Fix search error when ElasticSearch is enabled but not available (#11954)

* Fallback to Database search when ES not available

* Prevent double work if ES gives 0 result

* Apply suggestion from code review

1 files changed, 5 insertions, 5 deletions

diff --git a/app/services/account_search_service.rb b/app/services/account_search_service.rb
index 01caaefa9..40c5f8590 100644
--- a/app/services/account_search_service.rb
+++ b/app/services/account_search_service.rb
@@ -42,11 +42,9 @@ class AccountSearchService < BaseService
     return [] if limit_for_non_exact_results.zero?
 
     @search_results ||= begin
-      if Chewy.enabled?
-        from_elasticsearch
-      else
-        from_database
-      end
+      results = from_elasticsearch if Chewy.enabled?
+      results ||= from_database
+      results
     end
   end
 
@@ -92,6 +90,8 @@ class AccountSearchService < BaseService
     ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
 
     records
+  rescue Faraday::ConnectionFailed, Parslet::ParseFailed
+    nil
   end
 
   def reputation_score_function