bulk delete outgoing letter

internal/repository/letter_outgoing_repository.go

@@ -71,6 +71,16 @@ func (r *LetterOutgoingRepository) SoftDelete(ctx context.Context, id uuid.UUID)
 	return db.WithContext(ctx).Model(&entities.LetterOutgoing{}).Where("id = ? AND deleted_at IS NULL", id).Update("deleted_at", now).Error
 }
 
+func (r *LetterOutgoingRepository) BulkSoftDelete(ctx context.Context, ids []uuid.UUID) error {
+	if len(ids) == 0 {
+		return nil
+	}
+
+	db := DBFromContext(ctx, r.db)
+	now := time.Now()
+	return db.WithContext(ctx).Model(&entities.LetterOutgoing{}).Where("id IN ? AND deleted_at IS NULL", ids).Update("deleted_at", now).Error
+}
+
 func (r *LetterOutgoingRepository) BulkArchive(ctx context.Context, letterIDs []uuid.UUID) (int64, error) {
 	db := DBFromContext(ctx, r.db)
 	now := time.Now()