diff --git a/server.js b/server.js index 9b013b7..76bf6a1 100644 --- a/server.js +++ b/server.js @@ -14,12 +14,7 @@ const PORT = process.env.PORT || 3000; const shiftCounters = {}; // ─── Helpers ───────────────────────────────────────────────────────────────── -// pad two digits -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 +// Format a millisecond timestamp into "M/D/YY @HH:mm" 24-hr in New York function formatForSlack(epoch) { return new Date(epoch).toLocaleString('en-US', { timeZone: 'America/New_York', @@ -31,298 +26,233 @@ function formatForSlack(epoch) { minute: '2-digit' }).replace(',', ' @'); } - -// Compute NOAA heat‐index -function computeHeatIndex(T, R) { - const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = [ - -42.379, 2.04901523, 10.14333127, -0.22475541, - -0.00683783, -0.05481717, 0.00122874, 0.00085282, -0.00000199 - ]; +// NOAA heat-index formula +function computeHeatIndex(T, R){ + const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = + [-42.379,2.04901523,10.14333127,-0.22475541, + -0.00683783,-0.05481717,0.00122874,0.00085282,-0.00000199]; const HI = c1 + c2*T + c3*R + c4*T*R + c5*T*T + c6*R*R + c7*T*T*R + c8*T*R*R + c9*T*T*R*R; - return Math.round(HI * 100) / 100; + return Math.round(HI*100)/100; } - -// Determine Day/Night shift & rolling period key based on a JS epoch +// Determine Day/Night shift & period function getShiftInfo(epoch) { - // convert epoch to an EST Date object by round‐trip through toLocaleString - const estString = new Date(epoch) - .toLocaleString('en-US', { timeZone: 'America/New_York' }); - const est = new Date(estString); - const h = est.getHours(), m = est.getMinutes(); - let shift, start = new Date(est); - - if (h > 7 || (h === 7 && m >= 0)) { - if (h < 17 || (h === 17 && m < 30)) { - shift = 'Day'; - start.setHours(7, 0, 0, 0); + const estNow = new Date(epoch).toLocaleString('en-US',{timeZone:'America/New_York'}); + const d = new Date(estNow); + const h = d.getHours(), m = d.getMinutes(); + let shift, start = new Date(d); + if (h > 7 || (h===7 && m>=0)){ + if (h<17 || (h===17 && m<30)){ + shift='Day'; start.setHours(7,0,0,0); } else { - shift = 'Night'; - start.setHours(17, 30, 0, 0); + shift='Night'; start.setHours(17,30,0,0); } } else { - shift = 'Night'; - start.setDate(start.getDate() - 1); - start.setHours(17, 30, 0, 0); + shift='Night'; + start.setDate(start.getDate()-1); + start.setHours(17,30,0,0); } - const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`; - return { shift, key, estNow: est }; + return { shift, key, estNow:d }; } - -// Fetch current weather forecast for Baltimore -async function fetchCurrentWeather() { - const key = process.env.WEATHER_API_KEY, zip = process.env.ZIP_CODE; - if (!key || !zip) return 'Unavailable'; +// Fetch weather +async function fetchCurrentWeather(){ + const key=process.env.WEATHER_API_KEY, zip=process.env.ZIP_CODE; + if(!key||!zip) return 'Unavailable'; try { const { data } = await axios.get( '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 hi = Math.round(data.main.temp_max); - const hum = data.main.humidity; - return `${desc}. Hi of ${hi}, Humidity ${hum}%`; - } catch (e) { - console.error('Weather API error:', e.message); + const desc = data.weather[0].description.replace(/^\w/,c=>c.toUpperCase()); + return `${desc}. Hi of ${Math.round(data.main.temp_max)}, Humidity ${data.main.humidity}%`; + } catch(e){ + console.error('Weather API error',e.message); return 'Unavailable'; } } -// ─── MariaDB Pool & Table Setup ─────────────────────────────────────────────── +// ─── MariaDB Pool ───────────────────────────────────────────────────────────── const pool = mysql.createPool({ - host: process.env.DB_HOST, - port: parseInt(process.env.DB_PORT, 10) || 3306, - user: process.env.DB_USER, - password: process.env.DB_PASSWORD, - database: process.env.DB_NAME, - waitForConnections: true, - connectionLimit: 10, - queueLimit: 0, - connectTimeout: 10000 + host: process.env.DB_HOST, + port: +process.env.DB_PORT||3306, + user: process.env.DB_USER, + password: process.env.DB_PASSWORD, + database: process.env.DB_NAME, + waitForConnections:true, + connectionLimit: 10, + queueLimit: 0, + connectTimeout: 10000 }); -(async () => { - // Create readings table with epoch_ms instead of timestamp +// Ensure table exists (no-op if already ran above) +(async()=>{ await pool.execute(` CREATE TABLE IF NOT EXISTS readings ( - id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, - location VARCHAR(20) NOT NULL, - stationDockDoor VARCHAR(10) NOT NULL, - epoch_ms BIGINT NOT NULL, - temperature DOUBLE, - humidity DOUBLE, - heatIndex DOUBLE, - INDEX idx_time (epoch_ms), - INDEX idx_loc (location) - ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci; + id INT AUTO_INCREMENT PRIMARY KEY, + location VARCHAR(20) NOT NULL, + stationDockDoor VARCHAR(10) NOT NULL, + epoch_ms BIGINT NOT NULL, + temperature DOUBLE, humidity DOUBLE, heatIndex DOUBLE + ); `); })(); // ─── Middleware & Static ───────────────────────────────────────────────────── 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 ──────────────────────────────────────────────────────────────── let clients = []; -app.get('/api/stream', (req, res) => { +app.get('/api/stream',(req,res)=>{ res.set({ - 'Content-Type': 'text/event-stream', - 'Cache-Control': 'no-cache', - Connection: 'keep-alive' + 'Content-Type':'text/event-stream', + 'Cache-Control':'no-cache', + Connection:'keep-alive' }); res.flushHeaders(); 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) { - const msg = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`; - clients.forEach(c => c.write(msg)); +function broadcast(evt,data){ + const msg = `event: ${evt}\ndata: ${JSON.stringify(data)}\n\n`; + clients.forEach(c=>c.write(msg)); } -// ─── Dual Dock-Door Readings Endpoint ───────────────────────────────────────── -app.post('/api/readings', async (req, res) => { +// ─── Dual Dock‐Door Endpoint ───────────────────────────────────────────────── +app.post('/api/readings', async (req,res)=>{ try { - const { inbound = {}, outbound = {} } = req.body; + const { inbound={}, outbound={} } = req.body; const { dockDoor: inD, temperature: inT, humidity: inH } = inbound; const { dockDoor: outD, temperature: outT, humidity: outH } = outbound; - if ([inD, inT, inH, outD, outT, outH].some(v => v == null)) { - return res.status(400).json({ error: 'Missing fields' }); - } + if([inD,inT,inH,outD,outT,outH].some(v=>v==null)) + return res.status(400).json({ error:'Missing fields' }); - const epoch = Date.now(); - const hiIn = computeHeatIndex(inT, inH); - const hiOut = computeHeatIndex(outT, outH); + const epoch = Date.now(); + const hiIn = computeHeatIndex(inT,inH); + const hiOut = computeHeatIndex(outT,outH); const { shift, key, estNow } = getShiftInfo(epoch); - shiftCounters[key] = (shiftCounters[key] || 0) + 1; + shiftCounters[key] = (shiftCounters[key]||0)+1; const period = shiftCounters[key]; - // Insert inbound and outbound - const insertSQL = ` + // insert both readings + const ins = ` INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex) - VALUES (?, ?, ?, ?, ?, ?) - `; - await pool.execute(insertSQL, ['Inbound', String(inD), epoch, inT, inH, hiIn]); - await pool.execute(insertSQL, ['Outbound', String(outD), epoch, outT, outH, hiOut]); + VALUES(?,?,?,?,?,?)`; + await pool.execute(ins,['Inbound', String(inD), epoch, inT, inH, hiIn]); + await pool.execute(ins,['Outbound',String(outD), epoch,outT,outH,hiOut]); - // Broadcast via SSE + // broadcast SSE const slackTs = formatForSlack(epoch); - broadcast('new-reading', { - location: 'Inbound', - 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 - }); + broadcast('new-reading',{location:'Inbound',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 - const y = estNow.getFullYear(), m = pad2(estNow.getMonth()+1), d = pad2(estNow.getDate()); + // CSV upload + const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate()); const dateKey = `${y}${m}${d}`; const [rows] = await pool.execute( - `SELECT * FROM readings - WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE() - ORDER BY epoch_ms` + `SELECT * FROM readings WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE() ORDER BY epoch_ms` ); - let csvUrl = null; - try { - csvUrl = await uploadTrendsCsv(dateKey, rows); - } catch (e) { - console.error('CSV upload error:', e); - } + let csvUrl=null; + try { csvUrl = await uploadTrendsCsv(dateKey, rows); } + catch(e){ console.error(e); } - // Send Slack notification + // Slack const weather = await fetchCurrentWeather(); const text = - `*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n` + - `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` + - `*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n` + - `*_Temp:_* ${inT} °F 🌡️\n` + - `*_Humidity:_* ${inH} % 💦\n` + - `*_Heat Index:_* ${hiIn} °F 🥵\n\n` + - `*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n` + - `*_Temp:_* ${outT} °F 🌡️\n` + - `*_Humidity:_* ${outH} % 💦\n` + + `*_${shift} shift Period ${period} dock/trailer temperature checks for ${slackTs}_*\n`+ + `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+ + `*_⬇️ Inbound Dock Door 🚛 :_* ${inD}\n`+ + `*_Temp:_* ${inT} °F 🌡️\n`+ + `*_Humidity:_* ${inH} % 💦\n`+ + `*_Heat Index:_* ${hiIn} °F 🥵\n\n`+ + `*_⬆️ Outbound Dock Door 🚛 :_* ${outD}\n`+ + `*_Temp:_* ${outT} °F 🌡️\n`+ + `*_Humidity:_* ${outH} % 💦\n`+ `*_Heat Index:_* ${hiOut} °F 🥵`; await axios.post( process.env.SLACK_WEBHOOK_URL, { text }, - { headers: { 'Content-Type': 'application/json' } } + { headers:{ 'Content-Type':'application/json' } } ); - res.json({ success: true, shift, period, csvUrl }); - } catch (err) { - console.error('POST /api/readings error:', err); + res.json({ success:true, shift, period, csvUrl }); + } catch(err){ + console.error(err); res.status(500).json({ error: err.message }); } }); -// ─── Area/Mod Station Readings Endpoint ─────────────────────────────────────── -app.post('/api/area-readings', async (req, res) => { +// ─── Area/Mod Endpoint ─────────────────────────────────────────────────────── +app.post('/api/area-readings', async (req,res)=>{ try { - const { area, stationCode, temperature: T, humidity: H } = req.body; - if (!area || !stationCode || T == null || H == null) { - return res.status(400).json({ error: 'Missing fields' }); - } + const { area, stationCode, temperature:T, humidity:H } = req.body; + if(!area||!stationCode||T==null||H==null) + return res.status(400).json({ error:'Missing fields' }); const epoch = Date.now(); - const hi = computeHeatIndex(T, H); - const { shift, key, estNow } = getShiftInfo(epoch); + const hi = computeHeatIndex(T,H); + const { shift, estNow } = getShiftInfo(epoch); await pool.execute( `INSERT INTO readings(location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex) - VALUES (?, ?, ?, ?, ?, ?)`, + VALUES(?,?,?,?,?,?)`, [area, stationCode, epoch, T, H, hi] ); const slackTs = formatForSlack(epoch); - broadcast('new-area-reading', { - location: area, - stationDockDoor: stationCode, - timestamp: slackTs, - temperature: T, - humidity: H, - heatIndex: hi - }); + broadcast('new-area-reading',{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 [rows] = await pool.execute( - `SELECT * FROM readings - WHERE DATE(FROM_UNIXTIME(epoch_ms/1000)) = CURDATE() - ORDER BY epoch_ms` + `SELECT * FROM readings WHERE DATE(FROM_UNIXTIME(epoch_ms/1000))=CURDATE() ORDER BY epoch_ms` ); - let csvUrl = null; - try { - csvUrl = await uploadTrendsCsv(dateKey, rows); - } catch (e) { - console.error('CSV upload error:', e); - } + let csvUrl=null; + try { csvUrl = await uploadTrendsCsv(dateKey, rows); } + catch(e){ console.error(e); } const weather = await fetchCurrentWeather(); const text = - `*_${shift} shift ${area} temp check for ${slackTs}_*\n` + - `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` + - `*_${area.toUpperCase()} station:_* ${stationCode}\n` + - `*_Temp:_* ${T} °F 🌡️\n` + - `*_Humidity:_* ${H} % 💦\n` + + `*_${shift} shift ${area} temp check for ${slackTs}_*\n`+ + `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n`+ + `*_${area.toUpperCase()} station:_* ${stationCode}\n`+ + `*_Temp:_* ${T} °F 🌡️\n`+ + `*_Humidity:_* ${H} % 💦\n`+ `*_Heat Index:_* ${hi} °F 🥵`; await axios.post( process.env.SLACK_WEBHOOK_URL, { text }, - { headers: { 'Content-Type': 'application/json' } } + { headers:{ 'Content-Type':'application/json' } } ); - res.json({ success: true, csvUrl }); - } catch (err) { - console.error('POST /api/area-readings error:', err); + res.json({ success:true, csvUrl }); + } catch(err){ + console.error(err); res.status(500).json({ error: err.message }); } }); -// ─── Fetch All Readings ──────────────────────────────────────────────────────── -app.get('/api/readings', async (req, res) => { - try { - const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`); - res.json(rows); - } catch (err) { - console.error('GET /api/readings error:', err); - res.status(500).json({ error: err.message }); - } +// ─── Fetch & Export ───────────────────────────────────────────────────────── +app.get('/api/readings', async (req,res)=>{ + const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`); + res.json(rows); +}); +app.get('/api/export', async (req,res)=>{ + const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY epoch_ms`); + res.setHeader('Content-disposition','attachment; filename=readings.csv'); + res.set('Content-Type','text/csv'); + res.write('id,location,stationDockDoor,epoch_ms,temperature,humidity,heatIndex\n'); + rows.forEach(r=>{ + res.write(`${r.id},${r.location},${r.stationDockDoor},${r.epoch_ms},${r.temperature},${r.humidity},${r.heatIndex}\n`); + }); + res.end(); }); -// ─── Export CSV ─────────────────────────────────────────────────────────────── -app.get('/api/export', async (req, res) => { - 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},${r.heatIndex}\n` - ); - }); - res.end(); - } catch (err) { - console.error('GET /api/export error:', err); - res.status(500).send(err.message); - } -}); +// ─── Start ─────────────────────────────────────────────────────────────────── +app.listen(PORT, ()=>console.log(`Server running on http://localhost:${PORT}`)); -// ─── Start Server ──────────────────────────────────────────────────────────── -app.listen(PORT, () => { - console.log(`Server running on http://localhost:${PORT}`); -});