diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/responder.rb')
-rw-r--r-- | actionpack/lib/action_controller/metal/responder.rb | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/actionpack/lib/action_controller/metal/responder.rb b/actionpack/lib/action_controller/metal/responder.rb index 4b45413cf8..59a3621f72 100644 --- a/actionpack/lib/action_controller/metal/responder.rb +++ b/actionpack/lib/action_controller/metal/responder.rb @@ -77,6 +77,37 @@ module ActionController #:nodoc: # # respond_with(@project, :manager, @task) # + # === Custom options + # + # <code>respond_with</code> also allow you to pass options that are forwarded + # to the underlying render call. Those options are only applied success + # scenarios. For instance, you can do the following in the create method above: + # + # def create + # @project = Project.find(params[:project_id]) + # @task = @project.comments.build(params[:task]) + # flash[:notice] = 'Task was successfully created.' if @task.save + # respond_with(@project, @task, :status => 201) + # end + # + # This will return status 201 if the task was saved with success. If not, + # it will simply ignore the given options and return status 422 and the + # resource errors. To customize the failure scenario, you can pass a + # a block to <code>respond_with</code>: + # + # def create + # @project = Project.find(params[:project_id]) + # @task = @project.comments.build(params[:task]) + # respond_with(@project, @task, :status => 201) do |format| + # if @task.save + # flash[:notice] = 'Task was successfully created.' + # else + # format.html { render "some_special_template" } + # end + # end + # end + # + # Using <code>respond_with</code> with a block follows the same syntax as <code>respond_to</code>. class Responder attr_reader :controller, :request, :format, :resource, :resources, :options @@ -131,7 +162,11 @@ module ActionController #:nodoc: # responds to :to_format and display it. # def to_format - default_render + if get? || !has_errors? + default_render + else + display_errors + end rescue ActionView::MissingTemplate => e api_behavior(e) end @@ -155,8 +190,6 @@ module ActionController #:nodoc: if get? display resource - elsif has_errors? - display resource.errors, :status => :unprocessable_entity elsif post? display resource, :status => :created, :location => api_location elsif has_empty_resource_definition? @@ -185,7 +218,7 @@ module ActionController #:nodoc: # controller. # def default_render - @default_response.call + @default_response.call(options) end # Display is just a shortcut to render a resource with the current format. @@ -209,6 +242,10 @@ module ActionController #:nodoc: controller.render given_options.merge!(options).merge!(format => resource) end + def display_errors + controller.render format => resource.errors, :status => :unprocessable_entity + end + # Check whether the resource has errors. # def has_errors? |