[FEAT] 공간에 대한 아티클 조회 기능을 구현한다.

src/main/java/indipage/org/indipage/api/article/service/ArticleService.java

@@ -48,4 +48,10 @@ public List<ArticleSummaryResponseDto> readArticleSummaryList(final Long userId)
 
         return result;
     }
+
+    public Article findArticleBySpace(final Space space) {
+        return articleRepository.findArticleBySpace(space).orElseThrow(
+                () -> new NotFoundException(Error.NOT_FOUND_ARTICLE_OF_SPACE_EXCEPTION,
+                        Error.NOT_FOUND_ARTICLE_OF_SPACE_EXCEPTION.getMessage()));
+    }
 }

src/main/java/indipage/org/indipage/api/space/controller/SpaceController.java

@@ -3,6 +3,7 @@
 import indipage.org.indipage.api.space.controller.dto.response.BookRecommendationResponseDto;
 import indipage.org.indipage.api.space.controller.dto.response.FollowSpaceRelationResponseDto;
 import indipage.org.indipage.api.space.controller.dto.response.SpaceDto;
+import indipage.org.indipage.api.space.controller.dto.response.SpaceOfArticleResponseDto;
 import indipage.org.indipage.api.space.service.SpaceService;
 import indipage.org.indipage.common.dto.ApiResponse;
 import indipage.org.indipage.exception.Success;
@@ -46,4 +47,10 @@ public ApiResponse createFollowSpace(@PathVariable final Long spaceId) {
         spaceService.createFollowSpace(1L, spaceId);
         return ApiResponse.success(Success.CREATE_FOLLOW_SPACE_SUCCESS);
     }
+
+    @GetMapping("/{spaceId}/article")
+    @ResponseStatus(HttpStatus.CREATED)
+    public ApiResponse<SpaceOfArticleResponseDto> readArticleOfSpace(@PathVariable final Long spaceId) {
+        return ApiResponse.success(Success.READ_ARTICLE_OF_SPACE_SUCCESS, spaceService.readArticleOfSpace(spaceId));
+    }
 }

src/main/java/indipage/org/indipage/api/space/controller/dto/response/SpaceOfArticleResponseDto.java

@@ -0,0 +1,35 @@
+package indipage.org.indipage.api.space.controller.dto.response;
+
+import indipage.org.indipage.domain.Article;
+import indipage.org.indipage.domain.Space;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@Builder
+public class SpaceOfArticleResponseDto {
+
+    private String spaceName;
+    private String title;
+    private String spaceType;
+    private Long id;
+    private Boolean isIssued;
+
+    private static boolean getIsIssued(Article article) {
+        return article.getIssueDate().isBefore(LocalDateTime.now());
+    }
+
+    public static SpaceOfArticleResponseDto of(Space space, Article article) {
+        return SpaceOfArticleResponseDto
+                .builder()
+                .spaceName(space.getName())
+                .title(article.getTitle())
+                .spaceType(space.getType().getTypeName())
+                .id(article.getId())
+                .isIssued(getIsIssued(article))
+                .build();
+    }
+}

src/main/java/indipage/org/indipage/api/space/service/SpaceService.java

@@ -1,8 +1,11 @@
 package indipage.org.indipage.api.space.service;
 
+import indipage.org.indipage.api.article.service.ArticleService;
 import indipage.org.indipage.api.space.controller.dto.response.BookRecommendationResponseDto;
 import indipage.org.indipage.api.space.controller.dto.response.FollowSpaceRelationResponseDto;
 import indipage.org.indipage.api.space.controller.dto.response.SpaceDto;
+import indipage.org.indipage.api.space.controller.dto.response.SpaceOfArticleResponseDto;
+import indipage.org.indipage.api.ticket.service.TicketService;
 import indipage.org.indipage.api.user.service.UserService;
 import indipage.org.indipage.domain.*;
 import indipage.org.indipage.domain.Relation.BookRecommendationRelation;
@@ -25,6 +28,8 @@ public class SpaceService {
     private final SpaceRepository spaceRepository;
     private final FollowSpaceRelationRepository followSpaceRelationRepository;
     private final UserService userService;
+    private final ArticleService articleService;
+    private final TicketService ticketService;
 
     public SpaceDto readSpace(final Long spaceId) {
         Space space = findSpace(spaceId);
@@ -61,6 +66,12 @@ public void createFollowSpace(final Long userId, final Long spaceId) {
         followSpaceRelationRepository.save(FollowSpaceRelation.create(user, space));
     }
 
+    public SpaceOfArticleResponseDto readArticleOfSpace(final Long spaceId) {
+        Space space = findSpace(spaceId);
+        Article article = articleService.findArticleBySpace(space);
+        return SpaceOfArticleResponseDto.of(space, article);
+    }
+
     public Space findSpace(final Long spaceId) {
         return spaceRepository.findById(spaceId).orElseThrow(
                 () -> new NotFoundException(Error.NOT_FOUND_SPACE_EXCEPTION,

src/main/java/indipage/org/indipage/domain/ArticleRepository.java

@@ -9,4 +9,6 @@ public interface ArticleRepository extends Repository<Article, Long> {
     Optional<Article> findById(Long id);
 
     List<Article> findAll();
+
+    Optional<Article> findArticleBySpace(Space space);
 }

src/main/java/indipage/org/indipage/exception/Error.java

@@ -28,6 +28,7 @@ public enum Error {
     NOT_FOUND_TICKET_EXCEPTION(HttpStatus.NOT_FOUND, "해당 공간에 티켓이 존재하지 않습니다."),
     NOT_FOUND_ARTICLE_BOOKMARK_EXCEPTION(HttpStatus.NOT_FOUND, "해당 아티클에 대한 북마크가 존재하지 않습니다."),
     NOT_FOUND_SPACE_BOOKMARK_EXCEPTION(HttpStatus.NOT_FOUND, "해당 공간에 대한 북마크가 존재하지 않습니다."),
+    NOT_FOUND_ARTICLE_OF_SPACE_EXCEPTION(HttpStatus.NOT_FOUND, "해당 공간에 대한 아티클이 존재하지 않습니다."),
     /**
      * 409 CONFLICT
      */

src/main/java/indipage/org/indipage/exception/Success.java

@@ -25,6 +25,7 @@ public enum Success {
     READ_IS_SPACE_BOOKMARKED_SUCCESS(HttpStatus.OK, "공간 북마크 여부 조회 성공"),
     DELETE_ARTICLE_BOOKMARK_SUCCESS(HttpStatus.OK, "아티클 북마크 삭제 성공"),
     DELETE_SPACE_BOOKMARK_SUCCESS(HttpStatus.OK, "공간 북마크 삭제 성공"),
+    READ_ARTICLE_OF_SPACE_SUCCESS(HttpStatus.OK, "공간에 대한 아티클 조회 성공"),
     /**
      * 201 CREATED
      */
@@ -35,7 +36,8 @@ public enum Success {
     CREATE_FOLLOW_SPACE_SUCCESS(HttpStatus.CREATED, "조르기 등록에 성공했습니다."),
     CREATE_RECEIVE_TICKET_SUCCESS(HttpStatus.CREATED, "티켓 수령에 성공했습니다."),
     CREATE_ARTICLE_BOOKMARK_SUCCESS(HttpStatus.CREATED, "아티클 북마크 등록에 성공했습니다."),
-    CREATE_SPACE_BOOKMARK_SUCCESS(HttpStatus.CREATED, "공간 북마크 등록에 성공했습니다.")
+    CREATE_SPACE_BOOKMARK_SUCCESS(HttpStatus.CREATED, "공간 북마크 등록에 성공했습니다."),
+
     ;
 
     private final HttpStatus httpStatus;