gistfile1.txt

  def generate_site_code
    # Remove all non letters characters
    site_name = name.gsub(/[^a-zA-Z]/, '')

    # Make sure the site name is at least 5 characters
    site_name += Array(('a'..'z')).shuffle[0, (5 - site_name.length)].join if site_name.length < 5

    # The site code is made up of the country and state code plus the first 5 characters of the site name
    code = country.code[0..1] + (city.state.code? ? city.state.code[0..2] : country.description[0..2]) + site_name[0..4]
    self.code = code.upcase

    # Check to make sure the code is unique, if not change the site name slightly
    while Site.where("code = ?", self.code).count > 0
      site_name = site_name[0..2] + Array(('a'..'z')).shuffle[0..1].join
      code = country.code + city.state.code + site_name
      self.code = code.upcase
    end
  end