[Feature] 메모 기능 추가 (#40)

* feature: 메모 추가하기 (#39)

* feat: 메모 수정하기 대응(#39)

* feat: 메모 삭제하기 (#39)

* refactor: postReader 메소드 명 수정 (#39)

* refactor: swagger yml 분리 (#22)

.gitignore

@@ -42,6 +42,7 @@ application-jwt.yml
 application-local.yml
 application-oauth.yml
 application-ai.yml
+application-swagger.yml
 
 ### java ###
 LocalSecurityConfig.java

src/main/java/project/backend/business/memo/MemoService.java

@@ -0,0 +1,30 @@
+package project.backend.business.memo;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import project.backend.business.memo.implement.MemoManager;
+import project.backend.business.memo.request.CreateUpdateMemoServiceRequest;
+import project.backend.business.post.implement.PostReader;
+import project.backend.entity.post.Post;
+
+@Service
+@RequiredArgsConstructor
+public class MemoService {
+
+  private final PostReader postReader;
+  private final MemoManager memoManager;
+
+  @Transactional
+  public void createUpdateMemo(Long userId, CreateUpdateMemoServiceRequest memoServiceRequest) {
+    Post post = postReader.readActivatedPublishedPost(userId, memoServiceRequest.getPostId());
+    memoManager.createUpdateMemo(post, memoServiceRequest.getContent());
+  }
+
+  @Transactional
+  public void deleteMemo(Long userId, Long postId) {
+    Post post = postReader.readActivatedPublishedPost(userId, postId);
+    memoManager.deleteMemo(post);
+  }
+
+}

src/main/java/project/backend/business/memo/implement/MemoManager.java

@@ -0,0 +1,28 @@
+package project.backend.business.memo.implement;
+
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import project.backend.entity.post.Post;
+import project.backend.repository.post.PostRepository;
+
+@Slf4j
+@Component
+@AllArgsConstructor
+public class MemoManager {
+
+  private final PostRepository postRepository;
+
+  public void createUpdateMemo(Post post, String content) {
+    post.setMemo(content);
+    post.setMemoCreatedAt(LocalDateTime.now());
+    postRepository.save(post);
+  }
+
+  public void deleteMemo(Post post) {
+    post.setMemo(null);
+    post.setMemoCreatedAt(null);
+    postRepository.save(post);
+  }
+}

src/main/java/project/backend/business/memo/request/CreateUpdateMemoServiceRequest.java

@@ -0,0 +1,13 @@
+package project.backend.business.memo.request;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class CreateUpdateMemoServiceRequest {
+
+  private Long postId;
+  private String content;
+
+}

src/main/java/project/backend/business/post/PostService.java

@@ -77,7 +77,7 @@ public CreateUpdatePostResponse createNewPostDetail(Long userId,
   @Transactional
   public CreateUpdatePostResponse updatePostDetail(Long userId, Long postId,
       PostDetailDto postDetailDto) {
-    Post post = postReader.read(userId, postId);
+    Post post = postReader.readActivatedPost(userId, postId);
     postManager.updatePost(post, postDetailDto);
     Long id = post.getId();
 
@@ -86,14 +86,14 @@ public CreateUpdatePostResponse updatePostDetail(Long userId, Long postId,
 
   @Transactional
   public void deletePostDetail(Long userId, Long postId) {
-    Post post = postReader.read(userId, postId);
+    Post post = postReader.readActivatedPost(userId, postId);
     postManager.deletePost(post);
   }
 
   @Transactional
   public CreateUpdatePostResponse updateSummaryPost(Long userId, Long postId,
       CreatePostServiceRequest createPostServiceRequest) {
-    Post post = postReader.readPostAndUser(postId);
+    Post post = postReader.readActivatedPostAndWriter(postId);
 
     if (post.getUser() != null && !Objects.equals(post.getUser().getId(), userId)) {
       throw new CustomException(ErrorCode.BAD_REQUEST);

src/main/java/project/backend/business/post/implement/PostReader.java

@@ -15,6 +15,7 @@
 import project.backend.common.error.CustomException;
 import project.backend.common.error.ErrorCode;
 import project.backend.entity.post.Post;
+import project.backend.entity.post.PostStatus;
 import project.backend.repository.post.PostRepository;
 
 @Slf4j
@@ -25,13 +26,20 @@ public class PostReader {
   private final PostRepository postRepository;
   private final TagReader tagReader;
 
-  public Post readPostAndUser(Long postId) {
-    return postRepository.findPostAndUserAndActivatedTrueById(postId)
+  public Post readActivatedPost(Long userId, Long postId) {
+    return postRepository.findByIdAndUserIdAndActivatedTrue(postId, userId)
                          .orElseThrow(() -> new CustomException(ErrorCode.BAD_REQUEST));
   }
 
-  public Post read(Long userId, Long postId) {
-    return postRepository.findByIdAndUserIdAndActivatedTrue(postId, userId)
+  public Post readActivatedPublishedPost(Long userId, Long PostId) {
+    return postRepository.findPostByIdAndUserIdAndStatusAndActivatedTrue(PostId, userId,
+                             PostStatus.PUBLISHED)
+                         .orElseThrow(() -> new CustomException(
+                             ErrorCode.BAD_REQUEST));
+  }
+
+  public Post readActivatedPostAndWriter(Long postId) {
+    return postRepository.findPostAndUserAndActivatedTrueById(postId)
                          .orElseThrow(() -> new CustomException(ErrorCode.BAD_REQUEST));
   }
 

src/main/java/project/backend/presentation/memo/controller/MemoController.java

@@ -0,0 +1,39 @@
+package project.backend.presentation.memo.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import project.backend.business.memo.MemoService;
+import project.backend.presentation.memo.request.CreateUpdateMemoRequest;
+import project.backend.security.aop.AssignCurrentUserInfo;
+import project.backend.security.aop.CurrentUserInfo;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/memo")
+public class MemoController implements MemoControllerDocs {
+
+  private final MemoService memoService;
+
+  @AssignCurrentUserInfo
+  @PostMapping
+  public ResponseEntity<Void> createUpdateMemo(CurrentUserInfo userInfo, @RequestParam Long postId,
+      @RequestBody CreateUpdateMemoRequest memoRequest) {
+    memoService.createUpdateMemo(userInfo.getUserId(), memoRequest.toServiceRequest(postId));
+    return new ResponseEntity<>(HttpStatus.OK);
+  }
+
+  @AssignCurrentUserInfo
+  @DeleteMapping
+  public ResponseEntity<Void> deleteMemo(CurrentUserInfo userInfo, @RequestParam Long postId) {
+    memoService.deleteMemo(userInfo.getUserId(), postId);
+    return new ResponseEntity<>(HttpStatus.OK);
+  }
+
+}

src/main/java/project/backend/presentation/memo/controller/MemoControllerDocs.java

@@ -0,0 +1,24 @@
+package project.backend.presentation.memo.controller;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestParam;
+import project.backend.presentation.memo.request.CreateUpdateMemoRequest;
+import project.backend.security.aop.CurrentUserInfo;
+
+@Tag(name = "메모 API")
+public interface MemoControllerDocs {
+
+  @Operation(summary = "메모 추가/수정 API", description = "게시글에 메모를 추가 및 수정합니다.")
+  @Parameter(name = "userInfo", hidden = true)
+  @Parameter(name = "postId", description = "메모 추가/수정할 게시글 id")
+  ResponseEntity<Void> createUpdateMemo(CurrentUserInfo userInfo, Long postId,
+      CreateUpdateMemoRequest memoRequest);
+
+  @Operation(summary = "메모 삭제 API", description = "게시글의 메모를 삭제 합니다.")
+  @Parameter(name = "userInfo", hidden = true)
+  @Parameter(name = "postId", description = "메모 삭제할 게시글 id")
+  ResponseEntity<Void> deleteMemo(CurrentUserInfo userInfo, @RequestParam Long postId);
+}

src/main/java/project/backend/presentation/memo/request/CreateUpdateMemoRequest.java

@@ -0,0 +1,17 @@
+package project.backend.presentation.memo.request;
+
+import lombok.Getter;
+import project.backend.business.memo.request.CreateUpdateMemoServiceRequest;
+
+@Getter
+public class CreateUpdateMemoRequest {
+
+  private String content;
+
+  public CreateUpdateMemoServiceRequest toServiceRequest(Long postId) {
+    return CreateUpdateMemoServiceRequest.builder()
+                                         .postId(postId)
+                                         .content(content)
+                                         .build();
+  }
+}

src/main/resources/application.yml

@@ -1,7 +1,7 @@
 spring:
   profiles:
     active:
-      dev
+      local
     group:
       local-env:
         - local
@@ -13,22 +13,4 @@ spring:
       - jwt
       - oauth
       - ai
-
-springdoc:
-  swagger-ui:
-    groups-order: DESC
-    tags-sorter: alpha
-    operations-sorter: method
-    disable-swagger-default-url: true
-    display-request-duration: true
-    defaultModelsExpandDepth: 2
-    defaultModelExpandDepth: 2
-  api-docs:
-    path: /api-docs
-  show-actuator: true
-  default-consumes-media-type: application/json
-  default-produces-media-type: application/json
-  writer-with-default-pretty-printer: true
-  model-and-view-allowed: true
-  paths-to-match:
-    - /**
+      - swagger