Export to PDF, MEAN Stack

controller.js

$http({
    url: '/api/v1/reports/age-gender',
    method: 'GET',
    responseType: 'arraybuffer'
})
.success(function (data, status) {
    var file = new Blob([data], {
        type: 'application/pdf'
    });
    var fileURL = URL.createObjectURL(file);
    window.open(fileURL);
})
.error(function (data, status) {
    console.log('data', data);
    console.log('status', status);
});

report.controller.js

'use strict';

var config = require('../../config/environment');
var wkhtmltopdf = require('wkhtmltopdf');
var fs = require('fs');
var layoutHtml = fs.readFileSync(config.root + '/server/views/report.ejs', 'utf8');
var ejs = require('ejs');
var eventService = require('../event/event.service');

exports.ageGender = function (req, res) {
    var html = '';
    var dataTemplate = {
        header: ['Rango Edad', 'Hombre', 'Mujer', 'Total', '% Participación'],
        values: [
            ['<10', '5', '5', '10', '10'],
            ['11 - 20', '10', '10', '20', '20'],
            ['21 - 30', '25', '25', '50', '50'],
            ['31 - 40', '5', '5', '10', '10'],
            ['>41', '5', '5', '10', '10']
        ]
    }

    html = ejs.render(layoutHtml, dataTemplate);
    var filename = "ageGender.pdf";
    var fileStream = wkhtmltopdf(html, {
        pageSize: 'letter',
        orientation: 'landscape',
        output: filename,
        footerRight: '[page]/[toPage]'
    });
    fileStream.on('finish', function () {
        fs.readFile(filename, function (err, data) {
            res.writeHead(200, {
                'Content-Type': 'application/pdf',
                    'Content-Length': data.size,
                    'Content-Disposition': 'attachment; filename="ageGender.pdf"'
            });
            res.end(data, 'binary');
        });
    });
};