From 4ec43078d3f7be4cf21c1fc4b79f7b0243347f8d Mon Sep 17 00:00:00 2001
From: dokyung-kang <kangdk02@naver.com>
Date: Sun, 12 Jan 2025 01:57:35 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EB=89=B4=EC=8A=A4=20=EC=83=81=EC=84=B8?=
 =?UTF-8?q?=20=EB=B3=B4=EA=B8=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../springboot/repository/NewsRepository.java |  3 +++
 .../springboot/service/NewsService.java       | 12 ++++++++++
 .../web/controller/NewsController.java        | 15 ++++++++++++
 .../web/dto/response/NewsResponseDTO.java     | 23 +++++++++++++++++++
 4 files changed, 53 insertions(+)

diff --git a/src/main/java/banban/springboot/repository/NewsRepository.java b/src/main/java/banban/springboot/repository/NewsRepository.java
index d55d98a..c3c1b04 100644
--- a/src/main/java/banban/springboot/repository/NewsRepository.java
+++ b/src/main/java/banban/springboot/repository/NewsRepository.java
@@ -1,14 +1,17 @@
 package banban.springboot.repository;
 
 import banban.springboot.domain.entity.News;
+import banban.springboot.domain.entity.TeamGroup;
 import banban.springboot.domain.enums.NewsCategories;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
+import java.util.Optional;
 
 @Repository
 public interface NewsRepository extends JpaRepository<News,Long> {
     List<News> findByIsBreakingNewsTrue(); // 속보 뉴스 조회
     List<News> findByNewsCategories(NewsCategories newsCategories); // 긍정/부정 뉴스 조회
+    Optional<News> findByTeamGroupAndId(TeamGroup teamGroup, Long newsId);
 }
diff --git a/src/main/java/banban/springboot/service/NewsService.java b/src/main/java/banban/springboot/service/NewsService.java
index 203c948..0daebdf 100644
--- a/src/main/java/banban/springboot/service/NewsService.java
+++ b/src/main/java/banban/springboot/service/NewsService.java
@@ -59,4 +59,16 @@ public News addNewsLike(Long newsId){
 
         return newsRepository.save(existNews);
     }
+
+    @Transactional
+    public NewsResponseDTO.NewsReadResponseDTO readNews(String groupKey, Long newsId) {
+
+        TeamGroup teamGroup = groupRepository.findByGroupKey(groupKey)
+                .orElseThrow(() -> new GeneralException(ErrorStatus.TEAMGROUP_NOT_FOUND));
+
+        News news = newsRepository.findByTeamGroupAndId(teamGroup, newsId)
+                .orElseThrow(() -> new GeneralException(ErrorStatus.NEWS_NOT_EXIST_FOUND));
+
+        return NewsResponseDTO.NewsReadResponseDTO.from(news);
+    }
 }
diff --git a/src/main/java/banban/springboot/web/controller/NewsController.java b/src/main/java/banban/springboot/web/controller/NewsController.java
index f98d05a..4ef64dc 100644
--- a/src/main/java/banban/springboot/web/controller/NewsController.java
+++ b/src/main/java/banban/springboot/web/controller/NewsController.java
@@ -46,4 +46,19 @@ public ApiResponse<Void> updatePromotionProject(@PathVariable(name = "newsId") L
 
         return ApiResponse.onSuccess(null);
     }
+
+    // 뉴스 상세 보기
+    @GetMapping("/{groupKey}/news/{newsId}")
+    @Operation(summary = "뉴스 상세 보기 API",description = "뉴스 상세 보는 API입니다.")
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "COMMON200",description = "OK, 성공"),
+    })
+    @Parameters({
+            @Parameter(name = "groupKey", description = "그룹키, path variable 입니다!"),
+            @Parameter(name = "newsId", description = "뉴스글의 ID, path variable 입니다!"),
+    })
+    public ApiResponse<NewsResponseDTO.NewsReadResponseDTO> createNews(@PathVariable("groupKey") String groupKey, @PathVariable("newsId") Long newsId) {
+        NewsResponseDTO.NewsReadResponseDTO news = newsService.readNews(groupKey, newsId);
+        return ApiResponse.onSuccess(news);
+    }
 }
diff --git a/src/main/java/banban/springboot/web/dto/response/NewsResponseDTO.java b/src/main/java/banban/springboot/web/dto/response/NewsResponseDTO.java
index f7a6849..ac081e0 100644
--- a/src/main/java/banban/springboot/web/dto/response/NewsResponseDTO.java
+++ b/src/main/java/banban/springboot/web/dto/response/NewsResponseDTO.java
@@ -30,4 +30,27 @@ public static NewsCreateResponseDTO from(News news) {
                     .build();
         }
     }
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @Builder
+    @AllArgsConstructor
+    public static class NewsReadResponseDTO {
+        private Long newsId;
+        private String headline;
+        private String content;
+        private String username;
+        private boolean isBreakingNews;
+
+        public static NewsReadResponseDTO from(News news) {
+            return NewsReadResponseDTO.builder()
+                    .newsId(news.getId())
+                    .headline(news.getHeadline())
+                    .content(news.getContent())
+                    .username(news.getMember().getUsername())
+                    .isBreakingNews(news.isBreakingNews())
+                    .build();
+        }
+    }
 }