class ApplicationController < ActionController::Base
  def method_missing(meth, *args, &block)
    if var_name = meth.to_s.match(/^get_(\S*)/)
      if params["#{var_name[1]}_id".to_sym]
        instance_variable_set("@#{var_name[1]}", Object.const_get(var_name[1].camelize).find(params["#{var_name[1]}_id".to_sym]))
      end
    else
      super
    end
  end
end