Class: Holidays::UseCase::Context::Between

Inherits:
Object
  • Object
show all
Defined in:
lib/holidays/use_case/context/between.rb

Instance Method Summary collapse

Constructor Details

#initialize(holidays_by_month_repo, day_of_month_calculator, proc_cache_repo) ⇒ Between

Returns a new instance of Between.



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# File 'lib/holidays/use_case/context/between.rb', line 5

def initialize(holidays_by_month_repo, day_of_month_calculator, proc_cache_repo)
  @holidays_by_month_repo = holidays_by_month_repo
  @day_of_month_calculator = day_of_month_calculator
  @proc_cache_repo = proc_cache_repo
end

Instance Method Details

#call(start_date, end_date, dates_driver, regions, observed, informal) ⇒ Object 



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# File 'lib/holidays/use_case/context/between.rb', line 11

def call(start_date, end_date, dates_driver, regions, observed, informal)
  validate!(start_date, end_date, dates_driver, regions)

  holidays = []

  dates_driver.each do |year, months|
    months.each do |month|
      next unless hbm = holidays_by_month_repo.find_by_month(month)
      hbm.each do |h|
        next unless in_region?(regions, h[:regions])

        # Skip informal holidays unless they have been requested
        next if h[:type] == :informal and not informal

        # range check feature.
        if h[:year_ranges]
          valid_range_year = false
          h[:year_ranges].each do |year_range|
            next unless year_range.is_a?(Hash) && year_range.length == 1
            next unless year_range.select{
              |operator,year|[:before,"before",:after,"after",:limited,"limited",:between,"between"].include?(operator)}.count > 0
            case year_range.keys.first
            when :before,"before"
              valid_range_year = true if year <= year_range[year_range.keys.first]
            when :after,"after"
              valid_range_year = true if year >= year_range[year_range.keys.first]
            when :limited,"limited"
              valid_range_year = true if year_range[year_range.keys.first].include?(year)
            when :between,"between"
              year_range[year_range.keys.first] = Range.new(*year_range[year_range.keys.first].split("..").map(&:to_i)) if year_range[year_range.keys.first].is_a?(String)
              valid_range_year = true if year_range[year_range.keys.first].cover?(year)
            end
            break if valid_range_year
          end
          next unless valid_range_year
        end

        if h[:function]
          # Holiday definition requires a calculation
          result = call_proc(h[:function], year)
          # Procs may return either Date or an integer representing mday
          if result.kind_of?(Date)
            month = result.month
            mday = result.mday
          else
            mday = result
          end
        else
          # Calculate the mday
          mday = h[:mday] || day_of_month_calculator.call(year, month, h[:week], h[:wday])
        end

        # Silently skip bad mdays
        begin
          date = Date.civil(year, month, mday)
        rescue; next; end

        # If the :observed option is set, calculate the date when the holiday
        # is observed.
        if observed and h[:observed]
          date = call_proc(h[:observed], date)
        end

        if date.between?(start_date, end_date)
          holidays << {:date => date, :name => h[:name], :regions => h[:regions]}
        end
      end
    end
  end

  holidays.sort{|a, b| a[:date] <=> b[:date] }
end