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Versions: 20
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Contents
require 'hanami/action/cache/directives'
module Hanami
module Action
module Cache
# Module with Cache-Control logic
#
# @since 0.3.0
# @api private
module CacheControl
# The HTTP header for Cache-Control
#
# @since 0.3.0
# @api private
HEADER = 'Cache-Control'.freeze
# @since 0.3.0
# @api private
def self.included(base)
base.class_eval do
extend ClassMethods
@cache_control_directives = nil
end
end
# @since 0.3.0
# @api private
module ClassMethods
# @since 0.3.0
# @api private
def cache_control(*values)
@cache_control_directives ||= Directives.new(*values)
end
# @since 0.3.0
# @api private
def cache_control_directives
@cache_control_directives || Object.new.tap do |null_object|
def null_object.headers
Hash.new
end
end
end
end
# Finalize the response including default cache headers into the response
#
# @since 0.3.0
# @api private
#
# @see Hanami::Action#finish
def finish
super
headers.merge!(self.class.cache_control_directives.headers) unless headers.include? HEADER
end
# Class which stores CacheControl values
#
# @since 0.3.0
# @api private
class Directives
# @since 0.3.0
# @api private
def initialize(*values)
@directives = Hanami::Action::Cache::Directives.new(*values)
end
# @since 0.3.0
# @api private
def headers
if @directives.any?
{ HEADER => @directives.join(', ') }
else
{}
end
end
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems