리아키텍쳐링중

2022-03-23 23:43:40 +09:00
parent 5b7ec9b287
commit 561df13bca
26 changed files with 401 additions and 299 deletions
--- a/src/main/java/myblog/blog/article/application/ArticleQueries.java
+++ b/src/main/java/myblog/blog/article/application/ArticleQueries.java
@@ -0,0 +1,162 @@
+package myblog.blog.article.application;
+
+import lombok.RequiredArgsConstructor;
+
+import myblog.blog.article.application.port.response.ArticleResponseForCardBox;
+import myblog.blog.article.application.port.incomming.ArticleQueriesUseCase;
+import myblog.blog.article.application.port.outgoing.ArticleRepositoryPort;
+
+import myblog.blog.article.domain.Article;
+import myblog.blog.article.model.ArticleResponseByCategory;
+import myblog.blog.article.model.ArticleDtoForDetail;
+import myblog.blog.article.model.ArticleResponseForEdit;
+import myblog.blog.category.domain.Category;
+
+import myblog.blog.category.service.CategoryService;
+import org.modelmapper.ModelMapper;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Slice;
+import org.springframework.stereotype.Component;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Component
+@RequiredArgsConstructor
+public class ArticleQueries implements ArticleQueriesUseCase {
+
+    private final ArticleRepositoryPort articleRepositoryPort;
+    private final CategoryService categoryService;
+    private final ModelMapper modelMapper;
+
+    /*
+        - 메인화면 위한 인기 아티클 6개 목록 가져오기
+           - 레이아웃 렌더링 성능 향상을 위해 캐싱작업
+             카테고리 변경 / 아티클 변경이 존재할경우 레이아웃 캐시 초기화
+             DTO 매핑 로직 서비스단에서 처리
+    */
+    @Override
+    @Cacheable(value = "layoutCaching", key = "1")
+    public List<ArticleResponseForCardBox> getPopularArticles() {
+        return articleRepositoryPort.findTop6ByOrderByHitDesc()
+                .stream()
+                .map(article -> modelMapper.map(article, ArticleResponseForCardBox.class))
+                .collect(Collectors.toList());
+    }
+    /*
+        - 메인화면 위한 최신 아티클 커서 페이징해서 가져오기
+           - 레이아웃 렌더링 성능 향상을 위해 캐싱작업
+             카테고리 변경 / 아티클 변경이 존재할경우 레이아웃 캐시 초기화
+    */
+    @Override
+    @Cacheable(value = "layoutRecentArticleCaching", key = "#lastArticleId")
+    public List<ArticleResponseForCardBox> getRecentArticles(Long lastArticleId) {
+        List<Article> articles = lastArticleId.equals(0L) ?
+                articleRepositoryPort
+                        .findByOrderByIdDescWithList(PageRequest.of(0, 5))
+                :
+                articleRepositoryPort
+                        .findByOrderByIdDesc(lastArticleId, PageRequest.of(0, 5));
+        return articles
+                .stream()
+                .map(article -> modelMapper.map(article, ArticleResponseForCardBox.class))
+                .collect(Collectors.toList());
+    }
+    /*
+        - 카테고리별 게시물 페이징 처리해서 가져오기
+    */
+    @Override
+    public Slice<ArticleResponseForCardBox> getArticlesByCategory(String category, Integer tier, Integer page) {
+        Slice<Article> articles;
+
+        if (tier.equals(0)) {
+            articles = articleRepositoryPort
+                    .findByOrderByIdDesc(
+                            PageRequest.of(pageResolve(page), 5));
+        }
+        else {
+            articles = articleRepositoryPort
+                    .findBySupCategoryOrderByIdDesc(
+                            PageRequest.of(pageResolve(page), 5), category);
+
+        }
+
+        if(articles == null) throw new IllegalArgumentException("NotFoundArticleException");
+
+        return articles.map(article -> modelMapper.map(article, ArticleResponseForCardBox.class));
+    }
+
+    /*
+        - 아티클 수정을 위한 반환
+    */
+    @Override
+    public ArticleResponseForEdit getArticleForEdit(Long id){
+        Article article = articleRepositoryPort.findArticleByIdFetchCategoryAndTags(id);
+        ArticleResponseForEdit articleDto = modelMapper.map(article, ArticleResponseForEdit.class);
+        List<String> articleTagStrings = article.getArticleTagLists()
+                .stream()
+                .map(articleTag -> articleTag.getTags().getName())
+                .collect(Collectors.toList());
+        articleDto.setArticleTagList(articleTagStrings);
+        return articleDto;
+    }
+    /*
+    *  - 아티클 상세 조회를 위한 쿼리
+    * */
+    @Override
+    public ArticleDtoForDetail getArticleForDetail(Long id){
+        Article article = articleRepositoryPort.findArticleByIdFetchCategoryAndTags(id);
+        ArticleDtoForDetail articleDtoForDetail =
+                modelMapper.map(article, ArticleDtoForDetail.class);
+
+        List<String> tags =
+                article.getArticleTagLists()
+                        .stream()
+                        .map(tag -> tag.getTags().getName())
+                        .collect(Collectors.toList());
+
+        articleDtoForDetail.setTags(tags);
+        return articleDtoForDetail;
+    }
+
+    /*
+        - 카테고리별 최신게시물 6개만 아티클 상세뷰 위해 가져오는로직
+    */
+    @Override
+    public List<ArticleResponseByCategory> getArticlesByCategoryForDetailView(String categoryName){
+        Category category = categoryService.findCategory(categoryName);
+        return articleRepositoryPort.findTop6ByCategoryOrderByIdDesc(category)
+                .stream()
+                .map(article -> modelMapper.map(article, ArticleResponseByCategory.class))
+                .collect(Collectors.toList());
+    }
+    /*
+        - 태그별 게시물 페이징 처리해서 가져오기
+    */
+    @Override
+    public Page<ArticleResponseForCardBox> getArticlesByTag(String tag, Integer page) {
+        return articleRepositoryPort
+                .findAllByArticleTagsOrderById(PageRequest.of(pageResolve(page), 5), tag)
+                .map(article ->
+                        modelMapper.map(article, ArticleResponseForCardBox.class));
+    }
+    /*
+        - 검색어별 게시물 페이징 처리해서 가져오기
+    */
+    @Override
+    public Page<ArticleResponseForCardBox> getArticlesByKeyword(String keyword, Integer page) {
+        return articleRepositoryPort
+                .findAllByKeywordOrderById(PageRequest.of(pageResolve(page),5), keyword)
+                .map(article ->
+                        modelMapper.map(article, ArticleResponseForCardBox.class));
+    }
+    /*
+        - 페이지 시작점 0~1변경 메서드
+    */
+    private int pageResolve(Integer rawPage) {
+        if (rawPage == null || rawPage == 1) {
+            return 0;
+        } else return rawPage - 1;
+    }
+}