refactored backend

backend/config/database.js

@@ -0,0 +1,14 @@
+const CONNECTION_URI = require('../credentials.js');
+
+module.exports = function (mongoose) {
+    mongoose.set('useFindAndModify', false);
+    mongoose
+        .connect(CONNECTION_URI, {
+            useNewUrlParser: true,
+            useUnifiedTopology: true,
+        })
+        .then(() => {
+            console.log('MongoDB Connected…');
+        })
+        .catch(err => console.error(err));
+};

backend/config/session.js

@@ -0,0 +1,23 @@
+const session = require('express-session');
+const CONNECTION_URI = require('../credentials.js');
+const MongoDBStore = require('connect-mongodb-session')(session);
+const store = new MongoDBStore({
+    uri: CONNECTION_URI,
+    collection: 'sessions',
+});
+const sessionMiddleware = session({
+    store: store,
+    credentials: true,
+    cookie: {
+        httpOnly: false,
+        secure: false,
+    },
+    secret: 'secret',
+    saveUninitialized: true,
+    resave: true,
+    maxAge: 20000,
+});
+
+const wrap = expressMiddleware => (socket, next) => expressMiddleware(socket.request, {}, next);
+
+module.exports = { sessionMiddleware, wrap };

backend/config/socket.js

@@ -0,0 +1,26 @@
+const socketManager = require('../socket/socketManager');
+const registerPlayerHandlers = require('../handlers/playerHandler');
+const registerRoomHandlers = require('../handlers/roomHandler');
+const registerGameHandlers = require('../handlers/gameHandler');
+const { sessionMiddleware, wrap } = require('../config/session');
+
+module.exports = function (server) {
+    socketManager.initialize(server);
+    socketManager.getIO().engine.on('initial_headers', (headers, req) => {
+        if (req.cookieHolder) {
+            headers['set-cookie'] = req.cookieHolder;
+            delete req.cookieHolder;
+        }
+    });
+    socketManager.getIO().use(wrap(sessionMiddleware));
+    socketManager.getIO().on('connection', socket => {
+        registerPlayerHandlers(socket);
+        registerRoomHandlers(socket);
+        registerGameHandlers(socket);
+        if (socket.request.session.roomId) {
+            const roomId = socket.request.session.roomId.toString();
+            socket.join(roomId);
+            socket.emit('player:data', JSON.stringify(socket.request.session));
+        }
+    });
+};