Module: Normatron::Extensions::ActiveRecord::ClassMethods

Defined in:
lib/normatron/extensions/active_record.rb

Instance Method Summary collapse

Instance Method Details

#normalize(*args) ⇒ Object

Raises:



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# File 'lib/normatron/extensions/active_record.rb', line 22

def normalize(*args)
  # Check existence of all attributes
  options = args.extract_options!
  filters, columns = args.map(&:to_s), column_names
  raise UnknownAttributeError if (columns & filters).size != filters.size

  # Specify the use of default filters or not
  if options[:with].nil? || options[:with].blank?
    new_filters = Normatron.config.default_filters
  else
    new_filters = Normatron.build_hash(options[:with])
  end

  # Append to older filters hash
  @normalize_filters ||= {}
  @normalize_filters =
  args.reduce(@normalize_filters) do |hash, att|
    filters = (@normalize_filters[att] || {}).merge(new_filters)
    hash.merge({att => filters})
  end
end