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Jun 19, 2008
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= Render Caching Cache render calls in Rails controllers. == Install First install the gem. gem install ryanb-render-caching --source=http://gems.github.com Then specify it in your Rails config. config.gem 'ryanb-render-caching', :lib => 'render_caching', :source => 'http://gems.github.com' Rails 2.1 or later required. == Usage This gem adds the render_with_cache method to all controllers. Call this inside of an action to cache the view. def show @user = User.find(params[:id]) render_with_cache end This will cache the full rendered contents into a key matching the URL path (similar to action caching). You can change this key by simply passing any parameter. def show @user = User.find(params[:id]) render_with_cache @user.cache_key end Cache key is a method supplied by Rails. This includes the updated_at time which will give you an auto-expiring cache when the user record is updated. You can also supply a block to the render call which will only get executed if there is no cache. Here is a good place to do any custom render calls. def show @user = User.find(params[:id]) render_with_cache @user.cache_key do render :layout => false end end == Development This project can be found on github at the following URL. http://github.com/ryanb/render-caching/ If you would like to contribute to this project, please fork the repository and send me a pull request.