Update server.js
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server.js
96
server.js
@ -10,16 +10,14 @@ 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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// In‐memory shift counters
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// In-memory shift counters
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const shiftCounters = {};
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// ─── Helpers ─────────────────────────────────────────────────────────────────
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// pad two digits
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function pad2(n) {
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return n.toString().padStart(2, '0');
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}
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// ─── Helpers ──────────────────────────────────────────────────────────────────
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// Pad to 2 digits
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function pad2(n) { return n.toString().padStart(2, '0'); }
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// Format an epoch‐ms timestamp for Slack: "M/D/YY @HH:mm" in America/New_York
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// Format epoch_ms → "M/D/YY @HH:mm" in America/New_York for Slack/SSE
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function formatForSlack(epoch) {
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return new Date(epoch).toLocaleString('en-US', {
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timeZone: 'America/New_York',
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@ -32,7 +30,7 @@ function formatForSlack(epoch) {
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}).replace(',', ' @');
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}
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// Compute NOAA heat‐index
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// NOAA heat‐index formula
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function computeHeatIndex(T, 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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@ -44,9 +42,9 @@ function computeHeatIndex(T, R) {
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return Math.round(HI * 100) / 100;
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}
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// Determine Day/Night shift & rolling period key based on a JS epoch
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// Determine shift (Day/Night) and period key from epoch_ms
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function getShiftInfo(epoch) {
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// convert epoch to an EST Date object by round‐trip through toLocaleString
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// Convert epoch to EST Date by string-roundtrip
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const estString = new Date(epoch)
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.toLocaleString('en-US', { timeZone: 'America/New_York' });
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const est = new Date(estString);
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@ -55,11 +53,9 @@ function getShiftInfo(epoch) {
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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';
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start.setHours(7, 0, 0, 0);
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shift = 'Day'; start.setHours(7, 0, 0, 0);
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} else {
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shift = 'Night';
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start.setHours(17, 30, 0, 0);
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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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@ -73,12 +69,14 @@ function getShiftInfo(epoch) {
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// Fetch current weather forecast for Baltimore
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async function fetchCurrentWeather() {
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const key = process.env.WEATHER_API_KEY, zip = process.env.ZIP_CODE;
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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:`${zip},us`, appid:key, units:'imperial' } }
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'https://api.openweathermap.org/data/2.5/weather', {
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params: { zip: `${zip},us`, appid: key, units: 'imperial' }
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}
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);
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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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@ -104,7 +102,7 @@ const pool = mysql.createPool({
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});
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(async () => {
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// Create readings table with epoch_ms instead of timestamp
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// Create readings table with only epoch_ms (no timestamp column)
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await pool.execute(`
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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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@ -157,8 +155,9 @@ app.post('/api/readings', async (req, res) => {
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const { shift, key, estNow } = getShiftInfo(epoch);
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shiftCounters[key] = (shiftCounters[key] || 0) + 1;
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const period = shiftCounters[key];
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const slackTs = formatForSlack(epoch);
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// Insert inbound and outbound
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// Insert inbound/outbound into epoch_ms
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const insertSQL = `
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INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
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VALUES (?, ?, ?, ?, ?, ?)
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@ -166,8 +165,7 @@ app.post('/api/readings', async (req, res) => {
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await pool.execute(insertSQL, ['Inbound', String(inD), epoch, inT, inH, hiIn]);
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await pool.execute(insertSQL, ['Outbound', String(outD), epoch, outT, outH, hiOut]);
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// Broadcast via SSE
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const slackTs = formatForSlack(epoch);
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// SSE broadcast
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broadcast('new-reading', {
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location: 'Inbound',
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stationDockDoor: String(inD),
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@ -185,22 +183,19 @@ app.post('/api/readings', async (req, res) => {
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heatIndex: hiOut
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});
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// Upload today's CSV
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// Upload CSV of today’s readings
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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}${d}`;
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const [rows] = await pool.execute(
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`SELECT * FROM readings
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const [rows] = await pool.execute(`
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SELECT * FROM readings
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WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
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ORDER BY epoch_ms`
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);
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ORDER BY epoch_ms
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`);
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let csvUrl = null;
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try {
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csvUrl = await uploadTrendsCsv(dateKey, rows);
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} catch (e) {
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console.error('CSV upload error:', e);
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}
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try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
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catch (e) { console.error('CSV upload error:', e); }
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// Send Slack notification
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// Slack notification
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const weather = await fetchCurrentWeather();
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const text =
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`*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n` +
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@ -238,14 +233,13 @@ app.post('/api/area-readings', async (req, res) => {
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const epoch = Date.now();
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const hi = computeHeatIndex(T, H);
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const { shift, key, estNow } = getShiftInfo(epoch);
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await pool.execute(
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`INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
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VALUES (?, ?, ?, ?, ?, ?)`,
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[area, stationCode, epoch, T, H, hi]
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);
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const slackTs = formatForSlack(epoch);
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await pool.execute(`
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INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
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VALUES (?, ?, ?, ?, ?, ?)
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`, [area, stationCode, epoch, T, H, hi]);
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broadcast('new-area-reading', {
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location: area,
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stationDockDoor: stationCode,
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@ -257,17 +251,14 @@ app.post('/api/area-readings', async (req, res) => {
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const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate());
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const dateKey = `${y}${m}${d}`;
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const [rows] = await pool.execute(
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`SELECT * FROM readings
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const [rows] = await pool.execute(`
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SELECT * FROM readings
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WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
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ORDER BY epoch_ms`
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);
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ORDER BY epoch_ms
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`);
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let csvUrl = null;
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try {
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csvUrl = await uploadTrendsCsv(dateKey, rows);
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} catch (e) {
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console.error('CSV upload error:', e);
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}
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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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@ -291,7 +282,7 @@ app.post('/api/area-readings', async (req, res) => {
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}
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});
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// ─── Fetch All Readings ────────────────────────────────────────────────────────
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// ─── Fetch All & 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 epoch_ms`);
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@ -301,8 +292,6 @@ app.get('/api/readings', async (req, res) => {
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res.status(500).json({ error: err.message });
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}
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});
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// ─── Export CSV ───────────────────────────────────────────────────────────────
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app.get('/api/export', async (req, res) => {
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try {
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const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
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@ -310,10 +299,7 @@ app.get('/api/export', async (req, res) => {
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res.set('Content-Type', 'text/csv');
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res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n');
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rows.forEach(r => {
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res.write(
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`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},` +
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`${r.temperature},${r.humidity},${r.heatIndex}\n`
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);
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res.write(`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},${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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