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'use strict';
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const Mongo = require(__dirname+'/db.js')
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, cache = require(__dirname+'/../redis.js')
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, db = Mongo.client.db('jschan').collection('boards');
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module.exports = {
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db,
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findOne: async (name) => {
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let board = await cache.get(`board_${name}`);
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if (board && board !== 'no_exist') {
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return board;
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} else {
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board = await db.findOne({ '_id': name });
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if (board) {
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cache.set(`board_${name}`, board);
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if (board.banners.length > 0) {
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cache.sadd(`banners_${name}`, board.banners);
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}
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} else {
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cache.set(`board_${name}`, 'no_exist', 'ex', 3600); //1 hour expiry just so it doesnt grow indefinitely
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}
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}
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return board;
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},
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randomBanner: async (name) => {
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let banner = await cache.srand(`banners_${name}`);
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if (!banner) {
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const board = await module.exports.findOne(name);
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if (board) {
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banner = board.banners[Math.floor(Math.random()*board.banners.length)];
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}
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}
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return banner;
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},
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setOwner: (board, username) => {
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cache.del(`board_${board}`);
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return db.updateOne({
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'_id': board
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}, {
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'$set': {
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'owner': username
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}
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});
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},
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find: () => {
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return db.find({}).toArray();
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},
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insertOne: (data) => {
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cache.del(`board_${data._id}`); //removing cached no_exist
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return db.insertOne(data);
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},
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deleteOne: (board) => {
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cache.del(`board_${board}`);
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cache.del(`banners_${board}`);
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return db.deleteOne({ '_id': board });
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},
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updateOne: (board, update) => {
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cache.del(`board_${board}`);
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return db.updateOne({
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'_id': board
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}, update);
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},
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deleteAll: (board) => {
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return db.deleteMany({});
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},
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removeBanners: (board, filenames) => {
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cache.del(`board_${board}`);
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cache.del(`banners_${board}`);
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return db.updateOne(
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{
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'_id': board,
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}, {
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'$pullAll': {
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'banners': filenames
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}
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}
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);
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},
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addBanners: (board, filenames) => {
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cache.del(`board_${board}`);
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cache.del(`banners_${board}`);
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return db.updateOne(
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{
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'_id': board,
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}, {
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'$push': {
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'banners': {
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'$each': filenames
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}
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}
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}
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);
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},
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boardSort: (skip=0, limit=20) => {
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return db.find({
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'settings.unlisted': {
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'$ne': true
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}
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}, {
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'projection': {
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'_id': 1,
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'sequence_value': 1,
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'pph': 1,
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'ips': 1,
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'settings.description': 1,
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'settings.name': 1,
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}
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}).sort({
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'ips': -1,
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'pph': -1,
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'sequence_value': -1,
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}).skip(skip).limit(limit).toArray();
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},
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totalStats: () => {
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return db.aggregate([
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{
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'$group': {
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'_id': null,
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'posts': {
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'$sum': '$sequence_value'
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},
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'ips': {
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'$sum': '$ips'
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},
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'pph': {
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'$sum': '$pph'
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}
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}
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}
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]).toArray().then(res => res[0]);
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},
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exists: async (req, res, next) => {
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const board = await module.exports.findOne(req.params.board);
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if (!board) {
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return res.status(404).render('404');
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}
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res.locals.board = board;
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next();
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},
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getNextId: async (board, ip) => {
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const increment = await db.findOneAndUpdate(
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{
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'_id': board
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},
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{
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'$inc': {
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'sequence_value': 1
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}
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},
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{
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'projection': {
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'sequence_value': 1
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}
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}
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);
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return increment.value.sequence_value;
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},
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}
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