전남대 BE_김명진_ 2주차 과제(Step1) #141
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Hongdonggeon
requested changes
Jul 6, 2024
| productService.saveProduct(product); | ||
| return "redirect:/admin/products"; | ||
| } | ||
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| @GetMapping("/edit/{id}") | ||
| public String showEditForm(@PathVariable("id") Long id, Model model) { | ||
| if (productService.getProductById(id) == null) { | ||
| throw new RuntimeException("해당 id의 상품이 존재하지 않습니다"); | ||
| } |
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검증 로직은 Controller 계층보다 Service 계층에서 해주는게 더 좋지않을까요?
각 레이어의 역할에 대해서 학습해보시면 좋을 것 같습니다!
| import java.util.Map; | ||
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| @RestControllerAdvice | ||
| public class GlobalExceptionHandler { |
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예측하지 못한 서버에러인 케이스도 (HttpStatus : 500 - Internal Server Error) 만들어주면 좋을 것 같아요!
| package gift.Validation; | ||
| import jakarta.validation.ConstraintValidator; | ||
| import jakarta.validation.ConstraintValidatorContext; | ||
| public class KakaoValidator implements ConstraintValidator<KaKao, String> { |
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ConstraintValidator 를 사용하셨네요 👍
카카오 검증만 이방법을 사용한 방법이 있을까요?
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궁금한점: 카카오 라는 단어가 들어가면 협의후에 사용가능하다고 나와있는데 이건 관리자나 특수 사용자의 경우에 사용이 가능하다는 의미일까요? 커스텀 validation을 만들어 해결하긴했는데 다른 방법이 있는지 궁금합니다.
힘들었던점 :
오류를 처리하는데 힘들었습니다.... BindingResult 객체는 전역 핸들러를 사용하면 더이상 반환할 필요가 없단걸 꺠닫기까지 많은 시간이 소모되었습니다.