[REFACTOR] updatePreferredStyle 수정

Author: simhyunmin

src/main/java/fitfit/domain/member/entity/Member.java

@@ -68,7 +68,10 @@ public class Member extends BaseEntity {
     private MemberStatus status;  // 회원 가입 상태
 
     @Enumerated(EnumType.STRING)
-    @Column(length = 255)
+    @ElementCollection(fetch = FetchType.LAZY)
+    @CollectionTable(name = "member_preferred_style",
+        joinColumns = @JoinColumn(name = "member_id"))
+    @Column(name = "style_name", length = 25)
     private List<Style> preferredStyle;
 
     private LocalDateTime inactiveAt;
@@ -101,7 +104,18 @@ public void updateProfileImgUrl(String profileImgUrl) {
 
     public void updatePhoneNumber(String phoneNumber) {this.phoneNumber = phoneNumber;}
 
-    public void updatePreferredStyle(List<Style> preferredStyle) {this.preferredStyle = new ArrayList<>(preferredStyle);}
+    public void updatePreferredStyle(List<Style> newStyleList) {
+        if (this.preferredStyle == null) {
+            this.preferredStyle = new ArrayList<>();
+        } else {
+            this.preferredStyle.clear();
+        }
+
+        // 2. 새 리스트가 null이 아니고 비어있지 않다면, 모든 요소를 추가합니다.
+        if (newStyleList != null && !newStyleList.isEmpty()) {
+            this.preferredStyle.addAll(newStyleList);
+        }
+    }
 
     public void updateFullBodyImgUrl(String fullBodyImgUrl) {this.fullBodyImgUrl = fullBodyImgUrl;}