🐛 email 없을시 업데이트 로직 버그 해결 및 카카오 email 파라미터 수정

Author: cheshireHYUN

src/main/java/com/boggle_boggle/bbegok/oauth/info/impl/KakaoOAuth2UserInfo.java

@@ -19,6 +19,6 @@ public String getId() {
 
     @Override
     public String getEmail() {
-        return (String) attributes.get("email");
+        return (String) attributes.get("account_email");
     }
 }

src/main/java/com/boggle_boggle/bbegok/oauth/service/CustomOAuth2UserService.java

@@ -71,9 +71,8 @@ private OAuth2User process(OAuth2UserRequest userRequest, OAuth2User user) {
 
     private void updateUser(User user, OAuth2UserInfo userInfo) {
         log.debug("### OAUTH2 EMAIL : {}", userInfo.getEmail());
-        if ((userInfo.getEmail() != null && user.getEmail() != null) && !user.getEmail().equals(userInfo.getEmail())) {
-            user.updateEmail(userInfo.getEmail());
-        }
+        if(userInfo.getEmail() == null) return;
+        if(user.getEmail() == null || (!user.getEmail().equals(userInfo.getEmail()))) user.updateEmail(userInfo.getEmail());
     }
 
     private User createUser(OAuth2UserInfo userInfo, ProviderType providerType) {