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- # 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
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