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authorClaire <claire.github-309c@sitedethib.com>2021-03-19 14:34:08 +0100
committerGitHub <noreply@github.com>2021-03-19 14:34:08 +0100
commitc7f04961b6dcb1b7e12136deadcf65076c130c40 (patch)
tree20788cbb86d4ae8d38ce539325205e5f0a1ee344 /app/controllers/concerns/cache_concern.rb
parentba22398c38067e05f141a0dddeb20bf68913988a (diff)
parent3b7b607300d662aa1f25d459ca12aec89ab550e8 (diff)
Merge pull request #1513 from ClearlyClaire/glitch-soc/merge-upstream
Merge upstream changes
Diffstat (limited to 'app/controllers/concerns/cache_concern.rb')
-rw-r--r--app/controllers/concerns/cache_concern.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/app/controllers/concerns/cache_concern.rb b/app/controllers/concerns/cache_concern.rb
index 3fb4b962a..05e431b19 100644
--- a/app/controllers/concerns/cache_concern.rb
+++ b/app/controllers/concerns/cache_concern.rb
@@ -31,7 +31,9 @@ module CacheConcern
   def cache_collection(raw, klass)
     return raw unless klass.respond_to?(:with_includes)
 
-    raw                    = raw.cache_ids.to_a if raw.is_a?(ActiveRecord::Relation)
+    raw = raw.cache_ids.to_a if raw.is_a?(ActiveRecord::Relation)
+    return [] if raw.empty?
+
     cached_keys_with_value = Rails.cache.read_multi(*raw).transform_keys(&:id)
     uncached_ids           = raw.map(&:id) - cached_keys_with_value.keys