index.js

var Render = require('../render'),
    render = Render.render,
    config = require('../config'),
    moment = require('moment'),
    helpers = require('../helpers'),
    env = process.env;

/**
 * Функция-обертка, контроллер.
 * @function
 * @param {object} req - Запрос.
 * @param {object} res - Ответ.
 */
function getContent(req, res) {
    var passport = req.session.passport || {},
        servicesTwitter = config.services.twitter;

    var query = req.query || {},
        q = query.q ? '#' + query.q : '#bem',
        lang = query.lang || 'en',
        count = query.count || 12,
        twitter = typeof twitter === 'undefined' && !req.xhr ? true : query.twitter;

    var twitterParams = {
        max_id: query.max_id,
        count: count,
        lang: lang,
        result_type: 'recent',
        q: q
    };

    var twitterRequest = twitter ? helpers.twitter(servicesTwitter, twitterParams) : [];

    Promise.all([twitterRequest]).then(function(results) {
        var twitterResults = results[0],
            results = ([]).concat(twitterResults.tweets || [])
                .sort(function(a, b) {
                    return +new Date(b.time) - +new Date(a.time);
                })
                .map(function(item) {
                    item.time = moment(item.time).fromNow();
                    return item;
                });

        render(req, res, {
            view: 'index',
            title: 'Social Services Search Robot',
            meta: {
                description: 'With the Social Services Search Robot you can find the latest tweets and videos',
                og: {
                    url: 'http://localhost:3000',
                    siteName: 'BEM'
                }
            },
            q: q,
            user: passport.user,
            maxid: twitterResults.nextPageId,
            result: results
        }, req.xhr && { block: 'result' });

    }).catch(function(err) {
        console.log(err);
        res.status(500);
        render(req, res, {
            view: '500'
        });
    });
}

module.exports = {
    getContent
};