feat: add community contribution ranks

apps/events/models.py

@@ -126,11 +126,30 @@ class Registration(BaseModel):
         CANCELLED = 'cancelled', 'Cancelled'
         ATTENDED = 'attended', 'Attended'
 
+    class AttendanceVerificationSource(models.TextChoices):
+        STAFF_ADMIN = 'staff_admin', 'Staff admin'
+        STAFF_API = 'staff_api', 'Staff API'
+        SYSTEM = 'system', 'System'
+        HISTORICAL = 'historical', 'Historical backfill'
+
     event = models.ForeignKey(Event, on_delete=models.CASCADE, related_name='registrations')
     user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='event_registrations')
     registered_at = models.DateTimeField(auto_now_add=True)
     status = models.CharField(max_length=10, choices=StatusChoices.choices,
                               default=StatusChoices.PENDING)
+    attendance_verified_at = models.DateTimeField(null=True, blank=True)
+    attendance_verified_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        related_name='verified_event_attendance',
+    )
+    attendance_verification_source = models.CharField(
+        max_length=20,
+        choices=AttendanceVerificationSource.choices,
+        blank=True,
+    )
     ticket_id = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
 
     confirmation_notification_sent_at = models.DateTimeField(null=True, blank=True)
@@ -193,3 +212,6 @@ class Registration(BaseModel):
                 send_registration_confirmation_notification.delay(str(self.pk))
                 self.confirmation_notification_sent_at = timezone.now()
                 super().save(update_fields=["confirmation_notification_sent_at"])
+
+            from apps.gamification.services import sync_registration_attendance
+            sync_registration_attendance(self)