✨ list user comments

Author: hyxrxn

backend/src/main/java/net/pengcook/comment/controller/CommentController.java

@@ -5,6 +5,7 @@
 import lombok.RequiredArgsConstructor;
 import net.pengcook.authentication.domain.UserInfo;
 import net.pengcook.authentication.resolver.LoginUser;
+import net.pengcook.comment.dto.CommentOfUserResponse;
 import net.pengcook.comment.dto.CommentOfRecipeResponse;
 import net.pengcook.comment.dto.CreateCommentRequest;
 import net.pengcook.comment.service.CommentService;
@@ -41,4 +42,9 @@ public void createComment(@RequestBody @Valid CreateCommentRequest request, @Log
     public void deleteComment(@PathVariable long commentId, @LoginUser UserInfo userInfo) {
         commentService.deleteComment(commentId, userInfo);
     }
+
+    @GetMapping("/mine")
+    public List<CommentOfUserResponse> readCommentsOfMe(@LoginUser UserInfo userInfo) {
+        return commentService.readCommentsOfUser(userInfo);
+    }
 }

backend/src/main/java/net/pengcook/comment/dto/CommentOfUserResponse.java

@@ -0,0 +1,21 @@
+package net.pengcook.comment.dto;
+
+import java.time.LocalDateTime;
+import net.pengcook.comment.domain.Comment;
+
+public record CommentOfUserResponse(
+        long commentId,
+        long recipeId,
+        String recipeTitle,
+        LocalDateTime createdAt,
+        String message) {
+
+    public CommentOfUserResponse(Comment comment) {
+        this(
+                comment.getId(),
+                comment.getRecipe().getId(),
+                comment.getRecipe().getTitle(),
+                comment.getCreatedAt(),
+                comment.getMessage());
+    }
+}

backend/src/main/java/net/pengcook/comment/repository/CommentRepository.java

@@ -11,4 +11,6 @@ public interface CommentRepository extends JpaRepository<Comment, Long> {
     void deleteByRecipeId(long recipeId);
 
     void deleteByUserId(long userId);
+
+    List<Comment> findAllByUserId(long userId);
 }

backend/src/main/java/net/pengcook/comment/service/CommentService.java

@@ -5,6 +5,7 @@
 import lombok.RequiredArgsConstructor;
 import net.pengcook.authentication.domain.UserInfo;
 import net.pengcook.comment.domain.Comment;
+import net.pengcook.comment.dto.CommentOfUserResponse;
 import net.pengcook.comment.dto.CommentOfRecipeResponse;
 import net.pengcook.comment.dto.CreateCommentRequest;
 import net.pengcook.comment.exception.NotFoundException;
@@ -72,6 +73,15 @@ public void deleteCommentsByUser(long userId) {
         commentRepository.deleteByUserId(userId);
     }
 
+    @Transactional(readOnly = true)
+    public List<CommentOfUserResponse> readCommentsOfUser(UserInfo userInfo) {
+        List<Comment> comments = commentRepository.findAllByUserId(userInfo.getId());
+
+        return comments.stream()
+                .map(CommentOfUserResponse::new)
+                .toList();
+    }
+
     private boolean isCommentOwner(UserInfo userInfo, Comment comment) {
         User owner = comment.getUser();
         long userId = userInfo.getId();

backend/src/test/java/net/pengcook/comment/controller/CommentControllerTest.java

@@ -26,6 +26,7 @@
 class CommentControllerTest extends RestDocsSetting {
 
     private static final int COMMENT_COUNT_OF_FIRST_RECIPE = 3;
+    private static final int COMMENT_COUNT_OF_LOKI = 2;
 
     @Test
     @WithLoginUser(email = "ela@pengcook.net")
@@ -172,4 +173,25 @@ void deleteCommentWhenNotCommentOwner() {
                 .then().log().all()
                 .statusCode(403);
     }
+
+    @Test
+    @WithLoginUser(email = "loki@pengcook.net")
+    @DisplayName("로그인한 사용자의 댓글을 조회한다.")
+    void readCommentsOfUser() {
+        RestAssured.given(spec).log().all()
+                .filter(document(DEFAULT_RESTDOCS_PATH,
+                        "로그인한 사용자의 댓글을 조회합니다.",
+                        "내 댓글 조회 API",
+                        responseFields(
+                                fieldWithPath("[]").description("댓글 목록"),
+                                fieldWithPath("[].commentId").description("댓글 아이디"),
+                                fieldWithPath("[].recipeId").description("레시피 아이디"),
+                                fieldWithPath("[].recipeTitle").description("레시피 제목"),
+                                fieldWithPath("[].createdAt").description("작성 시간"),
+                                fieldWithPath("[].message").description("내용")
+                        )))
+                .when().get("/comments/mine")
+                .then().log().all()
+                .body("size()", is(COMMENT_COUNT_OF_LOKI));
+    }
 }

backend/src/test/java/net/pengcook/comment/service/CommentServiceTest.java

@@ -8,6 +8,7 @@
 import java.util.List;
 import net.pengcook.authentication.domain.UserInfo;
 import net.pengcook.comment.dto.CommentOfRecipeResponse;
+import net.pengcook.comment.dto.CommentOfUserResponse;
 import net.pengcook.comment.dto.CreateCommentRequest;
 import net.pengcook.comment.exception.NotFoundException;
 import net.pengcook.comment.exception.UnauthorizedDeletionException;
@@ -81,7 +82,8 @@ void deleteComment() {
 
         assertAll(
                 () -> assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT - 1),
-                () -> assertThat(recipeRepository.findById(recipeId).orElseThrow().getCommentCount()).isEqualTo(before - 1)
+                () -> assertThat(recipeRepository.findById(recipeId).orElseThrow().getCommentCount()).isEqualTo(
+                        before - 1)
         );
     }
 
@@ -120,4 +122,18 @@ void deleteCommentsByUser() {
 
         assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT - 2);
     }
+
+    @Test
+    @DisplayName("특정 사용자의 댓글을 조회한다.")
+    void readCommentsOfUser() {
+        UserInfo userInfo = new UserInfo(2, "loki@pengcook.net");
+        List<CommentOfUserResponse> expect = List.of(
+                new CommentOfUserResponse(1L, 1L, "김밥", LocalDateTime.of(2024, 1, 1, 0, 0, 0), "great"),
+                new CommentOfUserResponse(3L, 2L, "김치찌개", LocalDateTime.of(2024, 5, 5, 0, 0, 0), "good")
+        );
+
+        List<CommentOfUserResponse> actual = commentService.readCommentsOfUser(userInfo);
+
+        assertThat(actual).containsExactlyInAnyOrderElementsOf(expect);
+    }
 }