module Hanami class Action module Cache # Cache-Control directives which have values # # @since 0.3.0 # @api private VALUE_DIRECTIVES = %i(max_age s_maxage min_fresh max_stale).freeze # Cache-Control directives which are implicitly true # # @since 0.3.0 # @api private NON_VALUE_DIRECTIVES = %i(public private no_cache no_store no_transform must_revalidate proxy_revalidate).freeze # Class representing value directives # # ex: max-age=600 # # @since 0.3.0 # @api private class ValueDirective # @since 0.3.0 # @api private attr_reader :name # @since 0.3.0 # @api private def initialize(name, value) @name, @value = name, value end # @since 0.3.0 # @api private def to_str "#{@name.to_s.tr('_', '-')}=#{@value.to_i}" end # @since 0.3.0 # @api private def valid? VALUE_DIRECTIVES.include? @name end end # Class representing non value directives # # ex: no-cache # # @since 0.3.0 # @api private class NonValueDirective # @since 0.3.0 # @api private attr_reader :name # @since 0.3.0 # @api private def initialize(name) @name = name end # @since 0.3.0 # @api private def to_str @name.to_s.tr('_', '-') end # @since 0.3.0 # @api private def valid? NON_VALUE_DIRECTIVES.include? @name end end # Collection of value and non value directives # # @since 0.3.0 # @api private class Directives include Enumerable # @since 0.3.0 # @api private def initialize(*values) @directives = [] values.each do |directive_key| if directive_key.kind_of? Hash directive_key.each { |name, value| self.<< ValueDirective.new(name, value) } else self.<< NonValueDirective.new(directive_key) end end end # @since 0.3.0 # @api private def each @directives.each { |d| yield d } end # @since 0.3.0 # @api private def <<(directive) @directives << directive if directive.valid? end # @since 0.3.0 # @api private def values @directives.delete_if do |directive| directive.name == :public && @directives.map(&:name).include?(:private) end end # @since 0.3.0 # @api private def join(separator) values.join(separator) end end end end end