[Rest API] 4. 조회용 샘플 입력

조회용 샘플

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;

@Component
@RequiredArgsConstructor
public class InitDb {

    private final InitService initService;

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


    @Component
    @RequiredArgsConstructor
    @Transactional
    static class InitService{

        private final EntityManager em;

        public void dbInit1(){
            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, 200);
            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", "경기", "2", "2");
            em.persist(member);

            Book book1 = createBook("SPRING1 BOOK", 20000, 300);
            em.persist(book1);

            Book book2 = createBook("SPRING2 BOOK", 40000, 400);
            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 static Delivery createDelivery(Member member) {
            Delivery delivery = new Delivery();
            delivery.setAddress(member.getAddress());
            return delivery;
        }

        private static Book createBook(String JPA1_BOOK, int price, int stockQuantity) {
            Book book1 = new Book();
            book1.setName(JPA1_BOOK);
            book1.setPrice(price);
            book1.setStockQuantity(stockQuantity);
            return book1;
        }

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

다음과 같이 조회용 샘플 코드를 만들었다.

@PostConstruct는 스프링 컨테이너에 컴포넌트가 모두 등록되고 나면 실행되도록 설계되었기 때문에

애플리케이션을 실행시킬때마다 해당 샘플이 들어가도록 설정하였다.

이때 application.xml파일에 JPA설정을 다음과 같이 변경하였다.

      ddl-auto: create

update로 하면 샘플 데이터가 지속적으로 들어가기 때문에 애플리케이션 실행 시점에 모든 테이블을 드랍하고 샘플 데이터가 들어가도록 설정 하였다.

해당 데이터에 대한 테이블은 다음과 같다.

SELECT * FROM MEMBER;
|MAMBER_ID| CITY | STREET | ZIPCODE | NAME |
|:--:|:--:|:--:|:--:|:--:|
|1 |서울| 1| 1111| userA|
|8 |경기| 2| 2| userB|
(2 행, 0 ms)

SELECT * FROM ORDERS ;
|ORDER_ID| ORDER_DATE| STATUS| DELIVERY_ID |MEMBER_ID|
|:--:|:--:|:--:|:--:|:--:|
|4| 2023-02-07| 19:07:27.355221| ORDER| 5| 1|
|11| 2023-02-07| 19:07:27.390179| ORDER| 12| 8|
(2 행, 0 ms)

SELECT * FROM ITEM ;
|DTYPE| ITEM_ID| NAME| PRICE| STOCK_QUANTITY| ARTIST| ETC| AUTHOR| ISBN| ACTOR| DIRECTOR|
|:--:|:--:|:--:|:--:|:--:|:--:|:--:|:--:|:--:|:--:|:--:|
|B| 2| JPA1 BOOK| 10000| 99| null| null| null| null| null| null|
|B| 3| JPA2 BOOK| 20000| 198| null| null| null| null| null| null|
|B| 9| SPRING1 BOOK| 20000| 297| null| null| null| null| null| null|
|B| 10| SPRING2 BOOK| 40000| 396| null| null| null| null| null| null|
(4 행, 0 ms)

SELECT * FROM ORDER_ITEM ;
|ORDER_ITEM_ID| COUNT| ORDER_PRICE| ITEM_ID| ORDER_ID|
|:--:|:--:|:--:|:--:|:--:|
|6| 1| 10000| 2| 4|
|7| 2| 20000| 3| 4|
|13| 3| 20000| 9| 11|
|14| 4| 40000| 10| 11|
(4 행, 5 ms)

SELECT * FROM DELIVERY ;
|DELIVERY_ID| CITY| STREET| ZIPCODE| STATUS|
|:--:|:--:|:--:|:--:|:--:|
|5| 서울| 1| 1111| null|
|12| 경기| 2| 2| null|
(2 행, 0 ms)