LafayetteCollegeLibraries/spot

# frozen_string_literal: true
class PublicationIndexer < BaseIndexer
  include IndexesEnglishLanguageDates

  self.sortable_date_property = :date_issued

  # @return [Hash]
  def generate_solr_document
    super.tap do |solr_doc|
      solr_doc['license_tsm'] = object.license if object.license.present?

      store_full_text_content(solr_doc)
      store_years_encompassed(solr_doc)
    end
  end

  private

  # Store the full text content of all the contained file-sets
  #
  # @param [SolrDocument] doc
  # @return [void]
  def store_full_text_content(doc)
    doc['extracted_text_tsimv'] = object.file_sets.map do |fs|
      fs.extracted_text.present? ? fs.extracted_text.content.strip : ''
    end
  end

  # @param [SolrDocument] doc
  # @return [void]
  def store_years_encompassed(doc)
    doc['years_encompassed_iim'] = object.date_issued.map { |d| parse_year(d) }.reject(&:blank?)
  end

  # @param date [String]
  # @return [Number]
  def parse_year(date)
    DateTime.parse(d).utc.year
  rescue
    year_match = date.match(/^(\d{4})/)
    return nil if year_match.nil?

    year_match[1].to_i
  end
end