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include decay in ComputeMemoryStateResponse

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Jarrett Ye 2025-06-19 15:54:51 +08:00
parent 344cac1ef4
commit 3cda920424
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2 changed files with 12 additions and 1 deletions
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1
proto/anki/scheduler.proto
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@ -450,6 +450,7 @@ message EvaluateParamsResponse {
message ComputeMemoryStateResponse {
optional cards.FsrsMemoryState state = 1;
float desired_retention = 2;
float decay = 3;
}
message FuzzDeltaRequest {

12
rslib/src/scheduler/fsrs/memory_state.rs
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@ -190,7 +190,15 @@ impl Collection {
.or_not_found(conf_id)?;
let desired_retention = config.inner.desired_retention;
let historical_retention = config.inner.historical_retention;
let fsrs = FSRS::new(Some(config.fsrs_params()))?;
let params = config.fsrs_params();
let decay = if params.is_empty() {
FSRS6_DEFAULT_DECAY // default decay for FSRS-6
} else if params.len() < 21 {
FSRS5_DEFAULT_DECAY // default decay for FSRS-4.5 and FSRS-5
} else {
params[20]
};
let fsrs = FSRS::new(Some(params))?;
let revlog = self.revlog_for_srs(SearchNode::CardIds(card.id.to_string()))?;
let item = fsrs_item_for_memory_state(
&fsrs,
@ -204,6 +212,7 @@ impl Collection {
Ok(ComputeMemoryStateResponse {
state: card.memory_state.map(Into::into),
desired_retention,
decay,
})
} else {
card.memory_state = None;
@ -211,6 +220,7 @@ impl Collection {
Ok(ComputeMemoryStateResponse {
state: None,
desired_retention,
decay,
})
}
}