access modifiers and constructors fix

buisnesslogic/src/main/java/com/plannaplan/repositories/UserRepository.java

@@ -9,12 +9,11 @@ import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
-//if result could be null, should we wrapped in optional
 @Repository
 public interface UserRepository extends JpaRepository<User, Long> {
     @Query("FROM User WHERE email = ?1")
     Optional<User> getByAuthority(@Param("authority") String authority);
 
     @Query("FROM User WHERE token = ?1")
-    User getByToken(@Param("token") String token);
+    Optional<User> getByToken(@Param("token") String token);
 }