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Update server.js

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JoshBaneyCS 2025-04-30 03:04:12 +00:00
parent 612ba2bb24
commit dfa833e799
1 changed files with 133 additions and 203 deletions
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server.js
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@ -14,12 +14,7 @@ const PORT = process.env.PORT || 3000;
const shiftCounters = {}; const shiftCounters = {};
// ─── Helpers ───────────────────────────────────────────────────────────────── // ─── Helpers ─────────────────────────────────────────────────────────────────
// pad two digits // Format a millisecond timestamp into "M/D/YY @HH:mm" 24-hr in New York
function pad2(n) {
return n.toString().padStart(2, '0');
}
// Format an epoch‐ms timestamp for Slack: "M/D/YY @HH:mm" in America/New_York
function formatForSlack(epoch) { function formatForSlack(epoch) {
return new Date(epoch).toLocaleString('en-US', { return new Date(epoch).toLocaleString('en-US', {
timeZone: 'America/New_York', timeZone: 'America/New_York',
@ -31,298 +26,233 @@ function formatForSlack(epoch) {
minute: '2-digit' minute: '2-digit'
}).replace(',', ' @'); }).replace(',', ' @');
} }
// NOAA heat-index formula
// Compute NOAA heat‐index function computeHeatIndex(T, R){
function computeHeatIndex(T, R) { const [c1,c2,c3,c4,c5,c6,c7,c8,c9] =
const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = [ [-42.379,2.04901523,10.14333127,-0.22475541,
-42.379, 2.04901523, 10.14333127, -0.22475541, -0.00683783,-0.05481717,0.00122874,0.00085282,-0.00000199];
-0.00683783, -0.05481717, 0.00122874, 0.00085282, -0.00000199
];
const HI = c1 + c2*T + c3*R + c4*T*R const HI = c1 + c2*T + c3*R + c4*T*R
+ c5*T*T + c6*R*R + c7*T*T*R + c5*T*T + c6*R*R + c7*T*T*R
+ c8*T*R*R + c9*T*T*R*R; + c8*T*R*R + c9*T*T*R*R;
return Math.round(HI * 100) / 100; return Math.round(HI*100)/100;
} }
// Determine Day/Night shift & period
// Determine Day/Night shift & rolling period key based on a JS epoch
function getShiftInfo(epoch) { function getShiftInfo(epoch) {
// convert epoch to an EST Date object by round‐trip through toLocaleString const estNow = new Date(epoch).toLocaleString('en-US',{timeZone:'America/New_York'});
const estString = new Date(epoch) const d = new Date(estNow);
.toLocaleString('en-US', { timeZone: 'America/New_York' }); const h = d.getHours(), m = d.getMinutes();
const est = new Date(estString); let shift, start = new Date(d);
const h = est.getHours(), m = est.getMinutes(); if (h > 7 || (h===7 && m>=0)){
let shift, start = new Date(est); if (h<17 || (h===17 && m<30)){
shift='Day'; start.setHours(7,0,0,0);
if (h > 7 || (h === 7 && m >= 0)) {
if (h < 17 || (h === 17 && m < 30)) {
shift = 'Day';
start.setHours(7, 0, 0, 0);
} else { } else {
shift = 'Night'; shift='Night'; start.setHours(17,30,0,0);
start.setHours(17, 30, 0, 0);
} }
} else { } else {
shift = 'Night'; shift='Night';
start.setDate(start.getDate() - 1); start.setDate(start.getDate()-1);
start.setHours(17, 30, 0, 0); start.setHours(17,30,0,0);
} }
const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`; const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`;
return { shift, key, estNow: est }; return { shift, key, estNow:d };
} }
// Fetch weather
// Fetch current weather forecast for Baltimore async function fetchCurrentWeather(){
async function fetchCurrentWeather() { const key=process.env.WEATHER_API_KEY, zip=process.env.ZIP_CODE;
const key = process.env.WEATHER_API_KEY, zip = process.env.ZIP_CODE; if(!key||!zip) return 'Unavailable';
if (!key || !zip) return 'Unavailable';
try { try {
const { data } = await axios.get( const { data } = await axios.get(
'https://api.openweathermap.org/data/2.5/weather', 'https://api.openweathermap.org/data/2.5/weather',
{ params: { zip:`${zip},us`, appid:key, units:'imperial' } } { params:{ zip:`${zip},us`, appid:key, units:'imperial' } }
); );
const desc = data.weather[0].description.replace(/^\w/, c => c.toUpperCase()); const desc = data.weather[0].description.replace(/^\w/,c=>c.toUpperCase());
const hi = Math.round(data.main.temp_max); return `${desc}. Hi of ${Math.round(data.main.temp_max)}, Humidity ${data.main.humidity}%`;
const hum = data.main.humidity; } catch(e){
return `${desc}. Hi of ${hi}, Humidity ${hum}%`; console.error('Weather API error',e.message);
} catch (e) {
console.error('Weather API error:', e.message);
return 'Unavailable'; return 'Unavailable';
} }
} }
// ─── MariaDB Pool & Table Setup ─────────────────────────────────────────────── // ─── MariaDB Pool ─────────────────────────────────────────────────────────────
const pool = mysql.createPool({ const pool = mysql.createPool({
host: process.env.DB_HOST, host: process.env.DB_HOST,
port: parseInt(process.env.DB_PORT, 10) || 3306, port: +process.env.DB_PORT||3306,
user: process.env.DB_USER, user: process.env.DB_USER,
password: process.env.DB_PASSWORD, password: process.env.DB_PASSWORD,
database: process.env.DB_NAME, database: process.env.DB_NAME,
waitForConnections: true, waitForConnections:true,
connectionLimit: 10, connectionLimit: 10,
queueLimit: 0, queueLimit: 0,
connectTimeout: 10000 connectTimeout: 10000
}); });
(async () => { // Ensure table exists (no-op if already ran above)
// Create readings table with epoch_ms instead of timestamp (async()=>{
await pool.execute(` await pool.execute(`
CREATE TABLE IF NOT EXISTS readings ( CREATE TABLE IF NOT EXISTS readings (
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, id INT AUTO_INCREMENT PRIMARY KEY,
location VARCHAR(20) NOT NULL, location VARCHAR(20) NOT NULL,
stationDockDoor VARCHAR(10) NOT NULL, stationDockDoor VARCHAR(10) NOT NULL,
epoch_ms BIGINT NOT NULL, epoch_ms BIGINT NOT NULL,
temperature DOUBLE, temperature DOUBLE, humidity DOUBLE, heatIndex DOUBLE
humidity DOUBLE, );
heatIndex DOUBLE,
INDEX idx_time (epoch_ms),
INDEX idx_loc (location)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
`); `);
})(); })();
// ─── Middleware & Static ───────────────────────────────────────────────────── // ─── Middleware & Static ─────────────────────────────────────────────────────
app.use(bodyParser.json()); app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'public'), { index: 'heatmap.html' })); app.use(express.static(path.join(__dirname,'public'), { index:'heatmap.html' }));
// ─── SSE Setup ──────────────────────────────────────────────────────────────── // ─── SSE Setup ────────────────────────────────────────────────────────────────
let clients = []; let clients = [];
app.get('/api/stream', (req, res) => { app.get('/api/stream',(req,res)=>{
res.set({ res.set({
'Content-Type': 'text/event-stream', 'Content-Type':'text/event-stream',
'Cache-Control': 'no-cache', 'Cache-Control':'no-cache',
Connection: 'keep-alive' Connection:'keep-alive'
}); });
res.flushHeaders(); res.flushHeaders();
clients.push(res); clients.push(res);
req.on('close', () => { clients = clients.filter(c => c !== res); }); req.on('close',()=>{ clients = clients.filter(c=>c!==res); });
}); });
function broadcast(event, data) { function broadcast(evt,data){
const msg = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`; const msg = `event: ${evt}\ndata: ${JSON.stringify(data)}\n\n`;
clients.forEach(c => c.write(msg)); clients.forEach(c=>c.write(msg));
} }
// ─── Dual Dock-Door Readings Endpoint ───────────────────────────────────────── // ─── Dual Dock‐Door Endpoint ─────────────────────────────────────────────────
app.post('/api/readings', async (req, res) => { app.post('/api/readings', async (req,res)=>{
try { try {
const { inbound = {}, outbound = {} } = req.body; const { inbound={}, outbound={} } = req.body;
const { dockDoor: inD, temperature: inT, humidity: inH } = inbound; const { dockDoor: inD, temperature: inT, humidity: inH } = inbound;
const { dockDoor: outD, temperature: outT, humidity: outH } = outbound; const { dockDoor: outD, temperature: outT, humidity: outH } = outbound;
if ([inD, inT, inH, outD, outT, outH].some(v => v == null)) { if([inD,inT,inH,outD,outT,outH].some(v=>v==null))
return res.status(400).json({ error: 'Missing fields' }); return res.status(400).json({ error:'Missing fields' });
}
const epoch = Date.now(); const epoch = Date.now();
const hiIn = computeHeatIndex(inT, inH); const hiIn = computeHeatIndex(inT,inH);
const hiOut = computeHeatIndex(outT, outH); const hiOut = computeHeatIndex(outT,outH);
const { shift, key, estNow } = getShiftInfo(epoch); const { shift, key, estNow } = getShiftInfo(epoch);
shiftCounters[key] = (shiftCounters[key] || 0) + 1; shiftCounters[key] = (shiftCounters[key]||0)+1;
const period = shiftCounters[key]; const period = shiftCounters[key];
// Insert inbound and outbound // insert both readings
const insertSQL = ` const ins = `
INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex) INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
VALUES (?, ?, ?, ?, ?, ?) VALUES(?,?,?,?,?,?)`;
`; await pool.execute(ins,['Inbound', String(inD), epoch, inT, inH, hiIn]);
await pool.execute(insertSQL, ['Inbound', String(inD), epoch, inT, inH, hiIn]); await pool.execute(ins,['Outbound',String(outD), epoch,outT,outH,hiOut]);
await pool.execute(insertSQL, ['Outbound', String(outD), epoch, outT, outH, hiOut]);
// Broadcast via SSE // broadcast SSE
const slackTs = formatForSlack(epoch); const slackTs = formatForSlack(epoch);
broadcast('new-reading', { broadcast('new-reading',{location:'Inbound',stationDockDoor:String(inD),timestamp:slackTs,temperature:inT,humidity:inH,heatIndex:hiIn});
location: 'Inbound', broadcast('new-reading',{location:'Outbound',stationDockDoor:String(outD),timestamp:slackTs,temperature:outT,humidity:outH,heatIndex:hiOut});
stationDockDoor: String(inD),
timestamp: slackTs,
temperature: inT,
humidity: inH,
heatIndex: hiIn
});
broadcast('new-reading', {
location: 'Outbound',
stationDockDoor: String(outD),
timestamp: slackTs,
temperature: outT,
humidity: outH,
heatIndex: hiOut
});
// Upload today's CSV // CSV upload
const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate()); const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
const dateKey = `${y}${m}${d}`; const dateKey = `${y}${m}${d}`;
const [rows] = await pool.execute( const [rows] = await pool.execute(
`SELECT * FROM readings `SELECT * FROM readings WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE() ORDER BY epoch_ms`
WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
ORDER BY epoch_ms`
); );
let csvUrl = null; let csvUrl=null;
try { try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
csvUrl = await uploadTrendsCsv(dateKey, rows); catch(e){ console.error(e); }
} catch (e) {
console.error('CSV upload error:', e);
}
// Send Slack notification // Slack
const weather = await fetchCurrentWeather(); const weather = await fetchCurrentWeather();
const text = const text =
`*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n` + `*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n`+
`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` + `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+
`*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n` + `*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n`+
`*_Temp:_* ${inT} °F 🌡️\n` + `*_Temp:_* ${inT} °F 🌡️\n`+
`*_Humidity:_* ${inH} % 💦\n` + `*_Humidity:_* ${inH} % 💦\n`+
`*_Heat Index:_* ${hiIn} °F 🥵\n\n` + `*_Heat Index:_* ${hiIn} °F 🥵\n\n`+
`*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n` + `*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n`+
`*_Temp:_* ${outT} °F 🌡️\n` + `*_Temp:_* ${outT} °F 🌡️\n`+
`*_Humidity:_* ${outH} % 💦\n` + `*_Humidity:_* ${outH} % 💦\n`+
`*_Heat Index:_* ${hiOut} °F 🥵`; `*_Heat Index:_* ${hiOut} °F 🥵`;
await axios.post( await axios.post(
process.env.SLACK_WEBHOOK_URL, process.env.SLACK_WEBHOOK_URL,
{ text }, { text },
{ headers: { 'Content-Type': 'application/json' } } { headers:{ 'Content-Type':'application/json' } }
); );
res.json({ success: true, shift, period, csvUrl }); res.json({ success:true, shift, period, csvUrl });
} catch (err) { } catch(err){
console.error('POST /api/readings error:', err); console.error(err);
res.status(500).json({ error: err.message }); res.status(500).json({ error: err.message });
} }
}); });
// ─── Area/Mod Station Readings Endpoint ─────────────────────────────────────── // ─── Area/Mod Endpoint ───────────────────────────────────────────────────────
app.post('/api/area-readings', async (req, res) => { app.post('/api/area-readings', async (req,res)=>{
try { try {
const { area, stationCode, temperature: T, humidity: H } = req.body; const { area, stationCode, temperature:T, humidity:H } = req.body;
if (!area || !stationCode || T == null || H == null) { if(!area||!stationCode||T==null||H==null)
return res.status(400).json({ error: 'Missing fields' }); return res.status(400).json({ error:'Missing fields' });
}
const epoch = Date.now(); const epoch = Date.now();
const hi = computeHeatIndex(T, H); const hi = computeHeatIndex(T,H);
const { shift, key, estNow } = getShiftInfo(epoch); const { shift, estNow } = getShiftInfo(epoch);
await pool.execute( await pool.execute(
`INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex) `INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex)
VALUES (?, ?, ?, ?, ?, ?)`, VALUES(?,?,?,?,?,?)`,
[area, stationCode, epoch, T, H, hi] [area, stationCode, epoch, T, H, hi]
); );
const slackTs = formatForSlack(epoch); const slackTs = formatForSlack(epoch);
broadcast('new-area-reading', { broadcast('new-area-reading',{location:area,stationDockDoor:stationCode,timestamp:slackTs,temperature:T,humidity:H,heatIndex:hi});
location: area,
stationDockDoor: stationCode,
timestamp: slackTs,
temperature: T,
humidity: H,
heatIndex: hi
});
const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate()); // CSV
const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate());
const dateKey = `${y}${m}${d}`; const dateKey = `${y}${m}${d}`;
const [rows] = await pool.execute( const [rows] = await pool.execute(
`SELECT * FROM readings `SELECT * FROM readings WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE() ORDER BY epoch_ms`
WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE()
ORDER BY epoch_ms`
); );
let csvUrl = null; let csvUrl=null;
try { try { csvUrl = await uploadTrendsCsv(dateKey, rows); }
csvUrl = await uploadTrendsCsv(dateKey, rows); catch(e){ console.error(e); }
} catch (e) {
console.error('CSV upload error:', e);
}
const weather = await fetchCurrentWeather(); const weather = await fetchCurrentWeather();
const text = const text =
`*_${shift} shift ${area} temp check for ${slackTs}_*\n` + `*_${shift} shift ${area} temp check for ${slackTs}_*\n`+
`*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` + `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+
`*_${area.toUpperCase()} station:_* ${stationCode}\n` + `*_${area.toUpperCase()} station:_* ${stationCode}\n`+
`*_Temp:_* ${T} °F 🌡️\n` + `*_Temp:_* ${T} °F 🌡️\n`+
`*_Humidity:_* ${H} % 💦\n` + `*_Humidity:_* ${H} % 💦\n`+
`*_Heat Index:_* ${hi} °F 🥵`; `*_Heat Index:_* ${hi} °F 🥵`;
await axios.post( await axios.post(
process.env.SLACK_WEBHOOK_URL, process.env.SLACK_WEBHOOK_URL,
{ text }, { text },
{ headers: { 'Content-Type': 'application/json' } } { headers:{ 'Content-Type':'application/json' } }
); );
res.json({ success: true, csvUrl }); res.json({ success:true, csvUrl });
} catch (err) { } catch(err){
console.error('POST /api/area-readings error:', err); console.error(err);
res.status(500).json({ error: err.message }); res.status(500).json({ error: err.message });
} }
}); });
// ─── Fetch All Readings ──────────────────────────────────────────────────────── // ─── Fetch & Export ─────────────────────────────────────────────────────────
app.get('/api/readings', async (req, res) => { app.get('/api/readings', async (req,res)=>{
try { const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`); res.json(rows);
res.json(rows); });
} catch (err) { app.get('/api/export', async (req,res)=>{
console.error('GET /api/readings error:', err); const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
res.status(500).json({ error: err.message }); res.setHeader('Content-disposition','attachment; filename=readings.csv');
} res.set('Content-Type','text/csv');
res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n');
rows.forEach(r=>{
res.write(`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},${r.temperature},${r.humidity},${r.heatIndex}\n`);
});
res.end();
}); });
// ─── Export CSV ─────────────────────────────────────────────────────────────── // ─── Start ───────────────────────────────────────────────────────────────────
app.get('/api/export', async (req, res) => { app.listen(PORT, ()=>console.log(`Server running on http://localhost:${PORT}`));
try {
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`);
res.setHeader('Content-disposition', 'attachment; filename=readings.csv');
res.set('Content-Type', 'text/csv');
res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n');
rows.forEach(r => {
res.write(
`${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}`);
});