Class: KeepYourHead::FlashcardTraining

Inherits:
Object
  • Object
show all
Defined in:
lib/Keepyourhead/Training.rb

Constant Summary collapse

StufenSkipTime =

in hours

[ 
	1, 3, 6, 
	1*24, 2*24, 4*24, 7*24, 14*24,
	1*30*24, 2*30*24 
].map{ |h| h * 60 * 60 }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(database, questionsMax, timeMax) ⇒ FlashcardTraining

timemax in seconds



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# File 'lib/Keepyourhead/Training.rb', line 42

def initialize( database, questionsMax, timeMax )
	@stacksize = 7

	@questionsMax, @timeMax = questionsMax, timeMax

	@flashcardsAsked = Set.new
	@flashcardsKnown = Set.new
	@flashcardsUnknown = Set.new

	@timeStarted = Time.now

	flashcardsAll = database.collectFlashcards.select { |fc| fc.active? }
	@flashcards = []
	questionsMax.times {
		if flashcardsAll.length > 0 then
			idx = rand( flashcardsAll.length )
			@flashcards << flashcardsAll.delete_at(idx)
		end
	}

	@countStart = @flashcards.length

	@flashcard = nil

	@database = database

	nextFlashcard
end

Instance Attribute Details

#database ⇒ Object (readonly)

Returns the value of attribute database.



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# File 'lib/Keepyourhead/Training.rb', line 23

def database
  @database
end

#flashcard ⇒ Object (readonly)

Returns the value of attribute flashcard.



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# File 'lib/Keepyourhead/Training.rb', line 21

def flashcard
  @flashcard
end

#flashcards ⇒ Object (readonly)

Returns the value of attribute flashcards.



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# File 'lib/Keepyourhead/Training.rb', line 22

def flashcards
  @flashcards
end

#flashcardsAsked ⇒ Object (readonly)

Returns the value of attribute flashcardsAsked.



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# File 'lib/Keepyourhead/Training.rb', line 29

def flashcardsAsked
  @flashcardsAsked
end

#flashcardsKnown ⇒ Object (readonly)

Returns the value of attribute flashcardsKnown.



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# File 'lib/Keepyourhead/Training.rb', line 29

def flashcardsKnown
  @flashcardsKnown
end

#flashcardsUnknown ⇒ Object (readonly)

Returns the value of attribute flashcardsUnknown.



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# File 'lib/Keepyourhead/Training.rb', line 29

def flashcardsUnknown
  @flashcardsUnknown
end

#questionsMax ⇒ Object (readonly)

Returns the value of attribute questionsMax.



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# File 'lib/Keepyourhead/Training.rb', line 28

def questionsMax
  @questionsMax
end

#timeMax ⇒ Object (readonly)

Returns the value of attribute timeMax.



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# File 'lib/Keepyourhead/Training.rb', line 26

def timeMax
  @timeMax
end

#timeStarted ⇒ Object (readonly)

Returns the value of attribute timeStarted.



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# File 'lib/Keepyourhead/Training.rb', line 25

def timeStarted
  @timeStarted
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 124

def close
	database.saveAllChanged
end

#nextFlashcard ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 111

def nextFlashcard
#		if @flashcards.length > 0 and progressTime < 1.0 then
	if progressFlashcards < 1.0 and progressTime < 1.0 then
		assert @flashcards.length > 0

		idx = rand( [@flashcards.length, @stacksize].min )
		@flashcard = @flashcards.delete_at( @flashcards.length - 1 - idx )
		@flashcards.push @flashcard
	else
		@flashcard = nil
	end
end

#onKnown ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 72

def onKnown
	@flashcardsKnown << @flashcard
	@flashcardsAsked << @flashcard

	@flashcard.nextCheck = Time.now + StufenSkipTime[[@flashcard.level, StufenSkipTime.length-1].min]
	@flashcard.level = @flashcard.level + 1

	@flashcards.pop

	nextFlashcard
end

#onUnknown ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 84

def onUnknown
	@flashcardsUnknown << @flashcard
	@flashcardsAsked << @flashcard


	@flashcard.nextCheck = Time.now - 60
	@flashcard.level = 0
	
	nextFlashcard
end

#progressFlashcards ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 95

def progressFlashcards
	if @countStart > 0 then
		(@countStart - @flashcards.length) / @countStart
	else
		1.0
	end
end

#progressTime ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 107

def progressTime
	(Time.now - @timeStarted) / @timeMax
end

#timeUsed ⇒ Object 



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# File 'lib/Keepyourhead/Training.rb', line 103

def timeUsed
	Time.now - @timeStarted
end