diff --git a/server.js b/server.js index 606a794..0653172 100644 --- a/server.js +++ b/server.js @@ -1,126 +1,327 @@ require('dotenv').config(); -const express = require('express'); +const express = require('express'); +const mysql = require('mysql2/promise'); const bodyParser = require('body-parser'); -const path = require('path'); -const knex = require('knex'); -const axios = require('axios'); +const path = require('path'); +const axios = require('axios'); +const { uploadTrendsCsv } = require('./s3'); -// Initialize MariaDB connection via Knex -const db = knex({ - client: process.env.DB_CLIENT, - connection: { - host: process.env.DB_HOST, - port: process.env.DB_PORT, - user: process.env.DB_USER, - password: process.env.DB_PASSWORD, - database: process.env.DB_NAME - } -}); - -const app = express(); +const app = express(); const PORT = process.env.PORT || 3000; -const slackWebhook = process.env.SLACK_WEBHOOK_URL; -// Create table if not exists, now with direction -(async () => { - if (!await db.schema.hasTable('readings')) { - await db.schema.createTable('readings', table => { - table.increments('id').primary(); - table.integer('dockDoor'); - table.string('direction'); - table.timestamp('timestamp'); - table.float('temperature'); - table.float('humidity'); - table.float('heatIndex'); - }); - } -})(); +// In-memory shift counters +const shiftCounters = {}; -// Compute heat index (NOAA formula) +// ─── Helpers ────────────────────────────────────────────────────────────────── +// zero-pad +const pad2 = n => n.toString().padStart(2,'0'); + +// Format Date in EST as “M/D/YY @HH:mm” using Intl +function shortEST(date) { + const dateFmt = new Intl.DateTimeFormat('en-US', { + timeZone: 'America/New_York', + month: 'numeric', + day: 'numeric', + year: '2-digit' + }); + const timeFmt = new Intl.DateTimeFormat('en-US', { + timeZone: 'America/New_York', + hour12: false, + hour: '2-digit', + minute: '2-digit' + }); + return `${dateFmt.format(date)} @${timeFmt.format(date)}`; +} + +// Format Date in EST as SQL DATETIME “YYYY-MM-DD HH:mm:ss” +function formatDateEST(date) { + // datePart as “YYYY-MM-DD” + const datePart = new Intl.DateTimeFormat('en-CA', { + timeZone: 'America/New_York', + year: 'numeric', + month: '2-digit', + day: '2-digit' + }).format(date); + // timePart as “HH:MM:SS” + const timePart = new Intl.DateTimeFormat('en-GB', { + timeZone: 'America/New_York', + hour12: false, + hour: '2-digit', + minute: '2-digit', + second: '2-digit' + }).format(date); + return `${datePart} ${timePart}`; +} + +// NOAA heat-index formula function computeHeatIndex(T, R) { - const c1 = -42.379, c2 = 2.04901523, c3 = 10.14333127; - const c4 = -0.22475541, c5 = -6.83783e-3, c6 = -5.481717e-2; - const c7 = 1.22874e-3, c8 = 8.5282e-4, c9 = -1.99e-6; - const HI = c1 + c2*T + c3*R + c4*T*R + c5*T*T + c6*R*R + c7*T*T*R + c8*T*R*R + c9*T*T*R*R; + const [c1,c2,c3,c4,c5,c6,c7,c8,c9] = + [-42.379,2.04901523,10.14333127,-0.22475541, + -0.00683783,-0.05481717,0.00122874,0.00085282,-0.00000199]; + const HI = c1 + c2*T + c3*R + c4*T*R + + c5*T*T + c6*R*R + c7*T*T*R + + c8*T*R*R + c9*T*T*R*R; return Math.round(HI * 100) / 100; } -// Determine direction based on door number -function getDirection(door) { - door = Number(door); - if (door >= 124 && door <= 138) return 'Inbound'; - if (door >= 142 && door <= 201) return 'Outbound'; - if (door >= 202 && door <= 209) return 'Inbound'; - return 'Unknown'; +// Determine Day/Night shift and period key +function getShiftInfo(now) { + const est = new Date(now.toLocaleString('en-US', { timeZone:'America/New_York' })); + const h = est.getHours(), m = est.getMinutes(); + let shift, start = new Date(est); + + if (h > 7 || (h === 7 && m >= 0)) { + if (h < 17 || (h === 17 && m < 30)) { + shift = 'Day'; start.setHours(7,0,0,0); + } else { + shift = 'Night'; start.setHours(17,30,0,0); + } + } else { + shift = 'Night'; + start.setDate(start.getDate() - 1); + start.setHours(17,30,0,0); + } + + const key = `${shift}-${start.toISOString().slice(0,10)}-${start.getHours()}${start.getMinutes()}`; + return { shift, start, key, estNow: est }; } -app.use(bodyParser.json()); -app.use(express.static(path.join(__dirname, 'public'))); +// Fetch current weather from OpenWeatherMap +async function fetchCurrentWeather() { + const key = process.env.WEATHER_API_KEY; + const zip = process.env.ZIP_CODE; + if (!key || !zip) return 'Unavailable'; + try { + const { data } = await axios.get( + 'https://api.openweathermap.org/data/2.5/weather', + { params: { zip:`${zip},us`, appid:key, units:'imperial' } } + ); + 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); + return 'Unavailable'; + } +} +// ─── MariaDB Pool & Table Setup ─────────────────────────────────────────────── +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 +}); + +(async ()=>{ + const sql = ` + CREATE TABLE IF NOT EXISTS readings ( + id INT AUTO_INCREMENT PRIMARY KEY, + location VARCHAR(20) NOT NULL, + stationDockDoor VARCHAR(10) NOT NULL, + timestamp DATETIME NOT NULL, + temperature DOUBLE, + humidity DOUBLE, + heatIndex DOUBLE + );`; + await pool.execute(sql); +})(); + +// ─── Middleware & Static (serve heatmap.html as index) ─────────────────────── +app.use(bodyParser.json()); +const publicDir = path.join(__dirname,'public'); +app.use(express.static(publicDir, { index: 'heatmap.html' })); + +// ─── SSE Setup ─────────────────────────────────────────────────────────────── let clients = []; -app.get('/api/stream', (req, res) => { - res.set({ 'Content-Type': 'text/event-stream', 'Cache-Control': 'no-cache', Connection: 'keep-alive' }); +app.get('/api/stream',(req,res) => { + res.set({ + '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 payload = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`; - clients.forEach(res => res.write(payload)); +function broadcast(evt,data){ + const msg = `event: ${evt}\ndata: ${JSON.stringify(data)}\n\n`; + clients.forEach(c=>c.write(msg)); } -app.post('/api/readings', async (req, res) => { +// ─── Dual Dock-Door Readings Endpoint ──────────────────────────────────────── +app.post('/api/readings', async (req,res) => { try { - const { inbound, outbound } = req.body; // each: {dockDoor,temperature,humidity} - const timestamp = new Date(); - const entries = [inbound, outbound].map(r => { - const direction = getDirection(r.dockDoor); - const heatIndex = computeHeatIndex(r.temperature, r.humidity); - return { ...r, direction, timestamp, heatIndex }; + 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' }); + + const hiIn = computeHeatIndex(inT, inH); + const hiOut = computeHeatIndex(outT, outH); + const now = new Date(); + const { shift, key, estNow } = getShiftInfo(now); + shiftCounters[key] = (shiftCounters[key]||0) + 1; + const period = shiftCounters[key]; + + const sqlTs = formatDateEST(estNow); + const shortTs = shortEST(estNow); + + const insertSQL = ` + INSERT INTO readings(location,stationDockDoor,timestamp,temperature,humidity,heatIndex) + VALUES(?,?,?,?,?,?)`; + await pool.execute(insertSQL, ['Inbound', String(inD), sqlTs, inT, inH, hiIn]); + await pool.execute(insertSQL, ['Outbound', String(outD), sqlTs, outT, outH, hiOut]); + + broadcast('new-reading', { + location: 'Inbound', + stationDockDoor: String(inD), + timestamp: shortTs, + temperature: inT, + humidity: inH, + heatIndex: hiIn + }); + broadcast('new-reading', { + location: 'Outbound', + stationDockDoor: String(outD), + timestamp: shortTs, + temperature: outT, + humidity: outH, + heatIndex: hiOut }); - // Insert both - const ids = await db('readings').insert(entries); - const saved = entries.map((e, i) => ({ id: ids[i], ...e })); - // Broadcast and respond - saved.forEach(reading => broadcast('new-reading', reading)); + // 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(timestamp)=CURDATE() ORDER BY timestamp` + ); + let csvUrl=null; + try{ csvUrl=await uploadTrendsCsv(dateKey,rows) } + catch(e){ console.error('CSV upload error',e) } - // Slack notification with both - if (slackWebhook) { - const textLines = saved.map(r => - `Door *${r.dockDoor}* (${r.direction}) – Temp: ${r.temperature}°F, Humidity: ${r.humidity}%, HI: ${r.heatIndex}` - ); - await axios.post(slackWebhook, { text: 'New dual readings:\n' + textLines.join('\n') }); - } - res.json(saved); + const weather = await fetchCurrentWeather(); + + const text = + `*_${shift} shift Period ${period} dock/ trailer temperature checks for ${shortTs}_*\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:_* ${hiOut} °F 🥵`; + + // Send to Slack workflow trigger + await axios.post( + process.env.SLACK_WEBHOOK_URL, + { text }, + { headers:{ 'Content-Type':'application/json' } } + ); + + res.json({ success:true, shift, period, csvUrl }); } catch (err) { - console.error('Error saving readings or sending Slack:', err); + console.error('POST /api/readings error:', err); res.status(500).json({ error: err.message }); } }); -app.get('/api/readings', async (req, res) => { +// ─── Area/Mod Station Readings Endpoint ───────────────────────────────────── +app.post('/api/area-readings', async (req,res) => { try { - const rows = await db('readings').orderBy('timestamp', 'asc'); + const { area, stationCode, temperature: T, humidity: H } = req.body; + if (!area||!stationCode||T==null||H==null) + return res.status(400).json({ error:'Missing fields' }); + + const hi = computeHeatIndex(T, H); + const now = new Date(); + const { shift, estNow } = getShiftInfo(now); + + const sqlTs = formatDateEST(estNow); + const shortTs = shortEST(estNow); + + const insertSQL = ` + INSERT INTO readings(location,stationDockDoor,timestamp,temperature,humidity,heatIndex) + VALUES(?,?,?,?,?,?)`; + await pool.execute(insertSQL, [area, stationCode, sqlTs, T, H, hi]); + + broadcast('new-area-reading', { + location: area, + stationDockDoor: stationCode, + timestamp: shortTs, + temperature: T, + humidity: H, + heatIndex: hi + }); + + // CSV Upload + const y=estNow.getFullYear(), m=pad2(estNow.getMonth()+1), d=pad2(estNow.getDate()); + const dateKey=`${y}${m}${d}`; + const [rows] = await pool.execute( + `SELECT * FROM readings WHERE DATE(timestamp)=CURDATE() ORDER BY timestamp` + ); + let csvUrl=null; + try{ csvUrl=await uploadTrendsCsv(dateKey,rows) } + catch(e){ console.error('CSV upload error',e) } + + const weather = await fetchCurrentWeather(); + + const text = + `*_${shift} shift ${area} temp check for ${shortTs}_*\n` + + `*_Current Weather Forecast for Baltimore: ${weather}_*\n\n` + + `*_${area.toUpperCase()} station:_* ${stationCode}\n` + + `*_Temp:_* ${T} °F 🌡️\n` + + `*_Humidity:_* ${H} % 💦\n` + + `*_Heat Index:_* ${hi} °F 🥵`; + + await axios.post( + process.env.SLACK_WEBHOOK_URL, + { text }, + { headers:{ 'Content-Type':'application/json' } } + ); + + res.json({ success:true, csvUrl }); + } catch (err) { + console.error('POST /api/area-readings error:', err); + res.status(500).json({ error: err.message }); + } +}); + +// ─── GET all readings & CSV export ─────────────────────────────────────────── +app.get('/api/readings', async (req,res) => { + try { + const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp`); res.json(rows); } catch (err) { + console.error('GET /api/readings error:', err); res.status(500).json({ error: err.message }); } }); - -app.get('/api/export', async (req, res) => { +app.get('/api/export', async (req,res) => { try { - const rows = await db('readings').orderBy('timestamp', 'asc'); - res.setHeader('Content-disposition', 'attachment; filename=readings.csv'); - res.set('Content-Type', 'text/csv'); - res.write('id,dockDoor,direction,timestamp,temperature,humidity,heatIndex\n'); - rows.forEach(r => - res.write(`${r.id},${r.dockDoor},${r.direction},${r.timestamp},${r.temperature},${r.humidity},${r.heatIndex}\n`) - ); + const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp`); + res.setHeader('Content-disposition','attachment; filename=readings.csv'); + res.set('Content-Type','text/csv'); + res.write('id,location,stationDockDoor,timestamp,temperature,humidity,heatIndex\n'); + rows.forEach(r => { + const ts = formatDateEST(new Date(r.timestamp)); + res.write(`${r.id},${r.location},${r.stationDockDoor},${ts},${r.temperature},${r.humidity},${r.heatIndex}\n`); + }); res.end(); } catch (err) { + console.error('GET /api/export error:', err); res.status(500).send(err.message); } }); -app.listen(PORT, () => console.log(`Server running on http://localhost:${PORT}`)); \ No newline at end of file +// ─── Start Server ─────────────────────────────────────────────────────────── +app.listen(PORT, ()=>console.log(`Server running http://localhost:${PORT}`));