[ADD] 파이프라인 ID로 워크플로우 단건 조회 API 추가 및 관련 Service, Repository 메서드 구현

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

@@ -38,6 +38,16 @@ public class WorkFlowController {
                 .orElse(ResponseEntity.notFound().build());
     }
 
+    @Operation(summary = "파이프라인 ID로 워크플로우 단건 조회")
+    @GetMapping("/pipeline/{pipelineId}")
+    public ResponseEntity<WorkflowEntity> getWorkflowByPipelineId(
+            @Parameter(description = "파이프라인 ID", example = "b935cc31-0db5-405e-8ae9-f4dbdc418c59") @PathVariable("pipelineId") String pipelineId) {
+
+        return workflowService.findBypipelineId(pipelineId)
+                .map(ResponseEntity::ok)
+                .orElse(ResponseEntity.notFound().build());
+    }
+
     @Operation(summary = "워크플로우 검색 및 페이지네이션 프로젝트 목록 조회")
     @GetMapping("/search")
     public ResponseEntity<Page<WorkflowEntity>> searchProjects(

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

@@ -4,5 +4,8 @@ import kr.re.etri.autoflow.entity.WorkflowEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 
+import java.util.Optional;
+
 public interface WorkflowRepository extends JpaRepository<WorkflowEntity, Long>, JpaSpecificationExecutor<WorkflowEntity> {
+    Optional<WorkflowEntity> findByPipelineId(String pipelineId);
 }

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

@@ -81,4 +81,9 @@ public class WorkFlowService {
 
         return workflowRepository.findAll(spec, pageable);
     }
+
+    public Optional<WorkflowEntity> findBypipelineId(String pipelineId) {
+        return workflowRepository.findByPipelineId(pipelineId);
+    }
+
 }