mirror of
https://github.com/anatolykopyl/vk-bingo.git
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🎨 Backend eslint compliant
This commit is contained in:
231
backend/index.js
231
backend/index.js
@@ -1,23 +1,25 @@
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const express = require('express')
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const session = require('express-session')
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const app = express()
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const { MongoClient, ObjectId } = require('mongodb')
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const MongoStore = require('connect-mongo')
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const cors = require('cors')
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require('dotenv').config()
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const express = require('express');
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const session = require('express-session');
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const app = express();
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const { MongoClient, ObjectId } = require('mongodb');
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const MongoStore = require('connect-mongo');
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const cors = require('cors');
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require('dotenv').config();
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app.use(cors({
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origin: [
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process.env.FRONTEND,
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],
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credentials: true,
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exposedHeaders: ['set-cookie']
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}))
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app.use(express.json())
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app.use(express.urlencoded({ extended: true }))
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exposedHeaders: ['set-cookie'],
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}));
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app.use(express.json());
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app.use(express.urlencoded({ extended: true }));
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const names = require('./names.json')
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const client = new MongoClient(process.env.URI, { useUnifiedTopology: true })
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const names = require('./names.json');
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const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
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app.use(session({
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secret: process.env.SECRET,
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@@ -25,195 +27,194 @@ app.use(session({
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saveUninitialized: true,
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store: MongoStore.create({
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client,
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dbName: process.env.DB_NAME
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dbName: process.env.DB_NAME,
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}),
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cookie: {
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secure: false,
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maxAge: 1000 * 60 * 60 * 24
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}
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}))
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maxAge: 1000 * 60 * 60 * 24,
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},
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}));
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client.connect()
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const cardsCollection = client.db(process.env.DB_NAME).collection('cards')
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const answersCollection = client.db(process.env.DB_NAME).collection('answers')
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client.connect();
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const cardsCollection = client.db(process.env.DB_NAME).collection('cards');
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const answersCollection = client.db(process.env.DB_NAME).collection('answers');
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// Выравнивание вероятности
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let dropProb = {} // Объект хранящий вероятности с которой карта каждого участника отбрасывается
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const dropProb = {}; // Объект хранящий вероятности с которой карта каждого участника отбрасывается
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cardsCollection.aggregate([
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{
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'$group': {
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'_id': '$name',
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'count': {
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'$sum': 1
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}
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}
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}
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$group: {
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_id: '$name',
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count: {
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$sum: 1,
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},
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},
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},
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]).toArray().then((memeCount) => {
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cardsCollection.countDocuments().then((totalCount) => {
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let quota, quotaTimes
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let quotaTimes;
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quota = totalCount/memeCount.length // Квота мемов на человека
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console.log(totalCount + " мемов всего. Квота: " + quota)
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const quota = totalCount / memeCount.length; // Квота мемов на человека
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console.log(`${totalCount} мемов всего. Квота: ${quota}`);
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function activeUsers() {
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let activeUsers = 0
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let count = 0;
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memeCount.forEach((person) => {
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if (person.count > quota/10)
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activeUsers++
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})
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return activeUsers
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if (person.count > quota / 10) { count += 1; }
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});
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return count;
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}
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memeCount.forEach((person) => {
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// Во сколько раз превышена квота:
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// (колич. астивных человек в конфе * колич. мемов данного человека / мемов всего)
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quotaTimes = activeUsers()*person.count/totalCount
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quotaTimes = activeUsers() * (person.count / totalCount);
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if (quotaTimes > 1) {
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dropProb[person._id] = 1 - (1/quotaTimes)
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dropProb[person._id] = 1 - (1 / quotaTimes);
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} else {
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dropProb[person._id] = 0
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dropProb[person._id] = 0;
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}
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console.log(person._id + " ["+person.count+"]: " + dropProb[person._id])
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})
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})
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})
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console.log(`${person._id} [${person.count}]: ${dropProb[person._id]}`);
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});
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});
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});
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app.post('/api/auth', async (req, res) => {
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if (req.session.loggedIn) {
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res.status(200).send("Logged in")
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res.status(200).send('Logged in');
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} else {
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try {
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const pass = req.body.pass
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const { pass } = req.body;
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if (pass && pass.toLowerCase() === process.env.PASSWORD) {
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req.session.loggedIn = true
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res.status(200).send("Logged in")
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req.session.loggedIn = true;
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res.status(200).send('Logged in');
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} else {
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res.status(401).send("Wrong password")
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res.status(401).send('Wrong password');
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}
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} catch (e) {
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console.log("Error: " + e)
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res.status(500).send()
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console.log(`Error: ${e}`);
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res.status(500).send();
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}
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}
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})
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});
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app.get('/api/card', async (req, res) => {
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async function drawCard() {
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let card
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let card;
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// Тянем карты и отбрасываем их в соответствии с их вероятностью отбрасывания
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do {
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/* eslint-disable no-await-in-loop */
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card = await cardsCollection.aggregate([
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{
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$sample: { size: 1 }
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$sample: { size: 1 },
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}, {
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$unset: [ 'name', 'link', 'date' ]
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}
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]).toArray()
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card = card[0]
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} while (Math.random() < dropProb[card.name])
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return card
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$unset: ['name', 'link', 'date'],
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},
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]).toArray();
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/* eslint-enable no-await-in-loop */
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[card] = card;
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} while (Math.random() < dropProb[card.name]);
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return card;
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}
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if (req.session.loggedIn) {
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res.status(200).send(await drawCard())
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res.status(200).send(await drawCard());
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} else {
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res.status(403).send()
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res.status(403).send();
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}
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})
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});
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app.get('/api/meme', async (req, res) => {
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const amount = Number(req.query.amount) || 1
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const amount = Number(req.query.amount) || 1;
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try {
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let cards = await cardsCollection.aggregate([{ $sample: { size: amount } }]).toArray()
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let cards = await cardsCollection.aggregate([{ $sample: { size: amount } }]).toArray();
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// Удаляем конфиденциальную информацию
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cards = cards.map((card) => {
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return card.image
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})
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res.status(200).send(cards)
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cards = cards.map((card) => card.image);
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res.status(200).send(cards);
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} catch (e) {
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console.log("Error: " + e)
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res.status(500).send()
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console.log(`Error: ${e}`);
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res.status(500).send();
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}
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})
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});
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app.post('/api/answer', async (req, res) => {
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if (req.session.loggedIn) {
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if (req.body.data.id && req.body.data.name) {
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const card = await cardsCollection.findOne({ _id: ObjectId(req.body.data.id) })
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const card = await cardsCollection.findOne({ _id: ObjectId(req.body.data.id) });
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if (card) {
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const correct = card.name === req.body.data.name
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const correct = card.name === req.body.data.name;
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if (correct) {
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req.session.right++
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req.session.right += 1;
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} else {
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req.session.wrong++
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req.session.wrong += 1;
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}
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answersCollection.insertOne({
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correct,
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selected: req.body.data.name
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})
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selected: req.body.data.name,
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});
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res.status(200).send({
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correct,
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card
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})
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card,
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});
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} else {
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res.status(500).send()
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res.status(500).send();
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}
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} else {
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res.status(400).send()
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res.status(400).send();
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}
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} else {
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res.status(403).send()
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res.status(403).send();
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}
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})
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});
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app.get('/api/score', (req, res) => {
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if (req.session.loggedIn) {
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req.session.right = req.session.right || 0
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req.session.wrong = req.session.wrong || 0
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req.session.right = req.session.right || 0;
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req.session.wrong = req.session.wrong || 0;
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const scoreObj = {
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"right": req.session.right,
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"wrong": req.session.wrong
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}
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res.status(200).send(scoreObj)
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right: req.session.right,
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wrong: req.session.wrong,
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};
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res.status(200).send(scoreObj);
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} else {
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res.status(403).send()
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res.status(403).send();
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}
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})
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});
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app.get('/api/stats', async (req, res) => {
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if (req.session.loggedIn) {
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answersCollection.aggregate([
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{
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'$group': {
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'_id': '$selected',
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'correct': {
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'$sum': {
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'$cond': [
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'$correct', 1, 0
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]
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}
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$group: {
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_id: '$selected',
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correct: {
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$sum: {
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$cond: [
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'$correct', 1, 0,
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],
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},
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},
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'wrong': {
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'$sum': {
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'$cond': [
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'$correct', 0, 1
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]
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}
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}
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}
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}
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]).toArray().then(stats => res.status(200).send(stats))
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wrong: {
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$sum: {
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$cond: [
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'$correct', 0, 1,
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],
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},
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},
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},
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},
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]).toArray().then((stats) => res.status(200).send(stats));
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} else {
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res.status(403).send()
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res.status(403).send();
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}
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})
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});
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app.get('/api/options', async (req, res) => {
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if (req.session.loggedIn) {
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res.status(200).send(names)
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res.status(200).send(names);
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} else {
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res.status(403).send()
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res.status(403).send();
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}
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})
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});
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app.listen(process.env.PORT, () => console.log('Server started on ' + process.env.PORT));
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app.listen(process.env.PORT, () => console.log(`Server started on ${process.env.PORT}`));
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2938
backend/package-lock.json
generated
2938
backend/package-lock.json
generated
File diff suppressed because it is too large
Load Diff
@@ -9,6 +9,8 @@
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"author": "Anatoly Kopyl",
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"license": "ISC",
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"devDependencies": {
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"eslint": "^8.6.0",
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"eslint-config-airbnb-base": "^15.0.0",
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"nodemon": "^2.0.7"
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},
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"dependencies": {
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@@ -20,5 +22,16 @@
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"express": "^4.17.1",
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"express-session": "^1.17.1",
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"mongodb": "^3.6.5"
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},
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"eslintConfig": {
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"extends": "airbnb-base",
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"rules": {
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"no-underscore-dangle": [
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"off"
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],
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"no-console": [
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"off"
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]
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}
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}
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}
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