Ugly code

gistfile1.rb

  def in_range?(day)
    return true if start_date.nil? || end_date.nil?
    # Overlaps onto new year, e.g. winter season
    if start_date.month > end_date.month
      if day.to_date.month >= start_date.month && day.to_date.month <= 12 # Checking date still in current year
        if day.to_date.month >= start_date.month
          if day.to_date.month == start_date.month
            return true if day.to_date.day >= start_date.day
            return false
          end
          return true
        end
      else # Checking date of a new year
        if day.to_date.month <= end_date.month
          if day.to_date.month == end_date.month
            return true if day.to_date.day <= end_date.day
            return false
          end
          return true
        end
      end
    else # Does not overlap to new year, e.g. summer season
      if day.to_date.month >= start_date.month && day.to_date.month <= end_date.month
        if day.to_date.month == start_date.month
          return true if day.to_date.day >= start_date.day
          return false
        elsif day.to_date.month == end_date.month
          return true if day.to_date.day <= end_date.day
          return false
        end
        return true
      end
    end
    return false
  end