contents_controller.rb

class ContentsController < ApplicationController
  def update id, content
    @content = Content.get id

    if @content.update_attributes_from_params_hash content
      redirect content_url(@content, :action => :show), :message => {
          :notice => "#{h(@content_type.name)} was successfully saved"}
    else
      message[:error] = "#{h(@content_type.name)} failed to be saved"
      render :edit
    end
  end
end

params_hash.rb

"content" => {
  "55" => "<p>Collin's company makes software that lets its users build their own web sites, without any programming.</p>",
  "56" => "41.878003,-93.097702", 
  "46" => "", 
  "40" => "Collin's Company", 
  "51" => ""
}