diff options
Diffstat (limited to 'actionpack/lib')
-rw-r--r-- | actionpack/lib/action_controller.rb | 3 | ||||
-rw-r--r-- | actionpack/lib/action_controller/api.rb | 145 | ||||
-rw-r--r-- | actionpack/lib/action_controller/base.rb | 6 | ||||
-rw-r--r-- | actionpack/lib/action_controller/metal/basic_implicit_render.rb | 11 | ||||
-rw-r--r-- | actionpack/lib/action_controller/metal/implicit_render.rb | 9 | ||||
-rw-r--r-- | actionpack/lib/action_controller/test_case.rb | 2 | ||||
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/static.rb | 7 | ||||
-rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 25 | ||||
-rw-r--r-- | actionpack/lib/action_dispatch/routing/route_set.rb | 22 |
9 files changed, 203 insertions, 27 deletions
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb index a1893ce920..89fc4520d3 100644 --- a/actionpack/lib/action_controller.rb +++ b/actionpack/lib/action_controller.rb @@ -7,6 +7,7 @@ require 'action_controller/metal/strong_parameters' module ActionController extend ActiveSupport::Autoload + autoload :API autoload :Base autoload :Caching autoload :Metal @@ -15,7 +16,6 @@ module ActionController autoload :FormBuilder autoload_under "metal" do - autoload :Compatibility autoload :ConditionalGet autoload :Cookies autoload :DataStreaming @@ -25,6 +25,7 @@ module ActionController autoload :Head autoload :Helpers autoload :HttpAuthentication + autoload :BasicImplicitRender autoload :ImplicitRender autoload :Instrumentation autoload :MimeResponds diff --git a/actionpack/lib/action_controller/api.rb b/actionpack/lib/action_controller/api.rb new file mode 100644 index 0000000000..d8149e0232 --- /dev/null +++ b/actionpack/lib/action_controller/api.rb @@ -0,0 +1,145 @@ +require 'action_view' +require 'action_controller' +require 'action_controller/log_subscriber' + +module ActionController + # API Controller is a lightweight version of <tt>ActionController::Base</tt>, + # created for applications that don't require all functionality that a complete + # \Rails controller provides, allowing you to create controllers with just the + # features that you need for API only applications. + # + # An API Controller is different from a normal controller in the sense that + # by default it doesn't include a number of features that are usually required + # by browser access only: layouts and templates rendering, cookies, sessions, + # flash, assets, and so on. This makes the entire controller stack thinner, + # suitable for API applications. It doesn't mean you won't have such + # features if you need them: they're all available for you to include in + # your application, they're just not part of the default API Controller stack. + # + # By default, only the ApplicationController in a \Rails application inherits + # from <tt>ActionController::API</tt>. All other controllers in turn inherit + # from ApplicationController. + # + # A sample controller could look like this: + # + # class PostsController < ApplicationController + # def index + # @posts = Post.all + # render json: @posts + # end + # end + # + # Request, response and parameters objects all work the exact same way as + # <tt>ActionController::Base</tt>. + # + # == Renders + # + # The default API Controller stack includes all renderers, which means you + # can use <tt>render :json</tt> and brothers freely in your controllers. Keep + # in mind that templates are not going to be rendered, so you need to ensure + # your controller is calling either <tt>render</tt> or <tt>redirect</tt> in + # all actions, otherwise it will return 204 No Content response. + # + # def show + # @post = Post.find(params[:id]) + # render json: @post + # end + # + # == Redirects + # + # Redirects are used to move from one action to another. You can use the + # <tt>redirect</tt> method in your controllers in the same way as + # <tt>ActionController::Base</tt>. For example: + # + # def create + # redirect_to root_url and return if not_authorized? + # # do stuff here + # end + # + # == Adding new behavior + # + # In some scenarios you may want to add back some functionality provided by + # <tt>ActionController::Base</tt> that is not present by default in + # <tt>ActionController::API</tt>, for instance <tt>MimeResponds</tt>. This + # module gives you the <tt>respond_to</tt> and <tt>respond_with</tt> methods. + # Adding it is quite simple, you just need to include the module in a specific + # controller or in <tt>ApplicationController</tt> in case you want it + # available to your entire app: + # + # class ApplicationController < ActionController::API + # include ActionController::MimeResponds + # end + # + # class PostsController < ApplicationController + # def index + # @posts = Post.all + # + # respond_to do |format| + # format.json { render json: @posts } + # format.xml { render xml: @posts } + # end + # end + # end + # + # Quite straightforward. Make sure to check <tt>ActionController::Base</tt> + # available modules if you want to include any other functionality that is + # not provided by <tt>ActionController::API</tt> out of the box. + class API < Metal + abstract! + + # Shortcut helper that returns all the ActionController::API modules except the ones passed in the argument: + # + # class MetalController + # ActionController::API.without_modules(:Redirecting, :DataStreaming).each do |left| + # include left + # end + # end + # + # This gives better control over what you want to exclude and makes it easier + # to create an api controller class, instead of listing the modules required manually. + def self.without_modules(*modules) + modules = modules.map do |m| + m.is_a?(Symbol) ? ActionController.const_get(m) : m + end + + MODULES - modules + end + + MODULES = [ + AbstractController::Rendering, + + UrlFor, + Redirecting, + Rendering, + Renderers::All, + ConditionalGet, + RackDelegation, + BasicImplicitRender, + StrongParameters, + + ForceSSL, + DataStreaming, + + # Before callbacks should also be executed the earliest as possible, so + # also include them at the bottom. + AbstractController::Callbacks, + + # Append rescue at the bottom to wrap as much as possible. + Rescue, + + # Add instrumentations hooks at the bottom, to ensure they instrument + # all the methods properly. + Instrumentation, + + # Params wrapper should come before instrumentation so they are + # properly showed in logs + ParamsWrapper + ] + + MODULES.each do |mod| + include mod + end + + ActiveSupport.run_load_hooks(:action_controller, self) + end +end diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb index bfae372f53..2c3b3f4e05 100644 --- a/actionpack/lib/action_controller/base.rb +++ b/actionpack/lib/action_controller/base.rb @@ -50,9 +50,9 @@ module ActionController # # == Parameters # - # All request parameters, whether they come from a GET or POST request, or from the URL, are available through the params method - # which returns a hash. For example, an action that was performed through <tt>/posts?category=All&limit=5</tt> will include - # <tt>{ "category" => "All", "limit" => "5" }</tt> in params. + # All request parameters, whether they come from a query string in the URL or form data submitted through a POST request are + # available through the params method which returns a hash. For example, an action that was performed through + # <tt>/posts?category=All&limit=5</tt> will include <tt>{ "category" => "All", "limit" => "5" }</tt> in params. # # It's also possible to construct multi-dimensional parameter hashes by specifying keys using brackets, such as: # diff --git a/actionpack/lib/action_controller/metal/basic_implicit_render.rb b/actionpack/lib/action_controller/metal/basic_implicit_render.rb new file mode 100644 index 0000000000..6c6f8381ff --- /dev/null +++ b/actionpack/lib/action_controller/metal/basic_implicit_render.rb @@ -0,0 +1,11 @@ +module ActionController + module BasicImplicitRender + def send_action(method, *args) + super.tap { default_render unless performed? } + end + + def default_render(*args) + head :no_content + end + end +end diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb index 1573ea7099..d66b2214ce 100644 --- a/actionpack/lib/action_controller/metal/implicit_render.rb +++ b/actionpack/lib/action_controller/metal/implicit_render.rb @@ -1,17 +1,14 @@ module ActionController module ImplicitRender - def send_action(method, *args) - ret = super - default_render unless performed? - ret - end + + include BasicImplicitRender def default_render(*args) if template_exists?(action_name.to_s, _prefixes, variants: request.variant) render(*args) else logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content" if logger - head :no_content + super end end diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb index d34149143f..96f161fb09 100644 --- a/actionpack/lib/action_controller/test_case.rb +++ b/actionpack/lib/action_controller/test_case.rb @@ -165,7 +165,7 @@ module ActionController # class BooksControllerTest < ActionController::TestCase # def test_create # # Simulate a POST response with the given HTTP parameters. - # post(:create, book: { title: "Love Hina" }) + # post(:create, params: { book: { title: "Love Hina" }}) # # # Assert that the controller tried to redirect us to # # the created book's URI. diff --git a/actionpack/lib/action_dispatch/middleware/static.rb b/actionpack/lib/action_dispatch/middleware/static.rb index 3aa0eef4ad..b098ea389f 100644 --- a/actionpack/lib/action_dispatch/middleware/static.rb +++ b/actionpack/lib/action_dispatch/middleware/static.rb @@ -13,7 +13,7 @@ module ActionDispatch # located at `public/assets/application.js` if the file exists. If the file # does not exist, a 404 "File not Found" response will be returned. class FileHandler - def initialize(root, cache_control, index = 'index') + def initialize(root, cache_control, index: 'index') @root = root.chomp('/') @compiled_root = /^#{Regexp.escape(root)}/ headers = cache_control && { 'Cache-Control' => cache_control } @@ -21,7 +21,6 @@ module ActionDispatch @index = index end - # Takes a path to a file. If the file is found, has valid encoding, and has # correct read permissions, the return value is a URI-escaped string # representing the filename. Otherwise, false is returned. @@ -105,9 +104,9 @@ module ActionDispatch # produce a directory traversal using this middleware. Only 'GET' and 'HEAD' # requests will result in a file being returned. class Static - def initialize(app, path, cache_control = nil, index = 'index') + def initialize(app, path, cache_control = nil, index: 'index') @app = app - @file_handler = FileHandler.new(path, cache_control, index) + @file_handler = FileHandler.new(path, cache_control, index: index) end def call(env) diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 15980db39b..7cfe4693c1 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -1042,7 +1042,7 @@ module ActionDispatch class Resource #:nodoc: attr_reader :controller, :path, :options, :param - def initialize(entities, options = {}) + def initialize(entities, api_only = false, options = {}) @name = entities.to_s @path = (options[:path] || @name).to_s @controller = (options[:controller] || @name).to_s @@ -1050,10 +1050,15 @@ module ActionDispatch @param = (options[:param] || :id).to_sym @options = options @shallow = false + @api_only = api_only end def default_actions - [:index, :create, :new, :show, :update, :destroy, :edit] + if @api_only + [:index, :create, :show, :update, :destroy] + else + [:index, :create, :new, :show, :update, :destroy, :edit] + end end def actions @@ -1120,7 +1125,7 @@ module ActionDispatch end class SingletonResource < Resource #:nodoc: - def initialize(entities, options) + def initialize(entities, api_only, options) super @as = nil @controller = (options[:controller] || plural).to_s @@ -1128,7 +1133,11 @@ module ActionDispatch end def default_actions - [:show, :create, :update, :destroy, :new, :edit] + if @api_only + [:show, :create, :update, :destroy] + else + [:show, :create, :update, :destroy, :new, :edit] + end end def plural @@ -1178,7 +1187,7 @@ module ActionDispatch return self end - resource_scope(:resource, SingletonResource.new(resources.pop, options)) do + resource_scope(:resource, SingletonResource.new(resources.pop, api_only?, options)) do yield if block_given? concerns(options[:concerns]) if options[:concerns] @@ -1336,7 +1345,7 @@ module ActionDispatch return self end - resource_scope(:resources, Resource.new(resources.pop, options)) do + resource_scope(:resources, Resource.new(resources.pop, api_only?, options)) do yield if block_given? concerns(options[:concerns]) if options[:concerns] @@ -1768,6 +1777,10 @@ module ActionDispatch delete :destroy if parent_resource.actions.include?(:destroy) end end + + def api_only? + @set.api_only? + end end # Routing Concerns allow you to declare common routes that can be reused diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb index cf35e85b40..454593b59f 100644 --- a/actionpack/lib/action_dispatch/routing/route_set.rb +++ b/actionpack/lib/action_dispatch/routing/route_set.rb @@ -319,17 +319,23 @@ module ActionDispatch end def self.new_with_config(config) + route_set_config = DEFAULT_CONFIG + + # engines apparently don't have this set if config.respond_to? :relative_url_root - new Config.new config.relative_url_root - else - # engines apparently don't have this set - new + route_set_config.relative_url_root = config.relative_url_root + end + + if config.respond_to? :api_only + route_set_config.api_only = config.api_only end + + new route_set_config end - Config = Struct.new :relative_url_root + Config = Struct.new :relative_url_root, :api_only - DEFAULT_CONFIG = Config.new(nil) + DEFAULT_CONFIG = Config.new(nil, false) def initialize(config = DEFAULT_CONFIG) self.named_routes = NamedRouteCollection.new @@ -352,6 +358,10 @@ module ActionDispatch @config.relative_url_root end + def api_only? + @config.api_only + end + def request_class ActionDispatch::Request end |