Move project to GitHub and hide Telegram config

app/main.ts

@@ -0,0 +1,164 @@
+/// <reference path="../typings/express/express.d.ts" />
+/// <reference path="../typings/onoff/onoff.d.ts" />
+/// <reference path="../typings/request/request.d.ts" />
+/// <reference path="../typings/tsd.d.ts" />
+
+// ---
+
+import os = require('os');
+import bunyan = require('bunyan');
+import express = require('express');
+import http = require('http');
+import socketio = require('socket.io');
+import request = require('request');
+
+import device = require('./device');
+import Device = device.Device;
+
+import config = require('./config');
+import Config = config.config;
+
+var app = express();
+var server = http.createServer(app);
+var io = socketio(server);
+
+// ---
+
+var log = bunyan.createLogger({
+    name: 'laundry_monitor',
+    streams: [
+        {
+            type: 'rotating-file',
+            path: '/var/log/laundry_monitor.log',
+            period: '1d',
+            count: 3
+        },
+        {
+            stream: process.stdout
+        }
+    ]
+});
+
+device.log = log;
+
+// ---
+
+log.info('Setting up devices');
+
+var deviceListConfiguration: device.DeviceListConfiguration = {
+    pollInterval: Config.refreshInterval,
+    deviceConfiguration: [{ key: 'washer', pin: 413 }, { key: 'dryer', pin: 415 }],
+    deviceUpdateCallback: (device: Device, initialUpdate: boolean) => {
+        if (initialUpdate) {
+            return;
+        }
+
+        queueDeviceUpdate(device, undefined, 'The {name} is now {status}.');
+    }
+};
+
+var devices = new device.DeviceList(deviceListConfiguration);
+
+// ---
+
+const deviceLastState: { [key: string]: boolean } = {};
+const deviceUpdateQueue: { [key: string]: number } = {};
+
+function queueDeviceUpdate(device: Device, header: string, deviceTemplate: string) {
+    if (deviceUpdateQueue[device.key]) {
+        log.info(`queueDeviceUpdate - Stopping old timer for device: ${device.key}`);
+        clearTimeout(deviceUpdateQueue[device.key]);
+    }
+
+    log.info(`queueDeviceUpdate - Starting new timer for device: ${device.key}`);
+
+    deviceUpdateQueue[device.key] = setTimeout(() => {
+        if (deviceLastState[device.key] !== device.value) {
+            sendTelegramDeviceUpdate([device], header, deviceTemplate);
+            emitStatus(device.getStatus());
+        } else {
+            log.info(`queueDeviceUpdate - No change for device: ${device.key}`);
+        }
+
+        delete deviceUpdateQueue[device.key];
+    }, Config.deviceDebounceInterval) as any;
+}
+
+function sendTelegramDeviceUpdate(devices: Array<Device>, header: string, deviceTemplate: string) {
+    let telegramMessage = header || '';
+
+    devices.forEach((device: Device) => {
+        deviceLastState[device.key] = device.value;
+
+        const deviceLine = deviceTemplate.replace('{name}', device.key).replace('{status}', device.value ? 'ON' : 'OFF');
+
+        telegramMessage += `${deviceLine}\n`;
+    });
+
+    if (telegramMessage.length > 0) {
+        sendTelegramMessage(telegramMessage);
+    }
+}
+
+function sendTelegramMessage(message: string) {
+    log.info(`Telegram message: ${message}`);
+
+    if (!Config.enableTelegram) {
+        return;
+    }
+
+    const sendChatId = Config.debug ? Config.debugChatId : Config.chatId;
+
+    const url = `https://api.telegram.org/bot${Config.botToken}/sendMessage?chat_id=${sendChatId}&text=${encodeURIComponent(message)}`;
+
+    request(url);
+}
+
+// ---
+
+log.info('Starting web server');
+
+app.get('/getStatus', (request, response) => {
+    const data = devices.getStatus();
+
+    response.end(JSON.stringify(data));
+});
+
+server.listen(Config.port, () => {
+    const host = os.hostname();
+
+    log.info(`Listening at http://${host}:${Config.port}`);
+});
+
+// ---
+
+log.info('Starting socket.io server');
+
+function emitStatus(status: any) {
+    const socketMessage = JSON.stringify(status);
+
+    log.info(`emitStatus: ${socketMessage}`);
+
+    io.emit('status', socketMessage);
+}
+
+io.on('connection', (socket: SocketIO.Socket) => {
+    log.info('socket.io: connection');
+
+    socket.on('getStatus', () => {
+        log.info('socket.io: getStatus');
+
+        emitStatus(devices.getStatus());
+    });
+
+    socket.on('disconnect', () => {
+        log.info('socket.io: disconnect');
+    });
+});
+
+// ---
+
+log.info('Ready');
+
+emitStatus(devices.getStatus());
+sendTelegramDeviceUpdate(devices.getDevices(), 'Powering up!\n\n', 'The {name} is currently {status}.');