[FEAT] cost 11일때 10만원 이상 조회 로직 추가 - #123

[rlarlgnszx]

🔥Pull requests

⛳️ 작업한 브랜치

• feature/[FEAT] 코스 필터링 조회 cost < 10 추가 구현  #123

👷 작업한 내용

• 다음 로직으로 수정

    public static Specification<Course> filterByCriteria(CourseGetAllReq courseGetAllReq) {
        return (root, query, criteriaBuilder) -> {
            List<Predicate> predicates = new ArrayList<>();
            addPredicate(predicates, criteriaBuilder, root, "city", courseGetAllReq.city(), criteriaBuilder::equal);
            addPredicate(predicates, criteriaBuilder, root, "country", courseGetAllReq.country(), criteriaBuilder::equal);
            addCostPredicate(predicates, criteriaBuilder, root, courseGetAllReq.cost());
            return criteriaBuilder.and(predicates.toArray(new Predicate[0]));
        };
    }

    private static <T> void addPredicate(List<Predicate> predicates, CriteriaBuilder criteriaBuilder, Root<?> root,
                                         String attributeName, T value,
                                         BiFunction<Path<T>, T, Predicate> predicateFunction) {
        Optional.ofNullable(value)
                .ifPresent(val -> predicates.add(
                        predicateFunction.apply(root.get(attributeName), val))
                );
    }

    private static void addCostPredicate(List<Predicate> predicates, CriteriaBuilder criteriaBuilder, Root<?> root, Integer cost) {
        if (cost != null) {
            if (cost == 11) {
                predicates.add(criteriaBuilder.greaterThan(root.get("cost"), 10));
            } else {
                predicates.add(criteriaBuilder.lessThanOrEqualTo(root.get("cost"), cost));
            }
        }
    }

🚨 참고 사항

📟 관련 이슈

• Resolved: [FEAT] 코스 필터링 조회 cost < 10 추가 구현  #123

[gardening-y]

수고하셨습니다~!~