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-rw-r--r--actionpack/lib/abstract_controller/base.rb25
-rw-r--r--actionpack/lib/abstract_controller/caching.rb65
-rw-r--r--actionpack/lib/abstract_controller/caching/fragments.rb143
-rw-r--r--actionpack/lib/abstract_controller/callbacks.rb45
-rw-r--r--actionpack/lib/abstract_controller/collector.rb2
-rw-r--r--actionpack/lib/abstract_controller/error.rb4
-rw-r--r--actionpack/lib/abstract_controller/helpers.rb41
-rw-r--r--actionpack/lib/abstract_controller/rendering.rb15
-rw-r--r--actionpack/lib/abstract_controller/translation.rb4
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