class ActiveRecall::LeitnerSystem

Constants

DELAYS

Attributes

box[R]
current_time[R]
times_right[R]
times_wrong[R]

Public Class Methods

new(box:, times_right:, times_wrong:, current_time: Time.current) click to toggle source
# 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
right(box:, times_right:, times_wrong:, current_time: Time.current) click to toggle source
# 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) click to toggle source
# 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

Public Instance Methods

right() click to toggle source
# 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() click to toggle source
# 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

Private Instance Methods

next_review() click to toggle source
# File lib/active_recall/algorithms/leitner_system.rb, line 56
def next_review
  (current_time + DELAYS[[DELAYS.count, box + 1].min - 1].days)
end