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form_configurable.rb 1.7KB

    module FormConfigurable extend ActiveSupport::Concern included do class_attribute :_form_configurable_fields self._form_configurable_fields = HashWithIndifferentAccess.new { |h,k| h[k] = [] } end delegate :form_configurable_attributes, to: :class delegate :form_configurable_fields, to: :class def is_form_configurable? true end def validate_option(method) if self.respond_to? "validate_#{method}".to_sym self.send("validate_#{method}".to_sym) else false end end def complete_option(method) if self.respond_to? "complete_#{method}".to_sym self.send("complete_#{method}".to_sym) end end module ClassMethods def form_configurable(name, *args) options = args.extract_options!.reverse_merge(roles: [], type: :string) if args.all? { |arg| arg.is_a?(Symbol) } options.assert_valid_keys([:type, :roles, :values, :ace]) end if options[:type] == :array && (options[:values].blank? || !options[:values].is_a?(Array)) raise ArgumentError.new('When using :array as :type you need to provide the :values as an Array') end if options[:roles].is_a?(Symbol) options[:roles] = [options[:roles]] end if options[:type] == :array options[:roles] << :completable class_eval <<-EOF def complete_#{name} #{options[:values]}.map { |v| {text: v, id: v} } end EOF end _form_configurable_fields[name] = options end def form_configurable_fields self._form_configurable_fields end def form_configurable_attributes form_configurable_fields.keys end end end