mastodon/app/controllers/concerns/cache_concern.rb

47 lines
1.5 KiB
Ruby

# frozen_string_literal: true
module CacheConcern
extend ActiveSupport::Concern
def render_with_cache(**options)
raise ArgumentError, 'only JSON render calls are supported' unless options.key?(:json) || block_given?
key = options.delete(:key) || [[params[:controller], params[:action]].join('/'), options[:json].respond_to?(:cache_key) ? options[:json].cache_key : nil, options[:fields].nil? ? nil : options[:fields].join(',')].compact.join(':')
expires_in = options.delete(:expires_in) || 3.minutes
body = Rails.cache.read(key, raw: true)
if body
render(options.except(:json, :serializer, :each_serializer, :adapter, :fields).merge(json: body))
else
if block_given?
options[:json] = yield
elsif options[:json].is_a?(Symbol)
options[:json] = send(options[:json])
end
render(options)
Rails.cache.write(key, response.body, expires_in: expires_in, raw: true)
end
end
def set_cache_headers
response.headers['Vary'] = public_fetch_mode? ? 'Accept' : 'Accept, Signature'
end
# TODO: Rename this method, as it does not perform any caching anymore.
def cache_collection(raw, klass)
return raw unless klass.respond_to?(:preload_cacheable_associations)
records = raw.to_a
klass.preload_cacheable_associations(records)
records
end
# TODO: Rename this method, as it does not perform any caching anymore.
def cache_collection_paginated_by_id(raw, klass, limit, options)
cache_collection raw.to_a_paginated_by_id(limit, options), klass
end
end