, outH, hiOut]);
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broadcast('new-reading', {
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location: 'Inbound',
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stationDockDoor: String(inD),
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timestamp: shortTs,
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temperature: inT,
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humidity: inH,
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heatIndex: hiIn
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});
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broadcast('new-reading', {
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location: 'Outbound',
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stationDockDoor: String(outD),
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timestamp: shortTs,
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temperature: outT,
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humidity: outH,
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heatIndex: hiOut
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});
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// Insert both
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const ids = await db('readings').insert(entries);
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const saved = entries.map((e, i) => ({ id: ids[i], ...e }));
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// Broadcast and respond
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saved.forEach(reading => broadcast('new-reading', reading));
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// Slack notification with both
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if (slackWebhook) {
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const textLines = saved.map(r =>
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`Door *${r.dockDoor}* (${r.direction}) – Temp: ${r.temperature}°F, Humidity: ${r.humidity}%, HI: ${r.heatIndex}`
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// CSV Upload
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const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
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const dateKey=`${y}${m}${d}`;
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const [rows] = await pool.execute(
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`SELECT * FROM readings WHERE DATE(timestamp)=CURDATE() ORDER BY timestamp`
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);
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await axios.post(slackWebhook, { text: 'New dual readings:\n' + textLines.join('\n') });
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}
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res.json(saved);
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let csvUrl=null;
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try{ csvUrl=await uploadTrendsCsv(dateKey,rows) }
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catch(e){ console.error('CSV upload error',e) }
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const weather = await fetchCurrentWeather();
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const text =
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`*_${shift} shift Period ${period} dock/ trailer temperature checks for ${shortTs}_*\n` +
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`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` +
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`*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n` +
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`*_Temp:_* ${inT} °F 🌡️\n` +
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`*_Humidity:_* ${inH} % 💦\n` +
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`*_Heat Index:_* ${hiIn} °F 🥵\n\n` +
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`*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n` +
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`*_Temp:_* ${outT} °F 🌡️\n` +
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`*_Humidity:_* ${outH} % 💦\n` +
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`*_Heat Index:_* ${hiOut} °F 🥵`;
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// Send to Slack workflow trigger
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await axios.post(
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process.env.SLACK_WEBHOOK_URL,
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{ text },
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{ headers:{ 'Content-Type':'application/json' } }
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);
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res.json({ success:true, shift, period, csvUrl });
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} catch (err) {
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console.error('Error saving readings or sending Slack:', err);
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console.error('POST /api/readings error:', err);
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res.status(500).json({ error: err.message });
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}
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});
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app.get('/api/readings', async (req, res) => {
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// ─── Area/Mod Station Readings Endpoint ─────────────────────────────────────
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app.post('/api/area-readings', async (req,res) => {
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try {
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const rows = await db('readings').orderBy('timestamp', 'asc');
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const { area, stationCode, temperature: T, humidity: H } = req.body;
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if (!area||!stationCode||T==null||H==null)
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return res.status(400).json({ error:'Missing fields' });
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const hi = computeHeatIndex(T, H);
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const now = new Date();
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const { shift, estNow } = getShiftInfo(now);
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const sqlTs = formatDateEST(estNow);
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const shortTs = shortEST(estNow);
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const insertSQL = `
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INSERT INTO readings(location,stationDockDoor,timestamp,temperature,humidity,heatIndex)
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VALUES(?,?,?,?,?,?)`;
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await pool.execute(insertSQL, [area, stationCode, sqlTs, T, H, hi]);
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broadcast('new-area-reading', {
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location: area,
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stationDockDoor: stationCode,
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timestamp: shortTs,
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temperature: T,
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humidity: H,
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heatIndex: hi
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});
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// CSV Upload
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const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
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const dateKey=`${y}${m}${d}`;
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const [rows] = await pool.execute(
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`SELECT * FROM readings WHERE DATE(timestamp)=CURDATE() ORDER BY timestamp`
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);
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let csvUrl=null;
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try{ csvUrl=await uploadTrendsCsv(dateKey,rows) }
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catch(e){ console.error('CSV upload error',e) }
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const weather = await fetchCurrentWeather();
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const text =
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`*_${shift} shift ${area} temp check for ${shortTs}_*\n` +
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`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` +
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`*_${area.toUpperCase()} station:_* ${stationCode}\n` +
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`*_Temp:_* ${T} °F 🌡️\n` +
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`*_Humidity:_* ${H} % 💦\n` +
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`*_Heat Index:_* ${hi} °F 🥵`;
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await axios.post(
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process.env.SLACK_WEBHOOK_URL,
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{ text },
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{ headers:{ 'Content-Type':'application/json' } }
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);
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res.json({ success:true, csvUrl });
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} catch (err) {
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console.error('POST /api/area-readings error:', err);
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res.status(500).json({ error: err.message });
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}
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});
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// ─── GET all readings & CSV export ───────────────────────────────────────────
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app.get('/api/readings', async (req,res) => {
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try {
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const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp`);
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res.json(rows);
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} catch (err) {
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console.error('GET /api/readings error:', err);
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res.status(500).json({ error: err.message });
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}
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});
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app.get('/api/export', async (req, res) => {
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app.get('/api/export', async (req,res) => {
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try {
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const rows = await db('readings').orderBy('timestamp', 'asc');
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res.setHeader('Content-disposition', 'attachment; filename=readings.csv');
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res.set('Content-Type', 'text/csv');
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res.write('id,dockDoor,direction,timestamp,temperature,humidity,heatIndex\n');
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rows.forEach(r =>
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res.write(`${r.id},${r.dockDoor},${r.direction},${r.timestamp},${r.temperature},${r.humidity},${r.heatIndex}\n`)
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);
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const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp`);
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res.setHeader('Content-disposition','attachment; filename=readings.csv');
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res.set('Content-Type','text/csv');
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res.write('id,location,stationDockDoor,timestamp,temperature,humidity,heatIndex\n');
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rows.forEach(r => {
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const ts = formatDateEST(new Date(r.timestamp));
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res.write(`${r.id},${r.location},${r.stationDockDoor},${ts},${r.temperature},${r.humidity},${r.heatIndex}\n`);
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});
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res.end();
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} catch (err) {
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console.error('GET /api/export error:', err);
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res.status(500).send(err.message);
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}
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});
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app.listen(PORT, () => console.log(`Server running on http://localhost:${PORT}`));
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// ─── Start Server ───────────────────────────────────────────────────────────
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app.listen(PORT, ()=>console.log(`Server running http://localhost:${PORT}`));
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