import "package:angel_framework/src/defs.dart"; class Postcard extends MemoryModel { String location; String message; Postcard({String this.location, String this.message}); @override bool operator ==(other) { if (!(other is Postcard)) return false; return id == other.id && location == other.location && message == other.message; } Map toJson() { return {'id': id, 'location': location, 'message': message}; } }