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 5

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

Instance Method Details

#for(duration) ⇒ Object 



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# File 'lib/biz/timeline/abstract.rb', line 21

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 9

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