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rails--rails/actionpack/lib/abstract_controller/caching.rb
2017-07-29 14:02:40 +03:00

66 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module AbstractController
module Caching
extend ActiveSupport::Concern
extend ActiveSupport::Autoload
eager_autoload do
autoload :Fragments
end
module ConfigMethods
def cache_store
config.cache_store
end
def cache_store=(store)
config.cache_store = ActiveSupport::Cache.lookup_store(store)
end
private
def cache_configured?
perform_caching && cache_store
end
end
include ConfigMethods
include AbstractController::Caching::Fragments
included do
extend ConfigMethods
config_accessor :default_static_extension
self.default_static_extension ||= ".html"
config_accessor :perform_caching
self.perform_caching = true if perform_caching.nil?
config_accessor :enable_fragment_cache_logging
self.enable_fragment_cache_logging = false
class_attribute :_view_cache_dependencies, default: []
helper_method :view_cache_dependencies if respond_to?(:helper_method)
end
module ClassMethods
def view_cache_dependency(&dependency)
self._view_cache_dependencies += [dependency]
end
end
def view_cache_dependencies
self.class._view_cache_dependencies.map { |dep| instance_exec(&dep) }.compact
end
private
# Convenience accessor.
def cache(key, options = {}, &block) # :doc:
if cache_configured?
cache_store.fetch(ActiveSupport::Cache.expand_cache_key(key, :controller), options, &block)
else
yield
end
end
end
end