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https://github.com/funamitech/mastodon
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ae62e5fa53
* fix(status): remove send usage for private unlink_from_conversations - make unlink_from_conversations public method - rename unlink_from_conversations to unlink_from_conversations! - fix send call on private method in statuses_vacuum and batched_remove_status_service * fix(feeds_vacuum): replace find_in_batches with in_batches because active record query results should be a little more efficient than itterating with map and each. Postgres can grasp such lists of ids much quicker than ruby can. Will probably make allmost no difference, but cannot hurt either.
92 lines
3.5 KiB
Ruby
92 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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class BatchedRemoveStatusService < BaseService
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include Redisable
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# Delete multiple statuses and reblogs of them as efficiently as possible
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# @param [Enumerable<Status>] statuses An array of statuses
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# @param [Hash] options
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# @option [Boolean] :skip_side_effects Do not modify feeds and send updates to streaming API
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def call(statuses, **options)
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ActiveRecord::Associations::Preloader.new.preload(statuses, options[:skip_side_effects] ? :reblogs : [:account, :tags, reblogs: :account])
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statuses_and_reblogs = statuses.flat_map { |status| [status] + status.reblogs }
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# The conversations for direct visibility statuses also need
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# to be manually updated. This part is not efficient but we
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# rely on direct visibility statuses being relatively rare.
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statuses_with_account_conversations = statuses.select(&:direct_visibility?)
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ActiveRecord::Associations::Preloader.new.preload(statuses_with_account_conversations, [mentions: :account])
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statuses_with_account_conversations.each(&:unlink_from_conversations!)
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# We do not batch all deletes into one to avoid having a long-running
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# transaction lock the database, but we use the delete method instead
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# of destroy to avoid all callbacks. We rely on foreign keys to
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# cascade the delete faster without loading the associations.
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statuses_and_reblogs.each_slice(50) { |slice| Status.where(id: slice.map(&:id)).delete_all }
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# Since we skipped all callbacks, we also need to manually
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# deindex the statuses
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Chewy.strategy.current.update(StatusesIndex, statuses_and_reblogs) if Chewy.enabled?
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return if options[:skip_side_effects]
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# Batch by source account
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statuses_and_reblogs.group_by(&:account_id).each_value do |account_statuses|
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account = account_statuses.first.account
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next unless account
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unpush_from_home_timelines(account, account_statuses)
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unpush_from_list_timelines(account, account_statuses)
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end
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# Cannot be batched
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@status_id_cutoff = Mastodon::Snowflake.id_at(2.weeks.ago)
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redis.pipelined do
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statuses.each do |status|
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unpush_from_public_timelines(status)
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end
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end
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end
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private
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def unpush_from_home_timelines(account, statuses)
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account.followers_for_local_distribution.includes(:user).reorder(nil).find_each do |follower|
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statuses.each do |status|
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FeedManager.instance.unpush_from_home(follower, status)
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end
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end
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end
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def unpush_from_list_timelines(account, statuses)
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account.lists_for_local_distribution.select(:id, :account_id).includes(account: :user).reorder(nil).find_each do |list|
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statuses.each do |status|
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FeedManager.instance.unpush_from_list(list, status)
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end
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end
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end
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def unpush_from_public_timelines(status)
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return unless status.public_visibility? && status.id > @status_id_cutoff
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payload = Oj.dump(event: :delete, payload: status.id.to_s)
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redis.publish('timeline:public', payload)
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redis.publish(status.local? ? 'timeline:public:local' : 'timeline:public:remote', payload)
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if status.media_attachments.any?
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redis.publish('timeline:public:media', payload)
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redis.publish(status.local? ? 'timeline:public:local:media' : 'timeline:public:remote:media', payload)
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end
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status.tags.map { |tag| tag.name.mb_chars.downcase }.each do |hashtag|
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redis.publish("timeline:hashtag:#{hashtag}", payload)
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redis.publish("timeline:hashtag:#{hashtag}:local", payload) if status.local?
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end
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end
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end
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