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

physics/forms.py

@@ -8,7 +8,7 @@ from django.forms import (
 )
 from django.forms import inlineformset_factory
 
-from generic.forms import ExamAuthorFormMixin, ExamFormMixin
+from generic.forms import ExamAuthorFormMixin, ExamFormMixin, ExamMarkerFormMixin
 
 from .models import (
     Question,
@@ -38,4 +38,8 @@ class ExamForm(ExamFormMixin, ModelForm):
 
 class ExamAuthorForm(ExamAuthorFormMixin):
     class Meta(ExamAuthorFormMixin.Meta):
+        model = Exam
+
+class ExamMarkerForm(ExamMarkerFormMixin):
+    class Meta(ExamMarkerFormMixin.Meta):
         model = Exam

physics/migrations/0012_exam_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 = [
+        ('physics', '0011_alter_exam_end_date_alter_exam_exam_results_emailed_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='markers',
+            field=models.ManyToManyField(blank=True, help_text='Authorised markers for the exam', related_name='physics_exam_markers', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

physics/models.py

@@ -167,6 +167,13 @@ class Exam(ExamBase):
         related_name="physics_exam_author",
     )
 
+    markers = models.ManyToManyField(
+        settings.AUTH_USER_MODEL,
+        blank=True,
+        help_text="Authorised markers for the exam",
+        related_name="physics_exam_markers",
+    )
+
     valid_cid_users = models.ManyToManyField(
         CidUser, blank=True, related_name="physics_exams"
     )

physics/urls.py

@@ -33,6 +33,7 @@ urlpatterns.extend(
             views.exam_take_overview,
             name="exam_take_overview_user",
         ),
+        path("exam/<int:pk>/markers", views.ExamMarkersUpdate.as_view(), name="exam_markers"),
         path(
             "exam/<int:pk>/authors",
             views.ExamAuthorUpdate.as_view(),

physics/views.py

@@ -58,7 +58,7 @@ from rest_framework.pagination import PageNumberPagination
 
 from django.core.exceptions import PermissionDenied
 
-from .forms import UserAnswerForm, ExamAuthorForm, ExamForm
+from .forms import ExamMarkerForm, UserAnswerForm, ExamAuthorForm, ExamForm
 from .decorators import (
     user_is_author_or_physics_checker,
     user_is_exam_author_or_physics_checker,
@@ -359,6 +359,13 @@ class ExamAuthorUpdate(
     form_class = ExamAuthorForm
     template_name = "author_form.html"
 
+class ExamMarkersUpdate(
+    RevisionMixin, CheckCanEditMixin, LoginRequiredMixin, AuthorRequiredMixin, UpdateView
+):
+    model = Exam
+    form_class = ExamMarkerForm
+
+    template_name = "markers_form.html"
 
 class QuestionView(
     LoginRequiredMixin, SingleTableMixin, FilterView, AuthorOrCheckerRequiredMixin