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Versions: 9
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Stored size: 1.48 KB
Contents
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2010-2022, by Samuel Williams.
module Utopia
class Content
# Compatibility with older versions of rack:
EXPIRES = 'expires'.freeze
CACHE_CONTROL = 'cache-control'.freeze
CONTENT_TYPE = 'content-type'.freeze
NO_CACHE = 'no-cache'.freeze
# A basic content response, including useful defaults for typical HTML5 content.
class Response
def initialize
@status = 200
@headers = {}
@body = []
# The default content type:
self.content_type = "text/html; charset=utf-8"
end
attr_accessor :status
attr :headers
attr :body
def content
@body.join
end
def lookup(tag)
return nil
end
def to_a
[@status, @headers, @body]
end
# Specifies that the content shouldn't be cached. Overrides `cache!` if already called.
def do_not_cache!
@headers[CACHE_CONTROL] = "no-cache, must-revalidate"
@headers[EXPIRES] = Time.now.httpdate
end
# Specify that the content could be cached.
def cache!(duration = 3600, access: "public")
unless cache_control = @headers[CACHE_CONTROL] and cache_control.include?(NO_CACHE)
@headers[CACHE_CONTROL] = "#{access}, max-age=#{duration}"
@headers[EXPIRES] = (Time.now + duration).httpdate
end
end
# Specify the content type of the response data.
def content_type= value
@headers[CONTENT_TYPE] = value
end
alias content_type! content_type=
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems