92 lines
2.6 KiB
Ruby
92 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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class RemoveStatusService < BaseService
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include Redisable
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def call(status, **options)
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@payload = Oj.dump(event: :delete, payload: status.id.to_s)
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@status = status
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@account = status.account
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@tags = status.tags.pluck(:name).to_a
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@mentions = status.active_mentions.includes(:account).to_a
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@reblogs = status.reblogs.includes(:account).to_a
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@options = options
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RedisLock.acquire(lock_options) do |lock|
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if lock.acquired?
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remove_from_self if status.account.local?
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remove_from_followers
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remove_from_lists
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remove_from_affected
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remove_reblogs
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remove_from_hashtags
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remove_from_pro
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@status.destroy!
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else
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raise GabSocial::RaceConditionError
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end
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end
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# There is no reason to send out Undo activities when the
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# cause is that the original object has been removed, since
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# original object being removed implicitly removes reblogs
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# of it. The Delete activity of the original is forwarded
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# separately.
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return if !@account.local? || @options[:original_removed]
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end
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private
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def remove_from_self
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FeedManager.instance.unpush_from_home(@account, @status)
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end
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def remove_from_followers
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@account.followers_for_local_distribution.reorder(nil).find_each do |follower|
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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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def remove_from_lists
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@account.lists_for_local_distribution.select(:id, :account_id).reorder(nil).find_each do |list|
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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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def remove_from_affected
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@mentions.map(&:account).select(&:local?).each do |account|
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redis.publish("timeline:#{account.id}", @payload)
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end
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end
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def remove_reblogs
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# We delete reblogs of the status before the original status,
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# because once original status is gone, reblogs will disappear
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# without us being able to do all the fancy stuff
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@reblogs.each do |reblog|
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RemoveStatusService.new.call(reblog, original_removed: true)
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end
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end
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def remove_from_hashtags
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return unless @status.public_visibility?
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@tags.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 remove_from_pro
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if @account.is_pro || @account.is_donor || @account.is_investor || @account.is_verified
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redis.publish('timeline:pro', @payload)
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end
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end
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def lock_options
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{ redis: Redis.current, key: "distribute:#{@status.id}" }
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end
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end
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