🐛 The status of flashcards after re-reviewing the previous one is inc…

…orrect siyuan-note/siyuan#9988
siyuan-note · Dec 26, 2023 · 8833f8b · 8833f8b
1 parent 1f1b309
commit 8833f8b
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diff --git a/card.go b/card.go
@@ -35,6 +35,9 @@ type Card interface {
 	// GetState 返回闪卡状态。
 	GetState() State
 
+	// Clone 返回闪卡的克隆。
+	Clone() Card
+
 	// Impl 返回具体的闪卡实现。
 	Impl() interface{}
 

diff --git a/fsrs_store.go b/fsrs_store.go
@@ -330,3 +330,17 @@ func (card *FSRSCard) SetImpl(c interface{}) {
 func (card *FSRSCard) GetState() State {
 	return State(card.C.State)
 }
+
+func (card *FSRSCard) Clone() Card {
+	data, err := gulu.JSON.MarshalJSON(card)
+	if nil != err {
+		logging.LogErrorf("marshal card failed: %s", err)
+		return nil
+	}
+	ret := &FSRSCard{}
+	if err = gulu.JSON.UnmarshalJSON(data, ret); nil != err {
+		logging.LogErrorf("unmarshal card failed: %s", err)
+		return nil
+	}
+	return ret
+}