Contents

# frozen_string_literal: true

require_relative '../../../../era/japan/version'
require_relative './range'

# :nodoc:
module Zakuro
  # :nodoc:
  module Calculation
    # :nodoc:
    module Version
      #
      # 暦検索
      #
      module Crawler
        class << self
          #
          # 暦の範囲を取得する
          #
          # @param [Integer] start_year 開始西暦年
          # @param [Integer] last_year 終了西暦年
          #
          # @return [Array<Range>] 暦の範囲
          #
          def get(start_year:, last_year:)
            ranges = Japan::Version.ranges_with_year(start_year: start_year, last_year: last_year)

            result = []

            ranges.each do |range|
              next unless range.released

              narrowed_range = narrow(range: range, start_year: start_year, last_year: last_year)

              result.push(narrowed_range)
            end

            result
          end

          private

          #
          # 範囲を開始年・終了年に合わせて狭める
          #
          # @param [Range] range 範囲
          # @param [Integer] start_year 開始西暦年
          # @param [Integer] last_year 終了西暦年
          #
          # @return [Range] 範囲
          #
          def narrow(range:, start_year:, last_year:)
            range_start_year = range.start_year
            range_start_year = start_year if start_year > range.start_year

            range_last_year = range.last_year
            range_last_year = last_year if last_year < range.last_year

            Range.new(
              name: range.name, start_date: range.start_date.clone,
              start_year: range_start_year, last_year: range_last_year
            )
          end
        end
      end
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
zakuro-0.9.4	lib/zakuro/calculation/era/version/internal/crawler.rb
zakuro-0.9.3	lib/zakuro/calculation/era/version/internal/crawler.rb
zakuro-0.9.2	lib/zakuro/calculation/era/version/internal/crawler.rb
zakuro-0.9.1	lib/zakuro/calculation/era/version/internal/crawler.rb
zakuro-0.9.0	lib/zakuro/calculation/era/version/internal/crawler.rb
zakuro-0.8.0	lib/zakuro/calculation/era/version/internal/crawler.rb