forked from treehouse/mastodon
40 lines
969 B
Ruby
40 lines
969 B
Ruby
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# frozen_string_literal: true
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class Vacuum::PreviewCardsVacuum
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TTL = 1.day.freeze
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def initialize(retention_period)
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@retention_period = retention_period
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end
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def perform
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vacuum_cached_images! if retention_period?
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vacuum_orphaned_records!
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end
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private
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def vacuum_cached_images!
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preview_cards_past_retention_period.find_each do |preview_card|
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preview_card.image.destroy
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preview_card.save
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end
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end
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def vacuum_orphaned_records!
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orphaned_preview_cards.in_batches.destroy_all
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end
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def preview_cards_past_retention_period
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PreviewCard.cached.where(PreviewCard.arel_table[:updated_at].lt(@retention_period.ago))
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end
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def orphaned_preview_cards
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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))
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end
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def retention_period?
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@retention_period.present?
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end
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end
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