439 lines
12 KiB
JavaScript
439 lines
12 KiB
JavaScript
/**
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*
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* Any ref to fixCompletedChallengesItem should be removed post
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* a db migration to fix all completedChallenges
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*
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*/
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import { Observable } from 'rx';
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import _ from 'lodash';
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import debug from 'debug';
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import accepts from 'accepts';
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import dedent from 'dedent';
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import { homeLocation } from '../../../config/env.json';
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import { ifNoUserSend } from '../utils/middleware';
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import { dasherize } from '../utils';
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import pathMigrations from '../resources/pathMigration.json';
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import { fixCompletedChallengeItem } from '../../common/utils';
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const log = debug('fcc:boot:challenges');
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const learnURL = `${homeLocation}/learn`;
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const jsProjects = [
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'aaa48de84e1ecc7c742e1124',
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'a7f4d8f2483413a6ce226cac',
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'56533eb9ac21ba0edf2244e2',
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'aff0395860f5d3034dc0bfc9',
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'aa2e6f85cab2ab736c9a9b24'
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];
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function buildUserUpdate(user, challengeId, _completedChallenge, timezone) {
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const { files } = _completedChallenge;
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let completedChallenge = {};
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if (jsProjects.includes(challengeId)) {
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completedChallenge = {
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..._completedChallenge,
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files: Object.keys(files)
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.map(key => files[key])
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.map(file =>
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_.pick(file, ['contents', 'key', 'index', 'name', 'path', 'ext'])
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)
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};
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} else {
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completedChallenge = _.omit(_completedChallenge, ['files']);
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}
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let finalChallenge;
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const updateData = {};
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const { timezone: userTimezone, completedChallenges = [] } = user;
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const oldChallenge = _.find(
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completedChallenges,
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({ id }) => challengeId === id
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);
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const alreadyCompleted = !!oldChallenge;
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if (alreadyCompleted) {
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finalChallenge = {
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...completedChallenge,
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completedDate: oldChallenge.completedDate
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};
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} else {
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updateData.$push = {
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...updateData.$push,
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progressTimestamps: Date.now()
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};
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finalChallenge = {
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...completedChallenge
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};
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}
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updateData.$set = {
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completedChallenges: _.uniqBy(
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[finalChallenge, ...completedChallenges.map(fixCompletedChallengeItem)],
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'id'
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)
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};
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if (
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timezone &&
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timezone !== 'UTC' &&
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(!userTimezone || userTimezone === 'UTC')
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) {
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updateData.$set = {
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...updateData.$set,
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timezone: userTimezone
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};
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}
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return {
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alreadyCompleted,
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updateData,
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completedDate: finalChallenge.completedDate
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};
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}
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function buildChallengeUrl(challenge) {
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const { superBlock, block, dashedName } = challenge;
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return `/learn/${dasherize(superBlock)}/${dasherize(block)}/${dashedName}`;
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}
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function getFirstChallenge(Challenge) {
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return new Promise(resolve => {
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Challenge.find(
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{ where: { challengeOrder: 0, superOrder: 1, order: 0 } },
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(err, challenge) => {
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if (err) {
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console.log(err);
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return resolve('/learn');
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}
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return resolve(buildChallengeUrl(challenge));
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}
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);
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});
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}
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async function createChallengeUrlResolver(app) {
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const { Challenge } = app.models;
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const cache = new Map();
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const firstChallenge = await getFirstChallenge(Challenge);
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return function resolveChallengeUrl(id) {
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return new Promise(resolve => {
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if (cache.has(id)) {
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return resolve(cache.get(id));
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}
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return Challenge.findById(id, (err, challenge) => {
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if (err) {
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console.log(err);
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return firstChallenge;
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}
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const challengeUrl = buildChallengeUrl(challenge);
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cache.set(id, challengeUrl);
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return resolve(challengeUrl);
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});
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});
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};
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}
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export default async function bootChallenge(app, done) {
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const send200toNonUser = ifNoUserSend(true);
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const api = app.loopback.Router();
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const router = app.loopback.Router();
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const challengeUrlResolver = await createChallengeUrlResolver(app);
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api.post(
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'/modern-challenge-completed',
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send200toNonUser,
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modernChallengeCompleted
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);
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// deprecate endpoint
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// remove once new endpoint is live
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api.post('/completed-challenge', send200toNonUser, completedChallenge);
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api.post('/challenge-completed', send200toNonUser, completedChallenge);
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// deprecate endpoint
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// remove once new endpoint is live
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api.post(
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'/completed-zipline-or-basejump',
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send200toNonUser,
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projectCompleted
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);
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api.post('/project-completed', send200toNonUser, projectCompleted);
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api.post(
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'/backend-challenge-completed',
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send200toNonUser,
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backendChallengeCompleted
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);
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router.get('/challenges/current-challenge', redirectToCurrentChallenge);
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router.get('/challenges', redirectToLearn);
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router.get('/challenges/*', redirectToLearn);
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router.get('/map', redirectToLearn);
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app.use(api);
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app.use('/external', api);
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app.use('/internal', api);
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app.use(router);
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function modernChallengeCompleted(req, res, next) {
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const type = accepts(req).type('html', 'json', 'text');
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req.checkBody('id', 'id must be an ObjectId').isMongoId();
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const errors = req.validationErrors(true);
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if (errors) {
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if (type === 'json') {
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return res.status(403).send({ errors });
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}
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log('errors', errors);
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return res.sendStatus(403);
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}
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const user = req.user;
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return user
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.getCompletedChallenges$()
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.flatMap(() => {
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const completedDate = Date.now();
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const { id, files } = req.body;
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const { alreadyCompleted, updateData } = buildUserUpdate(user, id, {
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id,
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files,
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completedDate
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});
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const points = alreadyCompleted ? user.points : user.points + 1;
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const updatePromise = new Promise((resolve, reject) =>
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user.updateAttributes(updateData, err => {
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if (err) {
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return reject(err);
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}
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return resolve();
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})
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);
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return Observable.fromPromise(updatePromise).map(() => {
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if (type === 'json') {
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return res.json({
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points,
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alreadyCompleted,
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completedDate
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});
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}
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return res.sendStatus(200);
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});
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})
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.subscribe(() => {}, next);
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}
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function completedChallenge(req, res, next) {
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req.checkBody('id', 'id must be an ObjectId').isMongoId();
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const type = accepts(req).type('html', 'json', 'text');
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const errors = req.validationErrors(true);
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const { user } = req;
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if (errors) {
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if (type === 'json') {
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return res.status(403).send({ errors });
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}
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log('errors', errors);
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return res.sendStatus(403);
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}
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return user
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.getCompletedChallenges$()
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.flatMap(() => {
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const completedDate = Date.now();
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const { id, solution, timezone, files } = req.body;
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const { alreadyCompleted, updateData } = buildUserUpdate(
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user,
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id,
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{ id, solution, completedDate, files },
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timezone
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);
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const points = alreadyCompleted ? user.points : user.points + 1;
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const updatePromise = new Promise((resolve, reject) =>
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user.updateAttributes(updateData, err => {
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if (err) {
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return reject(err);
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}
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return resolve();
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})
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);
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return Observable.fromPromise(updatePromise).map(() => {
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if (type === 'json') {
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return res.json({
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points,
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alreadyCompleted,
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completedDate
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});
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}
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return res.sendStatus(200);
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});
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})
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.subscribe(() => {}, next);
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}
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function projectCompleted(req, res, next) {
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const type = accepts(req).type('html', 'json', 'text');
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req.checkBody('id', 'id must be an ObjectId').isMongoId();
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req.checkBody('challengeType', 'must be a number').isNumber();
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req.checkBody('solution', 'solution must be a URL').isURL();
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const errors = req.validationErrors(true);
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if (errors) {
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if (type === 'json') {
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return res.status(403).send({ errors });
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}
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log('errors', errors);
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return res.sendStatus(403);
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}
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const { user, body = {} } = req;
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const completedChallenge = _.pick(body, [
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'id',
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'solution',
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'githubLink',
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'challengeType',
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'files'
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]);
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completedChallenge.completedDate = Date.now();
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if (
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!completedChallenge.solution ||
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// only basejumps require github links
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(completedChallenge.challengeType === 4 && !completedChallenge.githubLink)
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) {
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req.flash(
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'danger',
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"You haven't supplied the necessary URLs for us to inspect your work."
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);
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return res.sendStatus(403);
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}
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return user
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.getCompletedChallenges$()
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.flatMap(() => {
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const { alreadyCompleted, updateData } = buildUserUpdate(
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user,
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completedChallenge.id,
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completedChallenge
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);
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const updatePromise = new Promise((resolve, reject) =>
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user.updateAttributes(updateData, err => {
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if (err) {
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return reject(err);
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}
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return resolve();
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})
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);
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return Observable.fromPromise(updatePromise).doOnNext(() => {
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if (type === 'json') {
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return res.send({
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alreadyCompleted,
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points: alreadyCompleted ? user.points : user.points + 1,
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completedDate: completedChallenge.completedDate
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});
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}
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return res.status(200).send(true);
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});
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})
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.subscribe(() => {}, next);
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}
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function backendChallengeCompleted(req, res, next) {
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const type = accepts(req).type('html', 'json', 'text');
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req.checkBody('id', 'id must be an ObjectId').isMongoId();
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req.checkBody('solution', 'solution must be a URL').isURL();
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const errors = req.validationErrors(true);
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if (errors) {
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if (type === 'json') {
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return res.status(403).send({ errors });
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}
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log('errors', errors);
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return res.sendStatus(403);
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}
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const { user, body = {} } = req;
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const completedChallenge = _.pick(body, ['id', 'solution']);
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completedChallenge.completedDate = Date.now();
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return user
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.getCompletedChallenges$()
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.flatMap(() => {
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const { alreadyCompleted, updateData } = buildUserUpdate(
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user,
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completedChallenge.id,
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completedChallenge
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);
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const updatePromise = new Promise((resolve, reject) =>
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user.updateAttributes(updateData, err => {
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if (err) {
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return reject(err);
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}
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return resolve();
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})
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);
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return Observable.fromPromise(updatePromise).doOnNext(() => {
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if (type === 'json') {
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return res.send({
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alreadyCompleted,
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points: alreadyCompleted ? user.points : user.points + 1,
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completedDate: completedChallenge.completedDate
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});
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}
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return res.status(200).send(true);
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});
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})
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.subscribe(() => {}, next);
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}
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async function redirectToCurrentChallenge(req, res, next) {
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const { user } = req;
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const challengeId = user && user.currentChallengeId;
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log(req.user.username);
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log(challengeId);
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const challengeUrl = await challengeUrlResolver(challengeId).catch(next);
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log(challengeUrl);
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if (challengeUrl === '/learn') {
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// this should normally not be hit if database is properly seeded
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throw new Error(dedent`
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Attempted to find the url for ${challengeId}'
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but came up empty.
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db may not be properly seeded.
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`);
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}
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return res.redirect(`${homeLocation}${challengeUrl}`);
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}
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function redirectToLearn(req, res) {
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const maybeChallenge = _.last(req.path.split('/'));
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if (maybeChallenge in pathMigrations) {
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const redirectPath = pathMigrations[maybeChallenge];
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return res.status(302).redirect(`${learnURL}${redirectPath}`);
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}
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return res.status(302).redirect(learnURL);
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}
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done();
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}
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