changes.patch

diff --git a/src/main/java/com/Backend/ToothDay/community/comment/Comment.java b/src/main/java/com/Backend/ToothDay/community/comment/Comment.java
index a7e432a..a765dfb 100644
--- a/src/main/java/com/Backend/ToothDay/community/comment/Comment.java
+++ b/src/main/java/com/Backend/ToothDay/community/comment/Comment.java
@@ -1,7 +1,6 @@
 package com.Backend.ToothDay.community.comment;
 
 import com.Backend.ToothDay.community.post.Post;
-import com.Backend.ToothDay.jwt.model.User;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -24,7 +23,5 @@ public class Comment {
 
     private LocalDateTime createDate;
 
-    @JoinColumn(name = "user_id")
-    @ManyToOne
-    private User user;
+    //user
 }
diff --git a/src/main/java/com/Backend/ToothDay/community/comment/CommentController.java b/src/main/java/com/Backend/ToothDay/community/comment/CommentController.java
deleted file mode 100644
index 88fc0bb..0000000
--- a/src/main/java/com/Backend/ToothDay/community/comment/CommentController.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.Backend.ToothDay.community.comment;
-
-import com.Backend.ToothDay.community.post.PostDTO;
-import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Repository;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-@RequiredArgsConstructor
-public class CommentController {
-
-//    @PostMapping("/api/community/{postId}/comment")
-//    public PostDTO commentUpload(@PathVariable long postId, @RequestParam String content) {
-//
-//    }
-}
diff --git a/src/main/java/com/Backend/ToothDay/community/like/PostLike.java b/src/main/java/com/Backend/ToothDay/community/like/PostLike.java
index e385016..59d3abb 100644
--- a/src/main/java/com/Backend/ToothDay/community/like/PostLike.java
+++ b/src/main/java/com/Backend/ToothDay/community/like/PostLike.java
@@ -1,7 +1,6 @@
 package com.Backend.ToothDay.community.like;
 
 import com.Backend.ToothDay.community.post.Post;
-import com.Backend.ToothDay.jwt.model.User;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -20,7 +19,5 @@ public class PostLike {
     @ManyToOne
     private Post post;
 
-    @JoinColumn(name = "user_id")
-    @ManyToOne
-    private User user;
+    //user
 }
diff --git a/src/main/java/com/Backend/ToothDay/community/post/Post.java b/src/main/java/com/Backend/ToothDay/community/post/Post.java
index 5f55d21..f2e9469 100644
--- a/src/main/java/com/Backend/ToothDay/community/post/Post.java
+++ b/src/main/java/com/Backend/ToothDay/community/post/Post.java
@@ -42,4 +42,9 @@ public class Post {
     @OneToMany(mappedBy = "post",cascade = CascadeType.ALL)
     private List<PostKeyword> postKeywords = new ArrayList<>();
 
+    //public void setKeywords() {
+     //   this.keywords = this.postKeywords.stream()
+       //         .map(pk -> pk.getPostKeywordId().getKeywordId())
+       //         .collect(Collectors.toList());
+   // }
 }
diff --git a/src/main/java/com/Backend/ToothDay/community/post/PostController.java b/src/main/java/com/Backend/ToothDay/community/post/PostController.java
index 7f6733a..c33d938 100644
--- a/src/main/java/com/Backend/ToothDay/community/post/PostController.java
+++ b/src/main/java/com/Backend/ToothDay/community/post/PostController.java
@@ -27,10 +27,12 @@ public class PostController {
         return postService.getAllPostDTO();
     }
 
-    @GetMapping("/community/{keywordId}") //게시글 조회
-    public List<PostDTO> communityFindByKeywordId(@PathVariable int keywordId) {
-        return postService.getPostDTOByKeywordId(keywordId);
-    }
+//    @GetMapping("/community/{keywordId}")
+//    public List<PostDTO> communityFindByKeywordId(@PathVariable int keywordId) {
+//
+//    }
+
+
 
     @GetMapping("/community/upload") //커뮤니티 작성 화면
     public PostForm communityUploadForm() {
@@ -38,7 +40,6 @@ public class PostController {
     }
 
     @PostMapping("/community/upload") //게시글 작성
-
     public PostDTO communityUpload(@RequestBody PostForm postForm, HttpServletRequest request) {
         // JWT 토큰에서 userId 추출
         String token = request.getHeader("Authorization").replace("Bearer ", "");
@@ -47,6 +48,7 @@ public class PostController {
         // userId를 이용하여 User 객체를 가져옵니다.
         User user = userRepository.findById(userId).orElseThrow(() -> new RuntimeException("User not found"));
 
+
         Post post = new Post();
         post.setTitle(postForm.getTitle());
         post.setContent(postForm.getContent());
diff --git a/src/main/java/com/Backend/ToothDay/community/post/PostRepository.java b/src/main/java/com/Backend/ToothDay/community/post/PostRepository.java
index 285c962..256ded3 100644
--- a/src/main/java/com/Backend/ToothDay/community/post/PostRepository.java
+++ b/src/main/java/com/Backend/ToothDay/community/post/PostRepository.java
@@ -6,9 +6,7 @@ import org.springframework.util.CollectionUtils;
 
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Collectors;
 
 @Slf4j
 @Repository
@@ -19,25 +17,41 @@ public class PostRepository {
 
     public void save(Post post, List<Integer> keywordIds) {
         em.persist(post);
-        Keyword keyword = em.find(Keyword.class,1);
-        PostKeyword postKeyword = new PostKeyword();
-        PostKeywordId postKeywordId = new PostKeywordId(post.getId(), keyword.getId());
-        postKeyword.setPostKeywordId(postKeywordId);
-        postKeyword.setPost(post);
-        postKeyword.setKeyword(keyword);
-        em.persist(postKeyword);
-        post.getPostKeywords().add(postKeyword);
-        if(!CollectionUtils.isEmpty(keywordIds)) {
+        if(CollectionUtils.isEmpty(keywordIds)) {
+            Keyword keyword = em.find(Keyword.class,1);
+            if (keyword == null) {
+                throw new NullPointerException("Keyword with ID 1 is null");
+            }
+            PostKeyword postKeyword = new PostKeyword();
+            PostKeywordId postKeywordId = new PostKeywordId(post.getId(), keyword.getId());
+            postKeyword.setPostKeywordId(postKeywordId);
+            postKeyword.setPost(post);
+            postKeyword.setKeyword(keyword);
+            em.persist(postKeyword);
+            post.getPostKeywords().add(postKeyword);
+        }
+        else {
+            Keyword keyword1 = em.find(Keyword.class,1);
+            if (keyword1 == null) {
+                throw new NullPointerException("Keyword with ID 1 is null");
+            }
+            PostKeyword postKeyword1 = new PostKeyword();
+            PostKeywordId postKeywordId1 = new PostKeywordId(post.getId(), keyword1.getId());
+            postKeyword1.setPostKeywordId(postKeywordId1);
+            postKeyword1.setPost(post);
+            postKeyword1.setKeyword(keyword1);
+            em.persist(postKeyword1);
+            post.getPostKeywords().add(postKeyword1);
             for (Integer keywordId : keywordIds) {
-                Keyword keyword1 = em.find(Keyword.class, keywordId);
-                if(keyword1 != null) {
-                    PostKeyword postKeyword1 = new PostKeyword();
-                    PostKeywordId postKeywordId1 = new PostKeywordId(post.getId(), keywordId);
-                    postKeyword1.setPostKeywordId(postKeywordId1);
-                    postKeyword1.setPost(post);
-                    postKeyword1.setKeyword(keyword1);
-                    em.persist(postKeyword1);
-                    post.getPostKeywords().add(postKeyword1);
+                Keyword keyword = em.find(Keyword.class, keywordId);
+                if(keyword != null) {
+                    PostKeyword postKeyword = new PostKeyword();
+                    PostKeywordId postKeywordId = new PostKeywordId(post.getId(), keywordId);
+                    postKeyword.setPostKeywordId(postKeywordId);
+                    postKeyword.setPost(post);
+                    postKeyword.setKeyword(keyword);
+                    em.persist(postKeyword);
+                    post.getPostKeywords().add(postKeyword);
                 }
                 else {
                     throw new IllegalArgumentException("Keyword with ID " + keywordId + " not found");
@@ -51,10 +65,9 @@ public class PostRepository {
     }
 
     public List<Post> findByKeywordId(int keywordId) {
-         List<PostKeyword> postKeywords = em.createQuery("select e from PostKeyword e where e.keyword.id = :keywordId", PostKeyword.class)
-                 .setParameter("keywordId", keywordId).getResultList();
-         List<Post> posts =postKeywords.stream().map(PostKeyword::getPost).collect(Collectors.toList());
-         return posts;
+         return em.createQuery("select e from PostKeyword e where e.keyword = :keywordId", Post.class)
+                 .setParameter("keywordId", keywordId)
+                 .getResultList();
     }
 
     public Post findById(long postId) {
diff --git a/src/main/java/com/Backend/ToothDay/community/post/PostService.java b/src/main/java/com/Backend/ToothDay/community/post/PostService.java
index ae9860f..7adfa94 100644
--- a/src/main/java/com/Backend/ToothDay/community/post/PostService.java
+++ b/src/main/java/com/Backend/ToothDay/community/post/PostService.java
@@ -24,15 +24,16 @@ public class PostService {
         return postRepository.findAll();
     }
 
-//    public List<Post> findByKeywordId(int keywordId) {
-//        return postRepository.findByKeywordId(keywordId);
-//    }
+    public List<Post> findByKeywordId(int keywordId) {
+        return postRepository.findByKeywordId(keywordId);
+    }
 
     public Post findById(int postId) {
         return postRepository.findById(postId);
     }
 
     public void save(Post post, List<Integer> keywordIds) {
+
         postRepository.save(post, keywordIds);
     }
 
@@ -63,6 +64,7 @@ public class PostService {
             userDTO.setEmail(user.getEmail());
             postDTO.setUser(userDTO);
         }
+        //postDTO.setKeywords(post.getPostKeywords().stream().map(pk->pk.getKeyword().getKeywordId()).collect(Collectors.toList()));
 
         List<Integer> keywords = post.getPostKeywords().stream()
                 .map(pk -> pk.getKeyword().getId())