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Diffstat (limited to 'actionpack/lib/abstract_controller/caching.rb')
-rw-r--r-- | actionpack/lib/abstract_controller/caching.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/actionpack/lib/abstract_controller/caching.rb b/actionpack/lib/abstract_controller/caching.rb new file mode 100644 index 0000000000..d222880922 --- /dev/null +++ b/actionpack/lib/abstract_controller/caching.rb @@ -0,0 +1,65 @@ +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 + self._view_cache_dependencies = [] + 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 + + protected + # Convenience accessor. + def cache(key, options = {}, &block) + if cache_configured? + cache_store.fetch(ActiveSupport::Cache.expand_cache_key(key, :controller), options, &block) + else + yield + end + end + end +end |