From 9fc65bbc38283f3310e4f22e7f3f695bf68db9f6 Mon Sep 17 00:00:00 2001
From: Brian Fletcher <brian@roadie.io>
Date: Thu, 12 Jan 2023 07:45:25 +0000
Subject: [PATCH] add entity switch case

Signed-off-by: Brian Fletcher <brian@roadie.io>
---
 .../app/src/components/catalog/EntityPage.tsx | 11 +++++--
 .../components/EntityLabelsCard/conditions.ts | 29 +++++++++++++++++++
 .../src/components/EntityLabelsCard/index.ts  |  1 +
 plugins/catalog/src/index.ts                  |  1 +
 4 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 plugins/catalog/src/components/EntityLabelsCard/conditions.ts

diff --git a/packages/app/src/components/catalog/EntityPage.tsx b/packages/app/src/components/catalog/EntityPage.tsx
index 447183298a..3566800f0b 100644
--- a/packages/app/src/components/catalog/EntityPage.tsx
+++ b/packages/app/src/components/catalog/EntityPage.tsx
@@ -60,6 +60,7 @@ import {
   isComponentType,
   isKind,
   isOrphan,
+  hasLabels,
 } from '@internal/plugin-catalog-customized';
 import {
   Direction,
@@ -365,9 +366,13 @@ const overviewContent = (
       <EntityLinksCard />
     </Grid>
 
-    <Grid item md={4} xs={12}>
-      <EntityLabelsCard />
-    </Grid>
+    <EntitySwitch>
+      <EntitySwitch.Case if={hasLabels}>
+        <Grid item md={4} xs={12}>
+          <EntityLabelsCard />
+        </Grid>
+      </EntitySwitch.Case>
+    </EntitySwitch>
 
     {cicdCard}
 
diff --git a/plugins/catalog/src/components/EntityLabelsCard/conditions.ts b/plugins/catalog/src/components/EntityLabelsCard/conditions.ts
new file mode 100644
index 0000000000..fb4678cded
--- /dev/null
+++ b/plugins/catalog/src/components/EntityLabelsCard/conditions.ts
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Entity } from '@backstage/catalog-model';
+
+/**
+ * Returns true if the given entity has labels annotation given by the
+ * catalog. For use by EntitySwitch
+ *
+ * @public
+ */
+export function hasLabels(entity: Entity) {
+  return entity?.metadata?.labels
+    ? Object.keys(entity?.metadata?.labels).some(Boolean)
+    : false;
+}
diff --git a/plugins/catalog/src/components/EntityLabelsCard/index.ts b/plugins/catalog/src/components/EntityLabelsCard/index.ts
index f7629a766d..bb8570d67c 100644
--- a/plugins/catalog/src/components/EntityLabelsCard/index.ts
+++ b/plugins/catalog/src/components/EntityLabelsCard/index.ts
@@ -15,3 +15,4 @@
  */
 
 export { EntityLabelsCard } from './EntityLabelsCard';
+export * from './conditions';
diff --git a/plugins/catalog/src/index.ts b/plugins/catalog/src/index.ts
index 8d32de9a06..7de332cf51 100644
--- a/plugins/catalog/src/index.ts
+++ b/plugins/catalog/src/index.ts
@@ -37,6 +37,7 @@ export * from './components/EntityProcessingErrorsPanel';
 export * from './components/EntitySwitch';
 export * from './components/FilteredEntityLayout';
 export * from './overridableComponents';
+export * from './components/EntityLabelsCard';
 export {
   CatalogEntityPage,
   CatalogIndexPage,