[ADD] 워크플로우 Search 추가

src/main/java/kr/re/etri/autoflow/controllers/WorkflowController.java

@@ -3,9 +3,12 @@ package kr.re.etri.autoflow.controllers;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import kr.re.etri.autoflow.entity.ProjectEntity;
 import kr.re.etri.autoflow.entity.WorkflowEntity;
+import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
 import kr.re.etri.autoflow.service.WorkflowService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
@@ -35,6 +38,14 @@ public class WorkflowController {
                 .orElse(ResponseEntity.notFound().build());
     }
 
+    @Operation(summary = "워크플로우 검색 및 페이지네이션 프로젝트 목록 조회")
+    @GetMapping("/search")
+    public ResponseEntity<Page<WorkflowEntity>> searchProjects(
+            @ModelAttribute BaseSearchRequest request) {
+        Page<WorkflowEntity> page = workflowService.search(request);
+        return ResponseEntity.ok(page);
+    }
+
     @Operation(summary = "워크플로우 등록")
     @PostMapping
     public ResponseEntity<WorkflowEntity> createWorkflow(@RequestBody WorkflowEntity workflow) {
@@ -49,7 +60,7 @@ public class WorkflowController {
 
         return workflowService.findById(id)
                 .map(existing -> {
-                    workflow.setWorkflowId(id);
+                    workflow.setId(id);
                     return ResponseEntity.ok(workflowService.save(workflow));
                 })
                 .orElse(ResponseEntity.notFound().build());

src/main/java/kr/re/etri/autoflow/entity/WorkflowEntity.java

@@ -18,8 +18,7 @@ public class WorkflowEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Schema(description = "워크플로우 ID", example = "null")
-    private Long workflowId;
+    private Long Id;
-
 
     @Schema(description = "워크플로우 이름", example = "데이터 전처리 워크플로우")
     private String workflowName;

src/main/java/kr/re/etri/autoflow/repository/WorkflowRepository.java

@@ -2,6 +2,7 @@ package kr.re.etri.autoflow.repository;
 
 import kr.re.etri.autoflow.entity.WorkflowEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 
-public interface WorkflowRepository extends JpaRepository<WorkflowEntity, Long> {
+public interface WorkflowRepository extends JpaRepository<WorkflowEntity, Long>, JpaSpecificationExecutor<WorkflowEntity> {
 }

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

@@ -1,10 +1,21 @@
 package kr.re.etri.autoflow.service;
 
+import kr.re.etri.autoflow.entity.ProjectEntity;
 import kr.re.etri.autoflow.entity.WorkflowEntity;
+import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
 import kr.re.etri.autoflow.repository.WorkflowRepository;
+import kr.re.etri.autoflow.specification.ProjectSpecification;
+import kr.re.etri.autoflow.specification.WorkflowSpecification;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeParseException;
 import java.util.List;
 import java.util.Optional;
 
@@ -13,6 +24,8 @@ import java.util.Optional;
 public class WorkflowService {
 
     private final WorkflowRepository workflowRepository;
+    private final WorkflowSpecification workflowSpecification;
+
 
     public List<WorkflowEntity> findAll() {
         return workflowRepository.findAll();
@@ -33,4 +46,21 @@ public class WorkflowService {
         }
         return false;
     }
+
+    public Page<WorkflowEntity> search(BaseSearchRequest request) {
+        int pageIndex = request.getPage() > 0 ? request.getPage() - 1 : 0;
+
+        Pageable pageable = PageRequest.of(
+                pageIndex,
+                request.getSize(),
+                Sort.by(Sort.Direction.fromString(request.getSortDirection()), request.getSortField())
+        );
+
+        Specification<WorkflowEntity> spec = workflowSpecification.searchByConditions(
+                request.getSearchType(),
+                request.getKeyword()
+        );
+
+        return workflowRepository.findAll(spec, pageable);
+    }
 }

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

@@ -0,0 +1,72 @@
+package kr.re.etri.autoflow.specification;
+
+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.autoflow.entity.ProjectEntity;
+import kr.re.etri.autoflow.entity.WorkflowEntity;
+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 WorkflowSpecification {
+
+    private final EntityManager entityManager;
+
+    private Set<String> stringFields;
+
+    public WorkflowSpecification(EntityManager entityManager) {
+        this.entityManager = entityManager;
+    }
+
+    // 스프링 빈 초기화 후 실행
+    @PostConstruct
+    public void init() {
+        Metamodel metamodel = entityManager.getMetamodel();
+        EntityType<WorkflowEntity> entityType = metamodel.entity(WorkflowEntity.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<WorkflowEntity> searchByConditions(
+            String searchType, String keyword) {
+
+        return (root, query, cb) -> {
+            Predicate predicate = cb.conjunction();
+
+            if (keyword != null && !keyword.isEmpty()) {
+                if (searchType == null || searchType.isEmpty() ||
+                        "전체".equalsIgnoreCase(searchType) || "all".equalsIgnoreCase(searchType)) {
+                    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() + "%"));
+                }
+                // 날짜 타입 필드 검색 시 무시
+            }
+
+            return predicate;
+        };
+    }
+}