Signage Gist

signange.rb

class Day
  attr_accessor :day, :start_at, :end_at
  def initialize(day, start_at, end_at)
    @day = day
    @start_at = start_at
    @end_at = end_at
  end

  def same_time?(other_day)
    return false if other_day.nil?
    start_at == other_day.start_at && end_at == other_day.end_at
  end

end


class Signage
  attr_accessor :list
  def initialize
    @list = []
  end

  def duplicated_days(today, tomorrow, index, name_days)
    if today && tomorrow && today.same_time?(tomorrow)
      name_days = duplicated_days(tomorrow, list[index + 2], index + 3, name_days << tomorrow.day)
    end
    return name_days
  end

  def pretty_print
    printed_list = []
    looped_days = []
    
    list.each.with_index do |today, index|
      tomorrow = list[index + 1] if index < list.length - 1
      name_days = duplicated_days(today, tomorrow, index, [today.day])
      if looped_days.flatten.include?(today.day)
        next
      end
      looped_days << name_days
      if name_days.length == 1
        printed_list << "#{today.day}: #{today.start_at} - #{today.end_at}"
      elsif name_days.length == 2
        days = name_days.join(", ")
        printed_list << "#{days}: #{today.start_at} - #{today.end_at}"
      elsif name_days.length > 2
        days = "#{name_days.first} - #{name_days.last}"
        printed_list << "#{days}: #{today.start_at} - #{today.end_at}"
      end
    end
    printed_list
  end

end