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# frozen_string_literal: true
class RemoveStatusService < BaseService
include StreamEntryRenderer
def call(status)
@payload = Oj.dump(event: :delete, payload: status.id)
@status = status
@account = status.account
@tags = status.tags.pluck(:name).to_a
@mentions = status.mentions.includes(:account).to_a
@reblogs = status.reblogs.to_a
@stream_entry = status.stream_entry
remove_from_self if status.account.local?
remove_from_followers
remove_reblogs
remove_from_hashtags
remove_from_public
@status.destroy!
return unless @account.local?
remove_from_mentioned(@stream_entry.reload)
Pubsubhubbub::DistributionWorker.perform_async(@stream_entry.id)
end
private
def remove_from_self
unpush(:home, @account, @status)
end
def remove_from_followers
@account.followers.local.find_each do |follower|
unpush(:home, follower, @status)
end
end
def remove_from_mentioned(stream_entry)
salmon_xml = stream_entry_to_xml(stream_entry)
target_accounts = @mentions.map(&:account).reject(&:local?).uniq(&:domain)
NotificationWorker.push_bulk(target_accounts) do |target_account|
[salmon_xml, stream_entry.account_id, target_account.id]
end
end
def remove_reblogs
# We delete reblogs of the status before the original status,
# because once original status is gone, reblogs will disappear
# without us being able to do all the fancy stuff
@reblogs.each do |reblog|
RemoveStatusService.new.call(reblog)
end
end
def unpush(type, receiver, status)
if status.reblog? && !redis.zscore(FeedManager.instance.key(type, receiver.id), status.reblog_of_id).nil?
redis.zadd(FeedManager.instance.key(type, receiver.id), status.reblog_of_id, status.reblog_of_id)
else
redis.zremrangebyscore(FeedManager.instance.key(type, receiver.id), status.id, status.id)
end
Redis.current.publish("timeline:#{receiver.id}", @payload)
end
def remove_from_hashtags
@tags.each do |hashtag|
Redis.current.publish("timeline:hashtag:#{hashtag}", @payload)
Redis.current.publish("timeline:hashtag:#{hashtag}:local", @payload) if @status.local?
end
end
def remove_from_public
Redis.current.publish('timeline:public', @payload)
Redis.current.publish('timeline:public:local', @payload) if @status.local?
end
def redis
Redis.current
end
end
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