Update server.js
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server.js
82
server.js
@ -14,7 +14,12 @@ const PORT = process.env.PORT || 3000;
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const shiftCounters = {};
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// ─── Helpers ─────────────────────────────────────────────────────────────────
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// Format an epoch ms timestamp for Slack: "M/D/YY @HH:mm" in America/New_York
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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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// Format an epoch‐ms timestamp for Slack: "M/D/YY @HH:mm" in America/New_York
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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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@ -39,24 +44,27 @@ 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 and rolling period key
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// Determine Day/Night shift & rolling period key based on a JS epoch
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function getShiftInfo(epoch) {
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// first get a string in NY time, then parse back to Date
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const estString = new Date(epoch).toLocaleString('en-US', { timeZone: 'America/New_York' });
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// convert epoch to an EST Date object by round‐trip through toLocaleString
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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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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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shift = 'Day';
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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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shift = 'Night';
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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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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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@ -70,7 +78,7 @@ async function fetchCurrentWeather() {
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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: `${zip},us`, appid: key, units: 'imperial' } }
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{ params: { zip:`${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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@ -85,7 +93,7 @@ async function fetchCurrentWeather() {
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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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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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@ -95,14 +103,14 @@ const pool = mysql.createPool({
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connectTimeout: 10000
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});
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// Ensure readings table exists (with epoch_ms instead of timestamp)
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(async () => {
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// Create readings table with epoch_ms instead of timestamp
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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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location VARCHAR(20) NOT NULL,
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stationDockDoor VARCHAR(10) NOT NULL,
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epoch_ms BIGINT NOT NULL,
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id INT NOT NULL 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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epoch_ms BIGINT NOT NULL,
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temperature DOUBLE,
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humidity DOUBLE,
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heatIndex DOUBLE,
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@ -114,7 +122,7 @@ const pool = mysql.createPool({
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// ─── Middleware & Static ─────────────────────────────────────────────────────
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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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app.use(express.static(path.join(__dirname, 'public'), { index: 'heatmap.html' }));
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// ─── SSE Setup ────────────────────────────────────────────────────────────────
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let clients = [];
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@ -150,13 +158,13 @@ app.post('/api/readings', async (req, res) => {
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shiftCounters[key] = (shiftCounters[key] || 0) + 1;
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const period = shiftCounters[key];
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// Insert inbound + outbound
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const sql = `
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// Insert inbound and outbound
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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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`;
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await pool.execute(sql, ['Inbound', String(inD), epoch, inT, inH, hiIn]);
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await pool.execute(sql, ['Outbound', String(outD), epoch, outT, outH, hiOut]);
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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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@ -177,15 +185,20 @@ app.post('/api/readings', async (req, res) => {
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heatIndex: hiOut
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});
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// CSV upload for today's readings
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// Upload today's CSV
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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(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE() ORDER BY epoch_ms`
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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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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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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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// Send Slack notification
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const weather = await fetchCurrentWeather();
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@ -223,7 +236,7 @@ app.post('/api/area-readings', async (req, res) => {
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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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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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@ -245,11 +258,16 @@ 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 WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE() ORDER BY epoch_ms`
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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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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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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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const weather = await fetchCurrentWeather();
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const text =
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@ -292,7 +310,10 @@ 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(`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},${r.temperature},${r.humidity},${r.heatIndex}\n`);
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res.write(
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`${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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});
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res.end();
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} catch (err) {
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@ -305,8 +326,3 @@ app.get('/api/export', async (req, res) => {
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app.listen(PORT, () => {
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console.log(`Server running on http://localhost:${PORT}`);
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});
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// Utility pad2 used above
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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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