From f0e5dc234c1660a02bd95f0f3868f74a2e10efb8 Mon Sep 17 00:00:00 2001
From: Alex Skrenchuk <alexskr@stanford.edu>
Date: Fri, 17 Nov 2023 15:22:21 -0800
Subject: [PATCH] check existance of acroym before fetching details

fixes #129
---
 controllers/ontologies_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/controllers/ontologies_controller.rb b/controllers/ontologies_controller.rb
index fc15d567..18ec14c5 100644
--- a/controllers/ontologies_controller.rb
+++ b/controllers/ontologies_controller.rb
@@ -87,8 +87,8 @@ class OntologiesController < ApplicationController
     get '/:acronym/download' do
       acronym = params["acronym"]
       ont = Ontology.find(acronym).include(Ontology.goo_attrs_to_load).first
-      ont.bring(:viewingRestriction) if ont.bring?(:viewingRestriction)
       error 422, "You must provide an existing `acronym` to download" if ont.nil?
+      ont.bring(:viewingRestriction) if ont.bring?(:viewingRestriction)
       check_access(ont)
       restricted_download = LinkedData::OntologiesAPI.settings.restrict_download.include?(acronym)
       error 403, "License restrictions on download for #{acronym}" if restricted_download && !current_user.admin?