Class: SpacedRepetition::Sm2

Inherits:
Object
  • Object
show all
Defined in:
lib/spaced_repetition/sm2.rb

Instance Method Summary collapse

Constructor Details

#initialize(quality_response, prev_interval = 0, prev_ef = 2.5) ⇒ Sm2

Returns a new instance of Sm2.



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# File 'lib/spaced_repetition/sm2.rb', line 6

def initialize(quality_response, prev_interval=0, prev_ef=2.5)
  @prev_ef = prev_ef
  @prev_interval = prev_interval
  @quality_response = quality_response

  @calculated_interval = nil
  @calculated_ef = nil
  @repetition_date = nil

  #if quality_response is below 3 start repetition from the begining, but without changing easiness_factor
  if @quality_response < 3
    @prev_interval=0
    @calculated_ef = @prev_ef
  else
    calculate_easiness_factor
  end
    calculate_interval

    calculate_date
end

Instance Method Details

#easiness_factor ⇒ Object 



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# File 'lib/spaced_repetition/sm2.rb', line 31

def easiness_factor
  @calculated_ef
end

#interval ⇒ Object 



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# File 'lib/spaced_repetition/sm2.rb', line 27

def interval
  @calculated_interval
end

#next_repetition_date ⇒ Object 



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# File 'lib/spaced_repetition/sm2.rb', line 35

def next_repetition_date
  @repetition_date
end