From 5fc40c74e25e4aa4dce6d484ba17e8c1b4bea5ee Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Thu, 20 Mar 2025 13:20:10 -0700
Subject: [PATCH] 16224 update table display

---
 netbox/dcim/tables/racks.py | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/netbox/dcim/tables/racks.py b/netbox/dcim/tables/racks.py
index 610dc1a32..ee0df9891 100644
--- a/netbox/dcim/tables/racks.py
+++ b/netbox/dcim/tables/racks.py
@@ -1,6 +1,7 @@
 from django.utils.translation import gettext_lazy as _
 import django_tables2 as tables
 from django_tables2.utils import Accessor
+from django.utils.safestring import mark_safe
 
 from dcim.models import Rack, RackReservation, RackRole, RackType
 from netbox.tables import NetBoxTable, columns
@@ -15,6 +16,19 @@ __all__ = (
 )
 
 
+class OuterUnitColumn(tables.Column):
+    """
+    Render a model's outer unit value with unit designation or placeholder if the value is None.
+    """
+    DEFAULT_BG_COLOR = 'secondary'
+
+    def render(self, record, value):
+        if value is None:
+            return mark_safe('<span class="text-muted">&mdash;</span>')
+
+        return mark_safe(f'{value} {record.outer_unit}')
+
+
 #
 # Rack roles
 #
@@ -62,16 +76,13 @@ class RackTypeTable(NetBoxTable):
         template_code="{{ value }}U",
         verbose_name=_('Height')
     )
-    outer_width = tables.TemplateColumn(
-        template_code="{{ record.outer_width }} {{ record.outer_unit }}",
+    outer_width = OuterUnitColumn(
         verbose_name=_('Outer Width')
     )
-    outer_height = tables.TemplateColumn(
-        template_code="{{ record.outer_height }} {{ record.outer_unit }}",
+    outer_height = OuterUnitColumn(
         verbose_name=_('Outer Height')
     )
-    outer_depth = tables.TemplateColumn(
-        template_code="{{ record.outer_depth }} {{ record.outer_unit }}",
+    outer_depth = OuterUnitColumn(
         verbose_name=_('Outer Depth')
     )
     weight = columns.TemplateColumn(
@@ -163,16 +174,13 @@ class RackTable(TenancyColumnsMixin, ContactsColumnMixin, NetBoxTable):
     tags = columns.TagColumn(
         url_name='dcim:rack_list'
     )
-    outer_width = tables.TemplateColumn(
-        template_code="{{ record.outer_width }} {{ record.outer_unit }}",
+    outer_width = OuterUnitColumn(
         verbose_name=_('Outer Width')
     )
-    outer_height = tables.TemplateColumn(
-        template_code="{{ record.outer_height }} {{ record.outer_unit }}",
+    outer_height = OuterUnitColumn(
         verbose_name=_('Outer Height')
     )
-    outer_depth = tables.TemplateColumn(
-        template_code="{{ record.outer_depth }} {{ record.outer_unit }}",
+    outer_depth = OuterUnitColumn(
         verbose_name=_('Outer Depth')
     )
     weight = columns.TemplateColumn(