Product_ Update, Delete (API Controller)

• Product_ 수정

 

• ProductAPIController

@Slf4j
@RestController
public class ProductAPIController {

    @Autowired
    private ProductService productService;


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    //상품 수정
    @PatchMapping("/api/products/{id}")
    public ResponseEntity<Product> update(@PathVariable Long id, @RequestBody ProductDto dto) {
        Product updated = productService.update(id, dto);
        return (updated != null) ?
                ResponseEntity.status(HttpStatus.OK).body(updated) :
                ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
    }

}

 

 

• ProductService

@Slf4j
@Service
public class ProductService {

    @Autowired
    private ProductRepository productRepository;


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    @Transactional
    public Product update(Long id, ProductDto dto) {
        Product product = dto.toEntity();
        log.info("id: {}, Product: {}", id, product.toString());

        Product target = productRepository.findById(id).orElse(null);
        if (target == null || id != product.getId()) {
            log.info("잘못된 요청");
            return null;
        }
        target.patch(product);
        Product updated = productRepository.save(target);
        return updated;
    }

}

 

 

• Product

@AllArgsConstructor
@NoArgsConstructor
@ToString
@Getter
@Entity
public class Product {


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    public void patch(Product product) {
        if (product.name != null) {
            this.name = product.name;
        }
        if (product.category != null) {
            this.category = product.category;
        }
        if (product.price != null) {
            this.price = product.price;
        }
    }
}

Talend API

변경 전

변경 후

 

 

 

• Product_ 삭제

 

 

• ProductAPIController

@Slf4j
@RestController
public class ProductAPIController {

    @Autowired
    private ProductService productService;

 
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    //상품 삭제
    @DeleteMapping("/api/products/{id}")
    public ResponseEntity<Product> delete(@PathVariable Long id) {
        Product deleted = productService.delete(id);
        return (deleted != null) ?
                ResponseEntity.status(HttpStatus.OK).build() :
                ResponseEntity.status(HttpStatus.BAD_REQUEST). build();
    }
}

 

 

• ProductService

@Slf4j
@Service
public class ProductService {

    @Autowired
    private ProductRepository productRepository;


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    @Transactional
    public Product delete(Long id) {
        Product target = productRepository.findById(id).orElse(null);

        if (target == null) {
            return null;
        }
        productRepository.delete(target);

        return target;
    }
}

1번 데이터 삭제

h2 Console

 

 

• git: https://github.com/Pearlmoon997/CoffeeShop

GitHub - Pearlmoon997/CoffeeShop: CoffeeShop