aswi2020vldc-gitlab/src/main/java/vldc/aswi/service/UserManagerImpl.java @ 2868bb9a

package vldc.aswi.service;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.EventListener;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Service;
import vldc.aswi.dao.RoleRepository;
import vldc.aswi.dao.UserRepository;
import vldc.aswi.domain.User;

import javax.transaction.Transactional;
import java.util.LinkedList;
import java.util.List;

@Service
@Slf4j
public class UserManagerImpl implements UserManager {

    /** Autowired user repository. */
    @Autowired
    private UserRepository userRepository;

    /** Autowired role repository. */
    @Autowired
    private RoleRepository roleRepository;

    /**
     * Initialization setup for user manager. Check if user repository contains records and if not, initialize default values.
     */
    /*
    @EventListener(classes = {
            ContextRefreshedEvent.class
    })
    @Order(1)
    @Transactional
    public void setup() {
        if (this.userRepository.count() == 0) {
            log.info("No user present, creating 'admin', 'referentka', 'prorektor'.");
            Long idAdmin = this.addUser("admin", "admin");
            Long idReferentka = this.addUser("referentka", "referentka");
            Long idProrektor = this.addUser("prorektor", "prorektor");

            User admin = this.userRepository.getById(idAdmin);
            User referentka = this.userRepository.getById(idReferentka);
            User prorektor = this.userRepository.getById(idProrektor);

            // TODO: set roles for every default user.
            //admin.setRole();
        }
    }
     */

    /**
     * Get all users from database.
     * @return List of users.
     */
    @Override
    public List<User> getUsers() {
        List<User> retVal = new LinkedList<>();
        this.userRepository.findAll().forEach(retVal::add);
        return retVal;
    }

    /**
     * Add new user into database.
     * @param username - login username for user.
     * @param password - password for user.
     * @return ID of newly created user.
     */
    @Override
    public Long addUser(String username, String password) {
        User user = new User(username, password);
        this.userRepository.save(user);
        return user.getId();
    }
}