90528f43bc
Conflicts: - `config/webpack/configuration.js`: Upstream updated the `js-yaml` dependency, which changed how to call it. Those changes conflicted because that code is pretty different in glitch-soc which has to deal with its more complex theming system. Proceeded to the same compatibility changes in glitch-soc's code. - `package.json` and `yarn.lock`: Not really a conflict, just glitch-soc-specific dependencies textually too close to some dependencies updated upstream.
100 lines
3.8 KiB
Ruby
100 lines
3.8 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 do |status|
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status.send(:unlink_from_conversations)
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unpush_from_direct_timelines(status)
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end
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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::Status, 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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def unpush_from_direct_timelines(status)
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status.mentions.each do |mention|
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FeedManager.instance.unpush_from_direct(mention.account, status) if mention.account.local?
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end
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end
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end
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