[FEAT] #19 게시글 작성 기능 구현

src/main/java/com/example/be/repository/PostRepository.java

@@ -0,0 +1,7 @@
+package com.example.be.repository;
+
+import com.example.be.domain.Post;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface PostRepository extends JpaRepository<Post, Long> {
+}

src/main/java/com/example/be/service/PostServiceImpl.java

@@ -0,0 +1,58 @@
+package com.example.be.service;
+
+
+import com.example.be.apiPayload.ApiResponse;
+import com.example.be.apiPayload.code.status.ErrorStatus;
+import com.example.be.apiPayload.exception.handler.UserHandler;
+import com.example.be.domain.Post;
+import com.example.be.domain.User;
+import com.example.be.repository.PostRepository;
+import com.example.be.repository.UserRepository;
+import com.example.be.web.dto.CommonDTO;
+import com.example.be.web.dto.PostDTO;
+import com.example.be.web.dto.UserDTO;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+
+@Service
+@RequiredArgsConstructor
+public class PostServiceImpl {
+    private final JwtUtilServiceImpl jwtUtilService;
+    private final UserRepository userRepository;
+    private final PostRepository postRepository;
+
+    public CommonDTO.IsSuccessDTO write(PostDTO.postRequestDTO request, HttpServletRequest req) {
+
+        String accessToken = jwtUtilService.extractTokenFromCookie(req, "accessToken");
+
+        // 토큰이 없는 경우 처리
+        if(accessToken == null) {
+            throw new UserHandler(ErrorStatus._NOT_FOUND_USER);
+        }
+
+        // 토큰에서 사용자 ID 추출
+        String userId = jwtUtilService.getUserIdFromToken(accessToken);
+
+        // 사용자 정보 조회
+        User user = userRepository.findByUserId(UUID.fromString(userId))
+                .orElseThrow(() -> new UserHandler(ErrorStatus._NOT_FOUND_USER));
+
+        Post post = Post.builder()
+                .title(request.getTitle())
+                .content(request.getContent())
+                .user(user)
+                .createDate(LocalDateTime.now())
+                .build();
+
+        postRepository.save(post);
+
+
+        return CommonDTO.IsSuccessDTO.builder().isSuccess(true).build();
+    }
+}

src/main/java/com/example/be/service/UserServiceImpl.java

@@ -127,6 +127,8 @@ public UserDTO.UserResponseDto getUserInfo(String accessToken) {
                 .loginType(user.getProvider())
                 .build();
     }
+
+
     public CommonDTO.IsSuccessDTO logout(HttpServletResponse response, HttpServletRequest request) {
         Cookie[] cookies = request.getCookies();
 

src/main/java/com/example/be/web/controller/PostController.java

@@ -0,0 +1,32 @@
+package com.example.be.web.controller;
+
+import com.example.be.apiPayload.ApiResponse;
+import com.example.be.apiPayload.code.status.ErrorStatus;
+import com.example.be.apiPayload.exception.handler.UserHandler;
+import com.example.be.domain.User;
+import com.example.be.repository.UserRepository;
+import com.example.be.service.JwtUtilServiceImpl;
+import com.example.be.service.PostServiceImpl;
+import com.example.be.web.dto.CommonDTO;
+import com.example.be.web.dto.PostDTO;
+import com.example.be.web.dto.UserDTO;
+import io.swagger.v3.oas.annotations.Operation;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/post")
+@RequiredArgsConstructor
+public class PostController {
+
+    private final PostServiceImpl postService;
+
+    @PostMapping("/write")
+    @Operation(summary = "게시글 작성 API")
+    public ApiResponse<CommonDTO.IsSuccessDTO> write(@RequestBody PostDTO.postRequestDTO request, HttpServletRequest req) {
+
+        return ApiResponse.onSuccess(postService.write(request, req));
+    }
+
+}

src/main/java/com/example/be/web/dto/PostDTO.java

@@ -0,0 +1,41 @@
+package com.example.be.web.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDate;
+import java.util.Date;
+import java.util.List;
+
+public class PostDTO {
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class postRequestDTO{
+        String title;
+        String content;
+    }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class postResponseDTO {
+        String title;
+        String content;
+        String user;
+        LocalDate date;
+    }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class postListResponseDTO{
+        List<postResponseDTO> postList;
+    }
+}