PDFKIT

gistfile1.txt

http://stackoverflow.com/questions/68569/text-watermark-on-website-how-to-do-it

<style type="text/css">
#watermark {
  color: #d0d0d0;
  font-size: 200pt;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  position: absolute;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: -1;
  left:-100px;
  top:-200px;
}
</style>
<div id="watermark">
<p>This is the test version.</p>
</div>


http://stackoverflow.com/questions/5399458/render-to-string-does-not-find-partials-pdfkit-controller-response

respond_to do |format|
  format.html
  format.pdf {
    html = render_to_string(:layout => false , :action => "constitution.pdf.haml")
    kit = PDFKit.new(html)
    kit.stylesheets << "#{Rails.root}/public/stylesheets/pdf.css"
    send_data(kit.to_pdf, :filename => "#{@organisation_name} Constitution.pdf",
      :type => 'application/pdf', :disposition => 'inline')        
    return
  }
end


http://metaskills.net/2011/03/20/pdfkit-overview-and-advanced-usage/
/* Page Breaks */
.pb_before { page-break-before:always !important; }
.pb_after  { page-break-after:always !important; }
.pbi_avoid { page-break-inside:avoid !important; }

# My with authentication (sending session cookie name and value)

kit = PDFKit.new(model_url(@model), 'margin-left' => '10mm', 'margin-right' => '10mm', page_size: 'A5', cookie: "#{Rails::Application.config.session_options[:key]} #{cookies[Rails::Application.config.session_options[:key]]}")
file = kit.to_file("#{Rails.root}/tmp/invoices/#{@invoice.id}.pdf")

# My way, rendering file

# config/initializers/mime_types.rb
Mime::Type.register 'application/pdf', :pdf

#Controller

  def show
    @invoice = Model.find(params[:id])
    
    respond_to do |format|
      format.html { render layout: 'invoice' }
      format.pdf  { 
        
        unless File.exist?("#{Rails.root}/tmp/model/#{@model.id}.pdf")
          file = pdf_kit.to_file("#{Rails.root}/tmp/model/#{@model.id}.pdf")
        end
        
        send_file "#{Rails.root}/tmp/model/#{@model.id}_pre.pdf", :type => 'application/pdf' 
        
        }
      format.xml  { render :xml => @invoice }
    end
  end


private

 def pdf_kit
    html = render_to_string(action: :show, layout: 'invoice')
    kit = PDFKit.new(html, 'margin-left' => '10mm', 'margin-right' => '10mm', page_size: 'A5',)
    kit.stylesheets << "#{Rails.root}/public/stylesheets/model_pdf.css"
    kit
  end