Order mnt_by without duplicates

whoisdb/forms.py

@@ -1,9 +1,10 @@
 from django import forms
-from django.db.models import Case, When, IntegerField
+from django.db.models import Q
 
 from .models import Maintainer, Contact, InetNum, ASBlock, ASNumber
 from .validators import HandleValidatorWithSuffix, IP46CIDRValidator
 from .formfields import MultiTextInput
+from .helpers import orderQueryset
 
 import ipaddress
 

whoisdb/helpers.py

@@ -1,7 +1,7 @@
 import whoisdb.models
 import domains.models
 
-from django.db.models import F
+from django.db.models import F, When, Max, Case, IntegerField
 
 import ipaddress
 import re
@@ -150,3 +150,16 @@ def findHandleFromStr(rawValue):
 			pass
 
 	return None
+
+
+def orderQueryset(qs, userOwned, objOwned):
+	# when for 
+	whens = [When(userOwned, then=2)]
+	if objOwned:
+		# add existing
+		whens.append(When(objOwned, then=1))
+
+	qs = qs.annotate(card=Max(Case(*whens, default=0, output_field=IntegerField()))).order_by("-card")
+
+	return qs
+