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