[UPDATE] SPEC 수정

src/main/java/kr/re/etri/security/jwt/service/ProjectService.java

@@ -24,6 +24,8 @@ import java.util.Optional;
 public class ProjectService {
 
     private final ProjectRepository projectRepository;
+    private final ProjectSpecification projectSpecification;
+
     private final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
 
     public List<ProjectEntity> findAll() {
@@ -41,11 +43,10 @@ public class ProjectService {
                 Sort.by(Sort.Direction.fromString(request.getSortDirection()), request.getSortField())
         );
 
-        // String -> LocalDate 변환
         LocalDate startDate = parseDate(request.getStartDate());
         LocalDate endDate = parseDate(request.getEndDate());
 
-        Specification<ProjectEntity> spec = ProjectSpecification.searchByConditions(
+        Specification<ProjectEntity> spec = projectSpecification.searchByConditions(
                 request.getSearchType(),
                 request.getKeyword(),
                 startDate,

src/main/java/kr/re/etri/security/jwt/specification/ProjectSpecification.java

@@ -1,38 +1,68 @@
 package kr.re.etri.security.jwt.specification;
 
-import jakarta.persistence.criteria.Path;
-import jakarta.persistence.criteria.Predicate;
+import jakarta.annotation.PostConstruct;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.metamodel.Attribute;
+import jakarta.persistence.metamodel.EntityType;
+import jakarta.persistence.metamodel.Metamodel;
 import kr.re.etri.security.jwt.entity.ProjectEntity;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.jpa.domain.Specification;
+import org.springframework.stereotype.Component;
+
+import jakarta.persistence.criteria.Predicate;
 import java.time.LocalDate;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 @Slf4j
+@Component
 public class ProjectSpecification {
 
-    public static Specification<ProjectEntity> searchByConditions(
+    private final EntityManager entityManager;
+
+    private Set<String> stringFields;
+
+    public ProjectSpecification(EntityManager entityManager) {
+        this.entityManager = entityManager;
+    }
+
+    // 스프링 빈 초기화 후 실행
+    @PostConstruct
+    public void init() {
+        Metamodel metamodel = entityManager.getMetamodel();
+        EntityType<ProjectEntity> entityType = metamodel.entity(ProjectEntity.class);
+
+        // 문자열 타입 필드명만 추출
+        stringFields = entityType.getAttributes().stream()
+                .filter(attr -> attr.getJavaType().equals(String.class))
+                .map(Attribute::getName)
+                .collect(Collectors.toSet());
+
+        log.info("ProjectEntity string fields: {}", stringFields);
+    }
+
+    public Specification<ProjectEntity> searchByConditions(
             String searchType, String keyword,
             LocalDate startDate, LocalDate endDate) {
 
         return (root, query, cb) -> {
             Predicate predicate = cb.conjunction();
 
-            // 문자열 필드만 지정 (날짜 필드 제외)
-            Set<String> stringFields = Set.of("prjNm", "prjDesc", "delYn");
-
             if (keyword != null && !keyword.isEmpty()) {
                 if ("전체".equalsIgnoreCase(searchType) || "all".equalsIgnoreCase(searchType)) {
-                    predicate = cb.and(predicate, cb.or(
-                            cb.like(cb.lower(root.get("prjNm")), "%" + keyword.toLowerCase() + "%"),
-                            cb.like(cb.lower(root.get("prjDesc")), "%" + keyword.toLowerCase() + "%"),
-                            cb.like(cb.lower(root.get("delYn")), "%" + keyword.toLowerCase() + "%")
-                    ));
+                    Predicate orPredicate = cb.disjunction();
+                    for (String field : stringFields) {
+                        orPredicate = cb.or(orPredicate,
+                                cb.like(cb.lower(root.get(field)), "%" + keyword.toLowerCase() + "%"));
+                    }
+                    predicate = cb.and(predicate, orPredicate);
+
                 } else if (stringFields.contains(searchType)) {
                     predicate = cb.and(predicate,
                             cb.like(cb.lower(root.get(searchType)), "%" + keyword.toLowerCase() + "%"));
                 }
-                // searchType이 날짜 컬럼이면 keyword 검색 안함
+                // 날짜 타입 필드 검색 시 무시
             }
 
             if (startDate != null) {