.

longs/migrations/0055_exam_valid_users.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.8 on 2021-12-11 22:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0015_ciduser_ciduserexam'),
+        ('longs', '0054_alter_exam_open_access'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='valid_users',
+            field=models.ManyToManyField(blank=True, related_name='longs_exams', to='generic.CidUser'),
+        ),
+    ]

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)