[FEAT] 아티클 북마크 등록 API를 구현한다.

src/main/java/indipage/org/indipage/api/user/controller/UserController.java

@@ -1,6 +1,7 @@
 package indipage.org.indipage.api.user.controller;
 
 import indipage.org.indipage.api.user.controller.dto.response.HasReceivedTicketResponseDto;
+import indipage.org.indipage.api.user.controller.dto.response.IsBookmarkedResponseDto;
 import indipage.org.indipage.api.user.controller.dto.response.UserDto;
 import indipage.org.indipage.api.user.service.UserService;
 import indipage.org.indipage.common.dto.ApiResponse;
@@ -47,4 +48,18 @@ public ApiResponse updateVisit(@PathVariable final Long spaceId) {
         userService.visit(1L, spaceId);
         return ApiResponse.success(Success.UPDATE_VISIT_SUCCESS);
     }
+
+    @GetMapping("/bookmark/article/{articleId}")
+    @ResponseStatus(HttpStatus.OK)
+    public ApiResponse<IsBookmarkedResponseDto> readIsArticleBookMarked(@PathVariable Long articleId) {
+        return ApiResponse.success(Success.READ_IS_ARTICLE_BOOKMARKED_SUCCESS,
+                userService.readIsArticleBookMarked(1L, articleId));
+    }
+
+    @PostMapping("/bookmark/article/{articleId}")
+    @ResponseStatus(HttpStatus.CREATED)
+    public ApiResponse createArticleBookmark(@PathVariable Long articleId) {
+        userService.createArticleBookmark(1L, articleId);
+        return ApiResponse.success(Success.CREATE_ARTICLE_BOOKMARK_SUCCESS);
+    }
 }

src/main/java/indipage/org/indipage/api/user/controller/dto/response/IsBookmarkedResponseDto.java

@@ -0,0 +1,17 @@
+package indipage.org.indipage.api.user.controller.dto.response;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class IsBookmarkedResponseDto {
+    private boolean isBookMarked;
+
+    public static IsBookmarkedResponseDto of(boolean isBookMarked) {
+        return new IsBookmarkedResponseDto(isBookMarked);
+    }
+}

src/main/java/indipage/org/indipage/api/user/service/UserService.java

@@ -2,8 +2,14 @@
 
 import indipage.org.indipage.api.ticket.service.TicketService;
 import indipage.org.indipage.api.user.controller.dto.response.HasReceivedTicketResponseDto;
+import indipage.org.indipage.api.user.controller.dto.response.IsBookmarkedResponseDto;
 import indipage.org.indipage.api.user.controller.dto.response.UserDto;
+import indipage.org.indipage.domain.Article;
+import indipage.org.indipage.domain.ArticleBookmarkRelationRepository;
+import indipage.org.indipage.domain.ArticleRepository;
 import indipage.org.indipage.domain.InviteSpaceRelationRepository;
+import indipage.org.indipage.domain.Relation.ArticleBookmarkRelation;
+import indipage.org.indipage.domain.Relation.ArticleBookmarkRelationId;
 import indipage.org.indipage.domain.Relation.InviteSpaceRelation;
 import indipage.org.indipage.domain.Relation.InviteSpaceRelationId;
 import indipage.org.indipage.domain.Space;
@@ -14,6 +20,7 @@
 import indipage.org.indipage.exception.Error;
 import indipage.org.indipage.exception.model.ConflictException;
 import indipage.org.indipage.exception.model.NotFoundException;
+import java.util.Optional;
 import javax.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -23,8 +30,10 @@
 public class UserService {
     private final UserRepository userRepository;
     private final TicketService ticketService;
+    private final ArticleRepository articleRepository;
     private final SpaceRepository spaceRepository;
     private final InviteSpaceRelationRepository inviteSpaceRelationRepository;
+    private final ArticleBookmarkRelationRepository articleBookmarkRelationRepository;
 
     public UserDto readUser(final Long userId) {
         return UserDto.of(findUser(userId));
@@ -79,10 +88,56 @@ public void visit(final Long userId, final Long spaceId) {
         inviteSpaceRelationRepository.save(relation);
     }
 
+    public IsBookmarkedResponseDto readIsArticleBookMarked(final Long userId, final Long articleId) {
+
+        User user = findUser(userId);
+        Article article = findArticle(articleId);
+
+        Optional<ArticleBookmarkRelation> relation = articleBookmarkRelationRepository.findArticleBookmarkRelationByArticleBookmarkRelationId(
+                ArticleBookmarkRelationId.newInstance(article, user));
+
+        if (relation.isEmpty()) {
+            return IsBookmarkedResponseDto.of(false);
+        }
+        return IsBookmarkedResponseDto.of(true);
+    }
+
+    @Transactional(rollbackOn = Exception.class)
+    public void createArticleBookmark(final Long userId, final Long articleId) {
+        User user = findUser(userId);
+        Article article = findArticle(articleId);
+
+        // 북마크 검사
+        if (isBookMarked(user, article)) {
+            throw new ConflictException(Error.ALREADY_BOOKMARKED_ARTICLE_EXCEPTION,
+                    Error.ALREADY_BOOKMARKED_ARTICLE_EXCEPTION.getMessage());
+        }
+        ;
+
+        ArticleBookmarkRelation relation = ArticleBookmarkRelation.newInstance(article, user);
+        articleBookmarkRelationRepository.save(relation);
+    }
+
     private Space findSpace(Long spaceId) {
         return spaceRepository.findById(spaceId).orElseThrow(
                 () -> new NotFoundException(Error.NOT_FOUND_SPACE_EXCEPTION,
                         Error.NOT_FOUND_SPACE_EXCEPTION.getMessage()));
     }
 
+    private Article findArticle(Long articleId) {
+        return articleRepository.findById(articleId).orElseThrow(
+                () -> new NotFoundException(Error.NOT_FOUND_ARTICLE_EXCEPTION,
+                        Error.NOT_FOUND_ARTICLE_EXCEPTION.getMessage()));
+    }
+
+    private boolean isBookMarked(User user, Article article) {
+        Optional<ArticleBookmarkRelation> relation = articleBookmarkRelationRepository.findArticleBookmarkRelationByArticleBookmarkRelationId(
+                ArticleBookmarkRelationId.newInstance(article, user));
+
+        if (relation.isEmpty()) {
+            return false;
+        }
+
+        return true;
+    }
 }

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

@@ -0,0 +1,16 @@
+package indipage.org.indipage.domain;
+
+import indipage.org.indipage.domain.Relation.ArticleBookmarkRelation;
+import indipage.org.indipage.domain.Relation.ArticleBookmarkRelationId;
+import indipage.org.indipage.domain.Relation.FollowSpaceRelation;
+import java.util.Optional;
+import org.springframework.data.repository.Repository;
+
+public interface ArticleBookmarkRelationRepository extends
+        Repository<ArticleBookmarkRelation, ArticleBookmarkRelationId> {
+    Optional<ArticleBookmarkRelation> findArticleBookmarkRelationByArticleBookmarkRelationId(
+            ArticleBookmarkRelationId articleBookmarkRelationId);
+
+    void save(ArticleBookmarkRelation relation);
+
+}

src/main/java/indipage/org/indipage/domain/Relation/ArticleBookmarkRelation.java

@@ -9,11 +9,13 @@
 import javax.persistence.ManyToOne;
 import javax.persistence.MapsId;
 import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 @Entity
 @Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class ArticleBookmarkRelation extends CreatedTimeBaseEntity {
 
@@ -29,4 +31,9 @@ public class ArticleBookmarkRelation extends CreatedTimeBaseEntity {
     @ManyToOne
     @JoinColumn(name = "user_id")
     private User user;
+
+    public static ArticleBookmarkRelation newInstance(Article article, User user) {
+        return new ArticleBookmarkRelation(
+                ArticleBookmarkRelationId.newInstance(article, user), article, user);
+    }
 }

src/main/java/indipage/org/indipage/domain/Relation/ArticleBookmarkRelationId.java

@@ -1,13 +1,18 @@
 package indipage.org.indipage.domain.Relation;
 
+import indipage.org.indipage.domain.Article;
+import indipage.org.indipage.domain.Space;
+import indipage.org.indipage.domain.User;
 import java.io.Serializable;
 import javax.persistence.Column;
 import javax.persistence.Embeddable;
+import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 
 @Embeddable
 @NoArgsConstructor
+@AllArgsConstructor
 @EqualsAndHashCode
 public class ArticleBookmarkRelationId implements Serializable {
 
@@ -16,4 +21,8 @@ public class ArticleBookmarkRelationId implements Serializable {
 
     @Column(name = "user_id", nullable = false)
     private Long userId;
+
+    public static ArticleBookmarkRelationId newInstance(Article article, User user) {
+        return new ArticleBookmarkRelationId(article.getId(), user.getId());
+    }
 }

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

@@ -30,6 +30,7 @@ public enum Error {
      * 409 CONFLICT
      */
     ALREADY_INVITED_EXCEPTION(HttpStatus.CONFLICT, "이미 티켓을 수령한 상태입니다."),
+    ALREADY_BOOKMARKED_ARTICLE_EXCEPTION(HttpStatus.CONFLICT, "이미 북마크한 아티클입니다."),
 
     /**
      * 413 PAYLOAD_TOO_LARGE

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

@@ -21,6 +21,7 @@ public enum Success {
     UPDATE_VISIT_SUCCESS(HttpStatus.OK, "공간 방문에 성공했습니다."),
     READ_IF_USER_HAS_RECEIVED_TICKET_SUCCESS(HttpStatus.OK, "티켓 수령 여부 조회를 성공했습니다."),
     READ_ARTICLE_SUMMARY_LIST_SUCCESS(HttpStatus.OK, "아티클 전체 목록 조회에 성공했습니다."),
+    READ_IS_ARTICLE_BOOKMARKED_SUCCESS(HttpStatus.OK, "아티클 북마크 여부 조회 성공"),
     /**
      * 201 CREATED
      */
@@ -29,8 +30,8 @@ public enum Success {
     CREATE_IMAGE_SUCCESS(HttpStatus.CREATED, "이미지 업로드를 완료했습니다."),
 
     CREATE_FOLLOW_SPACE_SUCCESS(HttpStatus.CREATED, "조르기 등록에 성공했습니다."),
-
-    CREATE_RECEIVE_TICKET_SUCCESS(HttpStatus.CREATED, "티켓 수령에 성공했습니다.")
+    CREATE_RECEIVE_TICKET_SUCCESS(HttpStatus.CREATED, "티켓 수령에 성공했습니다."),
+    CREATE_ARTICLE_BOOKMARK_SUCCESS(HttpStatus.CREATED, "아티클 북마크 등록에 성공했습니다.")
     ;
 
     private final HttpStatus httpStatus;