add: db tx commit and rollback implementation

internal/api/repository/user.go

@@ -7,6 +7,7 @@ import (
 
 	"devone.aplikasi.web.id/gitea/mario/go-ohif-proxy/internal/api/models"
 	"devone.aplikasi.web.id/gitea/mario/go-ohif-proxy/internal/database"
+	"github.com/jmoiron/sqlx"
 	"golang.org/x/crypto/bcrypt"
 )
 
@@ -140,8 +141,8 @@ func (r *UserRepository) RevokeRefreshToken(token string) error {
 	return nil
 }
 
-// CreateUser creates a new user
-func (r *UserRepository) CreateUser(user *models.User) error {
+// CreateUserTx creates a new user within a transaction
+func (r *UserRepository) CreateUserTx(tx *sqlx.Tx, user *models.User) error {
 	// Hash the password before storing
 	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Password), bcrypt.DefaultCost)
 	if err != nil {
@@ -151,7 +152,7 @@ func (r *UserRepository) CreateUser(user *models.User) error {
 	query := `INSERT INTO user (UserEmail, UserPassword, UserRole, UserName, UserCreatedAt, UserUpdatedAt) 
 		VALUES (?, ?, ?, ?, NOW(), NOW())`
 
-	result, err := database.DB.Exec(query, user.Email, string(hashedPassword), user.Role, user.Name)
+	result, err := tx.Exec(query, user.Email, string(hashedPassword), user.Role, user.Name)
 	if err != nil {
 		return fmt.Errorf("database error creating user: %w", err)
 	}