Displayed only permanent and max 2 years old finance resolutions

fet2020/finance/forms.py

@@ -1,3 +1,6 @@
+from datetime import datetime
+from dateutil.relativedelta import relativedelta
+
 from django import forms
 from django.core.validators import ValidationError
 from django.db.models import Count, Q
@@ -406,6 +409,15 @@ class BillAdminForm(forms.ModelForm):
         self.fields["bill_creator"].widget.can_change_related = False
         self.fields["bill_creator"].widget.can_delete_related = False
 
+        # Displayed only permanent and max 2 years old finance resolutions.
+        self.fields["resolution"].queryset = self.fields["resolution"].queryset.filter(
+            (
+                Q(option=Resolution.Option.FINANCE)
+                & Q(date__gt=datetime.now().date() - relativedelta(years=2))
+            )
+            | Q(option=Resolution.Option.PERMANENT)
+        )
+
         # Delete wiref id from list if there are already 10 bills in wiref form.
         qs = (
             self.fields["wiref"].queryset.annotate(num_bills=Count("bill")).filter(num_bills__lt=10)