HW7: preparing for 1st submission
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@ -48,6 +48,7 @@ app.use('/', routers.root);
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app.use('/favorites', routers.favourites_db_asaw);
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app.use('/bookmarked', routers.bookmarked);
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app.use('/test/fetch', routers.fetch_tests);
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app.use('/imgur', routers.imgur);
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app.set('port', process.env.PORT || 3000);
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const server = app.listen(app.get('port'), function() {
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@ -89,6 +90,8 @@ eventBus.on('favorite.deleted', (event) => {
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io.emit('favorite.deleted', event);
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});
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// Imgur auth url open code
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const { exec } = require('child_process');
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const client = '3710c666dbec94e';
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const imgURL = `https://api.imgur.com/oauth2/authorize?client_id=${client}` +
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@ -0,0 +1,6 @@
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# Bonuses implemented
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- Task 3 bookmarked code
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- Task 6
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- Task 7
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- Access token fetching from authorization url
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@ -0,0 +1,274 @@
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/** @module root/router */
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'use strict';
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// vim: set ts=2 sw=2 et tw=80:
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const express = require('express');
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const router = express.Router();
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const mongoose = require('mongoose');
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const Favorite = mongoose.model('Favorite');
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const fetch = require('node-fetch');
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const querystring = require('querystring');
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const promiseAny = require('promise-any');
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const eventBus = require('../../pubsub');
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const fetch64 = require('fetch-base64');
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router.get('/', (req, res) => {
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if (req.query.access_token) {
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req.app.locals.imgur = req.query;
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res.redirect('/');
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} else {
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res.status(200, {'Content-Type': 'text/html'});
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res.end(`<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>
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<script>
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console.log(window.location.href);
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if (window.location.href.indexOf("#access") != -1) {
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window.location.href = window.location.href.replace("#access",
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"?access");
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}
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</script></body></html>`);
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}
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});
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async function fetchImgur(req, res, method, url, body) {
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const endpoint = 'https://api.imgur.com/3';
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const response = await fetch(endpoint + url, {
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method: method,
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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'Authorization' : 'Bearer ' + req.app.locals.imgur.access_token
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},
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body: body ? querystring.stringify(body) : undefined
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});
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const json = await response.json();
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if (json.status == 409 && url.match(/follow\/tag/)) {
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return {};
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}
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if (Math.floor(json.status / 100) != 2) {
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res.status(json.status).json(json);
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return false;
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}
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return json;
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}
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router.post('/ordeal', async (req, res) => {
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try {
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if ((!req.body.replace && (!req.body.name || !req.body.album)) ||
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(req.body.replace && (!req.body.name || !req.body.oldName))) {
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res.status(400).json({ error: "Malformed ordeal request" });
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return;
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}
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const ordealResponse = { ordealSuccess: true };
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const uploadData = {
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image: req.body.dataURL.substring('data:image/png;base64,'.length),
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type: 'base64',
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title: req.body.name,
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name: req.body.name + '.png',
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};
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const uploadJson = await fetchImgur(req, res, 'POST', '/upload', uploadData);
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if (!uploadJson) {
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return;
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}
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const imageId = uploadJson.data.id;
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const albumData = {
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'ids[]': imageId,
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};
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if (!req.body.replace) {
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if (req.body.album) {
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albumData.title = req.body.album;
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}
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const albumJson = await fetchImgur(req, res, 'POST', '/album', albumData);
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if (!albumJson) {
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return;
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}
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if (req.body.favorites) {
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if (!await fetchImgur(req, res, 'POST', '/album/' + albumJson.data.id +
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'/favorite', {})) {
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return;
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}
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}
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} else {
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req.body.album = undefined;
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const submissions = await fetchImgur(req, res, 'GET',
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'/account/me/submissions');
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if (!submissions) {
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return;
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}
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const submission = submissions.data
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.filter(e => !e.images && e.in_gallery &&
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e.title == req.body.oldName)[0];
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if (!submission) {
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res.status(404).json({ error: "No image in submissions found" });
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return;
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}
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console.log('submission', submission.id, submission.title);
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const result = {};
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result.image = submission;
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ordealResponse.views = submission.views;
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ordealResponse.votes = {};
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ordealResponse.votes.ups = submission.ups;
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ordealResponse.votes.downs = submission.downs;
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const albumIds = await fetchImgur(req, res, 'GET',
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'/account/me/albums/ids');
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if (!albumIds) {
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return;
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}
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console.log('albumIds', albumIds.data.join(','));
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let reject = false;
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const promises = [];
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for (const albumId of albumIds.data) {
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promises.push(new Promise(async (res, rej) => {
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if (reject) {
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return reject;
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}
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const images = await fetchImgur(req, res, 'GET', '/album/' +
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albumId + '/images');
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if (!images || reject) {
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rej();
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return;
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}
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console.log('album', albumId, 'images', images.data.map(e => e.id));
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const image = images.data.filter(e => e.id == result.image.id)[0];
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if (!image || reject) {
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rej();
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return;
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}
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reject = true;
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console.log('the album', albumId, 'image', image.id);
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res(albumId);
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}));
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}
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try {
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result.albumId = await promiseAny(promises);
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} catch(_) {
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res.status(400).json({ error: "Image not found in any album" });
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return;
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}
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if (!await fetchImgur(req, res, 'DELETE', '/image/' + result.image.id)) {
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return;
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}
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if (!await fetchImgur(req, res, 'PUT', '/album/' +
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result.albumId + '/add', { 'ids[]': uploadJson.data.id })) {
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return;
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}
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}
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if (!await fetchImgur(req, res, 'POST', '/gallery/image/' +
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uploadJson.data.id, { title: req.body.name, tags: req.body.tags })) {
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return;
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}
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if (req.body.tags) {
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const tagsData = {
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'tags': req.body.tags
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};
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if (!await fetchImgur(req, res, 'POST', '/gallery/tags/' +
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uploadJson.data.id, tagsData)) {
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return;
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}
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for (const tag of req.body.tags.split(',')) {
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if (!await fetchImgur(req, res, 'POST', '/account/me/follow/tag/' + tag,
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{})) {
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return;
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}
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}
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}
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res.json(ordealResponse);
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} catch(e) {
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console.error(e);
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res.status(500).json({ error: e.toString() });
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}
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});
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router.post('/search', async (req, res) => {
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try {
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if (!req.body.name) {
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res.status(400).json({ error: 'Bad parameters for /imgur/search' });
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return;
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}
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const results = await fetchImgur(req, res, 'GET',
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'/gallery/search/time/top/1?q=' +
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encodeURIComponent(req.body.name) + '&q_type=png');
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if (!results) {
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return;
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}
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if (results.data.length == 0) {
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res.status(404).json({ error: 'No image found' });
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return;
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}
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let image = results.data[0];
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if (image.is_album) {
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image = image.images[0];
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}
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if (!await fetchImgur(req, res, 'POST', '/gallery/' + results.data[0].id +
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'/vote/up', {})) {
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return;
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}
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if (!await fetchImgur(req, res, 'POST', '/image/' + image.id + '/favorite',
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{})) {
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return;
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}
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const fetch64res = await fetch64.remote(image.link);
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const fav = {
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_id: mongoose.Types.ObjectId(),
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name: req.body.name,
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dataURL: fetch64res[1],
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bookmarked: false,
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};
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await new Favorite(fav).save();
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eventBus.emit('favorite.created', fav);
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res.json({ success: true });
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} catch(e) {
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console.error(e);
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res.status(500).json({ error: e.toString() });
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}
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});
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/** router for /root */
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module.exports = router;
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@ -24,261 +24,5 @@ router.get('/', (req, res) => {
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});
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});
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router.get('/imgur', (req, res) => {
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if (req.query.access_token) {
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req.app.locals.imgur = req.query;
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res.redirect('/');
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} else {
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res.status(200, {'Content-Type': 'text/html'});
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res.end(`<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>
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<script>
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console.log(window.location.href);
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if (window.location.href.indexOf("#access") != -1) {
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window.location.href = window.location.href.replace("#access",
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"?access");
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}
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</script></body></html>`);
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}
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});
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async function fetchImgur(req, res, method, url, body) {
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const endpoint = 'https://api.imgur.com/3';
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const response = await fetch(endpoint + url, {
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method: method,
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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'Authorization' : 'Bearer ' + req.app.locals.imgur.access_token
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},
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body: body ? querystring.stringify(body) : undefined
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});
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const json = await response.json();
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if (json.status == 409 && url.match(/follow\/tag/)) {
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return {};
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}
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if (Math.floor(json.status / 100) != 2) {
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res.status(json.status).json(json);
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return false;
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}
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return json;
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}
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router.post('/imgur/ordeal', async (req, res) => {
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try {
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if ((!req.body.replace && (!req.body.name || !req.body.album)) ||
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(req.body.replace && (!req.body.name || !req.body.oldName))) {
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res.status(400).json({ error: "Malformed ordeal request" });
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return;
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}
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const ordealResponse = { ordealSuccess: true };
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const uploadData = {
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image: req.body.dataURL.substring('data:image/png;base64,'.length),
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type: 'base64',
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title: req.body.name,
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name: req.body.name + '.png',
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};
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const uploadJson = await fetchImgur(req, res, 'POST', '/upload', uploadData);
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if (!uploadJson) {
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return;
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}
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const imageId = uploadJson.data.id;
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const albumData = {
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'ids[]': imageId,
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};
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if (!req.body.replace) {
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if (req.body.album) {
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albumData.title = req.body.album;
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}
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const albumJson = await fetchImgur(req, res, 'POST', '/album', albumData);
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if (!albumJson) {
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return;
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}
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if (req.body.favorites) {
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if (!await fetchImgur(req, res, 'POST', '/album/' + albumJson.data.id +
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'/favorite', {})) {
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return;
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}
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}
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} else {
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req.body.album = undefined;
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const submissions = await fetchImgur(req, res, 'GET',
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'/account/me/submissions');
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if (!submissions) {
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return;
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}
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const submission = submissions.data
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.filter(e => !e.images && e.in_gallery &&
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e.title == req.body.oldName)[0];
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if (!submission) {
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res.status(404).json({ error: "No image in submissions found" });
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return;
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}
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console.log('submission', submission.id, submission.title);
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const result = {};
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result.image = submission;
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ordealResponse.views = submission.views;
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ordealResponse.votes = {};
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ordealResponse.votes.ups = submission.ups;
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ordealResponse.votes.downs = submission.downs;
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const albumIds = await fetchImgur(req, res, 'GET',
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'/account/me/albums/ids');
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if (!albumIds) {
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return;
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}
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console.log('albumIds', albumIds.data.join(','));
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let reject = false;
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const promises = [];
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for (const albumId of albumIds.data) {
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promises.push(new Promise(async (res, rej) => {
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if (reject) {
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return reject;
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}
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const images = await fetchImgur(req, res, 'GET', '/album/' +
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albumId + '/images');
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if (!images || reject) {
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rej();
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return;
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}
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console.log('album', albumId, 'images', images.data.map(e => e.id));
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const image = images.data.filter(e => e.id == result.image.id)[0];
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if (!image || reject) {
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rej();
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return;
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}
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reject = true;
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console.log('the album', albumId, 'image', image.id);
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res(albumId);
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}));
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}
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try {
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result.albumId = await promiseAny(promises);
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} catch(_) {
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res.status(400).json({ error: "Image not found in any album" });
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return;
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}
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if (!await fetchImgur(req, res, 'DELETE', '/image/' + result.image.id)) {
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return;
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}
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if (!await fetchImgur(req, res, 'PUT', '/album/' +
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result.albumId + '/add', { 'ids[]': uploadJson.data.id })) {
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return;
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}
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}
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if (!await fetchImgur(req, res, 'POST', '/gallery/image/' +
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uploadJson.data.id, { title: req.body.name, tags: req.body.tags })) {
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return;
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}
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if (req.body.tags) {
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const tagsData = {
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'tags': req.body.tags
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};
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if (!await fetchImgur(req, res, 'POST', '/gallery/tags/' +
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uploadJson.data.id, tagsData)) {
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return;
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}
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for (const tag of req.body.tags.split(',')) {
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if (!await fetchImgur(req, res, 'POST', '/account/me/follow/tag/' + tag,
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{})) {
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return;
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}
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}
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}
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res.json(ordealResponse);
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} catch(e) {
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console.error(e);
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res.status(500).json({ error: e.toString() });
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}
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});
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router.post('/imgur/search', async (req, res) => {
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try {
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if (!req.body.name) {
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res.status(400).json({ error: 'Bad parameters for /imgur/search' });
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return;
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}
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const results = await fetchImgur(req, res, 'GET', '/gallery/search/time/top/1?q=' +
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encodeURIComponent(req.body.name) + '&q_type=png');
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if (!results) {
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return;
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}
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if (results.data.length == 0) {
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res.status(404).json({ error: 'No image found' });
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return;
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}
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let image = results.data[0];
|
||||
if (image.is_album) {
|
||||
image = image.images[0];
|
||||
}
|
||||
|
||||
if (!await fetchImgur(req, res, 'POST', '/gallery/' + results.data[0].id +
|
||||
'/vote/up', {})) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!await fetchImgur(req, res, 'POST', '/image/' + image.id + '/favorite',
|
||||
{})) {
|
||||
return;
|
||||
}
|
||||
|
||||
const fetch64res = await fetch64.remote(image.link);
|
||||
|
||||
const fav = {
|
||||
_id: mongoose.Types.ObjectId(),
|
||||
name: req.body.name,
|
||||
dataURL: fetch64res[1],
|
||||
bookmarked: false,
|
||||
};
|
||||
|
||||
await new Favorite(fav).save();
|
||||
eventBus.emit('favorite.created', fav);
|
||||
|
||||
res.json({ success: true });
|
||||
} catch(e) {
|
||||
console.error(e);
|
||||
res.status(500).json({ error: e.toString() });
|
||||
}
|
||||
});
|
||||
|
||||
/** router for /root */
|
||||
module.exports = router;
|
||||
|
|
|
|||
Reference in New Issue