[BE] refactor: 회원조회할때 커버링 인덱스가 적용되도록 수정

backend/src/main/java/org/donggle/backend/application/client/LoginClient.java

@@ -1,14 +1,14 @@
 package org.donggle.backend.application.client;
 
 import org.donggle.backend.domain.oauth.SocialType;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 
 public interface LoginClient {
     String createRedirectUri(final String redirectUri);
 
     String requestToken(final String authCode, final String redirectUri);
 
-    UserInfo findUserInfo(final String accessToken);
+    SocialUserInfo findUserInfo(final String accessToken);
 
     SocialType getSocialType();
 }

backend/src/main/java/org/donggle/backend/application/repository/MemberRepository.java

@@ -1,10 +1,11 @@
 package org.donggle.backend.application.repository;
 
+import org.donggle.backend.application.repository.dto.MemberInfo;
 import org.donggle.backend.domain.member.Member;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.Optional;
 
 public interface MemberRepository extends JpaRepository<Member, Long> {
-    Optional<Member> findBySocialId(final Long socialId);
+    Optional<MemberInfo> findBySocialId(final Long socialId);
 }

backend/src/main/java/org/donggle/backend/application/repository/dto/MemberInfo.java

@@ -0,0 +1,7 @@
+package org.donggle.backend.application.repository.dto;
+
+public record MemberInfo(
+        Long id,
+        Long socialId
+) {
+}

backend/src/main/java/org/donggle/backend/application/service/auth/AuthFacadeService.java

@@ -3,7 +3,7 @@
 import lombok.RequiredArgsConstructor;
 import org.donggle.backend.application.service.request.OAuthAccessTokenRequest;
 import org.donggle.backend.domain.oauth.SocialType;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 import org.donggle.backend.ui.response.TokenResponse;
 import org.springframework.stereotype.Service;
 
@@ -18,11 +18,11 @@ public String createAuthorizeRedirectUri(final String socialType, final String r
     }
 
     public TokenResponse login(final String socialType, final OAuthAccessTokenRequest request) {
-        final UserInfo userInfo = oauthClients.findUserInfo(
+        final SocialUserInfo socialUserInfo = oauthClients.findUserInfo(
                 SocialType.from(socialType),
                 request.code(),
                 request.redirect_uri());
-        return authService.login(userInfo);
+        return authService.login(socialUserInfo);
     }
 
     public void logout(final Long memberId) {

backend/src/main/java/org/donggle/backend/application/service/auth/AuthService.java

@@ -10,9 +10,10 @@
 import org.donggle.backend.domain.category.Category;
 import org.donggle.backend.domain.member.Member;
 import org.donggle.backend.domain.member.MemberCredentials;
+import org.donggle.backend.domain.member.MemberName;
 import org.donggle.backend.exception.business.DuplicatedMemberException;
 import org.donggle.backend.exception.notfound.MemberNotFoundException;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 import org.donggle.backend.ui.response.TokenResponse;
 import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
@@ -28,26 +29,28 @@ public class AuthService {
     private final MemberCredentialsRepository memberCredentialsRepository;
     private final CategoryRepository categoryRepository;
 
-    public TokenResponse login(final UserInfo userInfo) {
-        final Member loginMember = memberRepository.findBySocialId(userInfo.socialId())
-                .orElseGet(() -> initializeMember(userInfo));
-        return createTokens(loginMember);
+
+    public TokenResponse login(final SocialUserInfo socialUserInfo) {
+        return memberRepository.findBySocialId(socialUserInfo.socialId())
+                .map(memberInfo -> new Member(memberInfo.id(), new MemberName(socialUserInfo.nickname()), memberInfo.socialId()))
+                .map(this::createTokens)
+                .orElse(createTokens(initializeMember(socialUserInfo)));
     }
 
     public void logout(final Long memberId) {
         tokenRepository.deleteByMemberId(memberId);
     }
 
-    private Member initializeMember(final UserInfo userInfo) {
-        Member member = userInfo.toMember();
+    private Member initializeMember(final SocialUserInfo socialUserInfo) {
+        Member member = socialUserInfo.toMember();
         final Category basicCategory = Category.basic(member);
         final MemberCredentials basic = MemberCredentials.basic(member);
         try {
             member = memberRepository.save(member);
             categoryRepository.save(basicCategory);
             memberCredentialsRepository.save(basic);
         } catch (final DuplicateKeyException e) {
-            throw new DuplicatedMemberException(userInfo.socialType().name());
+            throw new DuplicatedMemberException(socialUserInfo.socialType().name());
         }
         return member;
     }

backend/src/main/java/org/donggle/backend/application/service/auth/LoginClients.java

@@ -2,7 +2,7 @@
 
 import org.donggle.backend.application.client.LoginClient;
 import org.donggle.backend.domain.oauth.SocialType;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 
 import java.util.EnumMap;
 import java.util.Map;
@@ -23,7 +23,7 @@ public String redirectUri(final SocialType socialType, final String redirectUri)
         return client.createRedirectUri(redirectUri);
     }
 
-    public UserInfo findUserInfo(final SocialType socialType, final String code, final String redirectUri) {
+    public SocialUserInfo findUserInfo(final SocialType socialType, final String code, final String redirectUri) {
         final LoginClient client = getClient(socialType);
         final String accessToken = client.requestToken(code, redirectUri);
         return client.findUserInfo(accessToken);

backend/src/main/java/org/donggle/backend/domain/member/Member.java

@@ -33,6 +33,12 @@ private Member(final MemberName memberName, final Long socialId) {
         this.socialId = socialId;
     }
 
+    public Member(final Long id, final MemberName memberName, final Long socialId) {
+        this.id = id;
+        this.memberName = memberName;
+        this.socialId = socialId;
+    }
+
     public static Member of(final MemberName memberName, final Long socialId) {
         return new Member(memberName, socialId);
     }

backend/src/main/java/org/donggle/backend/infrastructure/oauth/kakao/KakaoLoginClient.java

@@ -3,7 +3,7 @@
 import lombok.RequiredArgsConstructor;
 import org.donggle.backend.application.client.LoginClient;
 import org.donggle.backend.domain.oauth.SocialType;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -24,7 +24,7 @@ public String requestToken(final String authCode, final String redirectUri) {
     }
 
     @Override
-    public UserInfo findUserInfo(final String accessToken) {
+    public SocialUserInfo findUserInfo(final String accessToken) {
         return userInfoClient.request(accessToken);
     }
 

backend/src/main/java/org/donggle/backend/infrastructure/oauth/kakao/KakaoLoginUserInfoClient.java

@@ -1,8 +1,8 @@
 package org.donggle.backend.infrastructure.oauth.kakao;
 
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.KakaoProfileResponse;
-import org.donggle.backend.infrastructure.oauth.kakao.dto.response.UserInfo;
 import org.donggle.backend.infrastructure.client.exception.ClientException;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.KakaoProfileResponse;
+import org.donggle.backend.infrastructure.oauth.kakao.dto.response.SocialUserInfo;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.stereotype.Component;
 import org.springframework.web.reactive.function.client.WebClient;
@@ -22,7 +22,7 @@ public KakaoLoginUserInfoClient() {
         this.webClient = WebClient.create();
     }
 
-    public UserInfo request(final String accessToken) {
+    public SocialUserInfo request(final String accessToken) {
         return Objects.requireNonNull(webClient.get()
                 .uri(PROFILE_URL)
                 .header("Authorization", "Bearer " + accessToken)

backend/src/main/java/org/donggle/backend/infrastructure/oauth/kakao/dto/response/KakaoProfileResponse.java

@@ -10,9 +10,9 @@ public record KakaoProfileResponse(
         @JsonProperty("kakao_account") KakaoAccount kakaoAccount
 ) {
 
-    public UserInfo toUserInfo() {
+    public SocialUserInfo toUserInfo() {
         final Profile profile = kakaoAccount.profile;
-        return new UserInfo(
+        return new SocialUserInfo(
                 id,
                 SocialType.KAKAO,
                 profile.nickname

backend/src/main/java/org/donggle/backend/infrastructure/oauth/kakao/dto/response/UserInfo.java → backend/src/main/java/org/donggle/backend/infrastructure/oauth/kakao/dto/response/SocialUserInfo.java

@@ -1,10 +1,10 @@
 package org.donggle.backend.infrastructure.oauth.kakao.dto.response;
 
-import org.donggle.backend.domain.oauth.SocialType;
 import org.donggle.backend.domain.member.Member;
 import org.donggle.backend.domain.member.MemberName;
+import org.donggle.backend.domain.oauth.SocialType;
 
-public record UserInfo(
+public record SocialUserInfo(
         Long socialId,
         SocialType socialType,
         String nickname