Class: ActiveRecall::LeitnerSystem

Inherits:
Object
  • Object
show all
Defined in:
lib/active_recall/algorithms/leitner_system.rb

Constant Summary collapse

DELAYS = 
[3, 7, 14, 30, 60, 120, 240].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(box:, times_right:, times_wrong:, current_time: Time.current) ⇒ LeitnerSystem

Returns a new instance of LeitnerSystem.



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# File 'lib/active_recall/algorithms/leitner_system.rb', line 25

def initialize(box:, times_right:, times_wrong:, current_time: Time.current)
  @box = box
  @current_time = current_time
  @times_right = times_right
  @times_wrong = times_wrong
end

Class Method Details

.right(box:, times_right:, times_wrong:, current_time: Time.current) ⇒ Object 



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# File 'lib/active_recall/algorithms/leitner_system.rb', line 7

def self.right(box:, times_right:, times_wrong:, current_time: Time.current)
  new(
    box: box,
    current_time: current_time,
    times_right: times_right,
    times_wrong: times_wrong
  ).right
end

.wrong(box:, times_right:, times_wrong:, current_time: Time.current) ⇒ Object 



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# File 'lib/active_recall/algorithms/leitner_system.rb', line 16

def self.wrong(box:, times_right:, times_wrong:, current_time: Time.current)
  new(
    box: box,
    current_time: current_time,
    times_right: times_right,
    times_wrong: times_wrong
  ).wrong
end

Instance Method Details

#right ⇒ Object 



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# File 'lib/active_recall/algorithms/leitner_system.rb', line 32

def right
  {
    box: box + 1,
    times_right: times_right + 1,
    times_wrong: times_wrong,
    last_reviewed: current_time,
    next_review: next_review
  }
end

#wrong ⇒ Object 



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# File 'lib/active_recall/algorithms/leitner_system.rb', line 42

def wrong
  {
    box: 0,
    times_right: times_right,
    times_wrong: times_wrong + 1,
    last_reviewed: current_time,
    next_review: nil
  }
end