add markers to exams (move away from group based to content based permissions)

atlas/migrations/0058_casecollection_markers.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.0.2 on 2024-08-05 09:43
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('atlas', '0057_alter_caseprior_prior_case'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='casecollection',
+            name='markers',
+            field=models.ManyToManyField(blank=True, help_text='Authorised markers for the exam', related_name='casecollection_markers', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

atlas/models.py

@@ -780,6 +780,13 @@ class CaseCollection(ExamOrCollectionGenericBase):
         related_name="casecollection_authored_cases",
     )
 
+    markers = models.ManyToManyField(
+        settings.AUTH_USER_MODEL,
+        blank=True,
+        help_text="Authorised markers for the exam",
+        related_name="casecollection_markers",
+    )
+
     valid_cid_users = models.ManyToManyField(
         CidUser, blank=True, related_name="casecollection_exams"
     )