find_or_create_by with the option to pass (..., case_sensitive: false)

model_method.rb

# from http://stackoverflow.com/a/2439293/1396264
  def self.find_or_create_by_name(*args)
    puts args.inspect
    options = args.extract_options!
    options[:name] = args[0] if args[0].is_a?(String)
    case_sensitive = options.delete(:case_sensitive)
    conditions = case_sensitive ? ['name = ?', options[:name]] :
    ['UPPER(name) = ?', options[:name].upcase]
    where(conditions).first || create(options)
  end