UserServiceImpl

package com.najdiigrac.mk.service.impl;

import com.najdiigrac.mk.model.enums.UserType;
import com.najdiigrac.mk.model.jpa.Event;
import com.najdiigrac.mk.model.jpa.User;
import com.najdiigrac.mk.persistence.UsersRepository;
import com.najdiigrac.mk.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * Created by bogda on 19.4.2017.
 */
@Service
public class UserServiceImpl implements UserService {

    private UsersRepository usersRepository;

    @Autowired
    private UserServiceImpl(UsersRepository usersRepository){
        this.usersRepository = usersRepository;
    }

    @Override
    public User createAdminUser(String userName, String password, String email, String telephone){
        User user = new User();
        user.userName = userName;
        user.password = password;
        user.userType = UserType.ROLE_ADMIN;
        user.email = email;
        user.telephone = telephone;
        return usersRepository.save(user);
    }

    @Override
    public User createUser(String userName, String password, String email,String telephone){
        User user = new User();
        user.userName = userName;
        user.password = password;
        user.userType = UserType.ROLE_USER;
        user.email = email;
        user.telephone = telephone;
        return usersRepository.save(user);
    }

    @Override
    public User updateUser(Long userId, String userName, String password, String email, String telephone) {
        User user = usersRepository.findOne(userId);
        user.userName = userName;
        user.password = password;
        user.email = email;
        user.telephone = telephone;
        return usersRepository.save(user);
    }

    @Override
    public void removeUser(Long userId) {
        usersRepository.delete(userId);
    }

    @Override
    public List<User> findUserFriends(Long userId) {
        User user = usersRepository.findOne(userId);
        return user.friends;
    }

    @Override
    public List<Event> findUserEvents(Long userId) {
        User user = usersRepository.findOne(userId);
        return user.events;
    }

    @Override
    public User addFriend(Long userId, Long friendId) {
        User user = usersRepository.findOne(userId);
        User friend = usersRepository.findOne(friendId);
        List<User> friends = usersRepository.findFriendsById(userId);
        /*friends.remove(user);
        friends.add(friend);*/
        user.friends = friends;
        return usersRepository.save(user);
    }

    @Override
    public User removeFriend(Long userId, Long friendId) {
        User user = usersRepository.findOne(userId);
        User friend = usersRepository.findOne(friendId);
        List<User> friends = usersRepository.findFriendsById(userId);
        friends.remove(friend);
        user.friends = friends;
        return usersRepository.save(user);
    }
}