gistfile1.builder

if File.exist?('haiti.json.txt')
    # parse the file
    p "reading from the existing file ...."
    jsonfile= File.open("haiti.json.txt", "r")
    results= jsonfile.read
    parsed_results= Crack::JSON.parse(results)
    @incidents = parsed_results['payload']['incidents']
    
    pdf.bounding_box([x_pos, y_pos], :width => 300, :height => 400) do  
      @incidents.each do |i|
        pdf.text i['incident']['incidentdescription']
        pdf.start_new_page
      end    
    end
    jsonfile.close
    pdf.render_file("book.pdf")
    `open book.pdf`
  else
    # write the file
    p "reading directly from instance API ..."  
    response= HTTParty.get("http://haiti.ushahidi.com/api?task=incidents&by=all")
    jsonfile= File.new("haiti.json.txt", "w")
    data = response.body
    puts data
    jsonfile.write(data)
    jsonfile.close
  end