chore: retire auto backup for sqlite

server/service/backup/backup.go

@@ -1,94 +0,0 @@
-package backup
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"strconv"
-	"time"
-
-	"go.uber.org/zap"
-
-	apiv1 "github.com/usememos/memos/api/v1"
-	"github.com/usememos/memos/internal/log"
-	"github.com/usememos/memos/store"
-)
-
-// nolint
-type BackupRunner struct {
-	Store *store.Store
-}
-
-func NewBackupRunner(store *store.Store) *BackupRunner {
-	return &BackupRunner{
-		Store: store,
-	}
-}
-
-const MaxBackupFiles = 5
-
-func (r *BackupRunner) Run(ctx context.Context) {
-	intervalStr := r.Store.GetSystemSettingValueWithDefault(ctx, apiv1.SystemSettingAutoBackupIntervalName.String(), "")
-	if intervalStr == "" {
-		log.Debug("no SystemSettingAutoBackupIntervalName setting, disable auto backup")
-		return
-	}
-
-	interval, err := strconv.Atoi(intervalStr)
-	if err != nil || interval < 0 {
-		log.Error(fmt.Sprintf("invalid SystemSettingAutoBackupIntervalName value %s, disable auto backup", intervalStr), zap.Error(err))
-		return
-	}
-
-	if interval == 0 {
-		println("AutoBackupIntervalName value is 0, disable auto backup")
-		return
-	}
-
-	log.Info("enable auto backup every " + intervalStr + " seconds")
-	ticker := time.NewTicker(time.Duration(interval) * time.Second)
-	defer ticker.Stop()
-
-	for {
-		select {
-		case <-ctx.Done():
-			log.Info("stop auto backup graceful.")
-			return
-		case <-ticker.C:
-		}
-
-		filename := r.Store.Profile.DSN + ".bak"
-
-		if err := rotateFiles(filename, MaxBackupFiles); err != nil {
-			log.Error("fail to rotate backup files", zap.Error(err))
-			continue
-		}
-
-		log.Info(fmt.Sprintf("create backup to %s", filename))
-		if err := r.Store.BackupTo(ctx, filename); err != nil {
-			log.Error("fail to create backup", zap.Error(err))
-		}
-	}
-}
-
-func rotateFiles(filename string, cnt int) error {
-	// Generate suffix slices of history files like "",".1",".2",".3"...
-	ss := make([]string, cnt-1)
-	for i := 1; i < len(ss); i++ {
-		ss[i] = fmt.Sprintf(".%d", i)
-	}
-
-	// Iterate through the suffix slices and rename the files
-	for i := len(ss) - 1; i >= 0; i-- {
-		from := filename + ss[i]
-		to := filename + "." + strconv.Itoa(i+1)
-
-		log.Info("rotate file", zap.String("from", from), zap.String("to", to))
-		err := os.Rename(from, to)
-		if err != nil && !os.IsNotExist(err) {
-			return err
-		}
-	}
-
-	return nil
-}