mastodon/app/services/fan_out_on_write_service.rb
2020-11-19 00:23:46 +01:00

110 lines
3.4 KiB
Ruby

# frozen_string_literal: true
class FanOutOnWriteService < BaseService
# Push a status into home and mentions feeds
# @param [Status] status
def call(status)
raise Mastodon::RaceConditionError if status.visibility.nil?
deliver_to_self(status) if status.account.local?
if status.direct_visibility?
deliver_to_mentioned_followers(status)
deliver_to_own_conversation(status)
elsif status.limited_visibility?
deliver_to_mentioned_followers(status)
else
deliver_to_followers(status)
deliver_to_lists(status)
end
return if status.account.silenced? || !status.public_visibility? || status.reblog?
render_anonymous_payload(status)
deliver_to_hashtags(status)
return if status.reply? && status.in_reply_to_account_id != status.account_id
deliver_to_public(status)
deliver_to_media(status) if status.media_attachments.any?
end
private
def deliver_to_self(status)
Rails.logger.debug "Delivering status #{status.id} to author"
FeedManager.instance.push_to_home(status.account, status)
end
def deliver_to_followers(status)
Rails.logger.debug "Delivering status #{status.id} to followers"
status.account.followers_for_local_distribution.select(:id).reorder(nil).find_in_batches do |followers|
FeedInsertWorker.push_bulk(followers) do |follower|
[status.id, follower.id, :home]
end
end
end
def deliver_to_lists(status)
Rails.logger.debug "Delivering status #{status.id} to lists"
status.account.lists_for_local_distribution.select(:id).reorder(nil).find_in_batches do |lists|
FeedInsertWorker.push_bulk(lists) do |list|
[status.id, list.id, :list]
end
end
end
def deliver_to_mentioned_followers(status)
Rails.logger.debug "Delivering status #{status.id} to limited followers"
status.mentions.joins(:account).merge(status.account.followers_for_local_distribution).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
FeedInsertWorker.push_bulk(mentions) do |mention|
[status.id, mention.account_id, :home]
end
end
end
def render_anonymous_payload(status)
@payload = InlineRenderer.render(status, nil, :status)
@payload = Oj.dump(event: :update, payload: @payload)
end
def deliver_to_hashtags(status)
Rails.logger.debug "Delivering status #{status.id} to hashtags"
status.tags.pluck(:name).each do |hashtag|
Redis.current.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
Redis.current.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if status.local?
end
end
def deliver_to_public(status)
Rails.logger.debug "Delivering status #{status.id} to public timeline"
Redis.current.publish('timeline:public', @payload)
if status.local?
Redis.current.publish('timeline:public:local', @payload)
else
Redis.current.publish('timeline:public:remote', @payload)
end
end
def deliver_to_media(status)
Rails.logger.debug "Delivering status #{status.id} to media timeline"
Redis.current.publish('timeline:public:media', @payload)
if status.local?
Redis.current.publish('timeline:public:local:media', @payload)
else
Redis.current.publish('timeline:public:remote:media', @payload)
end
end
def deliver_to_own_conversation(status)
AccountConversation.add_status(status.account, status)
end
end