diff options
Diffstat (limited to 'actionpack/lib/abstract_controller')
-rw-r--r-- | actionpack/lib/abstract_controller/base.rb | 25 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/caching.rb | 65 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/caching/fragments.rb | 143 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/callbacks.rb | 45 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/collector.rb | 2 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/error.rb | 4 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/helpers.rb | 41 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/rendering.rb | 15 | ||||
-rw-r--r-- | actionpack/lib/abstract_controller/translation.rb | 4 |
9 files changed, 260 insertions, 84 deletions
diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb index 8edea0f52b..8e588812f8 100644 --- a/actionpack/lib/abstract_controller/base.rb +++ b/actionpack/lib/abstract_controller/base.rb @@ -1,13 +1,11 @@ -require 'erubis' -require 'active_support/configurable' -require 'active_support/descendants_tracker' -require 'active_support/core_ext/module/anonymous' -require 'active_support/core_ext/module/attr_internal' +require "erubis" +require "abstract_controller/error" +require "active_support/configurable" +require "active_support/descendants_tracker" +require "active_support/core_ext/module/anonymous" +require "active_support/core_ext/module/attr_internal" module AbstractController - class Error < StandardError #:nodoc: - end - # Raised when a non-existing controller action is triggered. class ActionNotFound < StandardError end @@ -78,7 +76,7 @@ module AbstractController end end - # action_methods are cached and there is sometimes need to refresh + # action_methods are cached and there is sometimes a need to refresh # them. ::clear_action_methods! allows you to do that, so next time # you run action_methods, they will be recalculated. def clear_action_methods! @@ -96,7 +94,7 @@ module AbstractController # ==== Returns # * <tt>String</tt> def controller_path - @controller_path ||= name.sub(/Controller$/, ''.freeze).underscore unless anonymous? + @controller_path ||= name.sub(/Controller$/, "".freeze).underscore unless anonymous? end # Refresh the cached action_methods when a new action_method is added. @@ -152,6 +150,13 @@ module AbstractController _find_action_name(action_name) end + # Tests if a response body is set. Used to determine if the + # +process_action+ callback needs to be terminated in + # +AbstractController::Callbacks+. + def performed? + response_body + end + # Returns true if the given controller is capable of rendering # a path. A subclass of +AbstractController::Base+ # may return false. An Email controller for example does not 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 diff --git a/actionpack/lib/abstract_controller/caching/fragments.rb b/actionpack/lib/abstract_controller/caching/fragments.rb new file mode 100644 index 0000000000..c85b4adba1 --- /dev/null +++ b/actionpack/lib/abstract_controller/caching/fragments.rb @@ -0,0 +1,143 @@ +module AbstractController + module Caching + # Fragment caching is used for caching various blocks within + # views without caching the entire action as a whole. This is + # useful when certain elements of an action change frequently or + # depend on complicated state while other parts rarely change or + # can be shared amongst multiple parties. The caching is done using + # the +cache+ helper available in the Action View. See + # ActionView::Helpers::CacheHelper for more information. + # + # While it's strongly recommended that you use key-based cache + # expiration (see links in CacheHelper for more information), + # it is also possible to manually expire caches. For example: + # + # expire_fragment('name_of_cache') + module Fragments + extend ActiveSupport::Concern + + included do + if respond_to?(:class_attribute) + class_attribute :fragment_cache_keys + else + mattr_writer :fragment_cache_keys + end + + self.fragment_cache_keys = [] + + helper_method :fragment_cache_key if respond_to?(:helper_method) + end + + module ClassMethods + # Allows you to specify controller-wide key prefixes for + # cache fragments. Pass either a constant +value+, or a block + # which computes a value each time a cache key is generated. + # + # For example, you may want to prefix all fragment cache keys + # with a global version identifier, so you can easily + # invalidate all caches. + # + # class ApplicationController + # fragment_cache_key "v1" + # end + # + # When it's time to invalidate all fragments, simply change + # the string constant. Or, progressively roll out the cache + # invalidation using a computed value: + # + # class ApplicationController + # fragment_cache_key do + # @account.id.odd? ? "v1" : "v2" + # end + # end + def fragment_cache_key(value = nil, &key) + self.fragment_cache_keys += [key || -> { value }] + end + end + + # Given a key (as described in +expire_fragment+), returns + # a key suitable for use in reading, writing, or expiring a + # cached fragment. All keys begin with <tt>views/</tt>, + # followed by any controller-wide key prefix values, ending + # with the specified +key+ value. The key is expanded using + # ActiveSupport::Cache.expand_cache_key. + def fragment_cache_key(key) + head = self.class.fragment_cache_keys.map { |k| instance_exec(&k) } + tail = key.is_a?(Hash) ? url_for(key).split("://").last : key + ActiveSupport::Cache.expand_cache_key([*head, *tail], :views) + end + + # Writes +content+ to the location signified by + # +key+ (see +expire_fragment+ for acceptable formats). + def write_fragment(key, content, options = nil) + return content unless cache_configured? + + key = fragment_cache_key(key) + instrument_fragment_cache :write_fragment, key do + content = content.to_str + cache_store.write(key, content, options) + end + content + end + + # Reads a cached fragment from the location signified by +key+ + # (see +expire_fragment+ for acceptable formats). + def read_fragment(key, options = nil) + return unless cache_configured? + + key = fragment_cache_key(key) + instrument_fragment_cache :read_fragment, key do + result = cache_store.read(key, options) + result.respond_to?(:html_safe) ? result.html_safe : result + end + end + + # Check if a cached fragment from the location signified by + # +key+ exists (see +expire_fragment+ for acceptable formats). + def fragment_exist?(key, options = nil) + return unless cache_configured? + key = fragment_cache_key(key) + + instrument_fragment_cache :exist_fragment?, key do + cache_store.exist?(key, options) + end + end + + # Removes fragments from the cache. + # + # +key+ can take one of three forms: + # + # * String - This would normally take the form of a path, like + # <tt>pages/45/notes</tt>. + # * Hash - Treated as an implicit call to +url_for+, like + # <tt>{ controller: 'pages', action: 'notes', id: 45}</tt> + # * Regexp - Will remove any fragment that matches, so + # <tt>%r{pages/\d*/notes}</tt> might remove all notes. Make sure you + # don't use anchors in the regex (<tt>^</tt> or <tt>$</tt>) because + # the actual filename matched looks like + # <tt>./cache/filename/path.cache</tt>. Note: Regexp expiration is + # only supported on caches that can iterate over all keys (unlike + # memcached). + # + # +options+ is passed through to the cache store's +delete+ + # method (or <tt>delete_matched</tt>, for Regexp keys). + def expire_fragment(key, options = nil) + return unless cache_configured? + key = fragment_cache_key(key) unless key.is_a?(Regexp) + + instrument_fragment_cache :expire_fragment, key do + if key.is_a?(Regexp) + cache_store.delete_matched(key, options) + else + cache_store.delete(key, options) + end + end + end + + def instrument_fragment_cache(name, key) # :nodoc: + payload = instrument_payload(key) + ActiveSupport::Notifications.instrument("#{name}.#{instrument_name}", payload) { yield } + end + end + end +end diff --git a/actionpack/lib/abstract_controller/callbacks.rb b/actionpack/lib/abstract_controller/callbacks.rb index d63ce9c1c3..ce4ecf17cc 100644 --- a/actionpack/lib/abstract_controller/callbacks.rb +++ b/actionpack/lib/abstract_controller/callbacks.rb @@ -9,7 +9,7 @@ module AbstractController included do define_callbacks :process_action, - terminator: ->(controller, result_lambda) { result_lambda.call if result_lambda.is_a?(Proc); controller.response_body }, + terminator: ->(controller, result_lambda) { result_lambda.call if result_lambda.is_a?(Proc); controller.performed? }, skip_after_callbacks_if_terminated: true end @@ -49,30 +49,11 @@ module AbstractController def _normalize_callback_option(options, from, to) # :nodoc: if from = options[from] _from = Array(from).map(&:to_s).to_set - from = proc {|c| _from.include? c.action_name } + from = proc { |c| _from.include? c.action_name } options[to] = Array(options[to]).unshift(from) end end - # Skip before, after, and around action callbacks matching any of the names. - # - # ==== Parameters - # * <tt>names</tt> - A list of valid names that could be used for - # callbacks. Note that skipping uses Ruby equality, so it's - # impossible to skip a callback defined using an anonymous proc - # using #skip_action_callback. - def skip_action_callback(*names) - ActiveSupport::Deprecation.warn('`skip_action_callback` is deprecated and will be removed in Rails 5.1. Please use skip_before_action, skip_after_action or skip_around_action instead.') - skip_before_action(*names, raise: false) - skip_after_action(*names, raise: false) - skip_around_action(*names, raise: false) - end - - def skip_filter(*names) - ActiveSupport::Deprecation.warn("`skip_filter` is deprecated and will be removed in Rails 5.1. Use skip_before_action, skip_after_action or skip_around_action instead.") - skip_action_callback(*names) - end - # Take callback names and an optional callback proc, normalize them, # then call the block with each callback. This allows us to abstract # the normalization across several methods that use it. @@ -187,22 +168,12 @@ module AbstractController end end - define_method "#{callback}_filter" do |*names, &blk| - ActiveSupport::Deprecation.warn("#{callback}_filter is deprecated and will be removed in Rails 5.1. Use #{callback}_action instead.") - send("#{callback}_action", *names, &blk) - end - define_method "prepend_#{callback}_action" do |*names, &blk| _insert_callbacks(names, blk) do |name, options| - set_callback(:process_action, callback, name, options.merge(:prepend => true)) + set_callback(:process_action, callback, name, options.merge(prepend: true)) end end - define_method "prepend_#{callback}_filter" do |*names, &blk| - ActiveSupport::Deprecation.warn("prepend_#{callback}_filter is deprecated and will be removed in Rails 5.1. Use prepend_#{callback}_action instead.") - send("prepend_#{callback}_action", *names, &blk) - end - # Skip a before, after or around callback. See _insert_callbacks # for details on the allowed parameters. define_method "skip_#{callback}_action" do |*names| @@ -211,18 +182,8 @@ module AbstractController end end - define_method "skip_#{callback}_filter" do |*names, &blk| - ActiveSupport::Deprecation.warn("skip_#{callback}_filter is deprecated and will be removed in Rails 5.1. Use skip_#{callback}_action instead.") - send("skip_#{callback}_action", *names, &blk) - end - # *_action is the same as append_*_action alias_method :"append_#{callback}_action", :"#{callback}_action" - - define_method "append_#{callback}_filter" do |*names, &blk| - ActiveSupport::Deprecation.warn("append_#{callback}_filter is deprecated and will be removed in Rails 5.1. Use append_#{callback}_action instead.") - send("append_#{callback}_action", *names, &blk) - end end end end diff --git a/actionpack/lib/abstract_controller/collector.rb b/actionpack/lib/abstract_controller/collector.rb index 55654be224..57714b0588 100644 --- a/actionpack/lib/abstract_controller/collector.rb +++ b/actionpack/lib/abstract_controller/collector.rb @@ -16,7 +16,7 @@ module AbstractController end Mime::Type.register_callback do |mime| - generate_method_for_mime(mime) unless self.instance_methods.include?(mime.to_sym) + generate_method_for_mime(mime) unless instance_methods.include?(mime.to_sym) end protected diff --git a/actionpack/lib/abstract_controller/error.rb b/actionpack/lib/abstract_controller/error.rb new file mode 100644 index 0000000000..7fafce4dd4 --- /dev/null +++ b/actionpack/lib/abstract_controller/error.rb @@ -0,0 +1,4 @@ +module AbstractController + class Error < StandardError #:nodoc: + end +end diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb index d84c238a62..ef3be7af83 100644 --- a/actionpack/lib/abstract_controller/helpers.rb +++ b/actionpack/lib/abstract_controller/helpers.rb @@ -1,4 +1,4 @@ -require 'active_support/dependencies' +require "active_support/dependencies" module AbstractController module Helpers @@ -38,7 +38,8 @@ module AbstractController end # Declare a controller method as a helper. For example, the following - # makes the +current_user+ controller method available to the view: + # makes the +current_user+ and +logged_in?+ controller methods available + # to the view: # class ApplicationController < ActionController::Base # helper_method :current_user, :logged_in? # @@ -170,25 +171,25 @@ module AbstractController end private - # Makes all the (instance) methods in the helper module available to templates - # rendered through this controller. - # - # ==== Parameters - # * <tt>module</tt> - The module to include into the current helper module - # for the class - def add_template_helper(mod) - _helpers.module_eval { include mod } - end + # Makes all the (instance) methods in the helper module available to templates + # rendered through this controller. + # + # ==== Parameters + # * <tt>module</tt> - The module to include into the current helper module + # for the class + def add_template_helper(mod) + _helpers.module_eval { include mod } + end - def default_helper_module! - module_name = name.sub(/Controller$/, ''.freeze) - module_path = module_name.underscore - helper module_path - rescue LoadError => e - raise e unless e.is_missing? "helpers/#{module_path}_helper" - rescue NameError => e - raise e unless e.missing_name? "#{module_name}Helper" - end + def default_helper_module! + module_name = name.sub(/Controller$/, "".freeze) + module_path = module_name.underscore + helper module_path + rescue LoadError => e + raise e unless e.is_missing? "helpers/#{module_path}_helper" + rescue NameError => e + raise e unless e.missing_name? "#{module_name}Helper" + end end end end diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb index e765d73ce4..a0560a8748 100644 --- a/actionpack/lib/abstract_controller/rendering.rb +++ b/actionpack/lib/abstract_controller/rendering.rb @@ -1,8 +1,7 @@ -require 'active_support/concern' -require 'active_support/core_ext/class/attribute' -require 'action_view' -require 'action_view/view_paths' -require 'set' +require "abstract_controller/error" +require "action_view" +require "action_view/view_paths" +require "set" module AbstractController class DoubleRenderError < Error @@ -59,9 +58,7 @@ module AbstractController end DEFAULT_PROTECTED_INSTANCE_VARIABLES = Set.new %i( - @_action_name @_response_body @_formats @_prefixes @_config - @_view_context_class @_view_renderer @_lookup_context - @_routes @_db_runtime + @_action_name @_response_body @_formats @_prefixes ) # This method should return a hash with assigns. @@ -123,7 +120,7 @@ module AbstractController def _normalize_render(*args, &block) options = _normalize_args(*args, &block) #TODO: remove defined? when we restore AP <=> AV dependency - if defined?(request) && request.variant.present? + if defined?(request) && !request.nil? && request.variant.present? options[:variant] = request.variant end _normalize_options(options) diff --git a/actionpack/lib/abstract_controller/translation.rb b/actionpack/lib/abstract_controller/translation.rb index 56b8ce895e..9e3858802a 100644 --- a/actionpack/lib/abstract_controller/translation.rb +++ b/actionpack/lib/abstract_controller/translation.rb @@ -9,8 +9,8 @@ module AbstractController # to translate many keys within the same controller / action and gives you a # simple framework for scoping them consistently. def translate(key, options = {}) - if key.to_s.first == '.' - path = controller_path.tr('/', '.') + if key.to_s.first == "." + path = controller_path.tr("/", ".") defaults = [:"#{path}#{key}"] defaults << options[:default] if options[:default] options[:default] = defaults |