feat(search): add global titlebar search filters

src/govoplan_search/backend/router.py

@@ -18,6 +18,7 @@ from govoplan_search.backend.schemas import (
     SearchProviderListResponse,
     SearchProviderResponse,
     SearchRebuildResponse,
+    SearchResourceTypeResponse,
     SearchResponse,
     SearchResultResponse,
 )
@@ -68,6 +69,37 @@ def _service(registry: PlatformRegistry) -> SearchIndexService:
     return capability
 
 
+def _search_resource_catalogue(
+    registry: PlatformRegistry,
+) -> list[SearchResourceTypeResponse]:
+    resources = {
+        (
+            descriptor.module_id,
+            descriptor.resource_type,
+            descriptor.provider_id,
+        ): SearchResourceTypeResponse(
+            provider_id=descriptor.provider_id,
+            module_id=descriptor.module_id,
+            resource_type=descriptor.resource_type,
+            label=descriptor.label,
+            order=registered.registration.order,
+        )
+        for registered, source in registry.search_sources()
+        for descriptor in source.resource_types()
+    }
+    return [
+        resources[key]
+        for key in sorted(
+            resources,
+            key=lambda item: (
+                resources[item].order,
+                resources[item].label.casefold(),
+                item,
+            ),
+        )
+    ]
+
+
 @router.get("", response_model=SearchResponse)
 def api_search(
     request: Request,
@@ -152,7 +184,8 @@ def api_search_providers(
     principal: ApiPrincipal = Depends(get_api_principal),
 ) -> SearchProviderListResponse:
     _require_read(principal)
-    registrations = _registry(request).search_provider_registrations()
+    registry = _registry(request)
+    registrations = registry.search_provider_registrations()
     return SearchProviderListResponse(
         providers=[
             SearchProviderResponse(
@@ -162,7 +195,8 @@ def api_search_providers(
                 order=item.registration.order,
             )
             for item in registrations
-        ]
+        ],
+        resources=_search_resource_catalogue(registry),
     )