Merge pull request #31 from kookmin-sw/BE_Feature/#25-content-and-quiz

#25

backend/src/main/java/com/project/capstone/book/domain/Book.java

@@ -1,6 +1,8 @@
 package com.project.capstone.book.domain;
 
 import com.project.capstone.club.domain.Club;
+import com.project.capstone.content.domain.Content;
+import com.project.capstone.quiz.domain.Quiz;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -32,4 +34,10 @@ public class Book {
 
     @OneToMany(mappedBy = "book")
     private List<Club> clubs = new ArrayList<>();
+
+    @OneToMany(mappedBy = "book")
+    private List<Content> contents = new ArrayList<>();
+
+    @OneToMany(mappedBy = "book")
+    private List<Quiz> quizzes = new ArrayList<>();
 }

backend/src/main/java/com/project/capstone/book/domain/BookRepository.java

@@ -0,0 +1,9 @@
+package com.project.capstone.book.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface BookRepository extends JpaRepository<Book, Long> {
+    Optional<Book> findBookById(Long id);
+}

backend/src/main/java/com/project/capstone/book/exception/BookException.java

@@ -0,0 +1,10 @@
+package com.project.capstone.book.exception;
+
+import com.project.capstone.common.exception.BaseException;
+import com.project.capstone.common.exception.ExceptionType;
+
+public class BookException extends BaseException {
+    public BookException(ExceptionType exceptionType) {
+        super(exceptionType);
+    }
+}

backend/src/main/java/com/project/capstone/book/exception/BookExceptionType.java

@@ -0,0 +1,33 @@
+package com.project.capstone.book.exception;
+
+import com.project.capstone.common.exception.ExceptionType;
+import lombok.AllArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+import static org.springframework.http.HttpStatus.NOT_FOUND;
+
+@AllArgsConstructor
+public enum BookExceptionType implements ExceptionType {
+
+    BOOK_NOT_FOUND(NOT_FOUND, 801, "해당 책을 찾을 수 없습니다.")
+    ;
+
+    private final HttpStatus status;
+    private final int exceptionCode;
+    private final String message;
+
+    @Override
+    public HttpStatus httpStatus() {
+        return status;
+    }
+
+    @Override
+    public int exceptionCode() {
+        return exceptionCode;
+    }
+
+    @Override
+    public String message() {
+        return message;
+    }
+}

backend/src/main/java/com/project/capstone/club/domain/Club.java

@@ -6,6 +6,7 @@
 import com.project.capstone.memberclub.domain.MemberClub;
 import com.project.capstone.content.domain.Content;
 import com.project.capstone.post.domain.Post;
+import com.project.capstone.quiz.domain.Quiz;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -54,6 +55,10 @@ public class Club {
     @OneToMany(mappedBy = "club")
     private List<Content> contents = new ArrayList<>();
 
+    @JsonManagedReference
+    @OneToMany(mappedBy = "club")
+    private List<Quiz> quizzes = new ArrayList<>();
+
     @ManyToOne
     private Book book;
 

backend/src/main/java/com/project/capstone/club/domain/PublicStatus.java

@@ -13,7 +13,7 @@ public enum PublicStatus {
     private final String description;
 
 
-    @JsonCreator
+    @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
     public static PublicStatus from(String status) {
         for (PublicStatus publicStatus : PublicStatus.values()) {
             if (publicStatus.getDescription().equals(status)) {

backend/src/main/java/com/project/capstone/content/controller/ContentController.java

@@ -0,0 +1,43 @@
+package com.project.capstone.content.controller;
+
+import com.project.capstone.auth.domain.PrincipalDetails;
+import com.project.capstone.content.controller.dto.ContentCreateRequest;
+import com.project.capstone.content.controller.dto.ContentResponse;
+import com.project.capstone.content.service.ContentService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/content")
+public class ContentController {
+
+    private final ContentService contentService;
+
+    // 컨텐츠 생성
+    @PostMapping("/create")
+    public ResponseEntity<?> createContent(@AuthenticationPrincipal PrincipalDetails details,
+                                           @RequestBody ContentCreateRequest request,
+                                           @RequestParam Long bookId, @RequestParam(required = false) Long clubId) {
+        contentService.createContent(details.getUserId(), request, bookId, clubId);
+        return ResponseEntity.ok().body("컨텐츠 생성 완료");
+    }
+
+    // 단일 컨텐츠 조회
+    @GetMapping("/{id}")
+    public ResponseEntity<ContentResponse> getContent(@PathVariable Long id) {
+        ContentResponse contentResponse = contentService.getContent(id);
+        return ResponseEntity.ok().body(contentResponse);
+    }
+
+    // 컨텐츠 종류별 조회
+    @GetMapping("/get")
+    public ResponseEntity<List<ContentResponse>> getContents(@RequestParam String type) {
+        List<ContentResponse> contentResponseList = contentService.getContents(type);
+        return ResponseEntity.ok().body(contentResponseList);
+    }
+}

backend/src/main/java/com/project/capstone/content/controller/dto/ContentCreateRequest.java

@@ -0,0 +1,10 @@
+package com.project.capstone.content.controller.dto;
+
+import com.project.capstone.content.domain.ContentType;
+
+public record ContentCreateRequest(
+        ContentType contentType,
+        String title,
+        String body
+) {
+}

backend/src/main/java/com/project/capstone/content/controller/dto/ContentResponse.java

@@ -0,0 +1,22 @@
+package com.project.capstone.content.controller.dto;
+
+import com.project.capstone.content.domain.Content;
+import com.project.capstone.content.domain.ContentType;
+
+import java.util.UUID;
+
+public record ContentResponse(
+        Long id,
+        UUID memberId,
+        Long bookId,
+        Long clubId,
+        ContentType type,
+        String title,
+        String body,
+        int likes
+) {
+    public ContentResponse(Content content) {
+        this(content.getId(), content.getMember().getId(), content.getBook().getId(),
+                content.getClub() == null ? null : content.getClub().getId(), content.getType(), content.getTitle(), content.getBody(), content.getLikes());
+    }
+}

backend/src/main/java/com/project/capstone/content/domain/Content.java

@@ -1,5 +1,6 @@
 package com.project.capstone.content.domain;
 
+import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.project.capstone.book.domain.Book;
 import com.project.capstone.club.domain.Club;
 import com.project.capstone.member.domain.Member;
@@ -20,21 +21,23 @@ public class Content {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    private String type;
-    @Column(name = "quiz_type")
-    private String quizType;
-    @Column(name = "quiz_answer")
-    private String quizAnswer;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "content_type")
+    private ContentType type;
     private String title;
     private String body;
-    private String likes;
+    private int likes;
 
+    @JsonBackReference
     @ManyToOne
     private Member member;
 
+    @JsonBackReference
     @ManyToOne
     private Book book;
 
+    @JsonBackReference
     @ManyToOne
     private Club club;
 }

backend/src/main/java/com/project/capstone/content/domain/ContentRepository.java

@@ -0,0 +1,11 @@
+package com.project.capstone.content.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ContentRepository extends JpaRepository<Content, Long> {
+    Optional<Content> findContentById(Long id);
+    List<Content> findContentsByType(ContentType type);
+}

backend/src/main/java/com/project/capstone/content/domain/ContentType.java

@@ -0,0 +1,28 @@
+package com.project.capstone.content.domain;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+
+@AllArgsConstructor
+@Getter
+@Slf4j
+public enum ContentType {
+
+    Review("독후감"),
+    Quotation("인용구"),
+    ShortReview("한줄평");
+
+    private final String type;
+
+    @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
+    public static ContentType from(String type) {
+        for (ContentType contentType : ContentType.values()) {
+            if (contentType.getType().equals(type)) {
+                return contentType;
+            }
+        }
+        throw new RuntimeException("잘못된 컨텐츠 타입 입니다.");
+    }
+}

backend/src/main/java/com/project/capstone/content/exception/ContentException.java

@@ -0,0 +1,10 @@
+package com.project.capstone.content.exception;
+
+import com.project.capstone.common.exception.BaseException;
+import com.project.capstone.common.exception.ExceptionType;
+
+public class ContentException extends BaseException {
+    public ContentException(ExceptionType exceptionType) {
+        super(exceptionType);
+    }
+}

backend/src/main/java/com/project/capstone/content/exception/ContentExceptionType.java

@@ -0,0 +1,34 @@
+package com.project.capstone.content.exception;
+
+import com.project.capstone.common.exception.ExceptionType;
+import lombok.AllArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+import static org.springframework.http.HttpStatus.NOT_FOUND;
+
+@AllArgsConstructor
+public enum ContentExceptionType implements ExceptionType {
+    CONTENT_NOT_FOUND(NOT_FOUND, 901, "해당 컨텐츠를 찾을 수 없습니다."),
+    TYPE_NOT_FOUND(NOT_FOUND, 902, "해당 타입을 찾을 수 없습니다.")
+    ;
+
+
+    private final HttpStatus status;
+    private final int exceptionCode;
+    private final String message;
+
+    @Override
+    public HttpStatus httpStatus() {
+        return status;
+    }
+
+    @Override
+    public int exceptionCode() {
+        return exceptionCode;
+    }
+
+    @Override
+    public String message() {
+        return message;
+    }
+}