Update server.js
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server.js
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server.js
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// server.js
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// server.js
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require('dotenv').config();
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require('dotenv').config();
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const express = require('express');
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const express = require('express');
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const mysql = require('mysql2/promise');
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const fs = require('fs');
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const bodyParser = require('body-parser');
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const path = require('path');
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const path = require('path');
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const mysql = require('mysql2/promise');
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const axios = require('axios');
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const bodyParser = require('body-parser');
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const { uploadTrendsCsv } = require('./s3');
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const axios = require('axios');
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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 app = express();
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const PORT = process.env.PORT || 3000;
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// In-memory shift counters
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const shiftCounters = {};
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// In-memory shift counters
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const shiftCounters = {};
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// ─── Helpers ──────────────────────────────────────────────────────────────────
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// pad to two digits
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// ─── Helpers ──────────────────────────────────────────────────────────────────
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function pad2(n) {
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function pad2(n) {
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return n.toString().padStart(2, '0');
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return n.toString().padStart(2, '0');
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}
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}
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// Format epoch_ms → "M/D/YY @HH:mm" (24-hour) in America/New_York
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function formatForSlack(epoch) {
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function formatForSlack(epoch) {
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return new Date(epoch).toLocaleString('en-US', {
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return new Date(epoch).toLocaleString('en-US', {
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timeZone: 'America/New_York',
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timeZone: 'America/New_York',
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month: 'numeric',
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month: 'numeric',
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day: 'numeric',
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day: 'numeric',
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year: '2-digit',
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year: '2-digit',
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hour12: false,
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hour12: false,
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hour: '2-digit',
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hour: '2-digit',
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minute: '2-digit'
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minute: '2-digit'
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}).replace(',', ' @');
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}).replace(',', ' @');
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}
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}
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function computeHeatIndex(T, R) {
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// NOAA heat-index formula
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const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = [
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function computeHeatIndex(T, R) {
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-42.379, 2.04901523, 10.14333127, -0.22475541,
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const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = [
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-0.00683783, -0.05481717, 0.00122874, 0.00085282, -0.00000199
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-42.379,2.04901523,10.14333127,-0.22475541,
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];
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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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];
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+ c5*T*T + c6*R*R + c7*T*T*R
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const HI = c1 + c2*T + c3*R + c4*T*R
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+ c8*T*R*R + c9*T*T*R*R;
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+ c5*T*T + c6*R*R + c7*T*T*R
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return Math.round(HI * 100) / 100;
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+ c8*T*R*R + c9*T*T*R*R;
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}
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return Math.round(HI * 100) / 100;
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}
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function getShiftInfo(epoch) {
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const estString = new Date(epoch)
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// Determine Day/Night shift & period key from epoch_ms
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.toLocaleString('en-US', { timeZone: 'America/New_York' });
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function getShiftInfo(epoch) {
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const est = new Date(estString);
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// Convert to EST by string-round-trip
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const h = est.getHours(), m = est.getMinutes();
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const estString = new Date(epoch)
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let shift, start = new Date(est);
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.toLocaleString('en-US', { timeZone: 'America/New_York' });
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const est = new Date(estString);
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if (h > 7 || (h === 7 && m >= 0)) {
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const h = est.getHours(), m = est.getMinutes();
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if (h < 17 || (h === 17 && m < 30)) {
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let shift, start = new Date(est);
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shift = 'Day'; start.setHours(7, 0, 0, 0);
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} else {
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if (h > 7 || (h === 7 && m >= 0)) {
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shift = 'Night'; start.setHours(17, 30, 0, 0);
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if (h < 17 || (h === 17 && m < 30)) {
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}
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shift = 'Day'; start.setHours(7, 0, 0, 0);
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} else {
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} else {
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shift = 'Night';
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shift = 'Night'; start.setHours(17, 30, 0, 0);
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start.setDate(start.getDate() - 1);
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}
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start.setHours(17, 30, 0, 0);
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} else {
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}
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shift = 'Night';
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start.setDate(start.getDate() - 1);
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const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`;
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start.setHours(17, 30, 0, 0);
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return { shift, key, estNow: est };
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}
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}
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const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`;
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async function fetchCurrentWeather() {
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return { shift, key, estNow: est };
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const key = process.env.WEATHER_API_KEY;
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}
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const zip = process.env.ZIP_CODE;
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if (!key || !zip) return 'Unavailable';
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// Fetch current Baltimore weather
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try {
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async function fetchCurrentWeather() {
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const { data } = await axios.get(
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const key = process.env.WEATHER_API_KEY, zip = process.env.ZIP_CODE;
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'https://api.openweathermap.org/data/2.5/weather',
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if (!key || !zip) return 'Unavailable';
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{ params: { zip: `${zip},us`, appid: key, units: 'imperial' } }
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try {
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);
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const { data } = await axios.get(
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const desc = data.weather[0].description.replace(/^\w/, c => c.toUpperCase());
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'https://api.openweathermap.org/data/2.5/weather',
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const hi = Math.round(data.main.temp_max);
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{ params: { zip:`${zip},us`, appid:key, units:'imperial' } }
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const hum = data.main.humidity;
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);
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return `${desc}. Hi of ${hi}, Humidity ${hum}%`;
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const desc = data.weather[0].description.replace(/^\w/,c=>c.toUpperCase());
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} catch (e) {
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const hi = Math.round(data.main.temp_max);
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console.error('Weather API error:', e.message);
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const hum = data.main.humidity;
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return 'Unavailable';
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return `${desc}. Hi of ${hi}, Humidity ${hum}%`;
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}
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} catch (e) {
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}
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console.error('Weather API error:', e.message);
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return 'Unavailable';
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// ─── MariaDB Pool & Table Setup ───────────────────────────────────────────────
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}
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const pool = mysql.createPool({
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}
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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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// ─── MariaDB Pool & Table Setup ───────────────────────────────────────────────
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user: process.env.DB_USER,
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const pool = mysql.createPool({
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password: process.env.DB_PASSWORD,
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host: process.env.DB_HOST,
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database: process.env.DB_NAME,
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port: parseInt(process.env.DB_PORT,10) || 3306,
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waitForConnections: true,
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user: process.env.DB_USER,
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connectionLimit: 10,
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password: process.env.DB_PASSWORD,
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queueLimit: 0,
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database: process.env.DB_NAME,
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connectTimeout: 10000
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waitForConnections: true,
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});
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connectionLimit: 10,
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queueLimit: 0,
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(async () => {
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connectTimeout: 10000
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await pool.execute(`
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});
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CREATE TABLE IF NOT EXISTS readings (
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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(async () => {
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location VARCHAR(20) NOT NULL,
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// Create table with epoch_ms only
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stationDockDoor VARCHAR(10) NOT NULL,
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await pool.execute(`
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epoch_ms BIGINT NOT NULL,
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CREATE TABLE IF NOT EXISTS readings (
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temperature DOUBLE,
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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humidity DOUBLE,
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location VARCHAR(20) NOT NULL,
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heatIndex DOUBLE,
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stationDockDoor VARCHAR(10) NOT NULL,
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INDEX idx_time (epoch_ms),
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epoch_ms BIGINT NOT NULL,
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INDEX idx_loc (location)
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temperature DOUBLE,
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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humidity DOUBLE,
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`);
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heatIndex DOUBLE,
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})();
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INDEX idx_time (epoch_ms),
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INDEX idx_loc (location)
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// ─── Load trends.html template ────────────────────────────────────────────────
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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const trendsTemplate = fs.readFileSync(
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`);
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path.join(__dirname, 'public', 'trends.html'),
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})();
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'utf8'
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);
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// ─── Middleware & Static ─────────────────────────────────────────────────────
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app.use(bodyParser.json());
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// ─── Inject initial data into trends.html ────────────────────────────────────
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app.use(express.static(path.join(__dirname,'public'), { index:'heatmap.html' }));
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app.get('/trends.html', async (req, res) => {
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try {
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// ─── SSE Setup ────────────────────────────────────────────────────────────────
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const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
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let clients = [];
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const injected = trendsTemplate.replace(
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app.get('/api/stream',(req,res)=>{
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'<!--INITIAL_DATA-->',
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res.set({
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`<script>
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'Content-Type':'text/event-stream',
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window.__INITIAL_READINGS__ = ${JSON.stringify(rows)};
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'Cache-Control':'no-cache',
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</script>`
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Connection:'keep-alive'
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);
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});
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res.send(injected);
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res.flushHeaders();
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} catch (err) {
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clients.push(res);
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console.error('Error rendering /trends.html:', err);
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req.on('close',()=>{ clients = clients.filter(c=>c!==res); });
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res.status(500).send('Server error');
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});
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}
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function broadcast(event,data){
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});
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const msg = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
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clients.forEach(c=>c.write(msg));
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// ─── Middleware & Static ─────────────────────────────────────────────────────
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}
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app.use(bodyParser.json());
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app.use(express.static(path.join(__dirname, 'public'), { index: 'heatmap.html' }));
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// ─── Dual Dock-Door Endpoint ───────────────────────────────────────────────────
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app.post('/api/readings', async (req,res) => {
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// ─── SSE Setup ────────────────────────────────────────────────────────────────
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try {
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let clients = [];
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const { inbound={}, outbound={} } = req.body;
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app.get('/api/stream', (req, res) => {
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const { dockDoor: inD, temperature: inT, humidity: inH } = inbound;
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res.set({
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const { dockDoor: outD, temperature: outT, humidity: outH } = outbound;
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'Content-Type': 'text/event-stream',
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if ([inD,inT,inH,outD,outT,outH].some(v=>v==null)) {
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'Cache-Control': 'no-cache',
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return res.status(400).json({ error: 'Missing fields' });
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Connection: 'keep-alive'
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}
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});
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res.flushHeaders();
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const epoch = Date.now();
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clients.push(res);
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const hiIn = computeHeatIndex(inT, inH);
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req.on('close', () => { clients = clients.filter(c => c !== res); });
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const hiOut = computeHeatIndex(outT, outH);
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});
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const { shift, key, estNow } = getShiftInfo(epoch);
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function broadcast(event, data) {
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shiftCounters[key] = (shiftCounters[key]||0) + 1;
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const msg = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
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const period = shiftCounters[key];
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clients.forEach(c => c.write(msg));
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const slackTs = formatForSlack(epoch);
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}
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// Insert inbound + outbound
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// ─── Dual Dock-Door Readings Endpoint ─────────────────────────────────────────
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const sql = `
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app.post('/api/readings', async (req, res) => {
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INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
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try {
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VALUES(?,?,?,?,?,?)
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const { inbound = {}, outbound = {} } = req.body;
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`;
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const { dockDoor: inD, temperature: inT, humidity: inH } = inbound;
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await pool.execute(sql, ['Inbound', String(inD), epoch, inT, inH, hiIn]);
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const { dockDoor: outD, temperature: outT, humidity: outH } = outbound;
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await pool.execute(sql, ['Outbound', String(outD), epoch, outT, outH, hiOut]);
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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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// SSE broadcast
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}
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broadcast('new-reading', {
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location: 'Inbound',
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const epoch = Date.now();
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stationDockDoor: String(inD),
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const hiIn = computeHeatIndex(inT, inH);
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timestamp: slackTs,
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const hiOut = computeHeatIndex(outT, outH);
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temperature: inT,
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const { shift, key, estNow } = getShiftInfo(epoch);
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humidity: inH,
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shiftCounters[key] = (shiftCounters[key] || 0) + 1;
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heatIndex: hiIn
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const period = shiftCounters[key];
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});
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const slackTs = formatForSlack(epoch);
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broadcast('new-reading', {
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location: 'Outbound',
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const insertSQL = `
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stationDockDoor: String(outD),
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INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
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timestamp: slackTs,
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VALUES (?, ?, ?, ?, ?, ?)
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temperature: outT,
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`;
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humidity: outH,
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await pool.execute(insertSQL, ['Inbound', String(inD), epoch, inT, inH, hiIn]);
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heatIndex: hiOut
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await pool.execute(insertSQL, ['Outbound', String(outD), epoch, outT, outH, hiOut]);
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});
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broadcast('new-reading', {
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// CSV upload
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location: 'Inbound',
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const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
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stationDockDoor: String(inD),
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const dateKey=`${y}${m}${d}`;
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timestamp: slackTs,
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const [rows] = await pool.execute(`
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temperature: inT,
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SELECT * FROM readings
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humidity: inH,
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WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE()
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heatIndex: hiIn
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ORDER BY epoch_ms
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});
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`);
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broadcast('new-reading', {
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let csvUrl=null;
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location: 'Outbound',
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try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
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stationDockDoor: String(outD),
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catch(e){ console.error('CSV upload error:', e); }
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timestamp: slackTs,
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temperature: outT,
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// Slack message
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humidity: outH,
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const weather = await fetchCurrentWeather();
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heatIndex: hiOut
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const text =
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});
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`*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n`+
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`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+
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const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate());
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`*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n`+
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const dateKey = `${y}${m}${d}`;
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`*_Temp:_* ${inT} °F 🌡️\n`+
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const [rows] = await pool.execute(`
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`*_Humidity:_* ${inH} % 💦\n`+
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SELECT * FROM readings
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`*_Heat Index:_* ${hiIn} °F 🥵\n\n`+
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WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
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`*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n`+
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ORDER BY epoch_ms
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`*_Temp:_* ${outT} °F 🌡️\n`+
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`);
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`*_Humidity:_* ${outH} % 💦\n`+
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let csvUrl = null;
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`*_Heat Index:_* ${hiOut} °F 🥵`;
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try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
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catch (e) { console.error('CSV upload error:', e); }
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await axios.post(process.env.SLACK_WEBHOOK_URL, { text }, {
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headers:{ 'Content-Type':'application/json' }
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const weather = await fetchCurrentWeather();
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});
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const text =
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`*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n` +
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res.json({ success:true, shift, period, csvUrl });
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`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` +
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} catch (err) {
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`*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n` +
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console.error('POST /api/readings error:', err);
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`*_Temp:_* ${inT} °F 🌡️\n` +
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res.status(500).json({ error: err.message });
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`*_Humidity:_* ${inH} % 💦\n` +
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}
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`*_Heat Index:_* ${hiIn} °F 🥵\n\n` +
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});
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`*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n` +
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`*_Temp:_* ${outT} °F 🌡️\n` +
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// ─── Area/Mod Endpoint ───────────────────────────────────────────────────────
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`*_Humidity:_* ${outH} % 💦\n` +
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app.post('/api/area-readings', async (req,res) => {
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`*_Heat Index:_* ${hiOut} °F 🥵`;
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try {
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const { area, stationCode, temperature:T, humidity:H } = req.body;
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await axios.post(
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if (!area||!stationCode||T==null||H==null) {
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process.env.SLACK_WEBHOOK_URL,
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return res.status(400).json({ error:'Missing fields' });
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{ text },
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}
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{ headers: { 'Content-Type':'application/json' } }
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);
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const epoch = Date.now();
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const hi = computeHeatIndex(T, H);
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res.json({ success: true, shift, period, csvUrl });
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const { shift, key, estNow } = getShiftInfo(epoch);
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} catch (err) {
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const slackTs = formatForSlack(epoch);
|
console.error('POST /api/readings error:', err);
|
||||||
|
res.status(500).json({ error: err.message });
|
||||||
await pool.execute(`
|
}
|
||||||
INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
|
});
|
||||||
VALUES(?,?,?,?,?,?)
|
|
||||||
`, [area, stationCode, epoch, T, H, hi]);
|
// ─── Area/Mod Readings Endpoint ──────────────────────────────────────────────
|
||||||
|
app.post('/api/area-readings', async (req, res) => {
|
||||||
broadcast('new-area-reading', {
|
try {
|
||||||
location: area,
|
const { area, stationCode, temperature: T, humidity: H } = req.body;
|
||||||
stationDockDoor: stationCode,
|
if (!area || !stationCode || T == null || H == null) {
|
||||||
timestamp: slackTs,
|
return res.status(400).json({ error: 'Missing fields' });
|
||||||
temperature: T,
|
}
|
||||||
humidity: H,
|
|
||||||
heatIndex: hi
|
const epoch = Date.now();
|
||||||
});
|
const hi = computeHeatIndex(T, H);
|
||||||
|
const { shift, key, estNow } = getShiftInfo(epoch);
|
||||||
const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
|
const slackTs = formatForSlack(epoch);
|
||||||
const dateKey=`${y}${m}${d}`;
|
|
||||||
const [rows] = await pool.execute(`
|
await pool.execute(`
|
||||||
SELECT * FROM readings
|
INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
|
||||||
WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE()
|
VALUES (?, ?, ?, ?, ?, ?)
|
||||||
ORDER BY epoch_ms
|
`, [area, stationCode, epoch, T, H, hi]);
|
||||||
`);
|
|
||||||
let csvUrl=null;
|
broadcast('new-area-reading', {
|
||||||
try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
|
location: area,
|
||||||
catch(e){ console.error('CSV upload error:', e); }
|
stationDockDoor: stationCode,
|
||||||
|
timestamp: slackTs,
|
||||||
const weather = await fetchCurrentWeather();
|
temperature: T,
|
||||||
const text =
|
humidity: H,
|
||||||
`*_${shift} shift ${area} temp check for ${slackTs}_*\n`+
|
heatIndex: hi
|
||||||
`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+
|
});
|
||||||
`*_${area.toUpperCase()} station:_* ${stationCode}\n`+
|
|
||||||
`*_Temp:_* ${T} °F 🌡️\n`+
|
const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate());
|
||||||
`*_Humidity:_* ${H} % 💦\n`+
|
const dateKey = `${y}${m}${d}`;
|
||||||
`*_Heat Index:_* ${hi} °F 🥵`;
|
const [rows] = await pool.execute(`
|
||||||
|
SELECT * FROM readings
|
||||||
await axios.post(process.env.SLACK_WEBHOOK_URL, { text }, {
|
WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
|
||||||
headers:{ 'Content-Type':'application/json' }
|
ORDER BY epoch_ms
|
||||||
});
|
`);
|
||||||
|
let csvUrl = null;
|
||||||
res.json({ success:true, csvUrl });
|
try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
|
||||||
} catch (err) {
|
catch (e) { console.error('CSV upload error:', e); }
|
||||||
console.error('POST /api/area-readings error:', err);
|
|
||||||
res.status(500).json({ error: err.message });
|
const weather = await fetchCurrentWeather();
|
||||||
}
|
const text =
|
||||||
});
|
`*_${shift} shift ${area} temp check for ${slackTs}_*\n` +
|
||||||
|
`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` +
|
||||||
// ─── Fetch & Export ─────────────────────────────────────────────────────────
|
`*_${area.toUpperCase()} station:_* ${stationCode}\n` +
|
||||||
app.get('/api/readings', async (req,res) => {
|
`*_Temp:_* ${T} °F 🌡️\n` +
|
||||||
try {
|
`*_Humidity:_* ${H} % 💦\n` +
|
||||||
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
|
`*_Heat Index:_* ${hi} °F 🥵`;
|
||||||
res.json(rows);
|
|
||||||
} catch (err) {
|
await axios.post(
|
||||||
console.error('GET /api/readings error:', err);
|
process.env.SLACK_WEBHOOK_URL,
|
||||||
res.status(500).json({ error: err.message });
|
{ text },
|
||||||
}
|
{ headers: { 'Content-Type':'application/json' } }
|
||||||
});
|
);
|
||||||
app.get('/api/export', async (req,res) => {
|
|
||||||
try {
|
res.json({ success: true, csvUrl });
|
||||||
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
|
} catch (err) {
|
||||||
res.setHeader('Content-disposition','attachment; filename=readings.csv');
|
console.error('POST /api/area-readings error:', err);
|
||||||
res.set('Content-Type','text/csv');
|
res.status(500).json({ error: err.message });
|
||||||
res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n');
|
}
|
||||||
rows.forEach(r => {
|
});
|
||||||
res.write(
|
|
||||||
`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},` +
|
// ─── Fetch & Export Endpoints ─────────────────────────────────────────────────
|
||||||
`${r.temperature},${r.humidity},${r.heatIndex}\n`
|
app.get('/api/readings', async (req, res) => {
|
||||||
);
|
try {
|
||||||
});
|
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
|
||||||
res.end();
|
res.json(rows);
|
||||||
} catch (err) {
|
} catch (err) {
|
||||||
console.error('GET /api/export error:', err);
|
console.error('GET /api/readings error:', err);
|
||||||
res.status(500).send(err.message);
|
res.status(500).json({ error: err.message });
|
||||||
}
|
}
|
||||||
});
|
});
|
||||||
|
|
||||||
// ─── Start Server ────────────────────────────────────────────────────────────
|
app.get('/api/export', async (req, res) => {
|
||||||
app.listen(PORT, () => {
|
try {
|
||||||
console.log(`Server running on http://localhost:${PORT}`);
|
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
|
||||||
});
|
res.setHeader('Content-disposition','attachment; filename=readings.csv');
|
||||||
|
res.set('Content-Type','text/csv');
|
||||||
|
res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n');
|
||||||
|
rows.forEach(r => {
|
||||||
|
res.write(`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},`
|
||||||
|
+`${r.temperature},${r.humidity},${r.heatIndex}\n`);
|
||||||
|
});
|
||||||
|
res.end();
|
||||||
|
} catch (err) {
|
||||||
|
console.error('GET /api/export error:', err);
|
||||||
|
res.status(500).send(err.message);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// ─── Start Server ────────────────────────────────────────────────────────────
|
||||||
|
app.listen(PORT, () => {
|
||||||
|
console.log(`Server running on http://localhost:${PORT}`);
|
||||||
|
});
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user