Merge pull request #26 from whatever-mentoring/feature/3-cronJob

[feature/3-cronJob] 쥬시글 변환 크론잡 추가

src/main/java/com/ewhatever/qna/QnaApplication.java

@@ -3,9 +3,11 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
 @EnableJpaAuditing
+@EnableScheduling
 public class QnaApplication {
 
     public static void main(String[] args) {

src/main/java/com/ewhatever/qna/post/repository/PostRepository.java

@@ -9,6 +9,8 @@
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface PostRepository extends JpaRepository<Post, Long> {
     Page<Post> findAllByIsJuicyTrue(Pageable pageable);
@@ -25,4 +27,6 @@ public interface PostRepository extends JpaRepository<Post, Long> {
 
     @Query("SELECT CASE WHEN COUNT(p) > 0 THEN true ELSE false END FROM Post p WHERE (p.title LIKE CONCAT('%', :searchWord, '%') OR p.content LIKE CONCAT('%', :searchWord, '%')) AND p.isJuicy = true")
     boolean existsJuicyPosts(@Param("searchWord") String searchWord);
+
+    List<Post> findAllByIsJuicyFalse();
 }

src/main/java/com/ewhatever/qna/post/service/PostService.java

@@ -17,9 +17,12 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -223,4 +226,27 @@ public void scrapPost(Long postIdx, Long userIdx) throws BaseException {
             throw new BaseException(DATABASE_ERROR);
         }
     }
+
+    /**
+     * 매 시간 쥬시글 여부 확인해서 변환해주는 크론잡
+     */
+    @Scheduled(cron = "0 0 0/1 * * *")
+    @Transactional(rollbackFor = Exception.class)
+    public void checkJuicy() {
+        List<Post> postList = postRepository.findAllByIsJuicyFalse();
+        for (Post post : postList) {
+            LocalDateTime currentDateTime = LocalDateTime.now().truncatedTo(ChronoUnit.HOURS);
+//            System.out.println("현재 시간: " + currentDateTime);
+            LocalDateTime questionDateTime = post.getCreatedDate().truncatedTo(ChronoUnit.HOURS);
+//            System.out.println("질문 등록 시간: " + questionDateTime);
+//            int compareResult = currentDateTime.compareTo(questionDateTime);
+//            System.out.println("비교 결과: " + compareResult);
+//            Period period = Period.between(questionDate, currentDate);
+            long timeGap = ChronoUnit.HOURS.between(questionDateTime, currentDateTime);
+            if (timeGap == 72) {
+                post.setIsJuicy(true);
+                postRepository.save(post);
+            }
+        }
+    }
 }