diff options
Diffstat (limited to 'actionpack/lib/action_controller/caching')
| -rw-r--r-- | actionpack/lib/action_controller/caching/actions.rb | 31 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/caching/pages.rb | 67 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/caching/sweeping.rb | 7 |
3 files changed, 72 insertions, 33 deletions
diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb index 0031d2701f..0238135bc1 100644 --- a/actionpack/lib/action_controller/caching/actions.rb +++ b/actionpack/lib/action_controller/caching/actions.rb @@ -40,14 +40,15 @@ module ActionController #:nodoc: # # You can modify the default action cache path by passing a # <tt>:cache_path</tt> option. This will be passed directly to - # <tt>ActionCachePath.path_for</tt>. This is handy for actions with + # <tt>ActionCachePath.new</tt>. 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. # # And you can also use <tt>:if</tt> (or <tt>:unless</tt>) to pass a # proc that specifies when the action should be cached. # - # Finally, if you are using memcached, you can also pass <tt>:expires_in</tt>. + # As of Rails 3.0, you can also pass <tt>:expires_in</tt> with a time + # interval (in seconds) to schedule expiration of the cached item. # # The following example depicts some of the points made above: # @@ -56,14 +57,14 @@ module ActionController #:nodoc: # # caches_page :public # - # caches_action :index, :if => proc do + # caches_action :index, :if => Proc.new do # !request.format.json? # cache if is not a JSON request # end # # caches_action :show, :cache_path => { :project => 1 }, # :expires_in => 1.hour # - # caches_action :feed, :cache_path => proc do + # caches_action :feed, :cache_path => Proc.new do # if params[:user_id] # user_list_url(params[:user_id, params[:id]) # else @@ -102,8 +103,10 @@ module ActionController #:nodoc: end def _save_fragment(name, options) - content = response_body - content = content.join if content.is_a?(Array) + content = "" + response_body.each do |parts| + content << parts + end if caching_allowed? write_fragment(name, content, options) @@ -116,9 +119,8 @@ module ActionController #:nodoc: def expire_action(options = {}) return unless cache_configured? - actions = options[:action] - if actions.is_a?(Array) - actions.each {|action| expire_action(options.merge(:action => action)) } + if options.is_a?(Hash) && options[:action].is_a?(Array) + options[:action].each {|action| expire_action(options.merge(:action => action)) } else expire_fragment(ActionCachePath.new(self, options, false).path) end @@ -131,6 +133,8 @@ module ActionController #:nodoc: end def filter(controller) + cache_layout = @cache_layout.respond_to?(:call) ? @cache_layout.call(controller) : @cache_layout + path_options = if @cache_path.respond_to?(:call) controller.instance_exec(controller, &@cache_path) else @@ -142,13 +146,13 @@ module ActionController #:nodoc: body = controller.read_fragment(cache_path.path, @store_options) unless body - controller.action_has_layout = false unless @cache_layout + controller.action_has_layout = false unless cache_layout yield controller.action_has_layout = true body = controller._save_fragment(cache_path.path, @store_options) end - body = controller.render_to_string(:text => body, :layout => true) unless @cache_layout + body = controller.render_to_string(:text => body, :layout => true) unless cache_layout controller.response_body = body controller.content_type = Mime[cache_path.extension || :html] @@ -168,14 +172,15 @@ module ActionController #:nodoc: options.reverse_merge!(:format => @extension) if options.is_a?(Hash) end - path = controller.url_for(options).split(%r{://}).last + path = controller.url_for(options).split('://', 2).last @path = normalize!(path) end private def normalize!(path) + ext = URI.parser.escape(extension) if extension path << 'index' if path[-1] == ?/ - path << ".#{extension}" if extension and !path.ends_with?(extension) + path << ".#{ext}" if extension and !path.split('?', 2).first.ends_with?(".#{ext}") URI.parser.unescape(path) end end diff --git a/actionpack/lib/action_controller/caching/pages.rb b/actionpack/lib/action_controller/caching/pages.rb index 496390402b..dd4eddbe9a 100644 --- a/actionpack/lib/action_controller/caching/pages.rb +++ b/actionpack/lib/action_controller/caching/pages.rb @@ -16,7 +16,7 @@ module ActionController #:nodoc: # caches_page :show, :new # end # - # This will generate cache files such as <tt>weblog/show/5.html</tt> and <tt>weblog/new.html</tt>, which match the URLs used + # This will generate cache files such as <tt>weblog/show/5.html</tt> and <tt>weblog/new.html</tt>, which match the URLs used # that would normally trigger dynamic page generation. Page caching works by configuring a web server to first check for the # existence of files on disk, and to serve them directly when found, without passing the request through to Action Pack. # This is much faster than handling the full dynamic request in the usual way. @@ -38,27 +38,30 @@ module ActionController #:nodoc: extend ActiveSupport::Concern included do - ## - # :singleton-method: # The cache directory should be the document root for the web server and is set using <tt>Base.page_cache_directory = "/document/root"</tt>. # For Rails, this directory has already been set to Rails.public_path (which is usually set to <tt>Rails.root + "/public"</tt>). Changing # this setting can be useful to avoid naming conflicts with files in <tt>public/</tt>, but doing so will likely require configuring your # web server to look in the new location for cached files. - config_accessor :page_cache_directory + class_attribute :page_cache_directory self.page_cache_directory ||= '' - ## - # :singleton-method: # Most Rails requests do not have an extension, such as <tt>/weblog/new</tt>. In these cases, the page caching mechanism will add one in # order to make it easy for the cached files to be picked up properly by the web server. By default, this cache extension is <tt>.html</tt>. # If you want something else, like <tt>.php</tt> or <tt>.shtml</tt>, just set Base.page_cache_extension. In cases where a request already has an # extension, such as <tt>.xml</tt> or <tt>.rss</tt>, page caching will not add an extension. This allows it to work well with RESTful apps. - config_accessor :page_cache_extension + class_attribute :page_cache_extension self.page_cache_extension ||= '.html' + + # The compression used for gzip. If false (default), the page is not compressed. + # If can be a symbol showing the ZLib compression method, for example, :best_compression + # or :best_speed or an integer configuring the compression level. + class_attribute :page_cache_compression + self.page_cache_compression ||= false end module ClassMethods - # Expires the page that was cached with the +path+ as a key. Example: + # Expires the page that was cached with the +path+ as a key. + # # expire_page "/lists/show" def expire_page(path) return unless perform_caching @@ -66,35 +69,59 @@ module ActionController #:nodoc: instrument_page_cache :expire_page, path do File.delete(path) if File.exist?(path) + File.delete(path + '.gz') if File.exist?(path + '.gz') end end - # Manually cache the +content+ in the key determined by +path+. Example: + # Manually cache the +content+ in the key determined by +path+. + # # cache_page "I'm the cached content", "/lists/show" - def cache_page(content, path, extension = nil) + def cache_page(content, path, extension = nil, gzip = Zlib::BEST_COMPRESSION) return unless perform_caching path = page_cache_path(path, extension) instrument_page_cache :write_page, path do FileUtils.makedirs(File.dirname(path)) File.open(path, "wb+") { |f| f.write(content) } + if gzip + Zlib::GzipWriter.open(path + '.gz', gzip) { |f| f.write(content) } + end end end - # Caches the +actions+ using the page-caching approach that'll store the cache in a path within the page_cache_directory that + # Caches the +actions+ using the page-caching approach that'll store + # the cache in a path within the page_cache_directory that # matches the triggering url. # - # Usage: + # You can also pass a :gzip option to override the class configuration one. # # # cache the index action # caches_page :index # # # cache the index action except for JSON requests - # caches_page :index, :if => Proc.new { |c| !c.request.format.json? } + # caches_page :index, :if => Proc.new { !request.format.json? } + # + # # don't gzip images + # caches_page :image, :gzip => false def caches_page(*actions) return unless perform_caching options = actions.extract_options! - after_filter({:only => actions}.merge(options)) { |c| c.cache_page } + + gzip_level = options.fetch(:gzip, page_cache_compression) + gzip_level = case gzip_level + when Symbol + Zlib.const_get(gzip_level.to_s.upcase) + when Fixnum + gzip_level + when false + nil + else + Zlib::BEST_COMPRESSION + end + + after_filter({:only => actions}.merge(options)) do |c| + c.cache_page(nil, nil, gzip_level) + end end private @@ -115,14 +142,15 @@ module ActionController #:nodoc: end end - # Expires the page that was cached with the +options+ as a key. Example: + # Expires the page that was cached with the +options+ as a key. + # # expire_page :controller => "lists", :action => "show" def expire_page(options = {}) return unless self.class.perform_caching if options.is_a?(Hash) if options[:action].is_a?(Array) - options[:action].dup.each do |action| + options[:action].each do |action| self.class.expire_page(url_for(options.merge(:only_path => true, :action => action))) end else @@ -134,9 +162,10 @@ module ActionController #:nodoc: end # Manually cache the +content+ in the key determined by +options+. If no content is provided, the contents of response.body is used. - # If no options are provided, the url of the current request being handled is used. Example: + # If no options are provided, the url of the current request being handled is used. + # # cache_page "I'm the cached content", :controller => "lists", :action => "show" - def cache_page(content = nil, options = nil) + def cache_page(content = nil, options = nil, gzip = Zlib::BEST_COMPRESSION) return unless self.class.perform_caching && caching_allowed? path = case options @@ -152,7 +181,7 @@ module ActionController #:nodoc: extension = ".#{type_symbol}" end - self.class.cache_page(content || response.body, path, extension) + self.class.cache_page(content || response.body, path, extension, gzip) end end diff --git a/actionpack/lib/action_controller/caching/sweeping.rb b/actionpack/lib/action_controller/caching/sweeping.rb index 938a6ae81c..cc1fa23935 100644 --- a/actionpack/lib/action_controller/caching/sweeping.rb +++ b/actionpack/lib/action_controller/caching/sweeping.rb @@ -54,6 +54,11 @@ module ActionController #:nodoc: class Sweeper < ActiveRecord::Observer #:nodoc: attr_accessor :controller + def initialize(*args) + super + @controller = nil + end + def before(controller) self.controller = controller callback(:before) if controller.perform_caching @@ -88,7 +93,7 @@ module ActionController #:nodoc: end def method_missing(method, *arguments, &block) - return if @controller.nil? + return super unless @controller @controller.__send__(method, *arguments, &block) end end |