Track whether participation has been filled already

aleksis/apps/alsijil/migrations/0022_documentation_participation_touched_at.py

+# Generated by Django 5.0.6 on 2024-06-06 09:36
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('alsijil', '0021_remove_participationstatus_absent_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='documentation',
+            name='participation_touched_at',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='Participation touched at'),
+        ),
+    ]

aleksis/apps/alsijil/models.py

@@ -9,6 +9,7 @@ from django.db.models import QuerySet
 from django.db.models.constraints import CheckConstraint
 from django.db.models.query_utils import Q
 from django.urls import reverse
+from django.utils import timezone
 from django.utils.formats import date_format
 from django.utils.timezone import localdate, localtime
 from django.utils.translation import gettext_lazy as _
@@ -489,6 +490,11 @@ class Documentation(CalendarEvent):
     homework = models.CharField(verbose_name=_("Homework"), max_length=255, blank=True)
     group_note = models.CharField(verbose_name=_("Group Note"), max_length=255, blank=True)
 
+    # Used to track whether participations have been filled in
+    participation_touched_at = models.DateTimeField(
+        blank=True, null=True, verbose_name=_("Participation touched at")
+    )
+
     def get_subject(self) -> str:
         if self.subject:
             return self.subject
@@ -698,17 +704,13 @@ class Documentation(CalendarEvent):
         """Ensure that participation statuses are created for this documentation."""
         # TODO: Check for preexisting absences in kolego
 
-        if not self.amends or self.datetime_start <= localtime():
-            # There is no source to update from or it's to early
+        if self.participation_touched_at or not self.amends or self.datetime_start > localtime():
+            # There is no source to update from or it's too early
             return
 
         lesson_event: LessonEvent = self.amends
         all_members = lesson_event.all_members
 
-        existing_participations = ParticipationStatus.objects.filter(related_documentation=self)
-        if existing_participations.exists():
-            return
-
         new_persons = Person.objects.filter(Q(pk__in=[p.pk for p in all_members])).prefetch_related(
             "member_of"
         )
@@ -730,6 +732,10 @@ class Documentation(CalendarEvent):
             ]
             new_participations.append(participation_status)
         ParticipationStatus.groups_of_person.through.objects.bulk_create(new_groups_of_person)
+
+        self.participation_touched_at = timezone.now()
+        self.save()
+
         return new_participations