Redesign and fix dupe events

backend/index.js

@@ -1,24 +1,28 @@
-const express = require('express');
+import express from 'express';
-const session = require('express-session');
+import session from 'express-session';
+import mongodb from 'mongodb';
+import MongoStore from 'connect-mongo';
+import cors from 'cors';
+import crypto from 'crypto'
+import { createNanoEvents } from 'nanoevents';
+
+import "dotenv/config";
+
+import names from './names.json' assert { type: "json" };
 
 const app = express();
-const { MongoClient, ObjectId } = require('mongodb');
+
-const MongoStore = require('connect-mongo');
+const emitter = createNanoEvents();
-const cors = require('cors');
+const { MongoClient, ObjectId } = mongodb;
-require('dotenv').config();
 
 app.use(cors({
-  origin: [
+  origin: process.env.FRONTEND,
-    process.env.FRONTEND,
-  ],
   credentials: true,
   exposedHeaders: ['set-cookie'],
 }));
 app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
 
-const names = require('./names.json');
-
 const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
 
 (async () => {
@@ -81,49 +85,55 @@ const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
     });
   });
 
+  async function drawCard() {
+    let card;
+    // Тянем карты и отбрасываем их в соответствии с их вероятностью отбрасывания
+    do {
+      /* eslint-disable no-await-in-loop */
+      card = await cardsCollection.aggregate([
+        {
+          $sample: { size: 1 },
+        }, {
+          $unset: ['link', 'date'],
+        },
+      ]).toArray();
+      /* eslint-enable no-await-in-loop */
+      [card] = card;
+    } while (Math.random() < dropProb[card.name]);
+    return card;
+  }
+
+  let players = {}
+  let score = {}
+  let card = await drawCard()
+  let oldCard = null;
+  let answers = 0
+
   app.post('/api/auth', async (req, res) => {
-    if (req.session.loggedIn) {
+    const { pass, username } = req.body;
-      res.status(200).send('Logged in');
+
+    if (username && !Object.keys(players).includes(username)) {
+      players[username] = null;
+      emitter.emit('connection', Object.keys(players))
+    }
+
+    if (pass && pass.toLowerCase() === process.env.PASSWORD) {
+      req.session.loggedIn = true;
+      return res.status(200).send('Logged in');
     } else {
-      try {
+      return res.status(401).send('Wrong password');
-        const { pass } = req.body;
-        if (pass && pass.toLowerCase() === process.env.PASSWORD) {
-          req.session.loggedIn = true;
-          res.status(200).send('Logged in');
-        } else {
-          res.status(401).send('Wrong password');
-        }
-      } catch (e) {
-        console.log(`Error: ${e}`);
-        res.status(500).send();
-      }
     }
   });
 
   app.get('/api/card', async (req, res) => {
-    async function drawCard() {
+    if (!req.session.loggedIn) {
-      let card;
+      return res.status(403).send();
-      // Тянем карты и отбрасываем их в соответствии с их вероятностью отбрасывания
-      do {
-        /* eslint-disable no-await-in-loop */
-        card = await cardsCollection.aggregate([
-          {
-            $sample: { size: 1 },
-          }, {
-            $unset: ['name', 'link', 'date'],
-          },
-        ]).toArray();
-        /* eslint-enable no-await-in-loop */
-        [card] = card;
-      } while (Math.random() < dropProb[card.name]);
-      return card;
     }
 
-    if (req.session.loggedIn) {
+    return res.status(200).send({
-      res.status(200).send(await drawCard());
+      ...card,
-    } else {
+      name: undefined
-      res.status(403).send();
+    });
-    }
   });
 
   app.get('/api/meme', async (req, res) => {
@@ -140,33 +150,41 @@ const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
   });
 
   app.post('/api/answer', async (req, res) => {
-    if (req.session.loggedIn) {
+    if (!req.session.loggedIn) {
-      if (req.body.data.id && req.body.data.name) {
+      return res.status(403).send();
-        const card = await cardsCollection.findOne({ _id: ObjectId(req.body.data.id) });
-        if (card) {
-          const correct = card.name === req.body.data.name;
-          if (correct) {
-            req.session.right += 1;
-          } else {
-            req.session.wrong += 1;
-          }
-          answersCollection.insertOne({
-            correct,
-            selected: req.body.data.name,
-          });
-          res.status(200).send({
-            correct,
-            card,
-          });
-        } else {
-          res.status(500).send();
-        }
-      } else {
-        res.status(400).send();
-      }
-    } else {
-      res.status(403).send();
     }
+
+    if (!req.body.data.id || !req.body.data.name || !req.body.data.username) {
+      return res.status(400).send();
+    }
+
+    const card = await cardsCollection.findOne({ _id: ObjectId(req.body.data.id) });
+    if (!card) {
+      return res.status(500).send();
+    }
+
+    const correct = card.name === req.body.data.name;
+    if (correct) {
+      req.session.right += 1;
+    } else {
+      req.session.wrong += 1;
+    }
+    answersCollection.insertOne({
+      correct,
+      selected: req.body.data.name,
+    });
+
+    players[req.body.data.username] = req.body.data.name;
+    emitter.emit('answer', {
+      username: req.body.data.username,
+      selected: req.body.data.name
+    });
+
+    // return res.status(200).send({
+    //   correct,
+    //   card,
+    // });
+    return res.status(200).send()
   });
 
   app.get('/api/score', (req, res) => {
@@ -184,31 +202,33 @@ const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
   });
 
   app.get('/api/stats', async (req, res) => {
-    if (req.session.loggedIn) {
+    if (!req.session.loggedIn) {
-      answersCollection.aggregate([
+      return res.status(403).send();
-        {
+    }
-          $group: {
+
-            _id: '$selected',
+    const stats = await answersCollection.aggregate([
-            correct: {
+      {
-              $sum: {
+        $group: {
-                $cond: [
+          _id: '$selected',
-                  '$correct', 1, 0,
+          correct: {
-                ],
+            $sum: {
-              },
+              $cond: [
+                '$correct', 1, 0,
+              ],
             },
-            wrong: {
+          },
-              $sum: {
+          wrong: {
-                $cond: [
+            $sum: {
-                  '$correct', 0, 1,
+              $cond: [
-                ],
+                '$correct', 0, 1,
-              },
+              ],
             },
           },
         },
-      ]).toArray().then((stats) => res.status(200).send(stats));
+      },
-    } else {
+    ]).toArray();
-      res.status(403).send();
+
-    }
+    return res.status(200).send(stats);
   });
 
   app.get('/api/options', async (req, res) => {
@@ -219,5 +239,82 @@ const client = new MongoClient(process.env.URI, { useUnifiedTopology: true });
     }
   });
 
+  app.get('/api/players', async (req, res) => {
+    if (!req.session.loggedIn) {
+      return res.status(403).send();
+    }
+
+    return res.status(200).send(Object.keys(players));
+  })
+
+  app.post('/api/end', async (req, res) => {
+    if (!req.session.loggedIn) {
+      return res.status(403).send();
+    }
+
+    players = {}
+    return res.status(200).send();
+  });
+
+  app.get('/api/stream', async (req, res) => {
+    const id = crypto.randomUUID()
+
+    res.set({
+      'Access-Control-Allow-Origin': '*',
+      'Cache-Control': 'no-cache',
+      Connection: 'keep-alive',
+      'Content-Type': 'text/event-stream',
+    });
+    res.flushHeaders();
+
+    emitter.on('connection', (players) => {
+      const data = players
+      res.write(`data: ${JSON.stringify(data)}\nevent: userlist\n\n`);
+    })
+
+    emitter.on('answer', async ({
+      username, selected
+    }) => {
+      const data = { 
+        username,
+        players,
+        selected
+      }
+
+      res.write(`data: ${JSON.stringify(data)}\nevent: answer\n\n`);
+
+      answers += 1
+
+      if (answers === Object.keys(players).length) {
+        Object.keys(players).forEach((key) => {
+          if (card.name === players[key]) {
+            score[key] = (score[key] ?? 0) + 1
+          }
+        })
+
+        Object.keys(players).forEach((key) => {
+          players[key] = null
+        })
+        answers = 0
+        oldCard = { ...card }
+        card = await drawCard()
+        
+        emitter.emit(`allDone-${id}`);
+      }
+    });
+
+    const unbindAllDone = emitter.on(`allDone-${id}`, () => {
+      const data = {
+        correctAnswer: oldCard.name,
+        score
+      }
+      res.write(`data: ${JSON.stringify(data)}\nevent: reveal\n\n`);
+    });
+
+    res.on('close', () => {
+      res.end();
+    });
+  });
+
   app.listen(process.env.PORT, () => console.log(`Server started on ${process.env.PORT}`));
 })();

backend/package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "dev": "nodemon index.js"
   },
@@ -19,7 +20,8 @@
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "express-session": "^1.17.1",
-    "mongodb": "^3.6.5"
+    "mongodb": "^3.6.5",
+    "nanoevents": "^7.0.1"
   },
   "eslintConfig": {
     "extends": "airbnb-base",

frontend/index.html

@@ -7,13 +7,14 @@
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <link rel="icon" href="<%= BASE_URL %>favicon.ico">
+    <link rel="icon" href="favicon.ico">
-    <link rel="manifest" href="<%= BASE_URL %>manifest.json">
+    <link rel="manifest" href="manifest.json">
-    <title><%= htmlWebpackPlugin.options.title %></title>
+    <title>Флекспатруль мультиплеер</title>
+    <script type="module" src="/src/main.js"></script>
   </head>
   <body>
     <noscript>
-      <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
+      <strong>We're sorry but Флекспатруль мультиплеер doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
     </noscript>
     <div id="app"></div>
     <!-- built files will be auto injected -->

frontend/package.json

@@ -4,33 +4,34 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "serve": "vue-cli-service serve",
+    "dev": "vite dev",
-    "build": "vue-cli-service build",
+    "build": "vite build"
-    "lint": "vue-cli-service lint"
   },
   "dependencies": {
     "axios": "^0.21.1",
-    "core-js": "^3.6.5",
+    "pinia": "^2.1.4",
-    "vue": "^3.0.0",
+    "pinia-plugin-persistedstate": "^3.1.0",
+    "vue": "^3.3.4",
+    "vue-peel": "^0.1.1",
+    "vue-router": "4",
     "vue-spinner": "^1.0.4"
   },
   "devDependencies": {
-    "@vue/cli-plugin-babel": "~4.5.0",
+    "@vitejs/plugin-vue": "^4.2.3",
-    "@vue/cli-plugin-eslint": "~4.5.0",
-    "@vue/cli-service": "~4.5.0",
-    "@vue/compiler-sfc": "^3.0.0",
-    "babel-eslint": "^10.1.0",
     "dotenv-webpack": "^7.0.2",
-    "eslint": "^6.7.2",
+    "eslint": "8",
-    "eslint-plugin-vue": "^7.0.0"
+    "eslint-plugin-vue": "8",
+    "sass": "^1.63.4",
+    "vite": "^4.3.9"
   },
   "eslintConfig": {
     "root": true,
     "env": {
-      "node": true
+      "node": true,
+      "es2022": true
     },
     "extends": [
-      "plugin:vue/vue3-essential",
+      "plugin:vue/vue3-recommended",
       "eslint:recommended"
     ],
     "parserOptions": {

frontend/src/App.vue

@@ -1,88 +1,52 @@
 <template>
-  <h1>🎱 Флекспатрульное Бинго 🎱</h1>
+  <router-view />
-  <Login id="login" @loggedIn="login" v-show="!loggedIn" />
-  <Game id="game" v-if="loggedIn" :score="score" />
-  <a class="source" href="https://github.com/anatolykopyl/vk-bingo">Исходный код</a>
 </template>
 
-<script>
+<script setup>
-import axios from 'axios'
-import Login from './components/Login.vue'
-import Game from './components/Game.vue'
 
-export default {
-  name: 'App',
-  components: {
-    Login,
-    Game
-  },
-  data() {
-    return {
-      loggedIn: null,
-      score: {
-        "right": 0, 
-        "wrong": 0
-      }
-    }
-  },
-  methods: {
-    login: function(success) {
-      this.loggedIn = success
-      axios
-        .get(process.env.VUE_APP_BACKEND + '/score')
-        .then(response => {
-          if (Object.keys(response.data).length !== 0)
-            this.score = response.data
-        })
-    }
-  }
-}
 </script>
 
 <style>
+@font-face {
+  font-family: "Pangram Sans Rounded";
+  font-weight: bold;
+  src: local("Pangram Sans Rounded"), url("/fonts/PPPangramSansRounded-Bold.otf") format("opentype");
+}
+
+@font-face {
+  font-family: "Pangram Sans Rounded";
+  font-weight: 600;
+  src: local("Pangram Sans Rounded"), url("/fonts/PPPangramSansRounded-Semibold.otf") format("opentype");
+}
+
+@font-face {
+  font-family: "Pangram Sans Rounded";
+  font-weight: normal;
+  src: local("Pangram Sans Rounded"), url("/fonts/PPPangramSansRounded-Medium.otf") format("opentype");
+}
+
+:root {
+  --clr-bg: #ffd537;
+  --clr-accent: #37ffac;
+  --clr-text: #141414;
+}
+
 body {
   margin: 0;
-  background-color: #5a5a5a;
+  background-color: var(--clr-bg);
+}
+
+input, button {
+  font: inherit;
 }
 
 #app {
-  font-family: Avenir, Helvetica, Arial, sans-serif;
+  font-family: "Pangram Sans Rounded", Avenir, Helvetica, Arial, sans-serif;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
   text-align: center;
-  color: #f3f3f3;
+  color: var(--clr-text);
-  margin-top: 60px;
+  min-height: 100vh;
-}
+  box-sizing: border-box;
-
-#game {
-  margin-bottom: 100px;
-}
-
-.source {
-  color: #f3f3f350;
-  background-color: #12121250;
-  border-radius: 6px;
-  padding: 3px 6px;
-  position: fixed;
-  width: 20ch;
-  left: 0;
-  right: 0;
-  bottom: 10px;
-  text-align: center;
-  margin: 0 auto;
-  transition: all 0.3s;
-  cursor: pointer;
-  z-index: -1;
-}
-.source:hover {
-  color: #f3f3f3;
-  background-color: #121212;
-  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.6);
-}
-
-@media only screen and (max-width: 520px) {
-  .source {
-    display: none;
-  }
 }
 </style>

frontend/src/components/Game.vue

@@ -1,154 +0,0 @@
-<template>
-  <div>
-    <div class="card" v-if="card !== null" v-on:click="nextCard()" v-bind:class="{clickable: showResult}">
-      <img class="meme" v-bind:src="card.image">
-      <h2>Кто скинул этот мем?</h2>
-      <div class="interactive">
-        <transition name="fade-answers">
-          <List v-if="selectedAnswer === null" 
-          :options="options" @selectedAnswer="selectAnswer" />
-        </transition>
-        <transition name="spin-result">
-          <Result v-if="showResult" 
-          :name="card.name" :selectedName="selectedAnswer" :date="card.date" :correct="correctAnswer" />
-        </transition>
-      </div>
-    </div>
-    <Score v-if="card !== null" :score="score" />
-    <square-loader v-if="card === null" :color="'#f3f3f3'" class="loader" />
-    <Stats />
-  </div>
-</template>
-
-<script>
-import axios from 'axios'
-import List from './List.vue'
-import Result from './Result.vue'
-import Score from './Score.vue'
-import Stats from './Stats.vue'
-
-import SquareLoader from 'vue-spinner/src/SquareLoader.vue'
-
-export default {
-  name: 'Game',
-  components: {
-    List,
-    Result,
-    Score,
-    Stats,
-    SquareLoader
-  },
-  props: {
-    score: Object
-  },
-  data() {
-    return {
-      options: null,
-      card: null,
-      correctAnswer: null,    // True or False
-      selectedAnswer: null,   // Чье-то имя
-      showResult: false
-    }
-  },
-  methods: {
-    getCard: function() {
-      this.correctAnswer = null
-      this.selectedAnswer = null
-      this.showResult = false
-      axios
-        .get(process.env.VUE_APP_BACKEND + '/card')
-        .then(response => {
-          this.card = response.data
-        })
-    },
-    nextCard: function() {
-      if (this.showResult) {
-        this.card = null
-        this.getCard()
-      }
-    },
-    selectAnswer: function(selection) {
-      this.selectedAnswer = selection
-      let innerThis = this
-      setTimeout(function() {
-          innerThis.showResult = true
-          if (innerThis.correctAnswer) {
-            innerThis.score.right++ 
-          } else {
-            innerThis.score.wrong++
-          }
-      }, 805)
-      axios
-        .post(process.env.VUE_APP_BACKEND + '/answer', {
-          'data': {
-            'id': this.card._id,
-            'name': this.selectedAnswer
-          }
-        })
-        .then((response) => {
-          this.correctAnswer = response.data.correct
-          this.card = response.data.card
-        })
-    }
-  },
-  mounted() {
-    this.getCard()
-    axios
-      .get(process.env.VUE_APP_BACKEND + '/options')
-      .then(response => (this.options = response.data))
-  }
-}
-</script>
-
-<style scoped>
-.card {
-  width: 450px;
-  padding: 18px;
-  border-radius: 17px;
-  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.6);
-  background-color: #121212;
-  margin: auto;
-}
-
-.meme {
-  width: 100%;
-  border-radius: 8px;
-}
-
-.clickable {
-  cursor: pointer;
-}
-
-.interactive {
-  position: relative;
-  -webkit-perspective: 900000px;
-  perspective: 900000px;
-}
-
-.fade-answers-leave-active {
-  transition: all 0.8s ease;
-}
-.fade-answers-leave-to {
-  opacity: 0;
-  transform: scale(0.3);
-}
-
-.spin-result-enter-active {
-  transition: all 2s ease;
-}
-.spin-result-enter-from {
-  transform: scale(0.2);
-  transform: rotateY(120deg);
-}
-
-.loader {
-  margin-top: 100px;
-}
-
-@media screen and (max-width: 520px) {
-  .card {
-    width: 94%;
-    padding: 3%;
-  }
-}
-</style>

frontend/src/components/List.vue

@@ -1,41 +0,0 @@
-<template>
-  <div class="answers">
-    <span class="option" v-for="name in options" :key="name" v-on:click="selectAnswer(name)">
-      {{ name }}
-    </span>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'List',
-  props: {
-    options: Array
-  },
-  methods: {
-    selectAnswer: function(selection) {
-      this.$emit('selectedAnswer', selection)
-    }
-  }
-}
-</script>
-
-<style scoped>
-.answers {
-  display: flex;
-  flex-wrap: wrap;
-  justify-content: space-around;
-}
-
-.option {
-  background-color: #5a5a5a;
-  border-radius: 6px;
-  margin: 3px;
-  padding: 5px 9px;
-  transition: transform 0.2s;
-}
-.option:hover {
-  transform: scale(1.06);
-  cursor: pointer;
-}
-</style>

frontend/src/components/Login.vue

@@ -1,80 +0,0 @@
-<template>
-  <div>
-    <h1>Авторизация:</h1>
-    <p>{{ question }}</p>
-    <input v-model="answer"><br>
-    <button v-on:click="login" v-bind:class="{wrong: loggedIn === false}">Ввод</button>
-  </div>
-</template>
-
-<script>
-import axios from 'axios'
-axios.defaults.withCredentials = true
-
-export default {
-  name: 'Login',
-  data() {
-    return {
-      question: null,
-      answer: null,
-      loggedIn: null
-    }
-  },
-  methods: {
-    login: function() {
-      axios
-        .post(process.env.VUE_APP_BACKEND + '/auth', {
-          "pass": this.answer,
-        })
-        .then(response => {
-          this.loggedIn = response.status == "200"
-          this.$emit('loggedIn', this.loggedIn)
-        })
-    }
-  },
-  mounted() {
-    this.question = process.env.VUE_APP_QUESTION
-    this.login()
-  }
-}
-</script>
-
-<style scoped>
-div {
-  background-color: #121212;
-  width: 400px;
-  margin: auto;
-  border-radius: 18px;
-  padding: 40px 10px;
-  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.6);
-}
-
-input {
-  font-size: 1em;
-  text-align: center;
-  padding: 5px 8px;
-  margin-bottom: 1em;
-  border-radius: 6px;
-  border: none;
-  width: 20ch;
-}
-
-button {
-  color: white;
-  font-size: 1em;
-  box-sizing: content-box;
-  background-color: #5a5a5a;
-  border-radius: 6px;
-  border: none;
-  width: 20ch;
-  padding: 5px 8px;
-  cursor: pointer;
-}
-
-@media only screen and (max-width: 520px) {
-  div {
-    width: 100%;
-    padding: 40px 0;
-  }
-}
-</style>

frontend/src/components/Result.vue

@@ -1,37 +0,0 @@
-<template>
-  <div>
-    <span v-show="!correct" class="wrong">Нет, это был не {{ selectedName }} 😢</span>
-    <div class="result" v-bind:class="{correct: correct}">
-      {{ name }} {{ date }}
-    </div>
-  </div>
-</template>
-
-<script>
-export default {
-  name: "Result",
-  props: {
-    name: String,
-    selectedName: String,
-    date: String,
-    correct: Boolean
-  }
-}
-</script>
-
-<style scoped>
-.result {
-  padding: 30px 40px;
-  border-radius: 8px;
-  background-color: #5a5a5a;
-}
-
-.correct {
-  color: #121212;
-  background-color: rgb(124, 230, 124);
-}
-
-.wrong {
-  color: rgb(255, 71, 71);
-}
-</style>

frontend/src/components/SourceCodeLink.vue

@@ -0,0 +1,39 @@
+<template>
+  <a
+    class="source" 
+    href="https://github.com/anatolykopyl/vk-bingo"
+    target="_blank"
+  >
+    Исходный код
+  </a>
+</template>
+
+<style scoped>
+.source {
+  color: #f3f3f350;
+  background-color: #12121250;
+  border-radius: 6px;
+  padding: 3px 6px;
+  position: fixed;
+  width: 20ch;
+  left: 0;
+  right: 0;
+  bottom: 10px;
+  text-align: center;
+  margin: 0 auto;
+  transition: all 0.3s;
+  cursor: pointer;
+  z-index: -1;
+}
+.source:hover {
+  color: #f3f3f3;
+  background-color: #121212;
+  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.6);
+}
+
+@media only screen and (max-width: 520px) {
+  .source {
+    display: none;
+  }
+}
+</style>

frontend/src/composables/useServerEvents.js

@@ -0,0 +1,21 @@
+// import useStore from '../store'
+
+export default () => {
+  // const store = useStore()
+
+  const evtSource = new EventSource(`${import.meta.env.VITE_APP_BACKEND}/stream`);
+
+  function addAnswerListener(handler) {
+    evtSource.addEventListener('answer', (event) => handler(JSON.parse(event.data)))
+  }
+
+  function addUserlistListener(handler) {
+    evtSource.addEventListener('userlist', (event) => handler(JSON.parse(event.data)))
+  }
+
+  function addRevealListener(handler) {
+    evtSource.addEventListener('reveal', (event) => handler(JSON.parse(event.data)))
+  }
+
+  return { addAnswerListener, addUserlistListener, addRevealListener }
+}

frontend/src/main.js

@@ -1,4 +1,13 @@
 import { createApp } from 'vue'
+import { createPinia } from 'pinia'
+import piniaPluginPersistedstate from "pinia-plugin-persistedstate";
 import App from './App.vue'
+import router from './router'
 
-createApp(App).mount('#app')
+const app = createApp(App)
+const pinia = createPinia()
+pinia.use(piniaPluginPersistedstate);
+
+app.use(router)
+app.use(pinia)
+app.mount('#app')

frontend/src/router.js

@@ -0,0 +1,15 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import Game from './views/Game/Index.vue'
+import Login from './views/Login/Index.vue'
+import Screen from './views/Screen/Index.vue'
+
+const routes = [
+  { path: '/game', component: Game },
+  { path: '/', component: Login },
+  { path: '/screen', component: Screen }
+]
+
+export default createRouter({
+  history: createWebHistory(),
+  routes,
+})

frontend/src/store.js

@@ -0,0 +1,10 @@
+import { defineStore } from 'pinia'
+
+export default defineStore({
+  id: 'store',
+  persist: true,
+
+  state: () => ({ 
+    username: null
+  }),
+})

frontend/src/styles/_prepend.scss

@@ -0,0 +1,9 @@
+@mixin filled-shadow($distance) {
+  $resulting-shadow: null;
+
+  @for $i from 1 through $distance {
+    $resulting-shadow: $resulting-shadow, #{$i}px #{$i}px 0 var(--clr-text);
+  }
+
+  box-shadow: $resulting-shadow;
+}

frontend/src/views/Game/EndGame.vue

@@ -0,0 +1,42 @@
+<template>
+  <div class="end">
+    <button 
+      @click="endGame"
+      class="endButton"
+    >
+      Закончить игру
+    </button>
+  </div>
+</template>
+
+<script setup>
+import axios from 'axios'
+import { useRouter } from 'vue-router';
+const router = useRouter()
+
+function endGame() {
+  axios.post(import.meta.env.VITE_APP_BACKEND + '/end')
+  router.push('/')
+}
+</script>
+
+<style scoped lang="scss">
+.end {
+  // position: fixed;
+  // bottom: 8px;
+  // left: 50%;
+  // transform: translateX(-50%);
+}
+
+.endButton {
+  background: none;
+  border: none;
+  font: inherit;
+  padding: 8px 12px;
+  border-bottom: 1px dotted var(--clr-text);
+
+  &:hover {
+    cursor: pointer;
+  }
+}
+</style>

frontend/src/views/Game/Index.vue

@@ -0,0 +1,154 @@
+<template>
+  <h1 class="header">Флекспатруль мультиплеер</h1>
+
+  <div class="main">
+    <div 
+      class="card" 
+      v-if="card"
+    >
+      <img 
+        class="meme" 
+        :src="card.image"
+      >
+      <h2>Кто скинул этот мем?</h2>
+      <div class="interactive">
+        <transition name="fade-answers" mode="out-in">
+          <List
+            v-if="!showResult"
+            :options="options" 
+            @selectedAnswer="selectAnswer" 
+          />
+          <Result 
+            v-else 
+            :selectedName="selectedAnswer" 
+            :correct="correctAnswer"
+          />
+        </transition>
+      </div>
+    </div>
+
+    <EndGame />
+
+    <square-loader 
+      v-if="!card" 
+      :color="'white'" 
+      class="loader" 
+    />
+  </div>
+</template>
+
+<script setup>
+import { onMounted, ref } from 'vue'
+import axios from 'axios'
+import List from './List.vue'
+import Result from './Result.vue'
+import EndGame from './EndGame.vue'
+import useStore from '@/store'
+import useServerEvents from '@/composables/useServerEvents'
+
+import SquareLoader from 'vue-spinner/src/SquareLoader.vue'
+
+const store = useStore()
+const { addRevealListener } = useServerEvents()
+
+const options = ref()
+const card = ref()
+const correctAnswer = ref()
+const selectedAnswer = ref()
+const showResult = ref()
+
+addRevealListener((data) => {
+  showResult.value = true
+  correctAnswer.value = data.correctAnswer
+
+  setTimeout(() => {
+    getCard()
+  }, 5000)
+})
+
+async function getCard() {
+  correctAnswer.value = null
+  selectedAnswer.value = null
+  showResult.value = false
+  card.value = null
+  const response = await axios.get(import.meta.env.VITE_APP_BACKEND + '/card')
+  card.value = response.data
+}
+
+async function selectAnswer(selection) {
+  selectedAnswer.value = selection
+
+  await axios.post(import.meta.env.VITE_APP_BACKEND + '/answer', {
+    'data': {
+      'id': card.value._id,
+      'name': selectedAnswer.value,
+      'username': store.username
+    }
+  })
+}
+
+onMounted(async () => {
+  getCard()
+  const response = await axios.get(import.meta.env.VITE_APP_BACKEND + '/options')
+  options.value = response.data
+})
+</script>
+
+<style scoped lang="scss">
+.header {
+  padding: 60px;
+  margin: auto;
+  height: 42px;
+}
+
+.main {
+  position: relative;
+  min-height: calc(100vh - 162px);
+  box-sizing: border-box;
+  padding: 8px;
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+}
+
+.card {
+  width: 450px;
+  margin: 0 auto;
+  min-height: 0;
+}
+
+.meme {
+  width: 100%;
+  border-radius: 32px;
+  border: 3px solid var(--clr-text);
+  @include filled-shadow(16);
+  transform: translateX(-8px);
+}
+
+.clickable {
+  cursor: pointer;
+}
+
+.interactive {
+  position: relative;
+}
+
+.fade-answers-leave-active {
+  transition: all 0.8s ease;
+}
+.fade-answers-leave-to {
+  opacity: 0;
+  transform: scale(0.3);
+}
+
+.loader {
+  margin-top: 100px;
+}
+
+@media screen and (max-width: 520px) {
+  .card {
+    width: 94%;
+    padding: 3%;
+  }
+}
+</style>

frontend/src/views/Game/List.vue

@@ -0,0 +1,67 @@
+<template>
+  <div 
+    class="answers"
+  >
+    <span 
+      class="option" 
+      v-for="name in options" 
+      :key="name" 
+      @click="selectAnswer(name)"
+      :class="{
+        '-selected': selection === name
+      }"
+    >
+      {{ name }}
+    </span>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'List',
+  props: {
+    options: Array
+  },
+  data() {
+    return {
+      selection: null
+    }
+  },
+  methods: {
+    selectAnswer: function(selection) {
+      if (this.selection) {
+        return
+      }
+
+      this.selection = selection
+      this.$emit('selectedAnswer', selection)
+    }
+  }
+}
+</script>
+
+<style scoped>
+.answers {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: space-around;
+  gap: 3px;
+}
+
+.option {
+  background-color: white;
+  border-radius: 6px;
+  padding: 2px 6px;
+  transition: transform 0.2s;
+  border: 3px dashed transparent;
+}
+
+.option.-selected {
+  border-color: var(--clr-accent);
+}
+
+.option:hover {
+  transform: scale(1.06);
+  cursor: pointer;
+}
+</style>

frontend/src/views/Game/Result.vue

@@ -0,0 +1,46 @@
+<template>
+  <div>
+    <div
+      class="result" 
+      :class="{correct: correct === selectedName}"
+    >
+      <div
+        v-show="correct !== selectedName" 
+        class="wrong"
+      >
+        Нет, это был не {{ selectedName }} 😢
+      </div>
+
+      {{ correct }}
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "Result",
+  props: {
+    name: String,
+    selectedName: String,
+    date: String,
+    correct: String
+  }
+}
+</script>
+
+<style scoped>
+.result {
+  padding: 30px 40px;
+  border-radius: 32px;
+  background-color: white;
+}
+
+.correct {
+  color: var(--clr-text);
+  background-color: var(--clr-accent);
+}
+
+.wrong {
+  color: rgb(255, 71, 71);
+}
+</style>

frontend/src/views/Game/Stats.vue

@@ -45,7 +45,7 @@ export default {
   },
   mounted() {
     axios
-        .get(process.env.VUE_APP_BACKEND + '/stats')
+        .get(import.meta.env.VITE_APP_BACKEND + '/stats')
         .then(response => {
           response.data.forEach(element => {
             this.stats[element._id] = element.correct / element.wrong

frontend/src/views/Login/Index.vue

@@ -0,0 +1,167 @@
+<template>
+  <div class="authCard">
+    <h1>Авторизация:</h1>
+
+    <div class="auth">
+      <p>{{ question }}</p>
+      <input 
+        placeholder="Ответ"
+        v-model="answer"
+        class="input"
+      >
+      <input
+        v-if="mode === 'player'"
+        placeholder="Ваше имя"
+        v-model="username"
+        class="input"
+      >
+      
+      <button 
+        v-if="mode === 'player'"
+        class="login"
+        @click="loginPlayer" 
+      >
+        Войти как игрок
+      </button>
+      <button 
+        v-else
+        class="login"
+        @click="loginScreen" 
+      >
+        Войти как большой экран
+      </button>
+      
+      <button 
+        @click="switchMode"
+        class="switchMode"
+      >
+        Я не {{ mode === 'player' ? 'игрок' : 'большой экран' }}!
+      </button>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { useRouter } from 'vue-router'
+import useStore from '../../store'
+import axios from 'axios'
+axios.defaults.withCredentials = true
+
+const question = import.meta.env.VITE_APP_QUESTION
+
+const router = useRouter()
+const store = useStore()
+
+const mode = ref("player")
+const answer = ref()
+const username = ref()
+
+function switchMode() {
+  mode.value = mode.value === 'player' ? 'screen' : 'player'
+}
+
+async function loginPlayer() {
+  if (!answer.value || !username.value) {
+    return
+  }
+
+  store.username = username.value
+
+  await axios
+    .post(import.meta.env.VITE_APP_BACKEND + '/auth', {
+      "pass": answer.value,
+      "username": username.value,
+    })
+  
+  router.push('/game')
+}
+
+async function loginScreen() {
+  store.username = undefined
+
+  await axios
+    .post(import.meta.env.VITE_APP_BACKEND + '/auth', {
+      "pass": answer.value,
+    })
+  
+  router.push('/screen')
+}
+</script>
+
+<style scoped lang="scss">
+.auth {
+  display: flex;
+  gap: 16px;
+  flex-direction: column;
+  align-items: center;
+}
+
+.authCard {
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  background: var(--clr-text);
+  color: var(--clr-text);
+  width: 400px;
+  margin: auto;
+  border-radius: 32px;
+  padding: 40px 40px;
+  box-sizing: border-box;
+  background: white;
+  border: 3px solid var(--clr-text);
+  @include filled-shadow(16);
+}
+
+.input {
+  font-size: 16px;
+  padding: 16px;
+  border: 2px solid var(--clr-text);
+  width: 100%;
+  box-sizing: border-box;
+  @include filled-shadow(4);
+  border-radius: 12px;
+
+  &:focus {
+    outline: none;
+  }
+}
+
+.login {
+  color: var(--clr-text);
+  font-size: 16px;
+  box-sizing: border-box;
+  background-color: var(--clr-bg);
+  border: none;
+  width: 100%;
+  padding: 16px;
+  cursor: pointer;
+  border: 2px solid var(--clr-text);
+  @include filled-shadow(4);
+  border-radius: 12px;
+}
+
+.switchMode {
+  position: absolute;
+  color: var(--clr-text);
+  background: var(--clr-accent);
+  font-size: 12px;
+  width: 70px;
+  height: 70px;
+  border-radius: 100px;
+  border: 2px solid var(--clr-text);
+  left: 0;
+  bottom: 0;
+  transform: translate(-50%, 50%);
+  cursor: pointer;
+  @include filled-shadow(4);
+}
+
+@media only screen and (max-width: 520px) {
+  .authCard {
+    width: 100%;
+    padding: 40px 0;
+  }
+}
+</style>

frontend/src/views/Screen/Answer.vue

@@ -0,0 +1,33 @@
+<template>
+  <div 
+    class="answer"
+    :style="{
+      transform: `translate(${-50}%, ${-50}%) rotate(${position.rotation}deg)`
+    }"
+  >
+    {{ props.answer }}
+  </div>
+</template>
+
+<script setup>
+import { reactive } from 'vue'
+
+const props = defineProps(["answer"])
+const position = reactive({
+  rotation: Math.random() * 20 - 10,
+})
+</script>
+
+<style scoped lang="scss">
+.answer {
+  position: fixed;
+  background: var(--clr-accent);
+  border-radius: 32px;
+  font-size: 30px;
+  padding: 32px;
+  border: 3px solid var(--clr-text);
+  top: 50%;
+  left: 50%;
+  font-weight: 600;
+}
+</style>

frontend/src/views/Screen/Index.vue

@@ -0,0 +1,215 @@
+<template>
+  <div
+    v-if="card && !loading"
+    class="bigScreen"
+  >
+    <img
+      class="image"
+      :src="card.image"
+    >
+
+    <div class="answersState">
+      <div class="users -unanwsered">
+        <h2 class="usersTitle">Не ответили</h2>
+        <ul>
+          <li
+            class="user"
+            v-for="user in unansweredPlayers"
+            :key="user.name"
+          >
+            {{ user.name }}
+          </li>
+        </ul>
+      </div>
+
+      <div class="users">
+        <h2 class="usersTitle">Ответили</h2>
+        <ul>
+          <li
+            class="user"
+            v-for="user in answeredPlayers"
+            :key="user.name"
+            :class="{
+              '-wrong': correctAnswer && user.selected !== correctAnswer,
+              '-correct': correctAnswer && user.selected === correctAnswer
+            }"
+          >
+            {{ user.name }}
+          </li>
+        </ul>
+      </div>
+    </div>
+
+    <Answer 
+      v-if="correctAnswer"
+      :answer="correctAnswer"
+    />
+  </div>
+
+  <square-loader 
+    v-else
+    :color="'white'"
+    class="loader"
+  />
+</template>
+
+<script setup>
+import axios from 'axios'
+import { ref, onMounted, computed } from 'vue'
+import useServerEvents from '@/composables/useServerEvents'
+import Answer from './Answer.vue'
+
+import SquareLoader from 'vue-spinner/src/SquareLoader.vue'
+
+const { addAnswerListener, addUserlistListener, addRevealListener } = useServerEvents()
+
+const card = ref()
+const users = ref([])
+const correctAnswer = ref()
+const loading = ref()
+
+async function getCard() {
+  loading.value = true
+  const response = await axios.get(import.meta.env.VITE_APP_BACKEND + '/card')
+  loading.value = false
+  card.value = response.data
+}
+
+async function getPlayers() {
+  const response = await axios.get(import.meta.env.VITE_APP_BACKEND + '/players')
+  response.data.forEach((name) => {
+    users.value.push({
+      name,
+      selected: null
+    })
+  })
+}
+
+const answeredPlayers = computed(() => {
+  return users.value.filter((user) => user.selected)
+})
+
+const unansweredPlayers = computed(() => {
+  return users.value.filter((user) => !user.selected)
+})
+
+addAnswerListener((data) => {
+  users.value = users.value.map((user) => {
+    if (user.name === data.username) {
+      return {
+        ...user,
+        selected: data.selected
+      }
+    }
+
+    return user
+  })
+})
+
+addUserlistListener((data) => {
+  data.forEach((name) => {
+    users.value.push({
+      name,
+      selected: null
+    })
+  })
+})
+
+addRevealListener((data) => {
+  correctAnswer.value = data.correctAnswer
+
+  setTimeout(() => {
+    getCard()
+    correctAnswer.value = null
+    users.value = users.value.map((user) => ({
+      ...user,
+      selected: null
+    }))
+  }, 5000)
+})
+
+onMounted(() => {
+  getCard()
+  getPlayers()
+})
+</script>
+
+<style scoped lang="scss">
+.bigScreen {
+  position: absolute;
+  width: 100%;
+  height: 100vh;
+  left: 0;
+  top: 0;
+  display: flex;
+  justify-content: space-evenly;
+  gap: 64px;
+  align-items: center;
+  padding: 64px;
+  background: var(--clr-bg);
+  box-sizing: border-box;
+  color: var(--clr-text);
+}
+
+.image {
+  display: block;
+  max-width: 60%;
+  max-height: 100%;
+  object-fit: contain;
+  margin-top: auto;
+  margin-bottom: auto;
+  background: var(--clr-text);
+  border: 3px solid var(--clr-text);
+  @include filled-shadow(16);
+  border-radius: 64px;
+  animation-name: rock;
+  animation-duration: 5s;
+  animation-direction: alternate;
+  animation-iteration-count: infinite;
+  animation-timing-function: ease-in-out;
+}
+
+@keyframes rock {
+  from {
+    transform: rotate(-2deg);
+  }
+
+  to {
+    transform: rotate(2deg);
+  }
+}
+
+.users {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  height: 100%;
+  padding: 20px;
+}
+
+.users.-unanwsered {
+  border-right: 1px dashed var(--clr-text);
+}
+
+.user.-correct {
+  color: green;
+}
+
+.user.-wrong {
+  color: red;
+}
+
+.usersTitle {
+  margin: 0;
+}
+
+.answersState {
+  display: flex;
+  flex-shrink: 0;
+  height: 300px;
+}
+
+.loader {
+  margin-top: 50%;
+}
+</style>

frontend/vite.config.js

@@ -0,0 +1,26 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+const path = require("path");
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [vue()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+  css: {
+    preprocessorOptions: {
+      scss: {
+        additionalData: `
+          @use 'sass:math';
+          @import '@/styles/_prepend.scss';
+        `,
+      },
+    },
+  },
+  server: {
+    port: 8080
+  }
+})