index.js

"use strict";

const config = require('./config')

const DeparturesBoard = require('./lib/darwinDeparturesBoard')
const TFLAPI = require('./lib/tflAPI')
const fs = require('fs')
const path = require('path')
const bunyan = require('bunyan')
const bunyanRequest = require('bunyan-request');


const express = require("express");
const bodyParser = require('body-parser')

const log = bunyan.createLogger({
    name: 'slms-dashboard'
});

const app = express();
app.use(bodyParser.json())
const server = require('http').createServer(app);
const io = require('socket.io')(server);

var router = express.Router();
var viewPath = __dirname + '/views/';
var activeWidgets = []
//socketio stuff
io.on('connection', function(client) {
    console.log('Client connected...');
    client.on('join', function(data) {
        // client connected
    });
})

function sendAlert(message)
{
      io.emit('alert', {
         messageType: 'alert-warning',
         message: message,
         messageTimeout: 5000
      })
}
router.get("/", (req, res) => {
    res.sendFile(path.join(viewPath, "index.html"));
});

// load all of the available widgets
fs.readdir(path.join(__dirname, '/widgets'), (err, entries) => {
    if (err) {
        log.error("Can't load widgets: " + err)
        process.exit(5)
    }
    entries.forEach((entry) => {
        var widgetName = entry
        fs.stat(path.join(__dirname, '/widgets/', entry), (err, stats) => {
            if (err) {
                log.error("Couldn't stat entry " + entry + ": " + err)
            }
            if (stats.isDirectory()) {
                var widgetPath = path.join(__dirname, '/widgets/', entry)
                log.info('Found widget:', widgetName, widgetPath)
                require(path.join(widgetPath, 'routes.js'))(router)
                router.get('/' + widgetName + '/widget.html', function(req, res) {
                    res.sendFile(path.join(widgetPath, 'widget.html'))
                })
                router.use('/' + entry + '/', express.static(path.join(widgetPath, 'public')))
                router.get('/' + entry + '/.*', express.static(path.join(widgetPath, 'public')))
                activeWidgets.push(widgetName)
            }
        })
    })
})

// provide a list of all widgets
router.get('/widgets', function(req, res) {
    res.end(JSON.stringify(activeWidgets))
})

router.get('/layout', function(req, res) {
    //TODO: make this actually do something :)
    // serve a layout structure for the page to render
})
router.post('/event', function (req, res) {
   console.log('alert', req.body)
   res.end(sendAlert(req.body.name + " has " + req.body.action))
})
/*app.use(bunyanRequest({
    logger: bunyan.createLogger({
        name: "slms-dashboard-http",
        headerName: 'x-request-id'
    })
}));*/
app.use('/bower_components', express.static(path.join(__dirname, 'bower_components')))
app.use("/", router);
app.use(express.static('public'))

app.use("*", (req, res) => {
    res.sendFile(__dirname + "404.html");
});

server.listen(config.httpPort, () => {
    console.log("Live at Port " + config.httpPort);
});