Fun with Goals and Strategies

goal_and_strategies.rb

class Base
  def initialize(id)
    @id = id
  end

  def name
    "#{self.class.name} #{@id}"
  end
end

class Goal < Base
end

class Strategy < Base
end

def roman_numeral(num)
  case num
  when 1
    "I"
  when 2
    "II"
  when 3
    "III"
  when 4
    "IV"
  end
end

def alpha_numeral(num)
  ("A".."Z").to_a[num - 1]
end

goals_and_strategies = [Strategy.new(1), Goal.new(1), Goal.new(2), Strategy.new(2), Goal.new(3), Strategy.new(3), Goal.new(4), Strategy.new(4)]

strategy_index = 0
goal_index = 0

goals_and_strategies.each.with_index do |item, index|
  if item.is_a?(Goal)
    goal_index += 1
    pp [" ", alpha_numeral(goal_index), item.name].join(" ")
  elsif item.is_a?(Strategy)
    strategy_index += 1
    goal_index = 0
    pp [roman_numeral(strategy_index), item.name].join(" ")
  end
end