feat(generate_event_occurrences.py): add management command for manual event occurrences generation

home/management/commands/generate_event_occurrences.py

@@ -0,0 +1,31 @@
+from django.core.management.base import BaseCommand
+from home.models import EventPage, EventOccurrence
+from django.utils import timezone
+from datetime import timedelta
+
+
+class Command(BaseCommand):
+    help = "Generate EventOccurrence objects for all recurring events (for daily cron/task). Also deletes occurrences older than 1 month."
+
+    def handle(self, *args, **options):
+        # Delete occurrences older than 1 month
+        cutoff = timezone.now() - timedelta(days=30)
+        deleted, _ = EventOccurrence.objects.filter(end__lt=cutoff).delete()
+        self.stdout.write(self.style.WARNING(f"Deleted {deleted} old occurrences."))
+
+        all_events = EventPage.objects.filter()
+        recurrent_events = EventPage.objects.filter(recurrence_enabled=True)
+
+        for event in all_events:
+            event.generate_occurrences()
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"Generated occurrences for {all_events.count()} events."
+            )
+        )
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"Processed {recurrent_events.count()} recurring events."
+            )
+        )