fix(api): return correct json info after updating datasource

closes #6869

pkg/api/api.go

@@ -193,7 +193,7 @@ func Register(r *macaron.Macaron) {
 		r.Group("/datasources", func() {
 			r.Get("/", GetDataSources)
 			r.Post("/", quota("data_source"), bind(m.AddDataSourceCommand{}), AddDataSource)
-			r.Put("/:id", bind(m.UpdateDataSourceCommand{}), UpdateDataSource)
+			r.Put("/:id", bind(m.UpdateDataSourceCommand{}), wrap(UpdateDataSource))
 			r.Delete("/:id", DeleteDataSource)
 			r.Get("/:id", wrap(GetDataSourceById))
 			r.Get("/name/:name", wrap(GetDataSourceByName))

pkg/api/datasources.go

@@ -117,7 +117,7 @@ func UpdateDataSource(c *middleware.Context, cmd m.UpdateDataSourceCommand) Resp
 		return ApiError(500, "Failed to update datasource", err)
 	}
 
-	return Json(200, "Datasource updated")
+	return Json(200, util.DynMap{"message": "Datasource updated"})
 }
 
 func fillWithSecureJsonData(cmd *m.UpdateDataSourceCommand) error {