mastodon/app/lib/vacuum/media_attachments_vacuum.rb

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# frozen_string_literal: true
class Vacuum::MediaAttachmentsVacuum
TTL = 1.day.freeze
def initialize(retention_period)
@retention_period = retention_period
end
def perform
vacuum_cached_files! if retention_period?
vacuum_orphaned_records!
end
private
def vacuum_cached_files!
media_attachments_past_retention_period.find_each do |media_attachment|
media_attachment.file.destroy
media_attachment.thumbnail.destroy
media_attachment.save
end
end
def vacuum_orphaned_records!
orphaned_media_attachments.in_batches.destroy_all
end
def media_attachments_past_retention_period
MediaAttachment.unscoped.remote.cached.where(MediaAttachment.arel_table[:created_at].lt(@retention_period.ago)).where(MediaAttachment.arel_table[:updated_at].lt(@retention_period.ago))
end
def orphaned_media_attachments
MediaAttachment.unscoped.unattached.where(MediaAttachment.arel_table[:created_at].lt(TTL.ago))
end
def retention_period?
@retention_period.present?
end
end