88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
import { Observable } from 'rx';
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import dedent from 'dedent';
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import moment from 'moment';
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import { timeCache, observeMethod } from '../utils/rx';
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function numberWithCommas(x) {
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return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
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}
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// userCount(where: Object) => Observable[Number]
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// getCertCount(userCount: userCount, cert: String) => Observable[Number]
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function getCertCount(userCount, cert) {
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return userCount({ [cert]: true })
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// using This-Bind operator
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::timeCache(2, 'hours');
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}
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function getAllThreeCertsCount(userCount) {
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return userCount({
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isFrontEndCert: true,
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isDataVisCert: true,
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isBackEndCert: true
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})
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::timeCache(2, 'hours');
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}
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export default function about(app) {
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const router = app.loopback.Router();
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const User = app.models.User;
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const userCount = observeMethod(User, 'count');
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const frontEndCount$ = getCertCount(userCount, 'isFrontEndCert');
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const dataVisCount$ = getCertCount(userCount, 'isDataVisCert');
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const backEndCount$ = getCertCount(userCount, 'isBackEndCert');
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const allThreeCount$ = getAllThreeCertsCount(userCount);
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function showAbout(req, res, next) {
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const daysRunning = moment().diff(new Date('10/15/2014'), 'days');
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Observable.combineLatest(
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frontEndCount$,
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dataVisCount$,
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backEndCount$,
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allThreeCount$,
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(
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frontEndCount = 0,
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dataVisCount = 0,
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backEndCount = 0,
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allThreeCount = 0
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) => ({
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frontEndCount,
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dataVisCount,
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backEndCount,
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allThreeCount
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})
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)
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.doOnNext(({
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frontEndCount,
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dataVisCount,
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backEndCount,
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allThreeCount
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}) => {
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res.render('resources/about', {
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frontEndCount: numberWithCommas(frontEndCount),
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dataVisCount: numberWithCommas(dataVisCount),
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backEndCount: numberWithCommas(backEndCount),
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allThreeCount: numberWithCommas(allThreeCount),
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daysRunning,
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title: dedent`
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About our Open Source Community, our social media presence,
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and how to contact us
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`.split('\n').join(' '),
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globalCompletedCount: numberWithCommas(
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5612952 + (Math.floor((Date.now() - 1446268581061) / 1800))
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),
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globalPledgedAmount: numberWithCommas(Math.floor(
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28000 +
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((Date.now() - 1456207176902) / (2629746000 / 2000) * 8.30)
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))
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});
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})
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.subscribe(() => {}, next);
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}
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router.get('/about', showAbout);
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app.use(router);
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}
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