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