forked from asonix/mastodon
153 lines
4.7 KiB
Ruby
153 lines
4.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class RemoveStatusService < BaseService
|
|
include Redisable
|
|
include Payloadable
|
|
|
|
def call(status, **options)
|
|
@payload = Oj.dump(event: :delete, payload: status.id.to_s)
|
|
@status = status
|
|
@account = status.account
|
|
@tags = status.tags.pluck(:name).to_a
|
|
@mentions = status.active_mentions.includes(:account).to_a
|
|
@reblogs = status.reblogs.includes(:account).to_a
|
|
@options = options
|
|
|
|
RedisLock.acquire(lock_options) do |lock|
|
|
if lock.acquired?
|
|
remove_from_self if status.account.local?
|
|
remove_from_followers
|
|
remove_from_lists
|
|
remove_from_affected
|
|
remove_reblogs
|
|
remove_from_hashtags
|
|
remove_from_public
|
|
remove_from_media if status.media_attachments.any?
|
|
remove_from_spam_check
|
|
|
|
@status.destroy!
|
|
else
|
|
raise Mastodon::RaceConditionError
|
|
end
|
|
end
|
|
|
|
# There is no reason to send out Undo activities when the
|
|
# cause is that the original object has been removed, since
|
|
# original object being removed implicitly removes reblogs
|
|
# of it. The Delete activity of the original is forwarded
|
|
# separately.
|
|
return if !@account.local? || @options[:original_removed]
|
|
|
|
remove_from_remote_followers
|
|
remove_from_remote_affected
|
|
end
|
|
|
|
private
|
|
|
|
def remove_from_self
|
|
FeedManager.instance.unpush_from_home(@account, @status)
|
|
end
|
|
|
|
def remove_from_followers
|
|
@account.followers_for_local_distribution.reorder(nil).find_each do |follower|
|
|
FeedManager.instance.unpush_from_home(follower, @status)
|
|
end
|
|
end
|
|
|
|
def remove_from_lists
|
|
@account.lists_for_local_distribution.select(:id, :account_id).reorder(nil).find_each do |list|
|
|
FeedManager.instance.unpush_from_list(list, @status)
|
|
end
|
|
end
|
|
|
|
def remove_from_affected
|
|
@mentions.map(&:account).select(&:local?).each do |account|
|
|
redis.publish("timeline:#{account.id}", @payload)
|
|
end
|
|
end
|
|
|
|
def remove_from_remote_affected
|
|
# People who got mentioned in the status, or who
|
|
# reblogged it from someone else might not follow
|
|
# the author and wouldn't normally receive the
|
|
# delete notification - so here, we explicitly
|
|
# send it to them
|
|
|
|
target_accounts = (@mentions.map(&:account).reject(&:local?) + @reblogs.map(&:account).reject(&:local?))
|
|
target_accounts << @status.reblog.account if @status.reblog? && !@status.reblog.account.local?
|
|
target_accounts.uniq!(&:id)
|
|
|
|
# ActivityPub
|
|
ActivityPub::DeliveryWorker.push_bulk(target_accounts.select(&:activitypub?).uniq(&:preferred_inbox_url)) do |target_account|
|
|
[signed_activity_json, @account.id, target_account.preferred_inbox_url]
|
|
end
|
|
end
|
|
|
|
def remove_from_remote_followers
|
|
# ActivityPub
|
|
ActivityPub::DeliveryWorker.push_bulk(@account.followers.inboxes) do |inbox_url|
|
|
[signed_activity_json, @account.id, inbox_url]
|
|
end
|
|
|
|
relay! if relayable?
|
|
end
|
|
|
|
def relayable?
|
|
@status.public_visibility?
|
|
end
|
|
|
|
def relay!
|
|
ActivityPub::DeliveryWorker.push_bulk(Relay.enabled.pluck(:inbox_url)) do |inbox_url|
|
|
[signed_activity_json, @account.id, inbox_url]
|
|
end
|
|
end
|
|
|
|
def signed_activity_json
|
|
@signed_activity_json ||= Oj.dump(serialize_payload(@status, @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer, signer: @account))
|
|
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, original_removed: true)
|
|
end
|
|
end
|
|
|
|
def remove_from_hashtags
|
|
@account.featured_tags.where(tag_id: @status.tags.pluck(:id)).each do |featured_tag|
|
|
featured_tag.decrement(@status.id)
|
|
end
|
|
|
|
return unless @status.public_visibility?
|
|
|
|
@tags.each do |hashtag|
|
|
redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
|
|
redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if @status.local?
|
|
end
|
|
end
|
|
|
|
def remove_from_public
|
|
return unless @status.public_visibility?
|
|
|
|
redis.publish('timeline:public', @payload)
|
|
redis.publish('timeline:public:local', @payload) if @status.local?
|
|
end
|
|
|
|
def remove_from_media
|
|
return unless @status.public_visibility?
|
|
|
|
redis.publish('timeline:public:media', @payload)
|
|
redis.publish('timeline:public:local:media', @payload) if @status.local?
|
|
end
|
|
|
|
def remove_from_spam_check
|
|
redis.zremrangebyscore("spam_check:#{@status.account_id}", @status.id, @status.id)
|
|
end
|
|
|
|
def lock_options
|
|
{ redis: Redis.current, key: "distribute:#{@status.id}" }
|
|
end
|
|
end
|