/usr/share/rubygems-integration/all/gems/responders-2.1.1/lib/responders/flash_responder.rb is in ruby-responders 2.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Responder to automatically set flash messages based on I18n API. It checks for
# message based on the current action, but also allows defaults to be set, using
# the following order:
#
# flash.controller_name.action_name.status
# flash.actions.action_name.status
#
# So, if you have a CarsController, create action, it will check for:
#
# flash.cars.create.status
# flash.actions.create.status
#
# The statuses by default are :notice (when the object can be created, updated
# or destroyed with success) and :alert (when the object cannot be created
# or updated).
#
# On I18n, the resource_name given is available as interpolation option,
# this means you can set:
#
# flash:
# actions:
# create:
# notice: "Hooray! %{resource_name} was successfully created!"
#
# But sometimes, flash messages are not that simple. Going back
# to cars example, you might want to say the brand of the car when it's
# updated. Well, that's easy also:
#
# flash:
# cars:
# update:
# notice: "Hooray! You just tuned your %{car_brand}!"
#
# Since :car_name is not available for interpolation by default, you have
# to overwrite interpolation_options in your controller.
#
# def interpolation_options
# { :car_brand => @car.brand }
# end
#
# Then you will finally have:
#
# 'Hooray! You just tuned your Aston Martin!'
#
# If your controller is namespaced, for example Admin::CarsController,
# the messages will be checked in the following order:
#
# flash.admin.cars.create.status
# flash.admin.actions.create.status
# flash.cars.create.status
# flash.actions.create.status
#
# You can also have flash messages with embedded HTML. Just create a scope that
# ends with <tt>_html</tt> as the scopes below:
#
# flash.actions.create.notice_html
# flash.cars.create.notice_html
#
# == Options
#
# FlashResponder also accepts some options through respond_with API.
#
# * :flash - When set to false, no flash message is set.
#
# respond_with(@user, :flash => true)
#
# * :notice - Supply the message to be set if the record has no errors.
# * :alert - Supply the message to be set if the record has errors.
#
# respond_with(@user, :notice => "Hooray! Welcome!", :alert => "Woot! You failed.")
#
# * :flash_now - Sets the flash message using flash.now. Accepts true, :on_failure or :on_sucess.
#
# == Configure status keys
#
# As said previously, FlashResponder by default use :notice and :alert
# keys. You can change that by setting the status_keys:
#
# Responders::FlashResponder.flash_keys = [ :success, :failure ]
#
# However, the options :notice and :alert to respond_with are kept :notice
# and :alert.
#
module FlashResponder
class << self
attr_accessor :flash_keys, :namespace_lookup, :helper
end
self.flash_keys = [ :notice, :alert ]
self.namespace_lookup = false
self.helper = Object.new.extend(
ActionView::Helpers::TranslationHelper,
ActionView::Helpers::TagHelper
)
def initialize(controller, resources, options={})
super
@flash = options.delete(:flash)
@notice = options.delete(:notice)
@alert = options.delete(:alert)
@flash_now = options.delete(:flash_now) { :on_failure }
end
def to_html
set_flash_message! if set_flash_message?
super
end
def to_js
set_flash_message! if set_flash_message?
defined?(super) ? super : to_format
end
protected
def set_flash_message!
if has_errors?
status = Responders::FlashResponder.flash_keys.last
set_flash(status, @alert)
else
status = Responders::FlashResponder.flash_keys.first
set_flash(status, @notice)
end
return if controller.flash[status].present?
options = mount_i18n_options(status)
message = Responders::FlashResponder.helper.t options[:default].shift, options
set_flash(status, message)
end
def set_flash(key, value)
return if value.blank?
flash = controller.flash
flash = flash.now if set_flash_now?
flash[key] ||= value
end
def set_flash_now?
@flash_now == true || format == :js ||
(default_action && (has_errors? ? @flash_now == :on_failure : @flash_now == :on_success))
end
def set_flash_message? #:nodoc:
!get? && @flash != false
end
def mount_i18n_options(status) #:nodoc:
resource_name = if resource.class.respond_to?(:model_name)
resource.class.model_name.human
else
resource.class.name.underscore.humanize
end
options = {
:default => flash_defaults_by_namespace(status),
:resource_name => resource_name,
:downcase_resource_name => resource_name.downcase
}
if controller.respond_to?(:interpolation_options, true)
options.merge!(controller.send(:interpolation_options))
end
options
end
def flash_defaults_by_namespace(status) #:nodoc:
defaults = []
slices = controller.controller_path.split('/')
lookup = Responders::FlashResponder.namespace_lookup
begin
controller_scope = :"flash.#{slices.fill(controller.controller_name, -1).join('.')}.#{controller.action_name}.#{status}"
actions_scope = lookup ? slices.fill('actions', -1).join('.') : :actions
actions_scope = :"flash.#{actions_scope}.#{controller.action_name}.#{status}"
defaults << :"#{controller_scope}_html"
defaults << controller_scope
defaults << :"#{actions_scope}_html"
defaults << actions_scope
slices.shift
end while slices.size > 0 && lookup
defaults << ""
end
end
end
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