changes:

- added cleaner goroutine
- added delete cmd
- added list cmd
- refactoring

upd/api/cleaner.go

@@ -0,0 +1,85 @@
+/*
+Copyright © 2023 Thomas von Dein
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package api
+
+import (
+	"fmt"
+	//"github.com/alecthomas/repr"
+	"encoding/json"
+	"github.com/tlinden/up/upd/cfg"
+	bolt "go.etcd.io/bbolt"
+	"path/filepath"
+	"time"
+)
+
+func DeleteExpiredUploads(conf *cfg.Config, db *Db) error {
+	err := db.bolt.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(Bucket))
+
+		if bucket == nil {
+			return nil // nothin to delete so far
+		}
+
+		err := bucket.ForEach(func(id, j []byte) error {
+			upload := &Upload{}
+			if err := json.Unmarshal(j, &upload); err != nil {
+				return fmt.Errorf("unable to unmarshal json: %s", err)
+			}
+
+			if IsExpired(conf, upload.Uploaded.Time, upload.Expire) {
+				if err := bucket.Delete([]byte(id)); err != nil {
+					return nil
+				}
+
+				cleanup(filepath.Join(conf.StorageDir, upload.Id))
+
+				Log("Cleaned up upload " + upload.Id)
+			}
+
+			return nil
+		})
+
+		return err
+	})
+
+	if err != nil {
+		Log("DB error: %s", err.Error())
+	}
+
+	return err
+}
+
+func BackgroundCleaner(conf *cfg.Config, db *Db) chan bool {
+	ticker := time.NewTicker(conf.CleanInterval)
+	fmt.Println(conf.CleanInterval)
+	done := make(chan bool)
+
+	go func() {
+		for {
+			select {
+			case <-ticker.C:
+				DeleteExpiredUploads(conf, db)
+			case <-done:
+				ticker.Stop()
+				return
+			}
+		}
+	}()
+
+	return done
+}