140 lines
4.3 KiB
Ruby
140 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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class FanOutOnWriteService < BaseService
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include Redisable
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# Push a status into home and mentions feeds
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# @param [Status] status
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# @param [Hash] options
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# @option options [Boolean] update
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# @option options [Array<Integer>] silenced_account_ids
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def call(status, options = {})
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@status = status
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@account = status.account
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@options = options
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check_race_condition!
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fan_out_to_local_recipients!
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fan_out_to_public_streams! if broadcastable?
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end
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private
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def check_race_condition!
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# I don't know why but at some point we had an issue where
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# this service was being executed with status objects
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# that had a null visibility - which should not be possible
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# since the column in the database is not nullable.
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#
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# This check re-queues the service to be run at a later time
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# with the full object, if something like it occurs
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raise Mastodon::RaceConditionError if @status.visibility.nil?
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end
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def fan_out_to_local_recipients!
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deliver_to_self!
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notify_mentioned_accounts!
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notify_about_update! if update?
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case @status.visibility.to_sym
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when :public, :unlisted, :private
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deliver_to_all_followers!
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deliver_to_lists!
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when :limited
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deliver_to_mentioned_followers!
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else
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deliver_to_mentioned_followers!
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deliver_to_conversation!
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end
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end
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def fan_out_to_public_streams!
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broadcast_to_hashtag_streams!
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broadcast_to_public_streams!
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end
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def deliver_to_self!
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FeedManager.instance.push_to_home(@account, @status, update: update?) if @account.local?
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end
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def notify_mentioned_accounts!
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@status.active_mentions.where.not(id: @options[:silenced_account_ids] || []).joins(:account).merge(Account.local).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
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LocalNotificationWorker.push_bulk(mentions) do |mention|
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[mention.account_id, mention.id, 'Mention', 'mention']
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end
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end
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end
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def notify_about_update!
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@status.reblogged_by_accounts.merge(Account.local).select(:id).reorder(nil).find_in_batches do |accounts|
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LocalNotificationWorker.push_bulk(accounts) do |account|
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[account.id, @status.id, 'Status', 'update']
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end
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end
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end
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def deliver_to_all_followers!
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@account.followers_for_local_distribution.select(:id).reorder(nil).find_in_batches do |followers|
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FeedInsertWorker.push_bulk(followers) do |follower|
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[@status.id, follower.id, 'home', { 'update' => update? }]
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end
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end
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end
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def deliver_to_lists!
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@account.lists_for_local_distribution.select(:id).reorder(nil).find_in_batches do |lists|
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FeedInsertWorker.push_bulk(lists) do |list|
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[@status.id, list.id, 'list', { 'update' => update? }]
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end
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end
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end
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def deliver_to_mentioned_followers!
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@status.mentions.joins(:account).merge(@account.followers_for_local_distribution).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
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FeedInsertWorker.push_bulk(mentions) do |mention|
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[@status.id, mention.account_id, 'home', { 'update' => update? }]
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end
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end
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end
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def broadcast_to_hashtag_streams!
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@status.tags.pluck(:name).each do |hashtag|
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redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", anonymous_payload)
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redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", anonymous_payload) if @status.local?
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end
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end
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def broadcast_to_public_streams!
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return if @status.reply? && @status.in_reply_to_account_id != @account.id
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redis.publish('timeline:public', anonymous_payload)
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redis.publish(@status.local? ? 'timeline:public:local' : 'timeline:public:remote', anonymous_payload)
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if @status.with_media?
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redis.publish('timeline:public:media', anonymous_payload)
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redis.publish(@status.local? ? 'timeline:public:local:media' : 'timeline:public:remote:media', anonymous_payload)
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end
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end
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def deliver_to_conversation!
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AccountConversation.add_status(@account, @status) unless update?
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end
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def anonymous_payload
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@anonymous_payload ||= Oj.dump(
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event: update? ? :'status.update' : :update,
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payload: InlineRenderer.render(@status, nil, :status)
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)
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end
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def update?
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@options[:update]
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end
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def broadcastable?
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@status.public_visibility? && !@status.reblog? && !@account.silenced?
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end
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end
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