[Spring] JPA 활용2 - 준비

안녕하세요 안녕주입니다.

오늘은 인프런의 JPA 활용2 강의를 들으면서 복습 겸 정리한 블로그를 올리려고 합니다.

해당 포스팅은 다음 강의를 이어 나가기위한 샘플데이터를 입력하는 코드입니다..!

 

table을 drop 하고 다시 만들기 위해 yml파일에 ddl-auto: create으로 다시 변경

 

API 개발 고급 소개

조회용 샘플 데이터 입력

package jpabook.jpashop;

import jpabook.jpashop.domain.*;
import jpabook.jpashop.domain.item.Book;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import javax.persistence.EntityManager;

/**
 * 종 주문 2개
 * * userA
 * 	 * JPA1 BOOK
 * 	 * JPA2 BOOK
 * * userB
 * 	 * SPRING1 BOOK
 * 	 * SPRING2 BOOK
 */
@Component
@RequiredArgsConstructor
public class InitDb {

    private final InitService initService;

    @PostConstruct
    public void init() {
        initService.dbInit1();
        initService.dbInit2();
    }

    @Component
    @Transactional
    @RequiredArgsConstructor
    static class InitService {

        private final EntityManager em;

        public void dbInit1() {
            System.out.println("Init1" + this.getClass());
            Member member = createMember("userA", "서울", "1", "1111");
            em.persist(member);

            Book book1 = createBook("JPA1 BOOK", 10000, 100);
            em.persist(book1);

            Book book2 = createBook("JPA2 BOOK", 20000, 100);
            em.persist(book2);

            OrderItem orderItem1 = OrderItem.createOrderItem(book1, 10000, 1);
            OrderItem orderItem2 = OrderItem.createOrderItem(book2, 20000, 2);

            Delivery delivery = createDelivery(member);
            Order order = Order.createOrder(member, delivery, orderItem1, orderItem2);
            em.persist(order);
        }

        public void dbInit2() {
            Member member = createMember("userB", "진주", "2", "2222");
            em.persist(member);

            Book book1 = createBook("SPRING1 BOOK", 20000, 200);
            em.persist(book1);

            Book book2 = createBook("SPRING2 BOOK", 40000, 300);
            em.persist(book2);

            OrderItem orderItem1 = OrderItem.createOrderItem(book1, 20000, 3);
            OrderItem orderItem2 = OrderItem.createOrderItem(book2, 40000, 4);

            Delivery delivery = createDelivery(member);
            Order order = Order.createOrder(member, delivery, orderItem1, orderItem2);
            em.persist(order);
        }

        private Member createMember(String name, String city, String street, String zipcode) {
            Member member = new Member();
            member.setName(name);
            member.setAddress(new Address(city, street, zipcode));
            return member;
        }

        private Book createBook(String name, int price, int stockQuantity) {
            Book book1 = new Book();
            book1.setName(name);
            book1.setPrice(price);
            book1.setStockQuantity(stockQuantity);
            return book1;
        }

        private Delivery createDelivery(Member member) {
            Delivery delivery = new Delivery();
            delivery.setAddress(member.getAddress());
            return delivery;
        }
    }
}

주문 내역 확인에서(localhost:8080)는 회원당 주문 내역 하나만 출력하게 되어 있음으로 postman으로 찍어서 보면 주문내역 전체가 뜬다.