Is “proc” required with conditional before_action/before_filter?

Question

Behold, a before_filter:

class ThingController < ApplicationController
  before_filter :check_stuff, :if => proc {Rails.env.production?}
end
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Answer 1

i have done this on my code while ago. I hope that example helps to you. If you can use if statement but that should point to another method like I did here.

class Admin::ArticlesController < ApplicationController
  before_filter :deny_access, :unless => :draft_and_admin?

  def show
    @article = Article.find(params[:id])
  end

  protected

  def draft_and_admin?
    Article.find(params[:id]).draft? && current_user.admin?
  end
end