documentation/app/services/follow_service.rb

50 lines
1.4 KiB
Ruby

# frozen_string_literal: true
class FollowService < BaseService
# Follow a remote user, notify remote user about the follow
# @param [Account] source_account From which to follow
# @param [String] uri User URI to follow in the form of username@domain
def call(source_account, uri)
target_account = follow_remote_account_service.call(uri)
raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id
follow = source_account.follow!(target_account)
if target_account.local?
NotifyService.new.call(target_account, follow)
else
subscribe_service.call(target_account)
NotificationWorker.perform_async(follow.stream_entry.id, target_account.id)
end
merge_into_timeline(target_account, source_account)
HubPingWorker.perform_async(source_account.id)
follow
end
private
def merge_into_timeline(from_account, into_account)
timeline_key = FeedManager.instance.key(:home, into_account.id)
from_account.statuses.find_each do |status|
redis.zadd(timeline_key, status.id, status.id)
end
FeedManager.instance.trim(:home, into_account.id)
end
def redis
Redis.current
end
def follow_remote_account_service
@follow_remote_account_service ||= FollowRemoteAccountService.new
end
def subscribe_service
@subscribe_service ||= SubscribeService.new
end
end