[BE] 아티클 조회수 기능을 구현한다.

backend/bang-ggood/src/main/java/com/bang_ggood/article/domain/Article.java

@@ -30,12 +30,19 @@ public class Article extends BaseEntity {
 
     private String thumbnail;
 
+    private Long viewCount;
+
     public Article(String title, String content, String keyword, String summary, String thumbnail) {
         this.title = title;
         this.content = content;
         this.keyword = keyword;
         this.summary = summary;
         this.thumbnail = thumbnail;
+        this.viewCount = 0L;
+    }
+
+    public void increaseViewCount() {
+        viewCount++;
     }
 
     @Override

backend/bang-ggood/src/main/java/com/bang_ggood/article/dto/response/ArticleResponse.java

@@ -4,7 +4,7 @@
 import java.time.LocalDateTime;
 
 public record ArticleResponse(Long articleId, String title, String content, String keyword, String summary,
-                              String thumbnail, LocalDateTime createdAt) {
+                              String thumbnail, LocalDateTime createdAt, Long viewCount) {
 
     public static ArticleResponse from(Article article) {
         return new ArticleResponse(
@@ -14,7 +14,8 @@ public static ArticleResponse from(Article article) {
                 article.getKeyword(),
                 article.getSummary(),
                 article.getThumbnail(),
-                article.getCreatedAt()
+                article.getCreatedAt(),
+                article.getViewCount()
         );
     }
 }

backend/bang-ggood/src/main/java/com/bang_ggood/article/dto/response/ArticlesResponse.java

@@ -4,15 +4,16 @@
 import java.time.LocalDateTime;
 
 public record ArticlesResponse(Long articleId, String title, String keyword, String summary,
-                               LocalDateTime createdAt) {
+                               LocalDateTime createdAt, Long viewCount) {
 
     public static ArticlesResponse from(Article article) {
         return new ArticlesResponse(
                 article.getId(),
                 article.getTitle(),
                 article.getKeyword(),
                 article.getSummary(),
-                article.getCreatedAt()
+                article.getCreatedAt(),
+                article.getViewCount()
         );
     }
 }

backend/bang-ggood/src/main/java/com/bang_ggood/article/service/ArticleService.java

@@ -7,14 +7,10 @@
 import com.bang_ggood.article.dto.response.ArticlesResponses;
 import com.bang_ggood.article.repository.ArticleRepository;
 import lombok.RequiredArgsConstructor;
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import java.util.List;
 
-import static com.bang_ggood.global.config.cache.CacheName.ARTICLE;
-
 @RequiredArgsConstructor
 @Service
 public class ArticleService {
@@ -28,10 +24,10 @@ public long createArticle(ArticleCreateRequest request) {
         return article.getId();
     }
 
-    @Cacheable(cacheNames = ARTICLE, key = "#id")
-    @Transactional(readOnly = true)
+    @Transactional
     public ArticleResponse readArticle(Long id) {
         Article article = articleRepository.getById(id);
+        article.increaseViewCount();
         return ArticleResponse.from(article);
     }
 
@@ -43,7 +39,6 @@ public ArticlesResponses readArticles() {
         return new ArticlesResponses(articles);
     }
 
-    @CacheEvict(cacheNames = ARTICLE, key = "#id")
     @Transactional
     public void deleteArticle(Long id) {
         articleRepository.deleteById(id);

backend/bang-ggood/src/main/resources/schema.sql

@@ -159,6 +159,7 @@ CREATE TABLE article
     keyword     VARCHAR(255),
     summary     VARCHAR(255),
     thumbnail   VARCHAR(2500),
+    view_count  BIGINT default 0,
     created_at  TIMESTAMP(6),
     modified_at TIMESTAMP(6),
     deleted     BOOLEAN