[ADD] Add search by date range(createdAt) to Kubeflow Run search API

src/main/java/kr/re/etri/autoflow/service/KubeflowRunService.java

@@ -1,6 +1,7 @@
 package kr.re.etri.autoflow.service;
 
 import kr.re.etri.autoflow.entity.KubeflowRunEntity;
+import kr.re.etri.autoflow.entity.ProjectEntity;
 import kr.re.etri.autoflow.payload.request.KubeflowRunSearchRequest;
 import kr.re.etri.autoflow.repository.KubeflowRunRepository;
 import kr.re.etri.autoflow.specification.KubeflowRunSpecification;
@@ -10,6 +11,10 @@ import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
 @Service
 @RequiredArgsConstructor
 public class KubeflowRunService {
@@ -17,6 +22,8 @@ public class KubeflowRunService {
     private final KubeflowRunRepository runRepository;
     private final KubeflowRunSpecification runSpecification;
 
+    private final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
     @Transactional(readOnly = true)
     public Page<KubeflowRunEntity> search(KubeflowRunSearchRequest request) {
         int pageIndex = request.getPage() > 0 ? request.getPage() - 1 : 0;
@@ -27,12 +34,28 @@ public class KubeflowRunService {
                 Sort.by(Sort.Direction.fromString(request.getSortDirection()), request.getSortField())
         );
 
+        LocalDate startDate = parseDate(request.getStartDate());
+        LocalDate endDate = parseDate(request.getEndDate());
+
+
         Specification<KubeflowRunEntity> spec = runSpecification.searchByConditions(
                 request.getExperimentId(),   // experimentId는 필수
                 request.getSearchType(),
-                request.getKeyword()
+                request.getKeyword(),
+                startDate,
+                endDate
         );
 
         return runRepository.findAll(spec, pageable);
     }
+
+    private LocalDate parseDate(String dateStr) {
+        if (dateStr == null || dateStr.isBlank()) return null;
+        try {
+            return LocalDate.parse(dateStr, formatter);
+        } catch (DateTimeParseException e) {
+            throw new IllegalArgumentException("날짜 형식이 잘못되었습니다. yyyy-MM-dd 형식이어야 합니다: " + dateStr);
+        }
+    }
+
 }

src/main/java/kr/re/etri/autoflow/specification/KubeflowRunSpecification.java

@@ -117,7 +117,7 @@ public class KubeflowRunSpecification {
     }
 
     public Specification<KubeflowRunEntity> searchByConditions(
-            String experimentId, String searchType, String keyword) {
+            String experimentId, String searchType, String keyword, LocalDate startDate, LocalDate endDate) {
 
         return (root, query, cb) -> {
             Predicate predicate = cb.conjunction();
@@ -140,6 +140,16 @@ public class KubeflowRunSpecification {
                 }
             }
 
+            if (startDate != null) {
+                predicate = cb.and(predicate,
+                        cb.greaterThanOrEqualTo(root.get("createdAt"), startDate));
+            }
+
+            if (endDate != null) {
+                predicate = cb.and(predicate,
+                        cb.lessThanOrEqualTo(root.get("createdAt"), endDate));
+            }
+
             return predicate;
         };
     }