1 files changed, 30 insertions, 0 deletions
diff --git a/app/lib/vacuum/preview_cards_vacuum.rb b/app/lib/vacuum/preview_cards_vacuum.rb
new file mode 100644
index 000000000..14fdeda1c
--- /dev/null
+++ b/app/lib/vacuum/preview_cards_vacuum.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class Vacuum::PreviewCardsVacuum
+  TTL = 1.day.freeze
+
+  def initialize(retention_period)
+    @retention_period = retention_period
+  end
+
+  def perform
+    vacuum_cached_images! if retention_period?
+  end
+
+  private
+
+  def vacuum_cached_images!
+    preview_cards_past_retention_period.find_each do |preview_card|
+      preview_card.image.destroy
+      preview_card.save
+    end
+  end
+
+  def preview_cards_past_retention_period
+    PreviewCard.cached.where(PreviewCard.arel_table[:updated_at].lt(@retention_period.ago))
+  end
+
+  def retention_period?
+    @retention_period.present?
+  end
+end