locusbuilder-utility/server/index.js

Locusbuilder Utility server for asset scraping and processing

const Express = require('express');
const app = Express();

const modules = require('./modules');
const routes = require('./routes');

// Start the polling service
const polling= new modules.Polling({
    instances:5
});

app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
  });
/** Route definitions */
// jshint ignore: start
app.get('/parse', async (req,res) => {

    /*
    res.setHeader('Content-Type','application/json');

    var url = req.param('url');
    console.log('Requesting information for: ',url);
    try {
        let content = await modules.HtmlParser({'url':url});
        let $ = await modules.Optimizer({
            'content': content
        });

        let images = await $.findAll({search:'img', searchattr: 'src'});
        res.json(images);
    } catch(e) {
        res.json({err:e,invalid:'invalid response'})
    }
    */
    res.setHeader('Content-Type','application/json');

    var url = req.param('url');
    try {
        polling.poll(url).then((val) => {
            console.log('Evaluated ',url);
            res.json(val);
        });
    } catch(e) {
        res.json({'err':e});
    }
    
});

app.get('/test', (req,res) =>{
   try {
        polling.poll(false).then((val) =>{
            res.json(val);
        });
        
   } catch(e) {
       res.json({err:e})
   }
})

app.get('*', (req,res) => {
    res.setHeader('Content-Type','application/json');
    res.send(JSON.stringify({err: 'invalid access'}));
});
app.listen(3000, () => console.log('Listening on port 3000'))