Feature/177 : 애플로그인 사용자명 랜덤 세팅

Briefing-Api/src/main/java/com/example/briefingapi/member/implement/MemberCommandService.java

@@ -9,7 +9,6 @@
 import java.util.Optional;
 
 import com.example.briefingapi.member.business.MemberConverter;
-import com.example.briefingcommon.common.constant.BriefingStatic;
 import com.example.briefingcommon.domain.repository.FcmTokenRepository;
 import com.example.briefingcommon.domain.repository.member.MemberRepository;
 import com.example.briefingapi.member.presentation.dto.MemberRequest;
@@ -18,7 +17,7 @@
 import com.example.briefingcommon.entity.FcmToken;
 import com.example.briefingcommon.entity.Member;
 import com.example.briefingcommon.entity.enums.SocialType;
-import com.example.briefinginfra.feign.nickname.hwanmoo.client.NickNameClient;
+import com.example.briefinginfra.feign.nickname.hwanmoo.adapter.NickNameGenerator;
 import com.example.briefinginfra.feign.oauth.apple.client.AppleOauth2Client;
 import com.example.briefinginfra.feign.oauth.apple.dto.ApplePublicKey;
 import com.example.briefinginfra.feign.oauth.apple.dto.ApplePublicKeyList;
@@ -34,15 +33,13 @@
 import io.jsonwebtoken.Jwts;
 import lombok.RequiredArgsConstructor;
 
-import static com.example.briefingcommon.common.constant.BriefingStatic.*;
-
 @Service
 @RequiredArgsConstructor
 public class MemberCommandService {
 
     private final MemberRepository memberRepository;
     private final AppleOauth2Client appleOauth2Client;
-    private final NickNameClient nickNameClient;
+    private final NickNameGenerator nickNameGenerator;
 
     private final FcmTokenRepository fcmTokenRepository;
 
@@ -92,9 +89,7 @@ private Member loginWithApple(MemberRequest.LoginDTO request) {
         Optional<Member> foundMember =
                 memberRepository.findBySocialIdAndSocialType(appleSocialId, SocialType.APPLE);
 
-        String nickName = "";
-        List<String> nickNameWords = nickNameClient.getNickName(NICK_NAME_FORMAT, NICK_NAME_COUNT, NICK_NAME_MAX_LENGTH).getWords();
-        if(!nickNameWords.isEmpty()) nickName = nickNameWords.get(0);
+        String nickName = nickNameGenerator.getOneRandomNickName();
 
         return foundMember.isEmpty()
                 ? memberRepository.save(MemberConverter.toMember(appleSocialId, nickName))

core/Briefing-Infra/src/main/java/com/example/briefinginfra/feign/nickname/hwanmoo/adapter/NickNameGenerator.java

@@ -0,0 +1,51 @@
+package com.example.briefinginfra.feign.nickname.hwanmoo.adapter;
+
+import com.example.briefinginfra.feign.nickname.hwanmoo.client.NickNameClient;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+import static com.example.briefingcommon.common.constant.BriefingStatic.*;
+import static com.example.briefingcommon.common.constant.BriefingStatic.NICK_NAME_FORMAT;
+
+@Component
+@RequiredArgsConstructor
+public class NickNameGenerator {
+    private final NickNameClient nickNameClient;
+
+    /**
+     * 기본 최대 길이를 사용하여 랜덤 닉네임을 생성하고 반환합니다.
+     * 이 메소드는 내부적으로 {@code getOneRandomNickNameWithDetails}를 호출합니다.
+     *
+     * @return 생성된 닉네임. 닉네임 생성에 실패한 경우 빈 문자열을 반환합니다.
+     */
+    public String getOneRandomNickName() {
+        return getOneRandomNickNameWithDetails(NICK_NAME_MAX_LENGTH);
+    }
+
+    /**
+     * 사용자가 지정한 최대 길이를 사용하여 랜덤 닉네임을 생성하고 반환합니다.
+     * 이 메소드는 내부적으로 {@code getOneRandomNickNameWithDetails}를 호출합니다.
+     *
+     * @param maxLength 생성할 닉네임의 최대 길이
+     * @return 생성된 닉네임. 닉네임 생성에 실패한 경우 빈 문자열을 반환합니다.
+     */
+    public String getOneRandomNickName(int maxLength) {
+        return getOneRandomNickNameWithDetails(maxLength);
+    }
+
+    /**
+     * 지정된 최대 길이를 사용하여 랜덤 닉네임을 생성하고, 생성된 목록에서 첫 번째 닉네임을 반환합니다.
+     * 이 메소드는 내부적으로 {@code NickNameClient}를 사용하여 닉네임을 요청합니다.
+     *
+     * @param maxLength 생성할 닉네임의 최대 길이
+     * @return 생성된 닉네임 중 첫 번째 닉네임. 닉네임 생성에 실패한 경우 빈 문자열을 반환합니다.
+     */
+    private String getOneRandomNickNameWithDetails(int maxLength) {
+        List<String> nickNameWords = nickNameClient.getNickName(NICK_NAME_FORMAT, NICK_NAME_COUNT, maxLength).getWords();
+        if (!nickNameWords.isEmpty()) return nickNameWords.get(0);
+        return "";
+    }
+}
+