added scheduler for delete old or found posts

src/main/java/com/krylov/refound/service/SchedulerService.java

@@ -0,0 +1,59 @@
+package com.krylov.refound.service;
+
+import com.krylov.refound.entity.Post;
+import com.krylov.refound.enums.PostStatus;
+import com.krylov.refound.repository.FavoriteRepository;
+import com.krylov.refound.repository.PostRepository;
+import java.time.LocalDateTime;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class SchedulerService {
+
+  private final PostRepository postRepository;
+  private final FavoriteRepository favoriteRepository;
+
+  /**
+   * Runs every day at 00:01 to delete:
+   * 1. Posts with CLOSED status
+   * 2. Posts older than 6 months
+   */
+  @Scheduled(cron = "0 1 0 * * ?")
+  @Transactional
+  public void deleteExpiredPosts() {
+    log.info("Starting scheduled cleanup of expired posts...");
+    
+    LocalDateTime sixMonthsAgo = LocalDateTime.now().minusMonths(6);
+    
+    // Find and delete posts with CLOSED status
+    List<Post> closedPosts = postRepository.findByStatus(PostStatus.CLOSED);
+    if (!closedPosts.isEmpty()) {
+      // Delete favorites first to avoid foreign key constraint violation
+      favoriteRepository.deleteByPostIn(closedPosts);
+      log.info("Deleted {} favorites for CLOSED posts", closedPosts.size());
+      
+      postRepository.deleteAll(closedPosts);
+      log.info("Deleted {} posts with CLOSED status", closedPosts.size());
+    }
+    
+    // Find and delete posts older than 6 months
+    List<Post> oldPosts = postRepository.findByCreatedAtBefore(sixMonthsAgo);
+    if (!oldPosts.isEmpty()) {
+      // Delete favorites first to avoid foreign key constraint violation
+      favoriteRepository.deleteByPostIn(oldPosts);
+      log.info("Deleted {} favorites for old posts", oldPosts.size());
+      
+      postRepository.deleteAll(oldPosts);
+      log.info("Deleted {} posts older than 6 months", oldPosts.size());
+    }
+    
+    log.info("Scheduled cleanup completed successfully");
+  }
+}