Class: Biz::Timeline::Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/biz/timeline/abstract.rb

Direct Known Subclasses

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Instance Method Summary collapse

Constructor Details

#initialize(periods) ⇒ Abstract

Returns a new instance of Abstract.



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# File 'lib/biz/timeline/abstract.rb', line 7

def initialize(periods)
  @periods = periods.lazy
end

Instance Method Details

#for(duration) ⇒ Object 



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# File 'lib/biz/timeline/abstract.rb', line 23

def for(duration)
  return enum_for(:for, duration) unless block_given?

  remaining = duration

  periods
    .map { |period| period & duration_period(period, remaining) }
    .each do |period|
      yield period unless period.empty?

      remaining -= period.duration

      break unless remaining.positive?
    end
end

#until(terminus) ⇒ Object 



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# File 'lib/biz/timeline/abstract.rb', line 11

def until(terminus)
  return enum_for(:until, terminus) unless block_given?

  periods
    .map { |period| period & comparison_period(period, terminus) }
    .each do |period|
      yield period unless period.empty?

      break if occurred?(period, terminus)
    end
end