Upload files to "/"
This commit is contained in:
parent
a7f5e6fcac
commit
12fdab583d
309
server.js
Normal file
309
server.js
Normal file
@ -0,0 +1,309 @@
|
|||||||
|
// server.js
|
||||||
|
require('dotenv').config();
|
||||||
|
const express = require('express');
|
||||||
|
const mysql = require('mysql2/promise');
|
||||||
|
const bodyParser = require('body-parser');
|
||||||
|
const path = require('path');
|
||||||
|
const axios = require('axios');
|
||||||
|
const { uploadTrendsCsv } = require('./s3');
|
||||||
|
|
||||||
|
const app = express();
|
||||||
|
const PORT = process.env.PORT || 3000;
|
||||||
|
|
||||||
|
// In-memory shift counters
|
||||||
|
const shiftCounters = {};
|
||||||
|
|
||||||
|
/** Helpers **/
|
||||||
|
|
||||||
|
// Format a JS Date in EST as SQL DATETIME
|
||||||
|
function formatDateEST(date) {
|
||||||
|
const pad = n => n.toString().padStart(2,'0');
|
||||||
|
return `${date.getFullYear()}-${pad(date.getMonth()+1)}-${pad(date.getDate())} ` +
|
||||||
|
`${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Format a JS Date in EST as an ISO-like string (no Z)
|
||||||
|
function isoStringEST(date) {
|
||||||
|
const pad = n => n.toString().padStart(2,'0');
|
||||||
|
return `${date.getFullYear()}-${pad(date.getMonth()+1)}-${pad(date.getDate())}` +
|
||||||
|
`T${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Compute heat index (NOAA 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;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Determine shift (Day/Night), shiftStart, key & estNow in EST
|
||||||
|
function getShiftInfo(now) {
|
||||||
|
const estNow = new Date(now.toLocaleString('en-US',{ timeZone:'America/New_York' }));
|
||||||
|
const [h,m] = [estNow.getHours(), estNow.getMinutes()];
|
||||||
|
let shift, shiftStart = new Date(estNow);
|
||||||
|
|
||||||
|
if (h>7 || (h===7 && m>=0)) {
|
||||||
|
if (h<17 || (h===17 && m<30)) {
|
||||||
|
shift = 'Day'; shiftStart.setHours(7,0,0,0);
|
||||||
|
} else {
|
||||||
|
shift = 'Night'; shiftStart.setHours(17,30,0,0);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
shift = 'Night';
|
||||||
|
shiftStart.setDate(shiftStart.getDate()-1);
|
||||||
|
shiftStart.setHours(17,30,0,0);
|
||||||
|
}
|
||||||
|
|
||||||
|
const key = `${shift}-${shiftStart.toISOString().slice(0,10)}-` +
|
||||||
|
`${shiftStart.getHours()}${shiftStart.getMinutes()}`;
|
||||||
|
return { shift, shiftStart, key, estNow };
|
||||||
|
}
|
||||||
|
|
||||||
|
// Fetch current weather from OpenWeatherMap
|
||||||
|
async function fetchCurrentWeather() {
|
||||||
|
const apiKey = process.env.WEATHER_API_KEY;
|
||||||
|
const zip = process.env.ZIP_CODE;
|
||||||
|
if (!apiKey || !zip) return null;
|
||||||
|
try {
|
||||||
|
const { data } = await axios.get(
|
||||||
|
'https://api.openweathermap.org/data/2.5/weather',
|
||||||
|
{ params: { zip:`${zip},us`, appid:apiKey, units:'imperial' } }
|
||||||
|
);
|
||||||
|
return {
|
||||||
|
description: data.weather[0].description,
|
||||||
|
humidity: data.main.humidity,
|
||||||
|
temperature: data.main.temp
|
||||||
|
};
|
||||||
|
} catch (err) {
|
||||||
|
console.error('Weather API error:', err.message);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/** 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,
|
||||||
|
enableKeepAlive: true,
|
||||||
|
keepAliveInitialDelay:10000
|
||||||
|
});
|
||||||
|
|
||||||
|
// Ensure readings table exists (for dock doors & areas)
|
||||||
|
(async ()=>{
|
||||||
|
const createSQL = `
|
||||||
|
CREATE TABLE IF NOT EXISTS readings (
|
||||||
|
id INT AUTO_INCREMENT PRIMARY KEY,
|
||||||
|
dockDoor INT,
|
||||||
|
direction VARCHAR(10),
|
||||||
|
region VARCHAR(20),
|
||||||
|
stationCode VARCHAR(10),
|
||||||
|
timestamp DATETIME NOT NULL,
|
||||||
|
temperature DOUBLE,
|
||||||
|
humidity DOUBLE,
|
||||||
|
heatIndex DOUBLE
|
||||||
|
);
|
||||||
|
`;
|
||||||
|
await pool.execute(createSQL);
|
||||||
|
})();
|
||||||
|
|
||||||
|
/** SSE for real-time updates **/
|
||||||
|
let clients = [];
|
||||||
|
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); });
|
||||||
|
});
|
||||||
|
function broadcast(event,data){
|
||||||
|
const msg = `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
|
||||||
|
clients.forEach(c=>c.write(msg));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Middleware & static
|
||||||
|
app.use(bodyParser.json());
|
||||||
|
app.use(express.static(path.join(__dirname,'public')));
|
||||||
|
|
||||||
|
/** Dual-dock-door readings **/
|
||||||
|
app.post('/api/readings',async(req,res)=>{
|
||||||
|
try {
|
||||||
|
const { inbound={}, outbound={} } = req.body;
|
||||||
|
const { dockDoor: inDoor, temperature: inTemp, humidity: inHum } = inbound;
|
||||||
|
const { dockDoor: outDoor,temperature: outTemp,humidity: outHum } = outbound;
|
||||||
|
if ([inDoor,inTemp,inHum,outDoor,outTemp,outHum].some(v=>v===undefined))
|
||||||
|
return res.status(400).json({error:'Missing inbound/outbound fields'});
|
||||||
|
|
||||||
|
const hiIn = computeHeatIndex(inTemp,inHum);
|
||||||
|
const hiOut = computeHeatIndex(outTemp,outHum);
|
||||||
|
const { shift, shiftStart, key, estNow } = getShiftInfo(new Date());
|
||||||
|
shiftCounters[key]=(shiftCounters[key]||0)+1;
|
||||||
|
const period = shiftCounters[key];
|
||||||
|
|
||||||
|
const sqlTs = formatDateEST(estNow);
|
||||||
|
const bcTs = isoStringEST(estNow);
|
||||||
|
|
||||||
|
// Insert dock readings
|
||||||
|
const insertSQL = `
|
||||||
|
INSERT INTO readings
|
||||||
|
(dockDoor,direction,timestamp,temperature,humidity,heatIndex)
|
||||||
|
VALUES (?,?,?,?,?,?)
|
||||||
|
`;
|
||||||
|
await pool.execute(insertSQL,[inDoor,'inbound',sqlTs,inTemp,inHum,hiIn]);
|
||||||
|
await pool.execute(insertSQL,[outDoor,'outbound',sqlTs,outTemp,outHum,hiOut]);
|
||||||
|
|
||||||
|
// Broadcast SSE
|
||||||
|
broadcast('new-reading',{ dockDoor:inDoor, direction:'inbound',timestamp:bcTs,
|
||||||
|
temperature:inTemp, humidity:inHum, heatIndex:hiIn });
|
||||||
|
broadcast('new-reading',{ dockDoor:outDoor,direction:'outbound',timestamp:bcTs,
|
||||||
|
temperature:outTemp,humidity:outHum,heatIndex:hiOut });
|
||||||
|
|
||||||
|
// Build CSV & upload
|
||||||
|
const dateKey = `${estNow.getFullYear()}${String(estNow.getMonth()+1).padStart(2,'0')}${String(estNow.getDate()).padStart(2,'0')}`;
|
||||||
|
const [rows] = await pool.execute(
|
||||||
|
`SELECT * FROM readings WHERE DATE(timestamp)=CURDATE() ORDER BY timestamp ASC`
|
||||||
|
);
|
||||||
|
let csvUrl=null;
|
||||||
|
try{ csvUrl = await uploadTrendsCsv(dateKey,rows); }
|
||||||
|
catch(e){ console.error('CSV upload error:',e); }
|
||||||
|
|
||||||
|
// Weather
|
||||||
|
const weather = await fetchCurrentWeather();
|
||||||
|
|
||||||
|
// Slack payload
|
||||||
|
const slackPayload = {
|
||||||
|
text: 'New temperature readings recorded',
|
||||||
|
inbound_dockDoor: inDoor,
|
||||||
|
inbound_temperature: inTemp,
|
||||||
|
inbound_humidity: inHum,
|
||||||
|
hiIn,
|
||||||
|
outbound_dockDoor: outDoor,
|
||||||
|
outbound_temperature:outTemp,
|
||||||
|
outbound_humidity: outHum,
|
||||||
|
hiOut,
|
||||||
|
shift,
|
||||||
|
period,
|
||||||
|
timestamp: bcTs,
|
||||||
|
csvUrl,
|
||||||
|
current_weather: weather?.description || null,
|
||||||
|
current_humidity: weather?.humidity || null,
|
||||||
|
current_temperature: weather?.temperature || null
|
||||||
|
};
|
||||||
|
await axios.post(process.env.SLACK_WEBHOOK_URL,slackPayload);
|
||||||
|
|
||||||
|
res.json({ success:true, shift,period,csvUrl });
|
||||||
|
} catch(err) {
|
||||||
|
console.error('POST /api/readings error:',err);
|
||||||
|
res.status(500).json({ error: err.message });
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
/** Area (A-Mod / AFE-1 / AFE-2 / B-Mod) readings **/
|
||||||
|
app.post('/api/area-readings',async(req,res)=>{
|
||||||
|
try {
|
||||||
|
const { area, stationCode, temperature, humidity } = req.body;
|
||||||
|
if (!area||!stationCode||temperature==null||humidity==null)
|
||||||
|
return res.status(400).json({error:'Missing area,stationCode,temp,humidity'});
|
||||||
|
|
||||||
|
const hi = computeHeatIndex(temperature,humidity);
|
||||||
|
const { shift, shiftStart, key, estNow } = getShiftInfo(new Date());
|
||||||
|
shiftCounters[key]=(shiftCounters[key]||0)+1;
|
||||||
|
const period = shiftCounters[key];
|
||||||
|
const sqlTs = formatDateEST(estNow);
|
||||||
|
const bcTs = isoStringEST(estNow);
|
||||||
|
|
||||||
|
// Insert area reading
|
||||||
|
const sql = `
|
||||||
|
INSERT INTO readings
|
||||||
|
(region,stationCode,timestamp,temperature,humidity,heatIndex)
|
||||||
|
VALUES (?,?,?,?,?,?)
|
||||||
|
`;
|
||||||
|
await pool.execute(sql,[area,stationCode,sqlTs,temperature,humidity,hi]);
|
||||||
|
|
||||||
|
// Broadcast SSE
|
||||||
|
broadcast('new-area-reading',{ region:area,stationCode,timestamp:bcTs,
|
||||||
|
temperature,humidity,heatIndex:hi });
|
||||||
|
|
||||||
|
// Build CSV & upload
|
||||||
|
const dateKey = `${estNow.getFullYear()}${String(estNow.getMonth()+1).padStart(2,'0')}${String(estNow.getDate()).padStart(2,'0')}`;
|
||||||
|
const [rows] = await pool.execute(
|
||||||
|
`SELECT * FROM readings WHERE DATE(timestamp)=CURDATE() ORDER BY timestamp ASC`
|
||||||
|
);
|
||||||
|
let csvUrl=null;
|
||||||
|
try{ csvUrl = await uploadTrendsCsv(dateKey,rows); }
|
||||||
|
catch(e){ console.error('CSV upload error:',e); }
|
||||||
|
|
||||||
|
// Weather
|
||||||
|
const weather = await fetchCurrentWeather();
|
||||||
|
|
||||||
|
// Slack payload
|
||||||
|
const slackPayload = {
|
||||||
|
text: 'New area temperature reading',
|
||||||
|
area,
|
||||||
|
stationCode,
|
||||||
|
temperature,
|
||||||
|
humidity,
|
||||||
|
heatIndex: hi,
|
||||||
|
shift,
|
||||||
|
period,
|
||||||
|
timestamp: bcTs,
|
||||||
|
csvUrl,
|
||||||
|
current_weather: weather?.description || null,
|
||||||
|
current_humidity: weather?.humidity || null,
|
||||||
|
current_temperature: weather?.temperature || null
|
||||||
|
};
|
||||||
|
await axios.post(process.env.SLACK_WEBHOOK_URL,slackPayload);
|
||||||
|
|
||||||
|
res.json({ success:true, shift,period,csvUrl });
|
||||||
|
} catch(err) {
|
||||||
|
console.error('POST /api/area-readings error:',err);
|
||||||
|
res.status(500).json({ error: err.message });
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
/** Return all readings **/
|
||||||
|
app.get('/api/readings',async(req,res)=>{
|
||||||
|
try {
|
||||||
|
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp ASC`);
|
||||||
|
res.json(rows);
|
||||||
|
} catch(err) {
|
||||||
|
console.error('GET /api/readings error:',err);
|
||||||
|
res.status(500).json({ error: err.message });
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
/** Export CSV of all readings **/
|
||||||
|
app.get('/api/export',async(req,res)=>{
|
||||||
|
try {
|
||||||
|
const [rows] = await pool.execute(`SELECT * FROM readings ORDER BY timestamp ASC`);
|
||||||
|
res.setHeader('Content-disposition','attachment; filename=readings.csv');
|
||||||
|
res.set('Content-Type','text/csv');
|
||||||
|
res.write('id,dockDoor,direction,region,stationCode,timestamp,temperature,humidity,heatIndex\n');
|
||||||
|
rows.forEach(r=>{
|
||||||
|
const ts = r.timestamp instanceof Date ? formatDateEST(r.timestamp) : r.timestamp;
|
||||||
|
res.write(`${r.id},${r.dockDoor||''},${r.direction||''},${r.region||''},${r.stationCode||''},${ts},${r.temperature},${r.humidity},${r.heatIndex}\n`);
|
||||||
|
});
|
||||||
|
res.end();
|
||||||
|
} catch(err) {
|
||||||
|
console.error('GET /api/export error:',err);
|
||||||
|
res.status(500).send(err.message);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// Start server
|
||||||
|
app.listen(PORT,()=>{
|
||||||
|
console.log(`Server running on http://localhost:${PORT}`);
|
||||||
|
});
|
||||||
Loading…
x
Reference in New Issue
Block a user