From e8e91abc44e9a957d4d01ad54acd254e354b30df Mon Sep 17 00:00:00 2001
From: acceptor-gyu <gseonggyu968@gmail.com>
Date: Wed, 14 Jun 2023 11:02:33 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EA=B4=80=EC=8B=AC=20=EC=83=81=ED=92=88?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80(#34)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/secondhand/post/PostController.java   | 10 ----------
 .../com/secondhand/post/entity/Interest.java  |  7 +++++++
 .../com/secondhand/user/UserController.java   | 16 +++++++++++++++
 .../java/com/secondhand/user/UserService.java | 20 +++++++++++++++++++
 4 files changed, 43 insertions(+), 10 deletions(-)

diff --git a/be/src/main/java/com/secondhand/post/PostController.java b/be/src/main/java/com/secondhand/post/PostController.java
index 39d5cf86d..8a0ad7d6f 100644
--- a/be/src/main/java/com/secondhand/post/PostController.java
+++ b/be/src/main/java/com/secondhand/post/PostController.java
@@ -115,16 +115,6 @@ public ResponseEntity<CustomResponse> deletePost(@PathVariable Long postId, @Req
                         "판매글 삭제 성공"));
     }
 
-    @PostMapping("/{postId}")
-    public ResponseEntity<CustomResponse> changeInterestPost(@PathVariable Long postId) {
-        return ResponseEntity
-                .ok()
-                .body(new CustomResponse(
-                        "success",
-                        200,
-                        "관심상품 추가 / 삭제 성공"));
-    }
-
     @PatchMapping("/{postId}")
     public ResponseEntity<CustomResponse> changePostStatus(@PathVariable Long postId, @RequestBody UpdatePostStateDto stateDto, @RequestHeader("Authorization") String token) {
 
diff --git a/be/src/main/java/com/secondhand/post/entity/Interest.java b/be/src/main/java/com/secondhand/post/entity/Interest.java
index 2f3dbb71b..9cbcb9a12 100644
--- a/be/src/main/java/com/secondhand/post/entity/Interest.java
+++ b/be/src/main/java/com/secondhand/post/entity/Interest.java
@@ -2,11 +2,13 @@
 
 import com.secondhand.user.entity.User;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
 
 @Entity
 @Getter
+@NoArgsConstructor
 public class Interest {
 
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -19,4 +21,9 @@ public class Interest {
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "post_meta_id")
     private PostMeta postMeta;
+
+    public Interest(User user, PostMeta postMeta) {
+        this.user = user;
+        this.postMeta = postMeta;
+    }
 }
diff --git a/be/src/main/java/com/secondhand/user/UserController.java b/be/src/main/java/com/secondhand/user/UserController.java
index d301bda55..f33b2c091 100644
--- a/be/src/main/java/com/secondhand/user/UserController.java
+++ b/be/src/main/java/com/secondhand/user/UserController.java
@@ -2,6 +2,7 @@
 
 import com.secondhand.region.dto.PostMyRegionDto;
 import com.secondhand.user.login.JwtUtil;
+import com.secondhand.user.login.dto.LoggedInUser;
 import com.secondhand.util.CustomResponse;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -32,4 +33,19 @@ public ResponseEntity<CustomResponse> updateMyRegion(@RequestBody PostMyRegionDt
                         "지역 등록 성공"
                 ));
     }
+
+    @PostMapping("/{postId}")
+    public ResponseEntity<CustomResponse> addInterestPost(@PathVariable Long postId, @RequestHeader("Authorization") String token) {
+
+        LoggedInUser loggedInUser = jwtUtil.extractedUserFromToken(token);
+
+        userService.addInterestPost(postId, loggedInUser);
+
+        return ResponseEntity
+                .ok()
+                .body(new CustomResponse(
+                        "success",
+                        200,
+                        "관심상품 추가 / 삭제 성공"));
+    }
 }
diff --git a/be/src/main/java/com/secondhand/user/UserService.java b/be/src/main/java/com/secondhand/user/UserService.java
index fa9bafaa0..36d740b9c 100644
--- a/be/src/main/java/com/secondhand/user/UserService.java
+++ b/be/src/main/java/com/secondhand/user/UserService.java
@@ -1,17 +1,27 @@
 package com.secondhand.user;
 
+import com.secondhand.post.entity.Interest;
+import com.secondhand.post.entity.PostMeta;
+import com.secondhand.post.repository.InterestRepository;
+import com.secondhand.post.repository.PostMetaRepository;
 import com.secondhand.region.dto.PostMyRegionDto;
 import com.secondhand.user.entity.User;
+import com.secondhand.user.login.dto.LoggedInUser;
 import com.secondhand.user.repository.UserRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import javax.transaction.Transactional;
+
 @Service
 @RequiredArgsConstructor
 public class UserService {
 
     private final UserRepository userRepository;
+    private final PostMetaRepository postMetaRepository;
+    private final InterestRepository interestRepository;
 
+    @Transactional
     public void updateMyRegion(long userId, PostMyRegionDto postMyRegionDto) {
 
         User loggedInUser = userRepository.findById(userId)
@@ -21,4 +31,14 @@ public void updateMyRegion(long userId, PostMyRegionDto postMyRegionDto) {
 
         userRepository.save(modifiedUser);
     }
+
+    @Transactional
+    public void addInterestPost(long postId, LoggedInUser loggedInUser) {
+
+        User user = userRepository.findById(loggedInUser.getId()).orElseThrow();
+        PostMeta postMeta = postMetaRepository.findById(postId).orElseThrow();
+
+        Interest interest = new Interest(user, postMeta);
+        interestRepository.save(interest);
+    }
 }