feat(search): add configurable default search type via app-config.yaml

Signed-off-by: Vödisch, Alexander <A72749@eon.com>

plugins/search/README.md

@@ -15,6 +15,7 @@ Configure the search query values via `app-config.yaml` to define how it behaves
 ```yaml
 # app-config.yaml
 search:
+  defaultType: 'software-catalog'
   query:
     pageLimit: 50
 ```

plugins/search/config.d.ts

@@ -17,6 +17,11 @@
 export interface Config {
   /** Configuration options for the search plugin */
   search?: {
+    /**
+     * The default search type to be used when no specific type is selected.
+     * @visibility frontend
+     */
+    defaultType?: string;
     /**
      * An object representing the default search query configuration.
      * By configuring and modifying the values of this object,

plugins/search/src/alpha.tsx

@@ -39,6 +39,7 @@ import {
   createExtensionInput,
   PageBlueprint,
   NavItemBlueprint,
+  configApiRef,
 } from '@backstage/frontend-plugin-api';
 
 import {
@@ -139,6 +140,7 @@ export const searchPage = PageBlueprint.makeWithOverrides({
           const { isMobile } = useSidebarPinState();
           const { types } = useSearch();
           const catalogApi = useApi(catalogApiRef);
+          const configApi = useApi(configApiRef);
 
           return (
             <Page themeId="home">
@@ -152,6 +154,9 @@ export const searchPage = PageBlueprint.makeWithOverrides({
                     <Grid item xs={3}>
                       <SearchType.Accordion
                         name="Result Type"
+                        defaultValue={configApi.getOptionalString(
+                          'search.defaultType',
+                        )}
                         showCounts
                         types={[
                           {