Merge pull request #107 from APPS-sookmyung/feature/#92-like-api

[Feature/#92-like-api ] LIKE API

src/docs/asciidoc/index.adoc

@@ -36,6 +36,7 @@ pochak server team~~
 
 * link:post.html[Post API]
 * link:comment.html[Comment API]
+* link:like.html[LIKE API]
 
 === Member
 * link:profile.html[Profile API]

src/docs/asciidoc/like.adoc

@@ -0,0 +1,49 @@
+= COMMENT API
+pochak server team~~
+:doctype: book
+:icons: font
+:source-highlighter: highlishtjs
+:toc: left
+:toclevels: 4
+:sectlinks:
+
+ifndef::snippets[]
+:snippets: ./build/generated-snippets
+endif::[]
+
+== `GET` Like API
+
+좋아요 누른 사람들 조회 API
+
+=== Request
+
+include::{snippets}/get-like/curl-request.adoc[]
+
+==== path parameters
+include::{snippets}/get-like/path-parameters.adoc[]
+
+==== request headers
+include::{snippets}/get-like/request-headers.adoc[]
+
+=== Response
+==== response body
+include::{snippets}/get-like/response-body.adoc[]
+include::{snippets}/get-like/response-fields.adoc[]
+
+== `POST` Like API
+
+포스트 좋아요 API
+
+=== Request
+include::{snippets}/like-post/http-request.adoc[]
+
+==== path parameters
+include::{snippets}/like-post/path-parameters.adoc[]
+
+==== request headers
+include::{snippets}/like-post/request-headers.adoc[]
+
+=== Response
+==== response body
+include::{snippets}/like-post/response-body.adoc[]
+include::{snippets}/like-post/response-fields.adoc[]

src/main/java/com/apps/pochak/global/apiPayload/code/status/ErrorStatus.java

@@ -31,6 +31,7 @@ public enum ErrorStatus implements BaseErrorCode {
     FOLLOW_ONESELF(BAD_REQUEST, "FOLLOW4002", "자기 자신을 팔로우할 수 없습니다."),
 
     // Like
+    POST_OWNER_LIKE(BAD_REQUEST, "LIKE4001", "포스트의 owner는 좋아요를 누를 수 없습니다."),
 
     // Login
     INVALID_TOKEN(BAD_REQUEST, "LOGIN4001", "잘못된 엑세스 토큰입니다."),

src/main/java/com/apps/pochak/global/apiPayload/code/status/SuccessStatus.java

@@ -26,6 +26,7 @@ public enum SuccessStatus implements BaseCode {
     SUCCESS_DELETE_FOLLOWER(NO_CONTENT, "FOLLOW2003", "성공적으로 팔로워를 삭제하였습니다."),
 
     // Like
+    SUCCESS_LIKE(NO_CONTENT, "LIKE2001", "성공적으로 좋아요를 처리하였습니다."),
 
     // Login
     SUCCESS_LOG_OUT(NO_CONTENT, "LOGIN2001", "성공적으로 로그아웃하였습니다"),

src/main/java/com/apps/pochak/like/controller/LikeController.java

@@ -0,0 +1,28 @@
+package com.apps.pochak.like.controller;
+
+import com.apps.pochak.global.apiPayload.ApiResponse;
+import com.apps.pochak.like.dto.response.LikeElements;
+import com.apps.pochak.like.service.LikeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import static com.apps.pochak.global.apiPayload.code.status.SuccessStatus.SUCCESS_LIKE;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("api/v2/posts/{postId}/like")
+public class LikeController {
+
+    private final LikeService likeService;
+
+    @GetMapping("")
+    public ApiResponse<LikeElements> getLikeMembers(@PathVariable("postId") final Long postId) {
+        return ApiResponse.onSuccess(likeService.getMemberLikedPost(postId));
+    }
+
+    @PostMapping("")
+    public ApiResponse<Void> likePost(@PathVariable("postId") final Long postId) {
+        likeService.likePost(postId);
+        return ApiResponse.of(SUCCESS_LIKE);
+    }
+}

src/main/java/com/apps/pochak/like/domain/repository/LikeRepository.java

@@ -8,6 +8,8 @@
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
+import java.util.List;
+
 public interface LikeRepository extends JpaRepository<LikeEntity, Long> {
     int countByLikedPost(final Post post);
 
@@ -19,4 +21,9 @@ Boolean existsByLikeMemberAndLikedPost(final Member member,
             "set like.status = 'DELETED' " +
             "where like.likeMember.id = :memberId or like.likedPost.owner.id = :memberId")
     void deleteLikeByMemberId(@Param("memberId") final Long memberId);
+
+    LikeEntity findByLikeMemberAndLikedPost(final Member member,
+                                            final Post post);
+
+    List<LikeEntity> findByLikedPost(final Post post);
 }

src/main/java/com/apps/pochak/like/dto/response/LikeElement.java

@@ -1,7 +1,22 @@
 package com.apps.pochak.like.dto.response;
 
-import lombok.Data;
+import com.apps.pochak.member.domain.Member;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 
-@Data
+@Getter
+@AllArgsConstructor
 public class LikeElement {
+
+    private String handle;
+    private String profileImage;
+    private String name;
+    private Boolean follow;
+
+    public LikeElement(final Member member, final Boolean follow) {
+        this.handle = member.getHandle();
+        this.profileImage = member.getProfileImage();
+        this.name = member.getName();
+        this.follow = follow;
+    }
 }

src/main/java/com/apps/pochak/like/dto/response/LikeElements.java

@@ -1,7 +1,13 @@
 package com.apps.pochak.like.dto.response;
 
-import lombok.Data;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 
-@Data
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
 public class LikeElements {
+
+    private final List<LikeElement> likeMembersList;
 }

src/main/java/com/apps/pochak/like/service/LikeService.java

@@ -1,11 +1,63 @@
 package com.apps.pochak.like.service;
 
+import com.apps.pochak.follow.domain.repository.FollowRepository;
+import com.apps.pochak.global.apiPayload.exception.GeneralException;
+import com.apps.pochak.like.domain.LikeEntity;
 import com.apps.pochak.like.domain.repository.LikeRepository;
+import com.apps.pochak.like.dto.response.LikeElement;
+import com.apps.pochak.like.dto.response.LikeElements;
+import com.apps.pochak.login.jwt.JwtService;
+import com.apps.pochak.member.domain.Member;
+import com.apps.pochak.post.domain.Post;
+import com.apps.pochak.post.domain.repository.PostRepository;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
+import static com.apps.pochak.global.BaseEntityStatus.ACTIVE;
+import static com.apps.pochak.global.BaseEntityStatus.DELETED;
+import static com.apps.pochak.global.apiPayload.code.status.ErrorStatus.POST_OWNER_LIKE;
+
 @Service
 @RequiredArgsConstructor
 public class LikeService {
     private final LikeRepository likeRepository;
+    private final PostRepository postRepository;
+    private final FollowRepository followRepository;
+    private final JwtService jwtService;
+
+    @Transactional
+    public void likePost(final Long postId) {
+        final Member loginMember = jwtService.getLoginMember();
+        final Post post = postRepository.findPostById(postId);
+
+        if (loginMember == post.getOwner())
+            throw new GeneralException(POST_OWNER_LIKE);
+
+        LikeEntity postLike = likeRepository.findByLikeMemberAndLikedPost(loginMember, post);
+        if (postLike != null) {
+            if (postLike.getStatus().equals(ACTIVE))
+                postLike.setStatus(DELETED);
+            else if (postLike.getStatus().equals(DELETED))
+                postLike.setStatus(ACTIVE);
+        } else {
+            postLike = new LikeEntity(loginMember, post);
+        }
+        likeRepository.save(postLike);
+    }
+
+    @Transactional
+    public LikeElements getMemberLikedPost(final Long postId) {
+        final Member loginMember = jwtService.getLoginMember();
+        final Post likedPost = postRepository.findPostById(postId);
+        List<LikeEntity> likes = likeRepository.findByLikedPost(likedPost);
+
+        final List<LikeElement> likeElements = likes.stream().map(
+                like -> new LikeElement(like.getLikeMember(), followRepository.existsBySenderAndReceiver(loginMember, like.getLikeMember())
+                )).toList();
+
+        return new LikeElements(likeElements);
+    }
 }

src/main/resources/static/docs/index.html

@@ -513,6 +513,9 @@ <h3 id="_post"><a class="link" href="#_post">Post</a></h3>
 <li>
 <p><a href="comment.html">Comment API</a></p>
 </li>
+<li>
+<p><a href="like.html">LIKE API</a></p>
+</li>
 </ul>
 </div>
 </div>
@@ -545,7 +548,7 @@ <h3 id="_login"><a class="link" href="#_login">Login</a></h3>
 <div id="footer">
 <div id="footer-text">
 Version 0.0.1-SNAPSHOT<br>
-Last updated 2024-02-19 21:56:58 +0900
+Last updated 2024-03-03 20:39:40 +0900
 </div>
 </div>
 </body>