diff options
Diffstat (limited to 'actionpack/lib/action_controller')
| -rw-r--r-- | actionpack/lib/action_controller/metal.rb | 8 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/metal/conditional_get.rb | 4 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/metal/rack_delegation.rb | 10 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/metal/rendering.rb | 11 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/renderer.rb | 100 |
5 files changed, 127 insertions, 6 deletions
diff --git a/actionpack/lib/action_controller/metal.rb b/actionpack/lib/action_controller/metal.rb index 993f8e150d..ae111e4951 100644 --- a/actionpack/lib/action_controller/metal.rb +++ b/actionpack/lib/action_controller/metal.rb @@ -190,11 +190,15 @@ module ActionController end def dispatch(name, request) #:nodoc: + set_request!(request) + process(name) + to_a + end + + def set_request!(request) #:nodoc: @_request = request @_env = request.env @_env['action_controller.instance'] = self - process(name) - to_a end def to_a #:nodoc: diff --git a/actionpack/lib/action_controller/metal/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb index b210ee3423..febbc72861 100644 --- a/actionpack/lib/action_controller/metal/conditional_get.rb +++ b/actionpack/lib/action_controller/metal/conditional_get.rb @@ -51,7 +51,7 @@ module ActionController # # def show # @article = Article.find(params[:id]) - # fresh_when(etag: @article, last_modified: @article.created_at, public: true) + # fresh_when(etag: @article, last_modified: @article.updated_at, public: true) # end # # This will render the show template if the request isn't sending a matching ETag or @@ -115,7 +115,7 @@ module ActionController # def show # @article = Article.find(params[:id]) # - # if stale?(etag: @article, last_modified: @article.created_at) + # if stale?(etag: @article, last_modified: @article.updated_at) # @statistics = @article.really_expensive_call # respond_to do |format| # # all the supported formats diff --git a/actionpack/lib/action_controller/metal/rack_delegation.rb b/actionpack/lib/action_controller/metal/rack_delegation.rb index 545d4a7e6e..ae9d89cc8c 100644 --- a/actionpack/lib/action_controller/metal/rack_delegation.rb +++ b/actionpack/lib/action_controller/metal/rack_delegation.rb @@ -8,9 +8,15 @@ module ActionController delegate :headers, :status=, :location=, :content_type=, :status, :location, :content_type, :response_code, :to => "@_response" - def dispatch(action, request) + module ClassMethods + def build_with_env(env = {}) #:nodoc: + new.tap { |c| c.set_request! ActionDispatch::Request.new(env) } + end + end + + def set_request!(request) #:nodoc: + super set_response!(request) - super(action, request) end def response_body=(body) diff --git a/actionpack/lib/action_controller/metal/rendering.rb b/actionpack/lib/action_controller/metal/rendering.rb index 7bbff0450a..2d15c39d88 100644 --- a/actionpack/lib/action_controller/metal/rendering.rb +++ b/actionpack/lib/action_controller/metal/rendering.rb @@ -4,6 +4,17 @@ module ActionController RENDER_FORMATS_IN_PRIORITY = [:body, :text, :plain, :html] + module ClassMethods + # Documentation at ActionController::Renderer#render + delegate :render, to: :renderer + + # Returns a renderer class (inherited from ActionController::Renderer) + # for the controller. + def renderer + @renderer ||= Renderer.for(self) + end + end + # Before processing, set the request formats in current controller formats. def process_action(*) #:nodoc: self.formats = request.formats.map(&:ref).compact diff --git a/actionpack/lib/action_controller/renderer.rb b/actionpack/lib/action_controller/renderer.rb new file mode 100644 index 0000000000..e8b29c5b5e --- /dev/null +++ b/actionpack/lib/action_controller/renderer.rb @@ -0,0 +1,100 @@ +require 'active_support/core_ext/hash/keys' + +module ActionController + # ActionController::Renderer allows to render arbitrary templates + # without requirement of being in controller actions. + # + # You get a concrete renderer class by invoking ActionController::Base#renderer. + # For example, + # + # ApplicationController.renderer + # + # It allows you to call method #render directly. + # + # ApplicationController.renderer.render template: '...' + # + # You can use a shortcut on controller to replace previous example with: + # + # ApplicationController.render template: '...' + # + # #render method allows you to use any options as when rendering in controller. + # For example, + # + # FooController.render :action, locals: { ... }, assigns: { ... } + # + # The template will be rendered in a Rack environment which is accessible through + # ActionController::Renderer#env. You can set it up in two ways: + # + # * by changing renderer defaults, like + # + # ApplicationController.renderer.defaults # => hash with default Rack environment + # + # * by initializing an instance of renderer by passing it a custom environment. + # + # ApplicationController.renderer.new(method: 'post', https: true) + # + class Renderer + class_attribute :controller, :defaults + # Rack environment to render templates in. + attr_reader :env + + class << self + delegate :render, to: :new + + # Create a new renderer class for a specific controller class. + def for(controller) + Class.new self do + self.controller = controller + self.defaults = { + http_host: 'example.org', + https: false, + method: 'get', + script_name: '', + 'rack.input' => '' + } + end + end + end + + # Accepts a custom Rack environment to render templates in. + # It will be merged with ActionController::Renderer.defaults + def initialize(env = {}) + @env = normalize_keys(defaults).merge normalize_keys(env) + @env['action_dispatch.routes'] = controller._routes + end + + # Render templates with any options from ActionController::Base#render_to_string. + def render(*args) + raise 'missing controller' unless controller? + + instance = controller.build_with_env(env) + instance.render_to_string(*args) + end + + private + def normalize_keys(env) + http_header_format(env).tap do |new_env| + handle_method_key! new_env + handle_https_key! new_env + end + end + + def http_header_format(env) + env.transform_keys do |key| + key.is_a?(Symbol) ? key.to_s.upcase : key + end + end + + def handle_method_key!(env) + if method = env.delete('METHOD') + env['REQUEST_METHOD'] = method.upcase + end + end + + def handle_https_key!(env) + if env.has_key? 'HTTPS' + env['HTTPS'] = env['HTTPS'] ? 'on' : 'off' + end + end + end +end |