🎨 支持间隔复习 https://github.com/siyuan-note/siyuan/issues/6710

kernel/model/flashcard.go

@@ -0,0 +1,99 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package model
+
+import (
+	"github.com/88250/lute/ast"
+	"github.com/siyuan-note/logging"
+	"github.com/siyuan-note/riff"
+	"github.com/siyuan-note/siyuan/kernel/util"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+)
+
+var Decks = map[string]*riff.Deck{}
+var deckLock = sync.Mutex{}
+
+func AddFlashcard(blockID string, deckName string) (err error) {
+	deckLock.Lock()
+	deck := Decks[deckName]
+	deckLock.Unlock()
+
+	cardID := ast.NewNodeID()
+	deck.AddCard(cardID, blockID)
+	err = deck.Save()
+	if nil != err {
+		logging.LogErrorf("save deck [%s] failed: %s", deckName, err)
+		return
+	}
+	return
+}
+
+func InitFlashcards() {
+	riffSavePath := filepath.Join(util.DataDir, "storage", "riff")
+	entries, err := os.ReadDir(riffSavePath)
+	if nil != err {
+		logging.LogErrorf("read riff dir failed: %s", err)
+		return
+	}
+	for _, entry := range entries {
+		name := entry.Name()
+		if strings.HasSuffix(name, "-deck.msgpack") {
+			name = name[:len(name)-len("-deck.msgpack")]
+			deckName := strings.Split(name, "-")[0]
+			algo := strings.Split(name, "-")[1]
+			deck, loadErr := riff.LoadDeck(riffSavePath, deckName, riff.Algo(algo))
+			if nil != loadErr {
+				logging.LogErrorf("load deck [%s] failed: %s", name, loadErr)
+				continue
+			}
+
+			deckLock.Lock()
+			Decks[deckName] = deck
+			deckLock.Unlock()
+		}
+	}
+}
+
+func CreateDeck(name string) (err error) {
+	riffSavePath := filepath.Join(util.DataDir, "storage", "riff")
+	deck, err := riff.LoadDeck(riffSavePath, name, riff.AlgoFSRS)
+	if nil != err {
+		logging.LogErrorf("load deck [%s] failed: %s", name, err)
+		return
+	}
+
+	deckLock.Lock()
+	Decks[name] = deck
+	deckLock.Unlock()
+	return
+}
+
+func SaveDeck(name string) (err error) {
+	deckLock.Lock()
+	deck := Decks[name]
+	deckLock.Unlock()
+
+	err = deck.Save()
+	if nil != err {
+		logging.LogErrorf("save deck [%s] failed: %s", name, err)
+		return
+	}
+	return
+}