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better learn-ahead handling

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This commit is contained in:
Damien Elmes 2009-01-16 16:24:38 +09:00
parent fe17d6c53e
commit 8bd84d4dfe
1 changed files with 9 additions and 5 deletions
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14
anki/deck.py
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@ -318,6 +318,7 @@ where factId in (select factId from %s limit 60))""" % (new, new))
undoName = _("Answer Card") undoName = _("Answer Card")
self.setUndoStart(undoName) self.setUndoStart(undoName)
now = time.time() now = time.time()
# old state
oldState = self.cardState(card) oldState = self.cardState(card)
lastDelaySecs = time.time() - card.combinedDue lastDelaySecs = time.time() - card.combinedDue
lastDelay = lastDelaySecs / 86400.0 lastDelay = lastDelaySecs / 86400.0
@ -332,7 +333,9 @@ where factId in (select factId from %s limit 60))""" % (new, new))
card.due = self.nextDue(card, ease, oldState) card.due = self.nextDue(card, ease, oldState)
card.isDue = 0 card.isDue = 0
card.lastFactor = card.factor card.lastFactor = card.factor
self.updateFactor(card, ease) if lastDelay >= 0:
# don't update factor if learning ahead
self.updateFactor(card, ease)
# spacing # spacing
(minSpacing, spaceFactor) = self.s.first(""" (minSpacing, spaceFactor) = self.s.first("""
select models.initialSpacing, models.spacing from select models.initialSpacing, models.spacing from
@ -384,7 +387,7 @@ where id != :id and factId = :factId""",
entry.writeSQL(self.s) entry.writeSQL(self.s)
self.modified = now self.modified = now
self.setUndoEnd(undoName) self.setUndoEnd(undoName)
# decrease card boost # decrease new card boost
if self.extraNewCards: if self.extraNewCards:
self.extraNewCards -= 1 self.extraNewCards -= 1
@ -399,11 +402,12 @@ where id != :id and factId = :factId""",
def _nextInterval(self, card, delay, ease): def _nextInterval(self, card, delay, ease):
interval = card.interval interval = card.interval
factor = card.factor factor = card.factor
if delay < 0: # if shown early and not failed
interval = card.lastInterval + ((interval - abs(delay)) / 2.0) if delay < 0 and card.successive:
delay = 0 interval = max(card.lastInterval, card.interval + delay)
if interval < self.midIntervalMin: if interval < self.midIntervalMin:
interval = 0 interval = 0
delay = 0
# if interval is less than mid interval, use presets # if interval is less than mid interval, use presets
if ease == 1: if ease == 1:
interval *= self.delay2 interval *= self.delay2