## qresource.rb



module Qresource
  def get_parser(xml_str) # {{{
    begin
      p = XML::Parser.new
      p.string = xml_str
      p.parse
    rescue
      # TODO raise exception here!
      nil
    end
  end # }}}
end

## dt_user.rb

  def self.authenticate(login = '', password = '', api_url = '') # {{{
    rc = RestClient::Resource.new(
      api_url,
      :user => APP_CONFIG[:api][:backoffice][:user],
      :password => APP_CONFIG[:api][:backoffice][:password]
    )
    url = "/users/validate.xml?login=#{login}&password=#{password}"
    begin
      response = rc[url].get
      doc = get_parser( response )
      valid_password = doc.find_first('valid_password')
      if valid_password.content == 'yes'
        logger.debug "found valid password hurray!"
        return DtUser.new :login => login, :password => password, :api_url => api_url
      else
        logger.warn "valid_password #{valid_password.content}"
        return false
      end
    rescue
      logger.error "call/parsing failed with #{$!}"
      return false
    end
    logger.error "unable to login with #{login}/#{password} @ #{api_url}"
    return false
  end
end

## explain.txt
results in "unkown method get_parser"

the dt_user is somewhat different from the rest of the qresource's since it needs a super-custom call to validate password.

regular qresource objects are not used as singletons...