compatible with previous json rendering

weed/server/filer_server_handlers_read_dir.go

@@ -46,7 +46,22 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 
 	glog.V(4).Infof("listDirectory %s, last file %s, limit %d: %d items", path, lastFileName, limit, len(entries))
 
-	args := struct {
+	if r.Header.Get("Accept") == "application/json" {
+		writeJsonQuiet(w, r, http.StatusOK, struct {
+			Path                  string
+			Entries               interface{}
+			Limit                 int
+			LastFileName          string
+			ShouldDisplayLoadMore bool
+		}{
+			path,
+			entries,
+			limit,
+			lastFileName,
+			shouldDisplayLoadMore,
+		})
+	} else {
+		ui.StatusTpl.Execute(w, struct {
 			Path                  string
 			Breadcrumbs           []ui.Breadcrumb
 			Entries               interface{}
@@ -60,11 +75,6 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 			limit,
 			lastFileName,
 			shouldDisplayLoadMore,
-	}
-
-	if r.Header.Get("Accept") == "application/json" {
-		writeJsonQuiet(w, r, http.StatusOK, args)
-	} else {
-		ui.StatusTpl.Execute(w, args)
+		})
 	}
 }