import 'package:e2ee_chat/model/content.dart'; import 'package:objectbox/objectbox.dart'; import 'group.dart'; import 'user.dart'; @Entity() class Message { int id = 0; final from = ToOne(); final to = ToOne(); final content = ToOne(); int time = 0; } @Entity() class GroupMessage { int id = 0; final from = ToOne(); final to = ToOne(); final content = ToOne(); int time = 0; }