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refactor: be 카테고리 검색 Specification을 통해 검색조건 확장 쉽도록 바꿈
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Backend/src/main/java/com/ssafy/buki/domain/hobbyclass/HobbyClassSpec.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package com.ssafy.buki.domain.hobbyclass; | ||
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| import com.ssafy.buki.exception.BusinessException; | ||
| import com.ssafy.buki.exception.ErrorCode; | ||
| import org.springframework.data.jpa.domain.Specification; | ||
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| import javax.persistence.criteria.CriteriaBuilder; | ||
| import javax.persistence.criteria.CriteriaQuery; | ||
| import javax.persistence.criteria.Predicate; | ||
| import javax.persistence.criteria.Root; | ||
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| public class HobbyClassSpec { | ||
| //대분류 | ||
| //소분류 | ||
| //minPrice~ maxPrice | ||
| //minPrice | ||
| //시군구 | ||
| //시도 | ||
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| public static Specification<HobbyClass> BigCategory(Integer bigCategoryId) { | ||
| return new Specification<HobbyClass>() { | ||
| @Override | ||
| public Predicate toPredicate(Root<HobbyClass> root, | ||
| CriteriaQuery<?> query, | ||
| CriteriaBuilder builder) { | ||
| if (bigCategoryId == null) throw new BusinessException(ErrorCode.NOT_RIGHT_DATA); | ||
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| return builder.equal(root.get("bigCategory"), bigCategoryId); | ||
| } | ||
| }; | ||
| } | ||
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| public static Specification<HobbyClass> SmallCategory(Integer smallCategoryId) { | ||
| return new Specification<HobbyClass>() { | ||
| @Override | ||
| public Predicate toPredicate(Root<HobbyClass> root, | ||
| CriteriaQuery<?> query, | ||
| CriteriaBuilder builder) { | ||
| if (smallCategoryId == null) return null; | ||
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| return builder.equal(root.get("smallCategory"), smallCategoryId); | ||
| } | ||
| }; | ||
| } | ||
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| public static Specification<HobbyClass> Sigungu(Integer sigunguId) { | ||
| return new Specification<HobbyClass>() { | ||
| @Override | ||
| public Predicate toPredicate(Root<HobbyClass> root, | ||
| CriteriaQuery<?> query, | ||
| CriteriaBuilder builder) { | ||
| if (sigunguId == null) return null; | ||
| Integer sidoId = null; | ||
| if (sigunguId.equals(1)) { | ||
| sidoId = 1; | ||
| } | ||
| if (sigunguId.equals(13)) { | ||
| sidoId = 2; | ||
| } | ||
| if (sidoId != null) { | ||
| return builder.equal(root.get("sido"), sidoId); | ||
| } | ||
| return builder.equal(root.get("sigunguId"), sigunguId); | ||
| } | ||
| }; | ||
| } | ||
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| public static Specification<HobbyClass> Price(Integer minPrice, Integer maxPrice) { | ||
| return new Specification<HobbyClass>() { | ||
| @Override | ||
| public Predicate toPredicate(Root<HobbyClass> root, | ||
| CriteriaQuery<?> query, | ||
| CriteriaBuilder builder) { | ||
| if (minPrice == null && maxPrice == null) return null; | ||
| if (maxPrice == null) throw new BusinessException(ErrorCode.NOT_RIGHT_DATA); | ||
| Integer minTempPrice = minPrice == null ? 0 : minPrice; | ||
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| return builder.between(root.get("price"), minTempPrice, maxPrice); | ||
| } | ||
| }; | ||
| } | ||
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| } |
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