splslookup.js

module['exports'] = function myService (hook) {  
  var request = require("request");
  
  const params = hook.params;
  const res = hook.res;
  
  const sku = hook.params.sku;
  const zip = hook.params.zipcode;
  
  res.setHeader('Content-Type', 'application/json');

  request(`https://www.staples.ca/fr/product_${sku}_1-CA_2_20001`, function (error, response, body) {
    if (error) {
      res.writeHead(500);
      res.json({error: error});
    };
    const catRE = new RegExp(`StaplesCACAS\/fr-CA\/1-CA\/CL(\\d+)\/${sku}`, 'gi');
    let pricePath = catRE.exec(body);
    if (pricePath) {
      pricePath = `https://www.staples.ca/asgard-node/v1/nad/staplesus/price/${sku}?productDocKey=StaplesCACAS/fr-CA/1-CA/CL${pricePath[1]}/${sku}`;
    } else {
      res.writeHead(404);
      res.json({error: 'Error with the supplied SKU (CAT)'});
    }
    let desc = /<h1[\s\S]*?>[\s\S]*?(.+)[\s\S]*?<\/h1>/ig.exec(body);
    if (desc) {
      desc = desc[1];
    } else {
      res.writeHead(404);
      res.json({error: 'Error with the supplied SKU (H1)'});
    }
    request({url: pricePath, headers: {'cookie': `zipcode=${zip};`}}, function (e, r, b) {
      if (e) {
        res.writeHead(500);
        res.json({error: e});
      };
      b = JSON.parse(b);
      res.json({
        sku: sku,
      	description: desc,
        listPrice: b['pricing']['listPrice'],
        finalPrice: b['pricing']['finalPrice'],
        savings: b['pricing']['savings']
      });
    });
  });
};