hometown/app/services/follow_service.rb

92 lines
3.7 KiB
Ruby

# frozen_string_literal: true
class FollowService < BaseService
include Redisable
include Payloadable
include DomainControlHelper
# Follow a remote user, notify remote user about the follow
# @param [Account] source_account From which to follow
# @param [Account] target_account Account to follow
# @param [Hash] options
# @option [Boolean] :reblogs Whether or not to show reblogs, defaults to true
# @option [Boolean] :notify Whether to create notifications about new posts, defaults to false
# @option [Boolean] :bypass_locked
# @option [Boolean] :bypass_limit Allow following past the total follow number
# @option [Boolean] :with_rate_limit
def call(source_account, target_account, options = {})
@source_account = source_account
@target_account = target_account
@options = { bypass_locked: false, bypass_limit: false, with_rate_limit: false }.merge(options)
raise ActiveRecord::RecordNotFound if following_not_possible?
raise Mastodon::NotPermittedError if following_not_allowed?
if @source_account.following?(@target_account)
return change_follow_options!
elsif @source_account.requested?(@target_account)
return change_follow_request_options!
end
ActivityTracker.increment('activity:interactions')
# When an account follows someone for the first time, avoid showing
# an empty home feed while the follow request is being processed
# and the feeds are being merged
mark_home_feed_as_partial! if @source_account.not_following_anyone?
if (@target_account.locked? && !@options[:bypass_locked]) || @source_account.silenced? || @target_account.activitypub?
request_follow!
elsif @target_account.local?
direct_follow!
end
end
private
def mark_home_feed_as_partial!
redis.set("account:#{@source_account.id}:regeneration", true, nx: true, ex: 1.day.seconds)
end
def following_not_possible?
@target_account.nil? || @target_account.id == @source_account.id || @target_account.suspended?
end
def following_not_allowed?
domain_not_allowed?(@target_account.domain) || @target_account.blocking?(@source_account) || @source_account.blocking?(@target_account) || @target_account.moved? || (!@target_account.local? && @target_account.ostatus?) || @source_account.domain_blocking?(@target_account.domain)
end
def change_follow_options!
@source_account.follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify])
end
def change_follow_request_options!
@source_account.request_follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify])
end
def request_follow!
follow_request = @source_account.request_follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify], rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit])
if @target_account.local?
LocalNotificationWorker.perform_async(@target_account.id, follow_request.id, follow_request.class.name, :follow_request)
elsif @target_account.activitypub?
ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), @source_account.id, @target_account.inbox_url)
end
follow_request
end
def direct_follow!
follow = @source_account.follow!(@target_account, reblogs: @options[:reblogs], notify: @options[:notify], rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit])
LocalNotificationWorker.perform_async(@target_account.id, follow.id, follow.class.name, :follow)
MergeWorker.perform_async(@target_account.id, @source_account.id)
follow
end
def build_json(follow_request)
Oj.dump(serialize_payload(follow_request, ActivityPub::FollowSerializer))
end
end