9th/src/main/java/com/izouma/nineth/repo/UserRepo.java

package com.izouma.nineth.repo;

import com.izouma.nineth.domain.User;
import com.izouma.nineth.security.Authority;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;

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

public interface UserRepo extends JpaRepository<User, Long>, JpaSpecificationExecutor<User> {
    @Transactional
    @Modifying
    @Query("update User u set u.del = true where u.id = ?1")
    void softDelete(Long id);

    Optional<User> findByUsernameAndDelFalse(String username);

    List<User> findAllByAuthoritiesContainsAndDelFalse(Authority authority);

    Optional<User> findByOpenIdAndDelFalse(String openId);

    Optional<User> findByPhoneAndDelFalse(String phone);

    Optional<User> findByIdAndDelFalse(Long userId);

    @Transactional
    @Modifying
    @Query("update User u set u.followers = u.followers + ?1 where u.id = ?1")
    void addFollow(Long userId, int num);

    @Query("select distinct u from User u join Follow f on u.id = f.followUserId " +
            "where f.userId = ?1 and u.del = false ")
    List<User> userFollows(Long userId);

    @Query("select distinct u from User u join Follow f on u.id = f.userId " +
            "where f.followUserId = ?1 and u.del = false ")
    List<User> userFollowers(Long userId);

    @Transactional
    @Modifying
    @Query(value = "update user set follows = (select count(*) from follow " +
            "where follow.user_id = ?1) where user.id = ?1", nativeQuery = true)
    void updateFollows(Long userId);

    @Transactional
    @Modifying
    @Query(value = "update user set followers = (select count(*) from follow " +
            "where follow.follow_user_id = ?1) where user.id = ?1", nativeQuery = true)
    void updateFollowers(Long userId);
}