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- # frozen_string_literal: true
- class Vacuum::StatusesVacuum
- include Redisable
- def initialize(retention_period)
- @retention_period = retention_period
- end
- def perform
- vacuum_statuses! if retention_period?
- end
- private
- def vacuum_statuses!
- statuses_scope.find_in_batches do |statuses|
- # Side-effects not covered by foreign keys, such
- # as the search index, must be handled first.
- remove_from_account_conversations(statuses)
- remove_from_search_index(statuses)
- # Foreign keys take care of most associated records
- # for us. Media attachments will be orphaned.
- Status.where(id: statuses.map(&:id)).delete_all
- end
- end
- def statuses_scope
- Status.unscoped.kept.where(account: Account.remote).where(Status.arel_table[:id].lt(retention_period_as_id)).select(:id, :visibility)
- end
- def retention_period_as_id
- Mastodon::Snowflake.id_at(@retention_period.ago, with_random: false)
- end
- def analyze_statuses!
- ActiveRecord::Base.connection.execute('ANALYZE statuses')
- end
- def remove_from_account_conversations(statuses)
- Status.where(id: statuses.select(&:direct_visibility?).map(&:id)).includes(:account, mentions: :account).each(&:unlink_from_conversations)
- end
- def remove_from_search_index(statuses)
- with_redis { |redis| redis.sadd('chewy:queue:StatusesIndex', statuses.map(&:id)) } if Chewy.enabled?
- end
- def retention_period?
- @retention_period.present?
- end
- end
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