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Versions: 13
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Contents
# frozen_string_literal: true
module Hanami
class Action
module Cache
# Module with Expires logic
#
# @since 0.3.0
# @api private
module Expires
# @since 0.3.0
# @api private
def self.included(base)
base.class_eval do
extend ClassMethods
@expires_directives = nil
end
end
# @since 0.3.0
# @api private
module ClassMethods
# @since 0.3.0
# @api private
def expires(amount, *values)
@expires_directives ||= Directives.new(amount, *values)
end
# @since 0.3.0
# @api private
def expires_directives
@expires_directives || Object.new.tap do |null_object|
def null_object.headers
{}
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(_, res, _)
unless res.headers.include?(Action::EXPIRES)
res.headers.merge!(self.class.expires_directives.headers)
end
super
end
# Class which stores Expires directives
#
# @since 0.3.0
# @api private
class Directives
# @since 0.3.0
# @api private
def initialize(amount, *values)
@amount = amount
@cache_control = Hanami::Action::Cache::CacheControl::Directives.new(*(values << {max_age: amount}))
end
# @since 0.3.0
# @api private
def headers
{Action::EXPIRES => time.httpdate}.merge(@cache_control.headers)
end
private
# @since 0.3.0
# @api private
def time
Time.now + @amount.to_i
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems