bug-fix: fixed runtime null pointer exception in the RoomDTO

Author: AdityaByte

src/main/java/com/connect/dto/RoomDTO.java

@@ -20,6 +20,8 @@ public RoomDTO(Room room) {
         this.roomId = room.getRoomId().toString();
         this.roomName = room.getRoomName();
         this.roomDescription = room.getRoomDescription();
-        this.admin = room.getAdmin().getUsername();
+        if (room.getAdmin() != null) {
+            this.admin = room.getAdmin().getUsername();
+        }
     }
 }

src/main/java/com/connect/service/RoomService.java

@@ -34,9 +34,6 @@ public void init() {
             Optional<Room> room = roomRepository.findRoomByName(ROOM_NAME);
             if (room.isEmpty()) {
                 // Have to create the first room.
-                User admin = new User();
-                admin.setUsername("ADITYA");
-                admin.setUserRole(List.of(UserRole.ADMIN));
                 Room generalRoom = new Room(
                         ROOM_NAME,
                         "A public space for all users to chat, ask questions, and share updates."