[feat] 즐겨찾기 생성, 조회 api

src/main/java/com/garam/garam_e_spring/domain/user/controller/UserController.java

@@ -1,17 +1,22 @@
 package com.garam.garam_e_spring.domain.user.controller;
 
+import com.garam.garam_e_spring.domain.user.dto.req.BookmarkRequestDto;
 import com.garam.garam_e_spring.domain.user.dto.req.UserRequestDto;
+import com.garam.garam_e_spring.domain.user.dto.res.BookmarkCreateResponseDto;
 import com.garam.garam_e_spring.domain.user.dto.res.UserResponseDto;
 import com.garam.garam_e_spring.global.jwt.JwtTokenProvider;
 import com.garam.garam_e_spring.global.response.BaseResponseDto;
 import com.garam.garam_e_spring.global.response.ErrorMessage;
 import com.garam.garam_e_spring.domain.user.service.EmailService;
 import com.garam.garam_e_spring.domain.user.service.UserService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.validation.Errors;
 import org.springframework.web.bind.annotation.*;
 
 @RequiredArgsConstructor
+
 @RestController
 @RequestMapping("/api/user")
 public class UserController {
@@ -72,4 +77,17 @@ public BaseResponseDto<UserResponseDto.UpdateLanguage> updateLanguage(
         return userService.updateLanguage(request.getLanguage(), request.getUserId());
     }
 
+    @PostMapping("/bookmark")
+    public BaseResponseDto<BookmarkCreateResponseDto> createBookmark(
+            @RequestBody BookmarkRequestDto request
+    ) {
+        return userService.createBookmark(request.getUserId(), request.getMessage());
+    }
+
+    @GetMapping("/bookmark/{userId}")
+    public BaseResponseDto<?> getBookmarks(
+            @PathVariable String userId
+    ) {
+        return userService.getBookmark(userId);
+    }
 }

src/main/java/com/garam/garam_e_spring/domain/user/dto/req/BookmarkRequestDto.java

@@ -0,0 +1,14 @@
+package com.garam.garam_e_spring.domain.user.dto.req;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class BookmarkRequestDto {
+
+    private String message;
+    private String userId;
+}

src/main/java/com/garam/garam_e_spring/domain/user/dto/res/BookmarkCreateResponseDto.java

@@ -0,0 +1,15 @@
+package com.garam.garam_e_spring.domain.user.dto.res;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor(staticName = "of")
+public class BookmarkCreateResponseDto {
+
+    private String result;
+}

src/main/java/com/garam/garam_e_spring/domain/user/dto/res/BookmarkResponseDto.java

@@ -0,0 +1,14 @@
+package com.garam.garam_e_spring.domain.user.dto.res;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor(staticName = "of")
+public class BookmarkResponseDto {
+
+    private String message;
+}

src/main/java/com/garam/garam_e_spring/domain/user/entity/Bookmark.java

@@ -0,0 +1,38 @@
+package com.garam.garam_e_spring.domain.user.entity;
+
+import com.garam.garam_e_spring.global.BaseEntity;
+import lombok.*;
+import lombok.experimental.SuperBuilder;
+
+import javax.persistence.*;
+
+@Getter
+@SuperBuilder
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class Bookmark extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "bookmark_id")
+    private Long id;
+
+    @Column
+    private String message;
+
+    @ManyToOne
+    @JoinColumn(name = "id")
+    private User user;
+
+    public static Bookmark createBookmark(String message, User user) {
+        Bookmark bookmark = Bookmark.builder()
+                .message(message)
+                .user(user)
+                .build();
+
+        user.addBookmark(bookmark);
+        return bookmark;
+    }
+}

src/main/java/com/garam/garam_e_spring/domain/user/entity/User.java

@@ -38,6 +38,11 @@ public class User extends BaseEntity implements UserDetails {
     @Column
     private String language;
 
+    @Column
+    @OneToMany(mappedBy = "user")
+    @Builder.Default
+    private List<Bookmark> bookmarks = new ArrayList<>();
+
     @Column
     @ElementCollection(fetch = FetchType.EAGER)
     @Builder.Default
@@ -74,4 +79,8 @@ public boolean isCredentialsNonExpired() {
     public boolean isEnabled() {
         return true;
     }
+
+    public void addBookmark(Bookmark bookmark){
+        this.bookmarks.add(bookmark);
+    }
 }

src/main/java/com/garam/garam_e_spring/domain/user/repository/BookmarkRepository.java

@@ -0,0 +1,9 @@
+package com.garam.garam_e_spring.domain.user.repository;
+
+import com.garam.garam_e_spring.domain.user.entity.Bookmark;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface BookmarkRepository extends JpaRepository<Bookmark, Long> {
+}

src/main/java/com/garam/garam_e_spring/domain/user/service/UserService.java

@@ -1,7 +1,10 @@
 package com.garam.garam_e_spring.domain.user.service;
 
 
+import com.garam.garam_e_spring.domain.user.dto.res.BookmarkCreateResponseDto;
+import com.garam.garam_e_spring.domain.user.entity.Bookmark;
 import com.garam.garam_e_spring.domain.user.entity.User;
+import com.garam.garam_e_spring.domain.user.repository.BookmarkRepository;
 import com.garam.garam_e_spring.domain.user.repository.UserRepository;
 import com.garam.garam_e_spring.domain.user.dto.req.UserRequestDto;
 import com.garam.garam_e_spring.domain.user.dto.res.UserResponseDto;
@@ -21,6 +24,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 @Slf4j
 @Transactional
@@ -29,6 +33,7 @@
 public class UserService {
 
     private final UserRepository userRepository;
+    private final BookmarkRepository bookmarkRepository;
     private final JwtTokenProvider jwtTokenProvider;
     private final RedisTemplate<String, Object> redisTemplate;
     private final PasswordEncoder passwordEncoder;
@@ -116,4 +121,33 @@ public BaseResponseDto<UserResponseDto.UpdateLanguage> updateLanguage(
         });
         return new BaseResponseDto<>(new UserResponseDto.UpdateLanguage(true, "언어 변경 성공"));
     }
+
+    @Transactional
+    public BaseResponseDto<BookmarkCreateResponseDto> createBookmark(String id, String message) {
+        User user = userRepository.findByUserId(id).orElse(null);
+        if (user == null) {
+            throw new IllegalArgumentException("존재하지 않는 유저입니다.");
+        }
+
+        Bookmark newBookmark = Bookmark.createBookmark(message, user);
+        bookmarkRepository.save(newBookmark);
+
+        return new BaseResponseDto<>(BookmarkCreateResponseDto.of("북마크 생성 성공"));
+    }
+
+    @Transactional
+    public BaseResponseDto<List<String>> getBookmark(String userId) {
+
+        User user = userRepository.findByUserId(userId).orElse(null);
+        if (user == null) {
+            throw new IllegalArgumentException("존재하지 않는 유저입니다.");
+        }
+
+        List<Bookmark> bookmarks = user.getBookmarks();
+        List<String> result = bookmarks.stream()
+                .map(Bookmark::getMessage)
+                .collect(Collectors.toList());
+
+        return new BaseResponseDto<>(result);
+    }
 }