#569 [feat] 글모임 인기 정보 관련 삭제 모듈 및 캐시 삭제 API 구현

module-api/src/main/java/com/mile/controller/external/InternalController.java

@@ -0,0 +1,18 @@
+package com.mile.controller.external;
+
+import com.mile.common.CacheService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class InternalController {
+
+    private final CacheService cacheService;
+
+    @PostMapping("/api/v1/moim/info/cache")
+    public void deleteMoimInfoCache() {
+        cacheService.deleteMoimCache();
+    }
+}

module-domain/src/main/java/com/mile/common/CacheService.java

@@ -0,0 +1,19 @@
+package com.mile.common;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.cache.CacheManager;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class CacheService {
+
+    private final String MOIM_CACHE_NAME = "moimPopularInfo";
+    private final CacheManager cacheManager;
+
+    public void deleteMoimCache() {
+        if (cacheManager.getCache(MOIM_CACHE_NAME) != null) {
+            cacheManager.getCache(MOIM_CACHE_NAME).clear();
+        }
+    }
+}

module-domain/src/main/java/com/mile/moim/domain/popular/MoimPopularInfo.java

@@ -1,5 +1,6 @@
 package com.mile.moim.domain.popular;
 
+import com.mile.common.config.BaseTimeEntity;
 import jakarta.persistence.Column;
 import jakarta.persistence.ElementCollection;
 import jakarta.persistence.Entity;
@@ -16,7 +17,7 @@
 @Entity
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class MoimPopularInfo {
+public class MoimPopularInfo extends BaseTimeEntity {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

module-domain/src/main/java/com/mile/moim/repository/MoimPopularInfoRepository.java

@@ -12,7 +12,6 @@ public interface MoimPopularInfoRepository extends JpaRepository<MoimPopularInfo
     @Query("select m from MoimPopularInfo m join fetch m.posts join fetch m.writers where m.moimId = :moimId")
     Optional<MoimPopularInfo> findByMoimId(final long moimId);
 
-
-    @Scheduled(cron = "59 59 23 * * SUN")
-    void deleteAll();
+    @Query("select count(m) from MoimPopularInfo m")
+    Long countAll();
 }

module-domain/src/main/java/com/mile/moim/service/popular/MoimPopularInfoService.java

@@ -3,17 +3,19 @@
 import com.mile.moim.domain.Moim;
 import com.mile.moim.domain.popular.MoimPopularInfo;
 import com.mile.moim.repository.MoimPopularInfoRepository;
-import com.mile.moim.service.lock.AtomicValidateMoimPopulerInfo;
+import com.mile.slack.module.SendMessageModule;
 import lombok.AccessLevel;
 import lombok.RequiredArgsConstructor;
 import org.springframework.cache.annotation.Cacheable;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
 @Service
 @RequiredArgsConstructor(access = AccessLevel.PROTECTED)
 public class MoimPopularInfoService {
     private final MoimPopularInfoRepository moimPopularInfoRepository;
     private final MoimPopularInfoRegister moimPopularInfoRegister;
+    private final SendMessageModule sendMessageModule;
 
 
     @Cacheable(value = "moimPopularInfo", key = "#moim.id")
@@ -23,4 +25,10 @@ public MoimPopularInfo getMoimPopularInfo(final Moim moim) {
         );
     }
 
+    @Scheduled(cron = "59 59 23 * * SUN")
+    public void deleteAllForScheduled() {
+        sendMessageModule.sendMessage("글모임 별 인기 글/ 인기 작가 삭제 완료 : 총 " + moimPopularInfoRepository.countAll() + "개의 모임");
+        moimPopularInfoRepository.deleteAllInBatch();
+    }
+
 }

module-domain/src/main/java/com/mile/post/service/dto/request/PostPutRequest.java

@@ -12,7 +12,7 @@ public record PostPutRequest(
         String topicId,
 
         @NotBlank(message = "제목을 입력해주세요.")
-        @Size(max = 29, message = "제목 최대 글자를 초과했습니다.")
+        @Size(max = 34, message = "제목 최대 글자를 초과했습니다.")
         @Schema(description = "글 제목", example = "편안한 글쓰기")
         String title,
 

module-external/build.gradle

@@ -5,4 +5,5 @@ dependencies {
     implementation project(":module-common")
     implementation("software.amazon.awssdk:bom:2.21.0")
     implementation("software.amazon.awssdk:s3:2.21.0")
+    implementation("org.springframework.boot:spring-boot-starter-webflux")
 }

module-external/src/main/java/com/mile/slack/module/SendMessageModule.java

@@ -0,0 +1,53 @@
+package com.mile.slack.module;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.MediaType;
+import org.springframework.lang.NonNull;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+
+
+@Component
+@Slf4j
+public class SendMessageModule implements SendWebhookMessage {
+    private final StringBuilder sb = new StringBuilder();
+
+    @Value("${webhook.url-for-event}")
+    private String webHookUri;
+
+    @Override
+    public void sendMessage(@NonNull final String message) {
+        WebClient webClient = WebClient.builder()
+                .baseUrl(webHookUri).build();
+
+
+        webClient.post()
+                .contentType(MediaType.APPLICATION_JSON)
+                .bodyValue(generateMessage(message))
+                .accept(MediaType.APPLICATION_JSON)
+                .retrieve()
+                .bodyToMono(String.class)
+                .doOnError(e -> log.error("WEB HOOK 전송 중 에러 발생 -> {}", e.getMessage()))
+                .subscribe();
+    }
+
+    private SlackMessage generateMessage(final String message) {
+        sb.append("*[인기글 삭제 작업 완료]*").append("\n").append(message).append("\n");
+        sb.append("*[진행일자]*").append("\n").append(LocalDateTime.now()).append("\n");
+
+        return new SlackMessage(sb.toString());
+    }
+
+    @Getter
+    @AllArgsConstructor
+    private class SlackMessage {
+        private String text;
+    }
+}

module-external/src/main/java/com/mile/slack/module/SendWebhookMessage.java

@@ -0,0 +1,8 @@
+package com.mile.slack.module;
+
+import org.springframework.lang.NonNull;
+
+public interface SendWebhookMessage {
+    void sendMessage(@NonNull final String message);
+
+}