[ADD] sentinel user and migrate fleetactivitytracking

allianceauth/fleetactivitytracking/migrations/0007_sentinel_user.py

@@ -0,0 +1,26 @@
+"""
+Migration to AA Framework API method
+"""
+
+from django.conf import settings
+from django.db import migrations, models
+
+import allianceauth.framework.api.user
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("fleetactivitytracking", "0006_auto_20180803_0430"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="fatlink",
+            name="creator",
+            field=models.ForeignKey(
+                on_delete=models.SET(allianceauth.framework.api.user.get_sentinel_user),
+                to=settings.AUTH_USER_MODEL
+            ),
+        ),
+    ]

allianceauth/fleetactivitytracking/models.py

@@ -3,10 +3,7 @@ from django.db import models
 from django.utils import timezone
 
 from allianceauth.eveonline.models import EveCharacter
-
-
-def get_sentinel_user():
-    return User.objects.get_or_create(username='deleted')[0]
+from allianceauth.framework.api.user import get_sentinel_user
 
 
 class Fatlink(models.Model):