pulibrary / bibdata / f04bc944-f9b4-4a42-8b26-dcacd0e3e688

class AlmaAdapter

  class RecapAlmaHolding < AlmaHolding

    def enriched_852

      super.map do |original_field|

        original_field.tap do |field|

          call_no = callno_from_852(field)

          field.subfields.delete_if { |s| %w[h i].include? s.code }

          field.append(MARC::Subfield.new('h', call_no))

          combine_location(field)

        end

      end

    end

    private

      def combine_location(field)

        return if field['b'].to_s.include?('$')

        b_code = "#{field['b']}$#{field['c']}"

        field.subfields.delete_if { |s| s.code == 'b' }

        field.append(MARC::Subfield.new('b', b_code))

      end

      def callno_from_852(field)

        call_no = field['h']

        return call_no if call_no.nil?

        call_no << (' ' + field['i']) if field['i']

        call_no.gsub!(/^[[:blank:]]+(.*)$/, '\1')

        call_no

      end

  end

end