[FEAT] 카테고리 자동 생성 스케줄러 구현 (TICO-334)

backend/pomoro-do/src/main/java/com/tico/pomoro_do/PomoroDoApplication.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
+@EnableScheduling // 스케줄러 활성화
 public class PomoroDoApplication {
 
 	public static void main(String[] args) {

backend/pomoro-do/src/main/java/com/tico/pomoro_do/domain/category/repository/CategoryRepository.java

@@ -14,4 +14,6 @@ public interface CategoryRepository extends JpaRepository<Category, Long> {
     List<Category> findAllByHostAndTypeAndDate(User host, CategoryType type, LocalDate date);
 
     Optional<Category> findById(Long categoryId);
+
+    List<Category> findByDate(LocalDate date);
 }

backend/pomoro-do/src/main/java/com/tico/pomoro_do/domain/category/repository/GroupMemberRepository.java

@@ -28,5 +28,4 @@ public interface GroupMemberRepository extends JpaRepository<GroupMember, Long>
 
     List<GroupMember> findAllByCategoryAndStatus(Category category, GroupInvitationStatus status);
 
-
 }

backend/pomoro-do/src/main/java/com/tico/pomoro_do/domain/category/service/CategoryService.java

@@ -3,9 +3,12 @@
 import com.tico.pomoro_do.domain.category.dto.request.CategoryCreationDTO;
 import com.tico.pomoro_do.domain.category.dto.response.*;
 import com.tico.pomoro_do.domain.category.entity.Category;
+import com.tico.pomoro_do.domain.category.entity.GroupMember;
 import com.tico.pomoro_do.domain.user.entity.User;
 import com.tico.pomoro_do.global.enums.CategoryType;
 import com.tico.pomoro_do.global.enums.CategoryVisibility;
+import com.tico.pomoro_do.global.enums.GroupInvitationStatus;
+import com.tico.pomoro_do.global.enums.GroupRole;
 
 import java.time.LocalDate;
 import java.util.List;
@@ -29,4 +32,12 @@ public interface CategoryService {
 
     // 카테고리 상세 조회
     CategoryDetailDTO getCategoryDetail(Long categoryId, String username);
+
+    // 해당 날짜에 속한 모든 카테고리 조회
+    List<Category> findByDate(LocalDate targetDate);
+
+    // 그룹멤버 생성
+    void createGroupMember(Category category, User member, GroupInvitationStatus status, GroupRole role);
+    // 그룹멤버 조회
+    List<GroupMember> findAcceptedMembersByCategory(Category category);
 }

backend/pomoro-do/src/main/java/com/tico/pomoro_do/domain/category/service/CategoryServiceImpl.java

@@ -124,7 +124,8 @@ private void createGroupMembers(Category category, User host, Set<Long> memberId
      * @param status 그룹 초대 상태 (ACCEPTED, INVITED 등)
      * @param role 그룹 내 유저의 역할 (HOST, MEMBER 등)
      */
-    private void createGroupMember(Category category, User member, GroupInvitationStatus status, GroupRole role){
+    @Override
+    public void createGroupMember(Category category, User member, GroupInvitationStatus status, GroupRole role){
         GroupMember groupMember = GroupMember.builder()
                 .category(category)
                 .user(member)
@@ -341,4 +342,27 @@ private InvitedGroupDTO convertToInvitedGroup(GroupMember groupMember) {
                 .build();
     }
 
+    /**
+     * 해당 날짜에 속하는 모든 카테고리 조회
+     *
+     * @param targetDate 조회할 날짜
+     * @return 해당 날짜에 속하는 모든 카테고리 리스트
+     */
+    @Override
+    public List<Category> findByDate(LocalDate targetDate) {
+        // DB에서 한번에 해당 날짜의 일반 카테고리를 조회
+        return categoryRepository.findByDate(targetDate);
+    }
+
+    /**
+     * 해당 카테고리에 속하는 모든 승인된 그룹 멤버 조회
+     *
+     * @param category 조회할 카테고리
+     * @return 해당 카테고리에 속하는 모든 승인된 그룹 멤버 리스트
+     */
+    @Override
+    public List<GroupMember> findAcceptedMembersByCategory(Category category) {
+        return groupMemberRepository.findAllByCategoryAndStatus(category, GroupInvitationStatus.ACCEPTED);
+    }
+
 }

backend/pomoro-do/src/main/java/com/tico/pomoro_do/global/scheduler/CategoryScheduler.java

@@ -0,0 +1,67 @@
+package com.tico.pomoro_do.global.scheduler;
+
+import com.tico.pomoro_do.domain.category.entity.Category;
+import com.tico.pomoro_do.domain.category.entity.GroupMember;
+import com.tico.pomoro_do.domain.category.service.CategoryService;
+import com.tico.pomoro_do.global.enums.CategoryType;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.util.List;
+
+@Component
+@RequiredArgsConstructor
+@Slf4j
+public class CategoryScheduler {
+
+    private final CategoryService categoryService;
+
+    // 한국 표준시 (KST) ZoneId를 상수로 정의
+    private static final ZoneId KOREA_ZONE_ID = ZoneId.of("Asia/Seoul");
+
+    // 카테고리 자동 생성
+    @Scheduled(cron = "0 0 5 * * *") // 매일 새벽 5시에 실행
+    public void createTodayCategories(){
+        // 오늘 날짜 설정
+        LocalDate today = LocalDate.now(KOREA_ZONE_ID);
+        // 전날 날짜 설정
+        LocalDate yesterday = today.minusDays(1);
+
+        // 전날 존재하는 모든 카테고리 조회
+        List<Category> yesterdayCategories = categoryService.findByDate(yesterday);
+
+        // 오늘 날짜로 복사하여 새로운 카테고리 생성
+        for (Category category : yesterdayCategories) {
+
+            Category newCategory = categoryService.createNewCategory(
+                    category.getHost(),
+                    today,
+                    category.getTitle(),
+                    category.getColor(),
+                    category.getVisibility(),
+                    category.getType()
+            );
+
+            // 그룹 카테고리면 그룹 멤버도 복사하여 생성
+            if (category.getType() == CategoryType.GROUP){
+                // 승낙한 멤버만 생성
+                List<GroupMember> groupMembers= categoryService.findAcceptedMembersByCategory(category);
+
+                for (GroupMember groupMember : groupMembers) {
+
+                    categoryService.createGroupMember(
+                            newCategory,
+                            groupMember.getUser(),
+                            groupMember.getStatus(),
+                            groupMember.getRole()
+                    );
+                }
+            }
+        }
+    }
+
+}