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-rw-r--r--activesupport/lib/active_support.rb1
-rw-r--r--activesupport/lib/active_support/cache.rb17
-rw-r--r--activesupport/lib/active_support/core_ext.rb2
-rw-r--r--activesupport/lib/active_support/current_attributes.rb193
-rw-r--r--activesupport/lib/active_support/deprecation/reporting.rb2
-rw-r--r--activesupport/lib/active_support/duration.rb41
-rw-r--r--activesupport/lib/active_support/i18n.rb2
-rw-r--r--activesupport/lib/active_support/multibyte/unicode.rb2
-rw-r--r--activesupport/lib/active_support/railtie.rb6
9 files changed, 245 insertions, 21 deletions
diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb
index 03e3ce821a..a667fbb54a 100644
--- a/activesupport/lib/active_support.rb
+++ b/activesupport/lib/active_support.rb
@@ -32,6 +32,7 @@ module ActiveSupport
extend ActiveSupport::Autoload
autoload :Concern
+ autoload :CurrentAttributes
autoload :Dependencies
autoload :DescendantsTracker
autoload :ExecutionWrapper
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 258140fe1d..a1093a2e23 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -88,10 +88,11 @@ module ActiveSupport
private
def retrieve_cache_key(key)
case
- when key.respond_to?(:cache_key) then key.cache_key
- when key.is_a?(Array) then key.map { |element| retrieve_cache_key(element) }.to_param
- when key.respond_to?(:to_a) then retrieve_cache_key(key.to_a)
- else key.to_param
+ when key.respond_to?(:cache_key_with_version) then key.cache_key_with_version
+ when key.respond_to?(:cache_key) then key.cache_key
+ when key.is_a?(Array) then key.map { |element| retrieve_cache_key(element) }.to_param
+ when key.respond_to?(:to_a) then retrieve_cache_key(key.to_a)
+ else key.to_param
end.to_s
end
@@ -330,11 +331,7 @@ module ActiveSupport
payload[:hit] = false if payload
nil
elsif entry.mismatched?(version)
- if payload
- payload[:hit] = false
- payload[:mismatch] = "#{entry.version} != #{version}"
- end
-
+ payload[:hit] = false if payload
nil
else
payload[:hit] = true if payload
@@ -539,7 +536,6 @@ module ActiveSupport
end
end
-
# Prefixes a key with the namespace. Namespace and key will be delimited
# with a colon.
def normalize_key(key, options)
@@ -590,7 +586,6 @@ module ActiveSupport
ActiveSupport::Notifications.instrument("cache_#{operation}.active_support", payload) { yield(payload) }
end
-
def log
return unless logger && logger.debug? && !silence?
logger.debug(yield)
diff --git a/activesupport/lib/active_support/core_ext.rb b/activesupport/lib/active_support/core_ext.rb
index f397f658f3..42e0acf66a 100644
--- a/activesupport/lib/active_support/core_ext.rb
+++ b/activesupport/lib/active_support/core_ext.rb
@@ -1,3 +1,3 @@
-(Dir["#{File.dirname(__FILE__)}/core_ext/*.rb"]).each do |path|
+Dir.glob(File.expand_path("core_ext/*.rb", __dir__)).each do |path|
require path
end
diff --git a/activesupport/lib/active_support/current_attributes.rb b/activesupport/lib/active_support/current_attributes.rb
new file mode 100644
index 0000000000..872b0663c7
--- /dev/null
+++ b/activesupport/lib/active_support/current_attributes.rb
@@ -0,0 +1,193 @@
+module ActiveSupport
+ # Abstract super class that provides a thread-isolated attributes singleton, which resets automatically
+ # before and after each request. This allows you to keep all the per-request attributes easily
+ # available to the whole system.
+ #
+ # The following full app-like example demonstrates how to use a Current class to
+ # facilitate easy access to the global, per-request attributes without passing them deeply
+ # around everywhere:
+ #
+ # # app/models/current.rb
+ # class Current < ActiveSupport::CurrentAttributes
+ # attribute :account, :user
+ # attribute :request_id, :user_agent, :ip_address
+ #
+ # resets { Time.zone = nil }
+ #
+ # def user=(user)
+ # super
+ # self.account = user.account
+ # Time.zone = user.time_zone
+ # end
+ # end
+ #
+ # # app/controllers/concerns/authentication.rb
+ # module Authentication
+ # extend ActiveSupport::Concern
+ #
+ # included do
+ # before_action :authenticate
+ # end
+ #
+ # private
+ # def authenticate
+ # if authenticated_user = User.find_by(id: cookies.signed[:user_id])
+ # Current.user = authenticated_user
+ # else
+ # redirect_to new_session_url
+ # end
+ # end
+ # end
+ #
+ # # app/controllers/concerns/set_current_request_details.rb
+ # module SetCurrentRequestDetails
+ # extend ActiveSupport::Concern
+ #
+ # included do
+ # before_action do
+ # Current.request_id = request.uuid
+ # Current.user_agent = request.user_agent
+ # Current.ip_address = request.ip
+ # end
+ # end
+ # end
+ #
+ # class ApplicationController < ActionController::Base
+ # include Authentication
+ # include SetCurrentRequestDetails
+ # end
+ #
+ # class MessagesController < ApplicationController
+ # def create
+ # Current.account.messages.create(message_params)
+ # end
+ # end
+ #
+ # class Message < ApplicationRecord
+ # belongs_to :creator, default: -> { Current.user }
+ # after_create { |message| Event.create(record: message) }
+ # end
+ #
+ # class Event < ApplicationRecord
+ # before_create do
+ # self.request_id = Current.request_id
+ # self.user_agent = Current.user_agent
+ # self.ip_address = Current.ip_address
+ # end
+ # end
+ #
+ # A word of caution: It's easy to overdo a global singleton like Current and tangle your model as a result.
+ # Current should only be used for a few, top-level globals, like account, user, and request details.
+ # The attributes stuck in Current should be used by more or less all actions on all requests. If you start
+ # sticking controller-specific attributes in there, you're going to create a mess.
+ class CurrentAttributes
+ include ActiveSupport::Callbacks
+ define_callbacks :reset
+
+ class << self
+ # Returns singleton instance for this class in this thread. If none exists, one is created.
+ def instance
+ current_instances[name] ||= new
+ end
+
+ # Declares one or more attributes that will be given both class and instance accessor methods.
+ def attribute(*names)
+ generated_attribute_methods.module_eval do
+ names.each do |name|
+ define_method(name) do
+ attributes[name.to_sym]
+ end
+
+ define_method("#{name}=") do |attribute|
+ attributes[name.to_sym] = attribute
+ end
+ end
+ end
+
+ names.each do |name|
+ define_singleton_method(name) do
+ instance.public_send(name)
+ end
+
+ define_singleton_method("#{name}=") do |attribute|
+ instance.public_send("#{name}=", attribute)
+ end
+ end
+ end
+
+ # Calls this block after #reset is called on the instance. Used for resetting external collaborators, like Time.zone.
+ def resets(&block)
+ set_callback :reset, :after, &block
+ end
+
+ delegate :set, :reset, to: :instance
+
+ def reset_all # :nodoc:
+ current_instances.each_value(&:reset)
+ end
+
+ def clear_all # :nodoc:
+ reset_all
+ current_instances.clear
+ end
+
+ private
+ def generated_attribute_methods
+ @generated_attribute_methods ||= Module.new.tap { |mod| include mod }
+ end
+
+ def current_instances
+ Thread.current[:current_attributes_instances] ||= {}
+ end
+
+ def method_missing(name, *args, &block)
+ # Caches the method definition as a singleton method of the receiver.
+ #
+ # By letting #delegate handle it, we avoid an enclosure that'll capture args.
+ singleton_class.delegate name, to: :instance
+
+ send(name, *args, &block)
+ end
+ end
+
+ attr_accessor :attributes
+
+ def initialize
+ @attributes = {}
+ end
+
+ # Expose one or more attributes within a block. Old values are returned after the block concludes.
+ # Example demonstrating the common use of needing to set Current attributes outside the request-cycle:
+ #
+ # class Chat::PublicationJob < ApplicationJob
+ # def perform(attributes, room_number, creator)
+ # Current.set(person: creator) do
+ # Chat::Publisher.publish(attributes: attributes, room_number: room_number)
+ # end
+ # end
+ # end
+ def set(set_attributes)
+ old_attributes = compute_attributes(set_attributes.keys)
+ assign_attributes(set_attributes)
+ yield
+ ensure
+ assign_attributes(old_attributes)
+ end
+
+ # Reset all attributes. Should be called before and after actions, when used as a per-request singleton.
+ def reset
+ run_callbacks :reset do
+ self.attributes = {}
+ end
+ end
+
+ private
+ def assign_attributes(new_attributes)
+ new_attributes.each { |key, value| public_send("#{key}=", value) }
+ end
+
+ def compute_attributes(keys)
+ keys.collect { |key| [ key, public_send(key) ] }.to_h
+ end
+ end
+end
diff --git a/activesupport/lib/active_support/deprecation/reporting.rb b/activesupport/lib/active_support/deprecation/reporting.rb
index 851d8eeda1..140bdccbb3 100644
--- a/activesupport/lib/active_support/deprecation/reporting.rb
+++ b/activesupport/lib/active_support/deprecation/reporting.rb
@@ -102,7 +102,7 @@ module ActiveSupport
end
end
- RAILS_GEM_ROOT = File.expand_path("../../../../..", __FILE__) + "/"
+ RAILS_GEM_ROOT = File.expand_path("../../../..", __dir__)
def ignored_callstack(path)
path.start_with?(RAILS_GEM_ROOT) || path.start_with?(RbConfig::CONFIG["rubylibdir"])
diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb
index d4424ed792..39deb2313f 100644
--- a/activesupport/lib/active_support/duration.rb
+++ b/activesupport/lib/active_support/duration.rb
@@ -37,27 +37,56 @@ module ActiveSupport
end
def +(other)
- calculate(:+, other)
+ if Duration === other
+ seconds = value + other.parts[:seconds]
+ new_parts = other.parts.merge(seconds: seconds)
+ new_value = value + other.value
+
+ Duration.new(new_value, new_parts)
+ else
+ calculate(:+, other)
+ end
end
def -(other)
- calculate(:-, other)
+ if Duration === other
+ seconds = value - other.parts[:seconds]
+ new_parts = other.parts.map { |part, other_value| [part, -other_value] }.to_h
+ new_parts = new_parts.merge(seconds: seconds)
+ new_value = value - other.value
+
+ Duration.new(new_value, new_parts)
+ else
+ calculate(:-, other)
+ end
end
def *(other)
- calculate(:*, other)
+ if Duration === other
+ new_parts = other.parts.map { |part, other_value| [part, value * other_value] }.to_h
+ new_value = value * other.value
+
+ Duration.new(new_value, new_parts)
+ else
+ calculate(:*, other)
+ end
end
def /(other)
- calculate(:/, other)
+ if Duration === other
+ new_parts = other.parts.map { |part, other_value| [part, value / other_value] }.to_h
+ new_value = new_parts.inject(0) { |total, (part, value)| total + value * Duration::PARTS_IN_SECONDS[part] }
+
+ Duration.new(new_value, new_parts)
+ else
+ calculate(:/, other)
+ end
end
private
def calculate(op, other)
if Scalar === other
Scalar.new(value.public_send(op, other.value))
- elsif Duration === other
- Duration.seconds(value).public_send(op, other)
elsif Numeric === other
Scalar.new(value.public_send(op, other))
else
diff --git a/activesupport/lib/active_support/i18n.rb b/activesupport/lib/active_support/i18n.rb
index f0408f429c..1a1f1a1257 100644
--- a/activesupport/lib/active_support/i18n.rb
+++ b/activesupport/lib/active_support/i18n.rb
@@ -10,4 +10,4 @@ end
require "active_support/lazy_load_hooks"
ActiveSupport.run_load_hooks(:i18n)
-I18n.load_path << "#{File.dirname(__FILE__)}/locale/en.yml"
+I18n.load_path << File.expand_path("locale/en.yml", __dir__)
diff --git a/activesupport/lib/active_support/multibyte/unicode.rb b/activesupport/lib/active_support/multibyte/unicode.rb
index 0912912aba..8223e45e5a 100644
--- a/activesupport/lib/active_support/multibyte/unicode.rb
+++ b/activesupport/lib/active_support/multibyte/unicode.rb
@@ -357,7 +357,7 @@ module ActiveSupport
# Returns the directory in which the data files are stored.
def self.dirname
- File.dirname(__FILE__) + "/../values/"
+ File.expand_path("../values", __dir__)
end
# Returns the filename for the data file for this version.
diff --git a/activesupport/lib/active_support/railtie.rb b/activesupport/lib/active_support/railtie.rb
index b875875afe..1b4ecf4d72 100644
--- a/activesupport/lib/active_support/railtie.rb
+++ b/activesupport/lib/active_support/railtie.rb
@@ -7,6 +7,12 @@ module ActiveSupport
config.eager_load_namespaces << ActiveSupport
+ initializer "active_support.reset_all_current_attributes_instances" do |app|
+ app.reloader.before_class_unload { ActiveSupport::CurrentAttributes.clear_all }
+ app.executor.to_run { ActiveSupport::CurrentAttributes.reset_all }
+ app.executor.to_complete { ActiveSupport::CurrentAttributes.reset_all }
+ end
+
initializer "active_support.deprecation_behavior" do |app|
if deprecation = app.config.active_support.deprecation
ActiveSupport::Deprecation.behavior = deprecation