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-rw-r--r--actionpack/lib/action_controller/caching.rb28
1 files changed, 26 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb
index d016d09baa..94d2ede685 100644
--- a/actionpack/lib/action_controller/caching.rb
+++ b/actionpack/lib/action_controller/caching.rb
@@ -161,6 +161,19 @@ module ActionController #:nodoc:
# Different representations of the same resource, e.g. <tt>http://david.somewhere.com/lists</tt> and <tt>http://david.somewhere.com/lists.xml</tt>
# are treated like separate requests and so are cached separately. Keep in mind when expiring an action cache that <tt>:action => 'lists'</tt> is not the same
# as <tt>:action => 'list', :format => :xml</tt>.
+ #
+ # You can set modify the default action cache path by passing a :cache_path option. This will be passed directly to ActionCachePath.path_for. This is handy
+ # for actions with multiple possible routes that should be cached differently. If a block is given, it is called with the current controller instance.
+ #
+ # class ListsController < ApplicationController
+ # before_filter :authenticate, :except => :public
+ # caches_page :public
+ # caches_action :show, :cache_path => { :project => 1 }
+ # caches_action :show, :cache_path => Proc.new { |controller|
+ # controller.params[:user_id] ?
+ # controller.send(:user_list_url, c.params[:user_id], c.params[:id]) :
+ # controller.send(:list_url, c.params[:id]) }
+ # end
module Actions
def self.included(base) #:nodoc:
base.extend(ClassMethods)
@@ -188,11 +201,12 @@ module ActionController #:nodoc:
class ActionCacheFilter #:nodoc:
def initialize(*actions, &block)
@actions = actions
+ @options = @actions.last.is_a?(Hash) ? @actions.pop : {}
end
def before(controller)
return unless @actions.include?(controller.action_name.intern)
- action_cache_path = ActionCachePath.new(controller)
+ action_cache_path = ActionCachePath.new(controller, path_options_for(controller))
if cache = controller.read_fragment(action_cache_path.path)
controller.rendered_action_cache = true
set_content_type!(action_cache_path)
@@ -203,7 +217,7 @@ module ActionController #:nodoc:
def after(controller)
return if !@actions.include?(controller.action_name.intern) || controller.rendered_action_cache
- controller.write_fragment(ActionCachePath.path_for(controller), controller.response.body)
+ controller.write_fragment(ActionCachePath.path_for(controller, path_options_for(controller)), controller.response.body)
end
private
@@ -215,6 +229,10 @@ module ActionController #:nodoc:
end
end
+ def path_options_for(controller)
+ (@options[:cache_path].respond_to?(:call) ? @options[:cache_path].call(controller) : @options[:cache_path]) || {}
+ end
+
end
class ActionCachePath
@@ -598,6 +616,12 @@ module ActionController #:nodoc:
self.controller = nil
end
+ protected
+ # gets the action cache path for the given options.
+ def action_path_for(options)
+ ActionController::Caching::Actions::ActionCachePath.path_for(controller, options)
+ end
+
private
def callback(timing)
controller_callback_method_name = "#{timing}_#{controller.controller_name.underscore}"