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Fix underflow of learning count (#1444)

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`counts.learning` includes interday learning cards, so it is not
suitable to determine how many cards from the (intraday!) learning queue
are already included in the learning count when updating it.
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RumovZ 2021-10-22 12:58:06 +02:00 committed by GitHub
parent d665dbc9a7
commit 56d8402f89
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1 changed files with 4 additions and 3 deletions
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7
rslib/src/scheduler/queue/learning.rs
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@ -40,13 +40,14 @@ impl CardQueues {
learning_count: self.counts.learning,
learning_cutoff: self.current_learning_cutoff,
};
let last_ahead_cutoff = self.current_learn_ahead_cutoff();
self.current_learning_cutoff = TimestampSecs::now();
let ahead_cutoff = self.current_learn_ahead_cutoff();
let new_ahead_cutoff = self.current_learn_ahead_cutoff();
let new_learning_cards = self
.intraday_learning
.iter()
.skip(self.counts.learning)
.take_while(|e| e.due <= ahead_cutoff)
.skip_while(|e| e.due <= last_ahead_cutoff)
.take_while(|e| e.due <= new_ahead_cutoff)
.count();
self.counts.learning += new_learning_cards;