Cleanup migrations & speedup preference polling

AKModel/migrations/0068_alter_akpreference_options_akpreference_timestamp.py

-# Generated by Django 5.1.6 on 2025-04-04 09:33
-
-import django.utils.timezone
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("AKModel", "0067_eventparticipant_requirements_and_more"),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name="akpreference",
-            options={
-                "ordering": ["-timestamp"],
-                "verbose_name": "AK Preference",
-                "verbose_name_plural": "AK Preferences",
-            },
-        ),
-        migrations.AddField(
-            model_name="akpreference",
-            name="timestamp",
-            field=models.DateTimeField(
-                auto_now_add=True,
-                default=django.utils.timezone.now,
-                help_text="Time of creation",
-                verbose_name="Timestamp",
-            ),
-            preserve_default=False,
-        ),
-    ]

AKModel/migrations/0068_event_export_delete_preferences_participants.py

+# Generated by Django 5.2.1 on 2025-06-17 15:57
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0067_eventparticipant_requirements_and_more'),
+        ('AKPreference', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='eventparticipant',
+            name='event',
+        ),
+        migrations.RemoveField(
+            model_name='eventparticipant',
+            name='requirements',
+        ),
+        migrations.RemoveField(
+            model_name='availability',
+            name='participant',
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='poll_hidden',
+            field=models.BooleanField(default=True, help_text='Hides preference poll for non-staff users', verbose_name='Poll Hidden'),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='poll_published_at',
+            field=models.DateTimeField(blank=True, help_text='Timestamp at which the preference poll was published', null=True, verbose_name='Poll published at'),
+        ),
+        migrations.DeleteModel(
+            name='AKPreference',
+        ),
+        migrations.DeleteModel(
+            name='EventParticipant',
+        ),
+        migrations.AddField(
+            model_name='availability',
+            name='participant',
+            field=models.ForeignKey(blank=True, help_text='Participant whose availability this is', null=True,
+                                    on_delete=django.db.models.deletion.CASCADE, related_name='availabilities',
+                                    to='AKPreference.eventparticipant', verbose_name='Participant'),
+        ),
+    ]

AKModel/migrations/0069_alter_akpreference_preference.py

-# Generated by Django 5.1.6 on 2025-04-04 09:34
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("AKModel", "0068_alter_akpreference_options_akpreference_timestamp"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="akpreference",
-            name="preference",
-            field=models.PositiveSmallIntegerField(
-                choices=[
-                    (0, "Ignore"),
-                    (1, "Interested"),
-                    (2, "Great interest"),
-                    (3, "Required"),
-                ],
-                default=0,
-                help_text="Preference level for the AK",
-                verbose_name="Preference",
-            ),
-        ),
-    ]

AKModel/migrations/0070_event_poll_hidden_event_poll_published_at.py

-# Generated by Django 5.1.6 on 2025-04-04 11:03
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("AKModel", "0069_alter_akpreference_preference"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="event",
-            name="poll_hidden",
-            field=models.BooleanField(
-                default=True,
-                help_text="Hides preference poll for non-staff users",
-                verbose_name="Poll Hidden",
-            ),
-        ),
-        migrations.AddField(
-            model_name="event",
-            name="poll_published_at",
-            field=models.DateTimeField(
-                blank=True,
-                help_text="Timestamp at which the preference poll was published",
-                null=True,
-                verbose_name="Poll published at",
-            ),
-        ),
-    ]

AKModel/migrations/0071_alter_akpreference_unique_together_and_more.py

-# Generated by Django 5.2.1 on 2025-06-14 18:57
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("AKModel", "0070_event_poll_hidden_event_poll_published_at"),
-    ]
-
-    operations = [
-        migrations.AlterUniqueTogether(
-            name="akpreference",
-            unique_together=None,
-        ),
-        migrations.RemoveField(
-            model_name="akpreference",
-            name="event",
-        ),
-        migrations.RemoveField(
-            model_name="akpreference",
-            name="participant",
-        ),
-        migrations.RemoveField(
-            model_name="akpreference",
-            name="slot",
-        ),
-        migrations.RemoveField(
-            model_name="eventparticipant",
-            name="event",
-        ),
-        migrations.RemoveField(
-            model_name="eventparticipant",
-            name="requirements",
-        ),
-    ]

AKModel/migrations/0072_alter_availability_participant_delete_akpreference_and_more.py

-# Generated by Django 5.2.1 on 2025-06-14 18:57
-
-import django.db.models.deletion
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("AKModel", "0071_alter_akpreference_unique_together_and_more"),
-        ("AKPreference", "0001_initial"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="availability",
-            name="participant",
-            field=models.ForeignKey(
-                blank=True,
-                help_text="Participant whose availability this is",
-                null=True,
-                on_delete=django.db.models.deletion.CASCADE,
-                related_name="availabilities",
-                to="AKPreference.eventparticipant",
-                verbose_name="Participant",
-            ),
-        ),
-        migrations.DeleteModel(
-            name="AKPreference",
-        ),
-        migrations.DeleteModel(
-            name="EventParticipant",
-        ),
-    ]

AKPreference/migrations/0001_initial.py

@@ -9,7 +9,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ("AKModel", "0071_alter_akpreference_unique_together_and_more"),
+        ("AKModel", "0067_eventparticipant_requirements_and_more"),
     ]
 
     operations = [

AKPreference/views.py

@@ -66,6 +66,7 @@ class PreferencePollCreateView(EventSlugMixin, SuccessMessageMixin, FormView):
             AK.objects.filter(event=self.event)
             .order_by()
             .all()
+            .prefetch_related('owners')
         )
         initial_lst = [
             {"ak": ak, "event": self.event} for ak in ak_set