Refactor tenancy forms

netbox/tenancy/forms/forms.py

@@ -0,0 +1,48 @@
+from django import forms
+from django.utils.translation import gettext as _
+
+from tenancy.models import Tenant, TenantGroup
+from utilities.forms import DynamicModelChoiceField, DynamicModelMultipleChoiceField
+
+__all__ = (
+    'TenancyForm',
+    'TenancyFilterForm',
+)
+
+
+class TenancyForm(forms.Form):
+    tenant_group = DynamicModelChoiceField(
+        queryset=TenantGroup.objects.all(),
+        required=False,
+        null_option='None',
+        initial_params={
+            'tenants': '$tenant'
+        }
+    )
+    tenant = DynamicModelChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False,
+        query_params={
+            'group_id': '$tenant_group'
+        }
+    )
+
+
+class TenancyFilterForm(forms.Form):
+    tenant_group_id = DynamicModelMultipleChoiceField(
+        queryset=TenantGroup.objects.all(),
+        required=False,
+        null_option='None',
+        label=_('Tenant group'),
+        fetch_trigger='open'
+    )
+    tenant_id = DynamicModelMultipleChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False,
+        null_option='None',
+        query_params={
+            'group_id': '$tenant_group_id'
+        },
+        label=_('Tenant'),
+        fetch_trigger='open'
+    )