diff options
Diffstat (limited to 'app/lib/vacuum/preview_cards_vacuum.rb')
-rw-r--r-- | app/lib/vacuum/preview_cards_vacuum.rb | 39 |
1 files changed, 39 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..84ef100ed --- /dev/null +++ b/app/lib/vacuum/preview_cards_vacuum.rb @@ -0,0 +1,39 @@ +# 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? + vacuum_orphaned_records! + 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 vacuum_orphaned_records! + orphaned_preview_cards.in_batches.destroy_all + end + + def preview_cards_past_retention_period + PreviewCard.cached.where(PreviewCard.arel_table[:updated_at].lt(@retention_period.ago)) + end + + def orphaned_preview_cards + PreviewCard.where('NOT EXISTS (SELECT 1 FROM preview_cards_statuses WHERE preview_cards_statuses.preview_card_id = preview_cards.id)').where(PreviewCard.arel_table[:created_at].lt(TTL.ago)) + end + + def retention_period? + @retention_period.present? + end +end |