fedibird-fe/app/lib/entity_cache.rb
2023-01-16 12:58:29 +09:00

87 lines
2.7 KiB
Ruby

# frozen_string_literal: true
require 'singleton'
class EntityCache
include Singleton
MAX_EXPIRATION = 7.days.freeze
MIN_EXPIRATION = 60.seconds.freeze
def status(url)
Rails.cache.fetch(to_key(:status, url), expires_in: MAX_EXPIRATION) { FetchRemoteStatusService.new.call(url) }
end
def mention(username, domain)
Rails.cache.fetch(to_key(:mention, username, domain), expires_in: MAX_EXPIRATION) { Account.select(:id, :username, :domain, :url, :actor_type).find_remote(username, domain) }
end
def emoji(shortcodes, domain)
shortcodes = Array(shortcodes)
return [] if shortcodes.empty?
cached = Rails.cache.read_multi(*shortcodes.map { |shortcode| to_key(:emoji, shortcode, domain) })
uncached_ids = []
shortcodes.each do |shortcode|
uncached_ids << shortcode unless cached.key?(to_key(:emoji, shortcode, domain))
end
unless uncached_ids.empty?
uncached = CustomEmoji.where(shortcode: shortcodes, domain: domain, disabled: false).index_by(&:shortcode)
uncached.each_value { |item| Rails.cache.write(to_key(:emoji, item.shortcode, domain), item, expires_in: MAX_EXPIRATION) }
end
shortcodes.filter_map { |shortcode| cached[to_key(:emoji, shortcode, domain)] || uncached[shortcode] }
end
def holding_account(url)
return Rails.cache.read(to_key(:holding_account, url)) if Rails.cache.exist?(to_key(:holding_account, url))
account = begin
if ActivityPub::TagManager.instance.local_uri?(url)
recognized_params = Rails.application.routes.recognize_path(url)
return nil unless recognized_params[:action] == 'show'
if recognized_params[:controller] == 'accounts'
Account.find_local(recognized_params[:username])
end
else
Account.where(uri: url).or(Account.where(url: url)).first
end
rescue ActiveRecord::RecordNotFound
nil
end
Rails.cache.write(to_key(:holding_account, url), account, expires_in: account.nil? ? MIN_EXPIRATION : MAX_EXPIRATION)
account
end
def holding_status(url)
return Rails.cache.read(to_key(:holding_status, url)) if Rails.cache.exist?(to_key(:holding_status, url))
status = begin
if ActivityPub::TagManager.instance.local_uri?(url)
StatusFinder.new(url).status
else
Status.where(uri: url).or(Status.where(url: url)).first
end
rescue ActiveRecord::RecordNotFound
nil
end
update_holding_status(url, status)
status
end
def update_holding_status(url, status)
Rails.cache.write(to_key(:holding_status, url), status, expires_in: status&.account.nil? ? MIN_EXPIRATION : MAX_EXPIRATION)
end
def to_key(type, *ids)
"#{type}:#{ids.compact.map(&:downcase).join(':')}"
end
end