/** @module root/router */
'use strict';
// vim: set ts=2 sw=2 et tw=80:
const express = require('express');
const router = express.Router();
const mongoose = require('mongoose');
const Favorite = mongoose.model('Favorite');
const fetch = require('node-fetch');
const querystring = require('querystring');
const promiseAny = require('promise-any');
const { error } = require('../utils');
router.get('/', (req, res) => {
Favorite.find({}, (err, favs) => {
if (err) {
return error(err, res);
}
res.render('index.dust', { favs });
});
});
router.get('/imgur', (req, res) => {
if (req.query.access_token) {
req.app.locals.imgur = req.query;
res.redirect('/');
} else {
res.status(200, {'Content-Type': 'text/html'});
res.end(`
`);
}
});
async function fetchImgur(req, res, method, url, body) {
const endpoint = 'https://api.imgur.com/3';
const response = await fetch(endpoint + url, {
method: method,
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization' : 'Bearer ' + req.app.locals.imgur.access_token
},
body: body ? querystring.stringify(body) : undefined
});
const json = await response.json();
if (json.status == 409 && url.match(/follow\/tag/)) {
return {};
}
if (Math.floor(json.status / 100) != 2) {
res.status(json.status).json(json);
return false;
}
return json;
}
async function tryAllImages(req, res) {
const images = await fetchImgur(req, res, 'GET', '/account/me/images');
if (!images) {
return false;
}
console.log('all images list', images.data);
const image = images.data
.filter(e => e.title.match(req.body.oldName) && e.in_gallery)[0];
console.log('all images', image);
if (image) {
return { album: null, image: image };
} else {
res.status(404).json({ error: "No image in gallery found" });
return false;
}
}
router.post('/imgur/ordeal', async (req, res) => {
try {
const ordealResponse = { ordealSuccess: true };
const uploadData = {
image: req.body.dataURL.substring('data:image/png;base64,'.length),
type: 'base64',
title: req.body.name,
name: req.body.name + '.png',
};
const uploadJson = await fetchImgur(req, res, 'POST', '/upload', uploadData);
if (!uploadJson) {
return;
}
const imageId = uploadJson.data.id;
const albumData = {
'ids[]': imageId,
};
let albumJson;
if (!req.body.replace) {
if (req.body.album) {
albumData.title = req.body.album;
}
albumJson = await fetchImgur(req, res, 'POST', '/album', albumData);
if (!albumJson) {
return;
}
console.log(req.body.favorites);
if (req.body.favorites) {
if (!await fetchImgur(req, res, 'POST', '/album/' + albumJson.data.id +
'/favorite', {})) {
return;
}
}
} else {
req.body.album = undefined;
const albums = await fetchImgur(req, res, 'GET', '/account/me/albums');
if (!albums) {
return;
}
console.log('albums', albums.data.length);
let result;
if (albums.data.length == 0) {
result = await tryAllImages(req, res);
if (!result) {
return;
}
} else {
let reject = false;
const promises = [];
for (const album of albums.data) {
promises.push(new Promise(async (res, rej) => {
if (reject) {
return reject;
}
const images = await fetchImgur(req, res, 'GET', '/album/' +
album.id + '/images');
if (!images || reject) {
rej();
return;
}
const image =
images.data
.filter(e => e.title.match(req.body.oldName))[0];
console.log('image', image);
if (!image || reject) {
rej();
return;
}
reject = true;
res({ album: album, image: image });
}));
}
try {
result = await promiseAny(promises);
} catch(_) {
result = await tryAllImages(req, res);
if (!result) {
return
}
}
}
console.log('result', result);
albumJson = { data: result.album };
ordealResponse.views = result.image.views;
if (result.image.in_gallery) {
ordealResponse.votes = await fetchImgur(req, res, 'GET', '/gallery/'
+ result.image.id + '/votes');
} else if (result.album.in_gallery) {
ordealResponse.votes = await fetchImgur(req, res, 'GET', '/gallery/'
+ result.album.id + '/votes');
} else {
ordealResponse.votes = { ups: 'not avaliable', downs: 'not avaliable' };
}
if (!ordealResponse.votes) {
return;
} else {
ordealResponse.votes = ordealResponse.votes.data;
}
console.log('votes', ordealResponse.votes);
if (!await fetchImgur(req, res, 'DELETE', '/image/' + result.image.id)) {
return;
}
if (result.album && !await fetchImgur(req, res, 'PUT', '/album/' +
result.album.id + '/add', { 'ids[]': uploadJson.data.id })) {
return;
}
}
if (!await fetchImgur(req, res, 'POST', '/gallery/image/' +
uploadJson.data.id, { title: req.body.name, tags: req.body.tags })) {
return;
}
if (req.body.tags) {
const tagsData = {
'tags': req.body.tags
};
if (!await fetchImgur(req, res, 'POST', '/gallery/tags/' +
uploadJson.data.id, tagsData)) {
return;
}
for (const tag of req.body.tags.split(',')) {
if (!await fetchImgur(req, res, 'POST', '/account/me/follow/tag/' + tag,
{})) {
return;
}
}
}
res.json(ordealResponse);
} catch(e) {
console.error(e);
res.status(500).json(e);
}
});
/** router for /root */
module.exports = router;