.

longs/models.py

@@ -28,7 +28,7 @@ from helpers.images import image_as_base64, pretty_print_dicom
 
 from anatomy.models import Modality
 
-from generic.models import Examination, Condition, Sign, ExamBase, Plane, Contrast, QuestionNote
+from generic.models import CidUser, Examination, Condition, Sign, ExamBase, Plane, Contrast, QuestionNote
 
 # from generic.models import Examination, Site, Condition, Sign
 
@@ -597,6 +597,8 @@ class Exam(ExamBase):
 
     double_mark = models.BooleanField(default=True, help_text="Defines if an exam is expected to be double marked")
 
+    valid_users = models.ManyToManyField(CidUser, blank=True, related_name="longs_exams")
+
     def get_exam_question_json(self, question_id):
         q = get_object_or_404(Long, pk=question_id)