generate_savon_objects.rb

module MyModule
# Regenerating code
end unless __FILE__ == $0

if __FILE__ == $0
  require 'savon'
  split_on = "#" + " Regenerating code"
  code = File.read(__FILE__).split(split_on).last

  wsdl_file_path = File.join(File.dirname(__FILE__), ARGV.first || raise("Gimme file!"))
  client = Savon.client(wsdl_file_path)
  wsdl = client.wsdl

  output = [
    "# Authomatically generated from WSDL. Use bundle exec objects.rb to regenerate",
    "",
    "module MyModule"
  ]

  wsdl.parser.xpath("//xs:complexType[@name]").each do |complex_type|
    name = complex_type["name"]

    parent = complex_type.xpath('.//xs:extension', "xs" => "http://www.w3.org/2001/XMLSchema").first
    parent = parent ? parent["base"].split(":").last : "ServiceBase"

    output << "  class #{ name } < #{parent}"
    to_validate = []
    complex_type.xpath('.//xs:element', "xs" => "http://www.w3.org/2001/XMLSchema").each do |element|
      a = element.attributes.dup
      name = a.delete("name").value
      type = a.delete("type").value.split(":").last
      minO = a.delete("minOccurs")
      maxO = a.delete("maxOccurs")
      required = minO ? minO.value.to_i : 0

      p a.keys unless a.empty?

      output << "    # %-40s : %-40s" % [name, type]
      to_validate << "    validates :#{name}, :presence => true" if required > 0
    end
    output << ""
    output += to_validate
    output << "  end\n"

  end


  output << "\n"
  output << split_on
  output << code.strip

  File.open(__FILE__, "w"){|f| f.write(output.join("\n")) } 
end