You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.8 KiB
114 lines
3.8 KiB
# frozen_string_literal: true
|
|
|
|
class BatchedRemoveStatusService < BaseService
|
|
include StreamEntryRenderer
|
|
|
|
# Delete given statuses and reblogs of them
|
|
# Dispatch PuSH updates of the deleted statuses, but only local ones
|
|
# Dispatch Salmon deletes, unique per domain, of the deleted statuses, but only local ones
|
|
# Remove statuses from home feeds
|
|
# Push delete events to streaming API for home feeds and public feeds
|
|
# @param [Status] statuses A preferably batched array of statuses
|
|
def call(statuses)
|
|
statuses = Status.where(id: statuses.map(&:id)).includes(:account, :stream_entry).flat_map { |status| [status] + status.reblogs.includes(:account, :stream_entry).to_a }
|
|
|
|
@mentions = statuses.map { |s| [s.id, s.mentions.includes(:account).to_a] }.to_h
|
|
@tags = statuses.map { |s| [s.id, s.tags.pluck(:name)] }.to_h
|
|
|
|
@stream_entry_batches = []
|
|
@salmon_batches = []
|
|
@json_payloads = statuses.map { |s| [s.id, Oj.dump(event: :delete, payload: s.id)] }.to_h
|
|
|
|
# Ensure that rendered XML reflects destroyed state
|
|
Status.where(id: statuses.map(&:id)).in_batches.destroy_all
|
|
|
|
# Batch by source account
|
|
statuses.group_by(&:account_id).each do |_, account_statuses|
|
|
account = account_statuses.first.account
|
|
|
|
unpush_from_home_timelines(account_statuses)
|
|
batch_stream_entries(account_statuses) if account.local?
|
|
end
|
|
|
|
# Cannot be batched
|
|
statuses.each do |status|
|
|
unpush_from_public_timelines(status)
|
|
batch_salmon_slaps(status) if status.local?
|
|
end
|
|
|
|
Pubsubhubbub::DistributionWorker.push_bulk(@stream_entry_batches) { |batch| batch }
|
|
NotificationWorker.push_bulk(@salmon_batches) { |batch| batch }
|
|
end
|
|
|
|
private
|
|
|
|
def batch_stream_entries(statuses)
|
|
stream_entry_ids = statuses.map { |s| s.stream_entry.id }
|
|
|
|
stream_entry_ids.each_slice(100) do |batch_of_stream_entry_ids|
|
|
@stream_entry_batches << [batch_of_stream_entry_ids]
|
|
end
|
|
end
|
|
|
|
def unpush_from_home_timelines(statuses)
|
|
account = statuses.first.account
|
|
recipients = account.followers.local.pluck(:id)
|
|
|
|
recipients << account.id if account.local?
|
|
|
|
recipients.each do |follower_id|
|
|
unpush(follower_id, statuses)
|
|
end
|
|
end
|
|
|
|
def unpush_from_public_timelines(status)
|
|
payload = @json_payloads[status.id]
|
|
|
|
redis.pipelined do
|
|
redis.publish('timeline:public', payload)
|
|
redis.publish('timeline:public:local', payload) if status.local?
|
|
|
|
@tags[status.id].each do |hashtag|
|
|
redis.publish("timeline:hashtag:#{hashtag}", payload)
|
|
redis.publish("timeline:hashtag:#{hashtag}:local", payload) if status.local?
|
|
end
|
|
end
|
|
end
|
|
|
|
def batch_salmon_slaps(status)
|
|
return if @mentions[status.id].empty?
|
|
|
|
payload = stream_entry_to_xml(status.stream_entry.reload)
|
|
recipients = @mentions[status.id].map(&:account).reject(&:local?).uniq(&:domain).map(&:id)
|
|
|
|
recipients.each do |recipient_id|
|
|
@salmon_batches << [payload, status.account_id, recipient_id]
|
|
end
|
|
end
|
|
|
|
def unpush(follower_id, statuses)
|
|
key = FeedManager.instance.key(:home, follower_id)
|
|
|
|
originals = statuses.reject(&:reblog?)
|
|
reblogs = statuses.select(&:reblog?)
|
|
|
|
# Quickly remove all originals
|
|
redis.pipelined do
|
|
originals.each do |status|
|
|
redis.zremrangebyscore(key, status.id, status.id)
|
|
redis.publish("timeline:#{follower_id}", @json_payloads[status.id])
|
|
end
|
|
end
|
|
|
|
# For reblogs, re-add original status to feed, unless the reblog
|
|
# was not in the feed in the first place
|
|
reblogs.each do |status|
|
|
redis.zadd(key, status.reblog_of_id, status.reblog_of_id) unless redis.zscore(key, status.reblog_of_id).nil?
|
|
redis.publish("timeline:#{follower_id}", @json_payloads[status.id])
|
|
end
|
|
end
|
|
|
|
def redis
|
|
Redis.current
|
|
end
|
|
end
|