Merge pull request #63 from scientist-softserv/add-data-to-test-year-…

…facet

⚙️ Bring over `year_range` from `ngao`

lib/arclight/traject/ead2_config.rb

@@ -12,7 +12,8 @@
 require 'active_model/conversion' ## Needed for Arclight::Repository
 require 'active_support/core_ext/array/wrap'
 require 'arclight/digital_object'
-require 'arclight/year_range'
+# IU customization: allow for collection date ranges over 1,000 years
+require_relative '../../ngao/year_range'
 require 'arclight/repository'
 require 'arclight/traject/nokogiri_namespaceless_reader'
 require 'debug' ## Needed for debugging
@@ -230,7 +231,7 @@
 to_field 'genreform_ssim', extract_xpath('/ead/archdesc/controlaccess/genreform')
 
 to_field 'date_range_isim', extract_xpath('/ead/archdesc/did/unitdate/@normal', to_text: false) do |_record, accumulator|
-  range = Arclight::YearRange.new
+  range = ::Ngao::YearRange.new
   next range.years if accumulator.blank?
 
   ranges = accumulator.map(&:to_s)

lib/ngao/year_range.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'arclight/year_range'
+
+module Ngao
+  class YearRange < Arclight::YearRange
+    # @param [String] `dates` in the form YYYY/YYYY
+    # @return [Array<Integer>] the set of years in the given range
+    def parse_range(dates)
+      return if dates.blank?
+
+      start_year, end_year = dates.split('/').map { |date| to_year_from_iso8601(date) }
+      return [start_year] if end_year.blank?
+      # Original in Arclight checks that date ranges can't be larger than 1000 years, we don't want that in NGAO
+      # raise ArgumentError, "Range is too large: #{dates}" if (end_year - start_year) > 1000
+      raise ArgumentError, "Range is inverted: #{dates}" unless start_year <= end_year
+
+      (start_year..end_year).to_a
+    end
+  end
+end