Refactor: 사용자 소셜 가입 정보 User 도메인 통합

src/main/java/slvtwn/khu/toyouserver/common/authentication/social/strategy/KakaoAuthStrategy.java

@@ -2,7 +2,6 @@
 
 import static slvtwn.khu.toyouserver.domain.SocialAuthProvider.KAKAO;
 
-import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
@@ -11,20 +10,16 @@
 import slvtwn.khu.toyouserver.common.authentication.jwt.Token;
 import slvtwn.khu.toyouserver.common.feign.auth.kakao.KakaoAuthApiClient;
 import slvtwn.khu.toyouserver.common.feign.auth.kakao.KakaoResourceApiClient;
-import slvtwn.khu.toyouserver.common.feign.auth.kakao.web.KakaoTokenResponse;
 import slvtwn.khu.toyouserver.common.feign.auth.kakao.web.KakaoUserResponse;
 import slvtwn.khu.toyouserver.domain.User;
-import slvtwn.khu.toyouserver.domain.UserSocialAccount;
 import slvtwn.khu.toyouserver.dto.SocialAuthRequest;
 import slvtwn.khu.toyouserver.dto.SocialAuthResponse;
 import slvtwn.khu.toyouserver.persistance.UserRepository;
-import slvtwn.khu.toyouserver.persistance.UserSocialAccountRepository;
 
 @Service
 @RequiredArgsConstructor
 public class KakaoAuthStrategy implements SocialAuthStrategy {
 
-	private final UserSocialAccountRepository userSocialAccountRepository;
 	@Value("${oauth.kakao.client-id}")
 	private String kakaoClientId;
 	@Value("${oauth.kakao.redirect-uri}")
@@ -44,14 +39,17 @@ public class KakaoAuthStrategy implements SocialAuthStrategy {
 	@Override
 	@Transactional
 	public SocialAuthResponse login(SocialAuthRequest request) {
-		KakaoTokenResponse tokenResponse = kakaoAuthApiClient.getOAuth2AccessToken(
-				kakaoGrantType,
-				kakaoClientId,
-				kakaoRedirectUri,
-				request.authorizationCode()
-		);
+//		KakaoTokenResponse tokenResponse = kakaoAuthApiClient.getOAuth2AccessToken(
+//				kakaoGrantType,
+//				kakaoClientId,
+//				kakaoRedirectUri,
+//				request.authorizationCode()
+//		);
+//		KakaoUserResponse userResponse = kakaoResourceApiClient.getUserInformation(
+//				"Bearer " + tokenResponse.accessToken());
+
 		KakaoUserResponse userResponse = kakaoResourceApiClient.getUserInformation(
-				"Bearer " + tokenResponse.accessToken());
+				"Bearer " + "5KPI3VXXHURq8oW-Tf4QakyEigvBgSNoAAAAAQo8JCAAAAGSQcoJl-AsyCcGfplL");
 		User user = findOrCreateUser(userResponse);
 		Token token = jwtProvider.issueTokens(user.getId());
 		return SocialAuthResponse.of(user.getId(), user.getName(), KAKAO, token);
@@ -63,26 +61,18 @@ public boolean support(String provider) {
 	}
 
 	private User findOrCreateUser(KakaoUserResponse userResponse) {
-		Optional<UserSocialAccount> account = userSocialAccountRepository.findByProviderSerial(
-				userResponse.id());
-		if (account.isPresent()) {
-			UserSocialAccount verifiedSocialAccount = account.get();
-			return userRepository.findById(verifiedSocialAccount.getUserId()).orElseThrow(
-					() -> new IllegalStateException("등록된 카카오 계정에 해당하는 유저가 없습니다."));
-		} else {
-			return registerUser(userResponse);
-		}
+		return userRepository.findByProviderSerial(userResponse.id())
+				.orElseGet(() -> registerUser(userResponse));
 	}
 
 	private User registerUser(KakaoUserResponse userResponse) {
 		User user = User.create(
 				userResponse.kakaoAccount().profile().nickname(),
 				userResponse.kakaoAccount().profile().profileImageUrl(),
-				KAKAO
+				KAKAO,
+				userResponse.id()
 		);
 		userRepository.save(user);
-		UserSocialAccount newAccount = UserSocialAccount.createAccountByKakao(user.getId(), userResponse.id());
-		userSocialAccountRepository.save(newAccount);
 		return user;
 	}
 }

src/main/java/slvtwn/khu/toyouserver/domain/User.java

@@ -9,13 +9,15 @@
 import jakarta.persistence.Table;
 import java.time.LocalDate;
 import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import slvtwn.khu.toyouserver.common.entity.BaseTimeEntity;
 
 @Entity
 @Table(name = "users")
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 @Getter
 public class User extends BaseTimeEntity {
 
@@ -34,15 +36,18 @@ public class User extends BaseTimeEntity {
 	@Enumerated(EnumType.STRING)
 	private SocialAuthProvider provider;
 
-	public User(String name, LocalDate birthday, String introduction, String profilePicture, SocialAuthProvider provider) {
+	private String providerSerial;
+
+	public User(String name, LocalDate birthday, String introduction, String profilePicture,
+	            SocialAuthProvider provider) {
 		this.name = name;
 		this.birthday = birthday;
 		this.introduction = introduction;
 		this.profilePicture = profilePicture;
 	}
 
-	public static User create(String name, String profilePicture, SocialAuthProvider provider) {
-		return new User(name, null, null, profilePicture, provider);
+	public static User create(String name, String profilePicture, SocialAuthProvider provider, String providerSerial) {
+		return new User(null, name, null, null, profilePicture, provider, providerSerial);
 	}
 
 	public User updateInfo(String name, LocalDate birthday, String introduction, String profilePicture) {

src/main/java/slvtwn/khu/toyouserver/persistance/UserRepository.java

@@ -1,8 +1,9 @@
 package slvtwn.khu.toyouserver.persistance;
 
+import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
 import slvtwn.khu.toyouserver.domain.User;
 
 public interface UserRepository extends JpaRepository<User, Long> {
-
+	Optional<User> findByProviderSerial(String providerSerial);
 }