[FEAT] 공정 목록 검색/상세 기능 확장 (카테고리/그룹 표시, 검색 필터 추가)

src/main/java/com/sampoom/backend/api/process/controller/ProcessController.java

@@ -36,10 +36,12 @@ public ResponseEntity<ApiResponse<ProcessResponseDTO>> create(@Valid @RequestBod
     public ResponseEntity<ApiResponse<PageResponseDto<ProcessResponseDTO>>> search(
             @RequestParam(value = "query", required = false) String q,
             @RequestParam(value = "status", required = false) ProcessStatus status,
+            @RequestParam(value = "categoryId", required = false) Long categoryId,
+            @RequestParam(value = "groupId", required = false) Long groupId,
             @RequestParam(value = "page", defaultValue = "0") int page,
             @RequestParam(value = "size", defaultValue = "10") int size
     ) {
-        PageResponseDto<ProcessResponseDTO> response = processService.search(q, status, page, size);
+        PageResponseDto<ProcessResponseDTO> response = processService.search(q, status, categoryId, groupId, page, size);
         return ApiResponse.success(SuccessStatus.OK, response);
     }
 

src/main/java/com/sampoom/backend/api/process/dto/ProcessResponseDTO.java

@@ -23,6 +23,12 @@ public class ProcessResponseDTO {
     private final Integer totalWaitMinutes; // 모든 스텝의 대기시간 합계
     private final Integer totalStepMinutes; // 모든 스텝의 총 시간 합계
     private final Long totalProcessCost; // 총 공정비용 (원)
+
+    private final Long categoryId;
+    private final String categoryName;
+    private final Long groupId;
+    private final String groupName;
+
     private final List<ProcessStepResponseDTO> steps;
 
     public ProcessResponseDTO(Process p) {
@@ -40,6 +46,18 @@ public ProcessResponseDTO(Process p) {
         this.totalWaitMinutes = p.getTotalWaitMinutes();
         this.totalStepMinutes = p.getTotalStepMinutes();
         this.totalProcessCost = p.getTotalProcessCost();
+
+        this.categoryId = (p.getPart().getPartGroup() != null && p.getPart().getPartGroup().getCategory() != null)
+                ? p.getPart().getPartGroup().getCategory().getId()
+                : null;
+
+        this.categoryName = (p.getPart().getPartGroup() != null && p.getPart().getPartGroup().getCategory() != null)
+                ? p.getPart().getPartGroup().getCategory().getName()
+                : null;
+
+        this.groupId = p.getPart().getPartGroup() != null ? p.getPart().getPartGroup().getId() : null;
+        this.groupName = p.getPart().getPartGroup() != null ? p.getPart().getPartGroup().getName() : null;
+
         this.steps = p.getSteps().stream().map(ProcessStepResponseDTO::new).collect(Collectors.toList());
     }
 }

src/main/java/com/sampoom/backend/api/process/repository/ProcessRepository.java

@@ -19,26 +19,38 @@ public interface ProcessRepository extends JpaRepository<Process, Long> {
 
     // 검색 메서드 추가 (공정코드, 부품명으로 검색, 상태 필터)
     @Query(
-                    value = """
-            SELECT DISTINCT p FROM Process p
-            JOIN FETCH p.part part
-            WHERE (:q IS NULL OR :q = '' 
-                   OR LOWER(p.code) LIKE CONCAT('%', LOWER(:q), '%')
-                   OR LOWER(part.name) LIKE CONCAT('%', LOWER(:q), '%'))
-            AND (:status IS NULL OR p.status = :status)
+            value = """
+        SELECT DISTINCT p FROM Process p
+        JOIN FETCH p.part part
+        LEFT JOIN FETCH part.partGroup g
+        LEFT JOIN FETCH g.category c
+        WHERE (:q IS NULL OR :q = ''
+               OR LOWER(p.code) LIKE CONCAT('%', LOWER(:q), '%')
+               OR LOWER(part.code) LIKE CONCAT('%', LOWER(:q), '%')
+               OR LOWER(part.name) LIKE CONCAT('%', LOWER(:q), '%'))
+          AND (:status IS NULL OR p.status = :status)
+          AND (:categoryId IS NULL OR c.id = :categoryId)
+          AND (:groupId IS NULL OR g.id = :groupId)
         """,
-                    countQuery = """
-            SELECT COUNT(p) FROM Process p
-            JOIN p.part part
-            WHERE (:q IS NULL OR :q = '' 
-                   OR LOWER(p.code) LIKE CONCAT('%', LOWER(:q), '%')
-                   OR LOWER(part.name) LIKE CONCAT('%', LOWER(:q), '%'))
-           AND (:status IS NULL OR p.status = :status)
+            countQuery = """
+        SELECT COUNT(p) FROM Process p
+        JOIN p.part part
+        LEFT JOIN part.partGroup g
+        LEFT JOIN g.category c
+        WHERE (:q IS NULL OR :q = ''
+               OR LOWER(p.code) LIKE CONCAT('%', LOWER(:q), '%')
+               OR LOWER(part.code) LIKE CONCAT('%', LOWER(:q), '%')
+               OR LOWER(part.name) LIKE CONCAT('%', LOWER(:q), '%'))
+          AND (:status IS NULL OR p.status = :status)
+          AND (:categoryId IS NULL OR c.id = :categoryId)
+          AND (:groupId IS NULL OR g.id = :groupId)
         """
-                )
+    )
     Page<Process> search(
             @Param("q") String q,
             @Param("status") ProcessStatus status,
+            @Param("categoryId") Long categoryId,
+            @Param("groupId") Long groupId,
             Pageable pageable
     );
 

src/main/java/com/sampoom/backend/api/process/service/ProcessService.java

@@ -98,14 +98,14 @@ public ProcessResponseDTO create(ProcessCreateRequestDTO req) {
     }
 
     @Transactional(readOnly = true)
-    public PageResponseDto<ProcessResponseDTO> search(String q, ProcessStatus status, int page, int size) {
+    public PageResponseDto<ProcessResponseDTO> search(String q, ProcessStatus status, Long categoryId, Long groupId, int page, int size) {
         int safePage = Math.max(page, 0);
         int safeSize = Math.min(Math.max(size, 1), 100);
 
         Pageable pageable = PageRequest.of(safePage, safeSize, Sort.by(Sort.Direction.DESC, "id"));
 
         String keyword = (q == null || q.isBlank()) ? null : q.trim();
-        Page<Process> result = processRepository.search(keyword, status, pageable);
+        Page<Process> result = processRepository.search(keyword, status, categoryId, groupId, pageable);
 
         return PageResponseDto.<ProcessResponseDTO>builder()
                 .content(result.map(ProcessResponseDTO::new).toList())