optimize mapping page by not doing an API call of each mapping

Author: syphax-bouazzouni

app/helpers/mappings_helper.rb

@@ -41,12 +41,13 @@ def onts_and_views_for_select
 
   def get_concept_mappings(concept)
     mappings = concept.explore.mappings
+    all_ontologies = LinkedData::Client::Models::Ontology.all(include: "acronym", display_links: false, display_context: false)
     # Remove mappings where the destination class exists in an ontology that the logged in user doesn't have permissions to view.
     # Workaround for https://github.com/ncbo/ontologies_api/issues/52.
     mappings.delete_if do |mapping|
       mapping.classes.reject! { |cls| (cls.id == concept.id) && (cls.links['ontology'] == concept.links['ontology']) }
-      ont = mapping.classes[0].explore.ontology
-      ont.errors && ont.errors.grep(/Access denied/).any?
+      ont = mapping.classes[0].links['ontology']
+      !all_ontologies.map(&:acronym).include?(ont.split('/').last)
     end
   end