Added support sys view path type to Viewer backend

Author: n00bcracker

ydb/core/viewer/browse.h

@@ -213,6 +213,7 @@ class TBrowse : public TActorBootstrapped<TBrowse> {
         case NKikimrViewer::EObjectType::Root:
         case NKikimrViewer::EObjectType::Directory:
         case NKikimrViewer::EObjectType::Table:
+        case NKikimrViewer::EObjectType::SysView:
             {
                 const auto* domainsInfo = AppData(ctx)->DomainsInfo.Get();
                 if (!domainsInfo || !TxProxy) {

ydb/core/viewer/json_handlers_browse.cpp

@@ -14,6 +14,11 @@ void SetupDBVirtualHandlers(IViewer* viewer) {
         [] (const TActorId& owner, const IViewer::TBrowseContext& browseContext) -> IActor* {
             return new NViewerDB::TBrowseTable(owner, browseContext);
         });
+    viewer->RegisterVirtualHandler(
+        NKikimrViewer::EObjectType::SysView,
+        [] (const TActorId& owner, const IViewer::TBrowseContext& browseContext) -> IActor* {
+            return new NViewerDB::TBrowseTable(owner, browseContext);
+        });
 }
 
 void InitViewerMetaInfoJsonHandler(TJsonHandlers& handlers) {

ydb/core/viewer/protos/viewer.proto

@@ -776,6 +776,7 @@ enum EAutocompleteType {
     view = 20;
     column = 21;
     index = 22;
+    sys_view = 23;
 }
 
 message TQueryAutocomplete {

ydb/core/viewer/viewer_autocomplete.h

@@ -231,6 +231,8 @@ class TJsonAutocomplete : public TViewerPipeClient {
                 return NKikimrViewer::file_store;
             case TNavigate::KindView:
                 return NKikimrViewer::view;
+            case TNavigate::KindSysView:
+                return NKikimrViewer::sys_view;
             default:
                 return NKikimrViewer::dir;
         }

ydb/core/viewer/viewer_describe.h

@@ -148,6 +148,8 @@ class TJsonDescribe : public TViewerPipeClient {
                 return NKikimrSchemeOp::EPathTypeFileStore;
             case TNavigate::KindView:
                 return NKikimrSchemeOp::EPathTypeView;
+            case TNavigate::KindSysView:
+                return NKikimrSchemeOp::EPathTypeSysView;
             default:
                 return NKikimrSchemeOp::EPathTypeDir;
         }