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module AbstractController
module Callbacks
extend ActiveSupport::Concern
include ActiveSupport::NewCallbacks
included do
define_callbacks :process_action, "response_body"
end
def process_action(method_name)
_run_process_action_callbacks(method_name) do
super
end
end
module ClassMethods
def _normalize_callback_options(options)
if only = options[:only]
only = Array(only).map {|o| "action_name == '#{o}'"}.join(" || ")
options[:per_key] = {:if => only}
end
if except = options[:except]
except = Array(except).map {|e| "action_name == '#{e}'"}.join(" || ")
options[:per_key] = {:unless => except}
end
end
def skip_filter(*names, &blk)
skip_before_filter(*names, &blk)
skip_after_filter(*names, &blk)
skip_around_filter(*names, &blk)
end
def _insert_callbacks(names, block)
options = names.last.is_a?(Hash) ? names.pop : {}
_normalize_callback_options(options)
names.push(block) if block
names.each do |name|
yield name, options
end
end
[:before, :after, :around].each do |filter|
class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
def #{filter}_filter(*names, &blk)
_insert_callbacks(names, blk) do |name, options|
set_callback(:process_action, :#{filter}, name, options)
end
end
def prepend_#{filter}_filter(*names, &blk)
_insert_callbacks(names, blk) do |name, options|
set_callback(:process_action, :#{filter}, name, options.merge(:prepend => true))
end
end
def skip_#{filter}_filter(*names, &blk)
_insert_callbacks(names, blk) do |name, options|
skip_callback(:process_action, :#{filter}, name, options)
end
end
alias_method :append_#{filter}_filter, :#{filter}_filter
RUBY_EVAL
end
end
end
end
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