change db to fixed name and path is definable

dbHandler.go

@@ -3,6 +3,7 @@ package AccessHandler
 import (
 	"errors"
 	"fmt"
+	"path/filepath"
 	"reflect"
 	"strings"
 
@@ -43,8 +44,9 @@ type DBHandler struct {
 // Returns:
 //   - dH:  A pointer to the initialized `DBHandler`.
 //   - err: Any error encountered during database connection.
-func NewDBHandler(dbPath string, logger *logging.Logger) (dH *DBHandler, err error) {
+func NewDBHandler(path string, logger *logging.Logger) (dH *DBHandler, err error) {
 	dH = &DBHandler{logger: logger}
+	dbPath := filepath.Join(path, "user.db")
 	logger.Debug("NewDBHandler", "open database "+dbPath)
 	dH.db, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
 	return