Created the room.js controller

server/controller/room.js

@@ -0,0 +1,30 @@
+let rooms = {};
+
+module.exports.roomExists = (roomId) => rooms[roomId] !== undefined;
+
+module.exports.connectUserToRoom = (roomId, user) => {
+    if (rooms[roomId]) {
+        rooms[roomId].members.push({...user, creator: false});
+    } else {
+        rooms[roomId] = {members: [{...user, creator: true}], settings: {}};
+    }
+    console.log(JSON.stringify(rooms));
+}
+
+module.exports.disconnectUser = (userId) => {
+    for (const roomId in rooms) {
+        const room = rooms[roomId];
+        const memberIndex = room.members.findIndex(member => member.id === userId);
+
+        if (memberIndex !== -1) {
+            if (room.members[memberIndex].creator) {
+                if (room.members.length > 1) room.members[1].creator = true;
+            }
+
+            room.members.splice(memberIndex, 1);
+            if (room.members.length === 0) delete rooms[roomId];
+
+            break;
+        }
+    }
+}