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Add a hook like after_filter, but runs before your action is rendered

Rails 3

Using rails3? See https://github.com/shell/rails3_before_render

BeforeRender

Add a hook like before_filter to your controllers that gets executed between when your action is completed and the template is rendered. It can really DRY up loading some data that is used for views (headers / layouts / etc).

Provided methods: before_render / before_render_filter / append_before_render_filter (aliases) prepend_before_render_filter

TODO

It doesn't have the skip_before_render_filter logic.

ActionController::Filters::FilterChain encodes logic about the types of filters that exist all over the place where it could be more generic, maybe try to merge some of this back into rails core.

Example

class MyController < ApplicationController before_render :load_header_image_based_on_hostname

private def load_header_image_based_on_hostname @header_image = HeaderImage.src_for_request(request) end end

in the layout or view

header image

Copyright (c) 2009 [name of plugin creator], released under the MIT license