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Document the purpose of storing dr and decay in card

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user1823 2025-06-19 21:32:50 +05:30
parent a4c95f5fbd
commit 55f3c8cd95
1 changed files with 5 additions and 5 deletions
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10
rslib/src/scheduler/fsrs/memory_state.rs
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@ -105,10 +105,11 @@ impl Collection {
progress.update(true, |state| state.current_cards = idx as u32 + 1)?; progress.update(true, |state| state.current_cards = idx as u32 + 1)?;
let mut card = self.storage.get_card(card_id)?.or_not_found(card_id)?; let mut card = self.storage.get_card(card_id)?.or_not_found(card_id)?;
let original = card.clone(); let original = card.clone();
if let (Some(req), Some(item)) = (&req, item) { // store decay and desired retention in the card so that add-ons, card info and Stats don't need to access the deck config
card.set_memory_state(&fsrs, Some(item), historical_retention.unwrap())?;
card.desired_retention = desired_retention; card.desired_retention = desired_retention;
card.decay = decay; card.decay = decay;
if let (Some(req), Some(item)) = (&req, item) {
card.set_memory_state(&fsrs, Some(item), historical_retention.unwrap())?;
// if rescheduling // if rescheduling
if let Some(reviews) = &last_revlog_info { if let Some(reviews) = &last_revlog_info {
// and we have a last review time for the card // and we have a last review time for the card
@ -128,7 +129,7 @@ impl Collection {
let original_interval = card.interval; let original_interval = card.interval;
let interval = fsrs.next_interval( let interval = fsrs.next_interval(
Some(state.stability), Some(state.stability),
card.desired_retention.unwrap(), desired_retention,
0, 0,
); );
card.interval = rescheduler card.interval = rescheduler
@ -175,7 +176,6 @@ impl Collection {
} }
} else { } else {
card.memory_state = None; card.memory_state = None;
card.desired_retention = None;
} }
self.update_card_inner(&mut card, original, usn)?; self.update_card_inner(&mut card, original, usn)?;
} }
@ -214,7 +214,7 @@ impl Collection {
}) })
} else { } else {
card.memory_state = None; card.memory_state = None;
card.desired_retention = None; card.desired_retention = desired_retention;
Ok(ComputeMemoryStateResponse { Ok(ComputeMemoryStateResponse {
state: None, state: None,
desired_retention, desired_retention,