如何计算方法中的方法 [英] How to count a method within a method

问题描述

如果我们创建一个名为 days_left_in_current_level 的新方法，我们需要在那里放一些，以便我们可以计算 current_level ？

If we create a new method called days_left_in_current_level, what would we need to put in there so that we can count how many days are left in the current_level?

habit.rb

def current_level
  return 0 unless date_started

  def committed_wdays
    committed.map do |day|
      Date::ABBR_DAYNAMES.index(day.titleize)
    end
  end

  def n_days
    ((date_started.to_date)..Date.today).count do |date| 
      committed_wdays.include? date.wday
    end - self.real_missed_days
  end     

  case n_days   # 1 - 6 represent the different levels  
    when 0..9
      1
    when 10..24
      2
    when 25..44
      3
    when 45..69
      4
    when 70..99
      5
    else
      6
  end
end

如果您需要进一步的解释或代码，请告诉我们（这里是 Gist

Please let me know if you need further explanation or code (here's the Gist of it).

推荐答案

def days_left_in_current_level

  def n_days
    ((date_started.to_date)..Date.today).count do |date| 
      committed_wdays.include? date.wday
    end - self.real_missed_days
  end     

    case n_days   
  when 0..9
    10-n_days
  when 10..24
    25-n_days
  when 25..44
    45-n_days
  when 45..69
    70-n_days
  when 70..99
    100-n_days
  else
    0 # No end
end
end

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