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# frozen_string_literal: true
class ProcessMentionsService < BaseService
include StreamEntryRenderer
# Scan status for mentions and fetch remote mentioned users, create
# local mention pointers, send Salmon notifications to mentioned
# remote users
# @param [Status] status
def call(status)
return unless status.local?
status.text = status.text.gsub(Account::MENTION_RE) do |match|
username, domain = $1.split('@')
mentioned_account = Account.find_remote(username, domain)
if mention_undeliverable?(status, mentioned_account)
begin
mentioned_account = resolve_account_service.call($1)
rescue Goldfinger::Error, HTTP::Error
mentioned_account = nil
end
end
mentioned_account ||= Account.find_remote(username, domain)
next match if mention_undeliverable?(status, mentioned_account)
mentioned_account.mentions.where(status: status).first_or_create(status: status)
"@#{mentioned_account.acct}"
end
status.save!
status.mentions.includes(:account).each do |mention|
create_notification(status, mention)
end
end
private
def mention_undeliverable?(status, mentioned_account)
mentioned_account.nil? || (!mentioned_account.local? && mentioned_account.ostatus? && status.stream_entry.hidden?)
end
def create_notification(status, mention)
mentioned_account = mention.account
if mentioned_account.local?
NotifyService.new.call(mentioned_account, mention)
elsif mentioned_account.ostatus? && !status.stream_entry.hidden?
NotificationWorker.perform_async(stream_entry_to_xml(status.stream_entry), status.account_id, mentioned_account.id)
elsif mentioned_account.activitypub?
ActivityPub::DeliveryWorker.perform_async(build_json(mention.status), mention.status.account_id, mentioned_account.inbox_url)
end
end
def build_json(status)
Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
status,
serializer: ActivityPub::ActivitySerializer,
adapter: ActivityPub::Adapter
).as_json).sign!(status.account))
end
def resolve_account_service
ResolveAccountService.new
end
end
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