render outside your controller

Rails: Calling render() outside your Controllers
Calling Rails Render Partial in a Model or Background Task


<br /># lib/render_anywhere.rb<br /># <br /># Render templates outside of a controller or view.<br /># <br /># Simply mixin this module to your existing class, for example:<br /># <br /># class MyTemplater < ActiveRecord::Base<br /># include RenderAnywhere<br /># <br /># And you can use render() method that works the same as ActionView::Base#render<br /># <br /># obj = MyTemplater.new<br /># obj.html = obj.render :file => '/shared/header'<br /># <br /># <br />module RenderAnywhere<br /> <br /> class DummyController<br /> def logger<br /> RAILS_DEFAULT_LOGGER<br /> end<br /> def headers<br /> {}<br /> end<br /> end<br /> <br /> def render(options, assigns = {})<br /> viewer = ActionView::Base.new(Rails::Configuration.new.view_path, assigns, DummyController.new)<br /> viewer.render options<br /> end<br /> <br /> def template_exists?(path, assigns = {})<br /> viewer = ActionView::Base.new(Rails::Configuration.new.view_path, assigns, DummyController.new)<br /> viewer.pick_template_extension(path) rescue false<br /> end<br />end<br /><br />class Page < ActiveRecord::Base<br /><br /> def write_cache<br /> self.cached_content = ActionView::Base.new(Rails::Configuration.new.view_path).render(:partial => "pages/show", :locals => {:page => self})<br /> self.save<br /> end<br /><br />end