From 0d8a863dab13f331a4d154b9f48783601b5d6811 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Fri, 1 Mar 2024 04:22:28 +0000
Subject: [PATCH] Part Category detail

---
 InvenTree/part/serializers.py                 | 10 ++-
 .../src/pages/part/CategoryDetail.tsx         | 85 ++++++++++++++++++-
 .../src/pages/stock/LocationDetail.tsx        |  4 +-
 3 files changed, 93 insertions(+), 6 deletions(-)

diff --git a/InvenTree/part/serializers.py b/InvenTree/part/serializers.py
index c09504853c..f8dc0b948e 100644
--- a/InvenTree/part/serializers.py
+++ b/InvenTree/part/serializers.py
@@ -74,6 +74,7 @@ class CategorySerializer(InvenTree.serializers.InvenTreeModelSerializer):
             'level',
             'parent',
             'part_count',
+            'subcategories',
             'pathstring',
             'path',
             'starred',
@@ -99,13 +100,18 @@ class CategorySerializer(InvenTree.serializers.InvenTreeModelSerializer):
     def annotate_queryset(queryset):
         """Annotate extra information to the queryset."""
         # Annotate the number of 'parts' which exist in each category (including subcategories!)
-        queryset = queryset.annotate(part_count=part.filters.annotate_category_parts())
+        queryset = queryset.annotate(
+            part_count=part.filters.annotate_category_parts(),
+            subcategories=part.filters.annotate_sub_categories(),
+        )
 
         return queryset
 
     url = serializers.CharField(source='get_absolute_url', read_only=True)
 
-    part_count = serializers.IntegerField(read_only=True)
+    part_count = serializers.IntegerField(read_only=True, label=_('Parts'))
+
+    subcategories = serializers.IntegerField(read_only=True, label=_('Subcategories'))
 
     level = serializers.IntegerField(read_only=True)
 
diff --git a/src/frontend/src/pages/part/CategoryDetail.tsx b/src/frontend/src/pages/part/CategoryDetail.tsx
index 938fe0356e..c602ac5cd3 100644
--- a/src/frontend/src/pages/part/CategoryDetail.tsx
+++ b/src/frontend/src/pages/part/CategoryDetail.tsx
@@ -1,21 +1,24 @@
 import { t } from '@lingui/macro';
-import { LoadingOverlay, Stack, Text } from '@mantine/core';
+import { LoadingOverlay, Skeleton, Stack, Text } from '@mantine/core';
 import {
   IconCategory,
+  IconInfoCircle,
   IconListDetails,
   IconSitemap
 } from '@tabler/icons-react';
 import { useMemo, useState } from 'react';
 import { useParams } from 'react-router-dom';
 
+import { ItemDetailsGrid } from '../../components/details/ItemDetails';
 import { PageDetail } from '../../components/nav/PageDetail';
 import { PanelGroup, PanelType } from '../../components/nav/PanelGroup';
 import { PartCategoryTree } from '../../components/nav/PartCategoryTree';
 import { ApiEndpoints } from '../../enums/ApiEndpoints';
+import { ModelType } from '../../enums/ModelType';
 import { useInstance } from '../../hooks/UseInstance';
+import { DetailsField, DetailsTable } from '../../tables/Details';
 import ParametricPartTable from '../../tables/part/ParametricPartTable';
 import { PartCategoryTable } from '../../tables/part/PartCategoryTable';
-import { PartParameterTable } from '../../tables/part/PartParameterTable';
 import { PartListTable } from '../../tables/part/PartTable';
 
 /**
@@ -45,8 +48,86 @@ export default function CategoryDetail({}: {}) {
     }
   });
 
+  const detailsPanel = useMemo(() => {
+    if (id && instanceQuery.isFetching) {
+      return <Skeleton />;
+    }
+
+    let left: DetailsField[] = [
+      {
+        type: 'text',
+        name: 'name',
+        label: t`Name`,
+        copy: true
+      },
+      {
+        type: 'text',
+        name: 'pathstring',
+        label: t`Path`,
+        icon: 'sitemap',
+        copy: true,
+        hidden: !id
+      },
+      {
+        type: 'text',
+        name: 'description',
+        label: t`Description`,
+        copy: true
+      },
+      {
+        type: 'link',
+        name: 'parent',
+        model_field: 'name',
+        icon: 'location',
+        label: t`Parent Category`,
+        model: ModelType.partcategory,
+        hidden: !category?.parent
+      }
+    ];
+
+    let right: DetailsField[] = [
+      {
+        type: 'text',
+        name: 'part_count',
+        label: t`Parts`,
+        icon: 'part'
+      },
+      {
+        type: 'text',
+        name: 'subcategories',
+        label: t`Subcategories`,
+        icon: 'sitemap',
+        hidden: !category?.subcategories
+      },
+      {
+        type: 'boolean',
+        name: 'structural',
+        label: t`Structural`,
+        icon: 'sitemap'
+      }
+    ];
+
+    return (
+      <ItemDetailsGrid>
+        {id && category?.pk ? (
+          <DetailsTable item={category} fields={left} />
+        ) : (
+          <Text>{t`Top level part category`}</Text>
+        )}
+        {id && category?.pk && <DetailsTable item={category} fields={right} />}
+      </ItemDetailsGrid>
+    );
+  }, [category, instanceQuery]);
+
   const categoryPanels: PanelType[] = useMemo(
     () => [
+      {
+        name: 'details',
+        label: t`Details`,
+        icon: <IconInfoCircle />,
+        content: detailsPanel
+        // hidden: !category?.pk,
+      },
       {
         name: 'parts',
         label: t`Parts`,
diff --git a/src/frontend/src/pages/stock/LocationDetail.tsx b/src/frontend/src/pages/stock/LocationDetail.tsx
index 15edf1ebf6..875664e894 100644
--- a/src/frontend/src/pages/stock/LocationDetail.tsx
+++ b/src/frontend/src/pages/stock/LocationDetail.tsx
@@ -104,12 +104,12 @@ export default function Stock() {
 
     return (
       <ItemDetailsGrid>
-        {id && location ? (
+        {id && location?.pk ? (
           <DetailsTable item={location} fields={left} />
         ) : (
           <Text>{t`Top level stock location`}</Text>
         )}
-        {id && location && <DetailsTable item={location} fields={right} />}
+        {id && location?.pk && <DetailsTable item={location} fields={right} />}
       </ItemDetailsGrid>
     );
   }, [location, instanceQuery]);