1 files changed, 61 insertions, 0 deletions
diff --git a/session/bbolt/bbolt.go b/session/bbolt/bbolt.go
new file mode 100644
index 0000000..8e55d25
--- /dev/null
+++ b/session/bbolt/bbolt.go
@@ -0,0 +1,61 @@
+package bbolt
+
+import (
+	"bytes"
+	"context"
+	"encoding/gob"
+	"log/slog"
+
+	"go.etcd.io/bbolt"
+	"go.neonxp.ru/middleware/session"
+)
+
+func New(db *bbolt.DB, bucketName []byte) session.Store {
+	return &Store{
+		db:         db,
+		bucketName: bucketName,
+	}
+}
+
+type Store struct {
+	db         *bbolt.DB
+	bucketName []byte
+}
+
+func (s *Store) Load(ctx context.Context, sessionID string) session.Value {
+	v := session.Value{}
+	err := s.db.View(func(tx *bbolt.Tx) error {
+		bucket := tx.Bucket(s.bucketName)
+		if bucket == nil {
+			// no bucket -- normal situation
+			return nil
+		}
+		vb := bucket.Get([]byte(sessionID))
+		if vb == nil {
+			// no session -- no error
+			return nil
+		}
+		rdr := bytes.NewBuffer(vb)
+
+		return gob.NewDecoder(rdr).Decode(&v)
+	})
+	if err != nil {
+		slog.WarnContext(ctx, "failed load session", slog.Any("error", err))
+	}
+	return v
+}
+
+func (s *Store) Save(ctx context.Context, sessionID string, value session.Value) error {
+	return s.db.Update(func(tx *bbolt.Tx) error {
+		bucket, err := tx.CreateBucketIfNotExists(s.bucketName)
+		if err != nil {
+			return err
+		}
+		wrt := bytes.NewBuffer([]byte{})
+		if err := gob.NewEncoder(wrt).Encode(value); err != nil {
+			return err
+		}
+
+		return bucket.Put([]byte(sessionID), wrt.Bytes())
+	})
+}