From c103f0c100ad5ec28d987599a0d7c87b35adb007 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sat, 19 Mar 2022 22:12:57 +1100
Subject: [PATCH] Do not generate parameter data on the server side when
 rendering part category templates

---
 InvenTree/part/api.py                       |  4 ++--
 InvenTree/part/templates/part/category.html |  3 +--
 InvenTree/part/views.py                     | 16 ----------------
 3 files changed, 3 insertions(+), 20 deletions(-)

diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index 684704d41f..3a2bb6eeb3 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -1434,12 +1434,12 @@ class PartParameterTemplateList(generics.ListCreateAPIView):
                 queryset = queryset.filter(pk__in=[el[0] for el in template_ids])
             except (ValueError, Part.DoesNotExist):
                 pass
-        
+
         # Filtering against a "PartCategory" - return only parameter templates which are referenced by parts in this category
         category = params.get('category', None)
 
         if category is not None:
-            
+
             try:
                 category = PartCategory.objects.get(pk=category)
                 cats = category.get_descendants(include_self=True)
diff --git a/InvenTree/part/templates/part/category.html b/InvenTree/part/templates/part/category.html
index 8bc045642c..6a61ef2fbf 100644
--- a/InvenTree/part/templates/part/category.html
+++ b/InvenTree/part/templates/part/category.html
@@ -227,8 +227,7 @@
         loadParametricPartTable(
             "#parametric-part-table",
             { 
-                headers: {{ headers|safe }},
-                data: {{ parameters|safe }},
+                category: {{ category.pk }},
             }
         );
     });
diff --git a/InvenTree/part/views.py b/InvenTree/part/views.py
index fb45db8f07..9f3cd07f7c 100644
--- a/InvenTree/part/views.py
+++ b/InvenTree/part/views.py
@@ -988,22 +988,6 @@ class CategoryDetail(InvenTreeRoleMixin, DetailView):
         category = kwargs.get('object', None)
 
         if category:
-            cascade = kwargs.get('cascade', True)
-
-            # Prefetch parts parameters
-            parts_parameters = category.prefetch_parts_parameters(cascade=cascade)
-
-            # Get table headers (unique parameters names)
-            context['headers'] = category.get_unique_parameters(cascade=cascade,
-                                                                prefetch=parts_parameters)
-
-            # Insert part information
-            context['headers'].insert(0, 'description')
-            context['headers'].insert(0, 'part')
-
-            # Get parameters data
-            context['parameters'] = category.get_parts_parameters(cascade=cascade,
-                                                                  prefetch=parts_parameters)
 
             # Insert "starred" information
             context['starred'] = category.is_starred_by(self.request.user)