From be108a4a8a577e1a9fa2453067b181ed2b15cc2d Mon Sep 17 00:00:00 2001
From: challonsy <musain2019@naver.com>
Date: Mon, 17 Feb 2025 02:46:17 +0900
Subject: [PATCH] fix : deals null imgArray on patch logic

---
 src/main/java/muit/backend/domain/entity/member/Post.java  | 4 ++--
 .../muit/backend/service/postService/PostServiceImpl.java  | 7 +++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/main/java/muit/backend/domain/entity/member/Post.java b/src/main/java/muit/backend/domain/entity/member/Post.java
index 985af6c..803fdd8 100644
--- a/src/main/java/muit/backend/domain/entity/member/Post.java
+++ b/src/main/java/muit/backend/domain/entity/member/Post.java
@@ -80,10 +80,10 @@ public void changeMusical(Musical musical){
     }
 
     public void changeImg(List<UuidFile> newImgList, List<UuidFile> oldImgList){
-        if(oldImgList.size()!=this.images.size()){//기존 사진 개수가 달라졌으면
+        if(oldImgList!=null&&oldImgList.size()!=this.images.size()){//기존 사진 개수가 달라졌으면
             this.images.retainAll(oldImgList);//dto에서 보내준 이미지만 남기고 삭제된 항목은 고아객체 만들기
         }
-        if(!newImgList.isEmpty()){
+        if(newImgList!=null&&!newImgList.isEmpty()){
             this.images.addAll(newImgList);//새로운 이미지 추가된 건 따로 추가
         }
     }
diff --git a/src/main/java/muit/backend/service/postService/PostServiceImpl.java b/src/main/java/muit/backend/service/postService/PostServiceImpl.java
index ce42f32..1ee90d3 100644
--- a/src/main/java/muit/backend/service/postService/PostServiceImpl.java
+++ b/src/main/java/muit/backend/service/postService/PostServiceImpl.java
@@ -166,8 +166,11 @@ public PostResponseDTO.GeneralPostResponseDTO editPost(Long postId, PatchPostReq
         }
 
         //기존 이미지 url->UuidFile화
-        List<UuidFile> dtoImgs = requestDTO.getOriginalImgUrls().stream().map(file->
-                uuidFileService.getUuidFileByFileUrl(file).orElseThrow(()->new GeneralException(ErrorStatus.IMAGE_NOT_FOUND))).toList();
+        List<UuidFile> dtoImgs = null;
+        if(requestDTO.getOriginalImgUrls()!=null&&!requestDTO.getOriginalImgUrls().isEmpty()){
+            requestDTO.getOriginalImgUrls().stream().map(file->
+                    uuidFileService.getUuidFileByFileUrl(file).orElseThrow(()->new GeneralException(ErrorStatus.IMAGE_NOT_FOUND))).toList();
+        }
 
         //수정된 이미지 s3 생성
         List<UuidFile> newImgs = new ArrayList<>();