ref_cove.rb

# is there a "proper" way to do this?
# I want to return a pdf via prince if it is a pdf requested
# Otherwise return html reponse


class RefCove < Application
  def show(id, cove_id)
    provides :pdf, :html
    @cove = Cove.get(cove_id)
    raise NotFound if @cove.nil?
    return display @cove unless params[:format].eql?("pdf")
    
    html_string = render("", {:format => :html, :template => "pdf/int", :layout => "pdf"})
    html_string.gsub!("src=\'", "src=\'#{Merb.root}/public")
    prince = Prince.new()
    prince.add_style_sheets("#{Merb.root}/public/stylesheets/pdf.css")
    prince.add_style_sheets("#{Merb.root}/public/stylesheets/prince.css")
    headers.update(
      "Content-Type"              => "application/pdf",
      "Content-Transfer-Encoding" => "binary"
    )
    prince.pdf_from_string(html_string)
  end
end