source: trip-planner/src/main/java/finki/diplomska/tripplanner/service/impl/CustomUserDetailsServiceImpl.java

package finki.diplomska.tripplanner.service.impl;

import finki.diplomska.tripplanner.models.User;
import finki.diplomska.tripplanner.repository.jpa.JpaUserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;

@Service
public class CustomUserDetailsServiceImpl implements UserDetailsService {

    @Autowired
    private JpaUserRepository userRepository;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userRepository.findByUsername(username);
        if(user==null) new UsernameNotFoundException("User not found");
        return user;
    }


    @Transactional
    public User loadUserById(Long id){
        User user = userRepository.getById(id);
        if(user==null) new UsernameNotFoundException("User not found");
        return user;

    }
}