✨ [Feature] - 서버 날짜 설정 및 유저 닉네임 설정 (#15)

* Feat: 스프링 서버 시간 한국으로 설정

* Feat: 사용자 닉네임 지정 로직 추가

* Fix: 초기 포인트 설정

src/main/java/ice/spot/SpotApplication.java

@@ -1,11 +1,19 @@
 package ice.spot;
 
+import jakarta.annotation.PostConstruct;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import java.util.TimeZone;
+
 @SpringBootApplication
 public class SpotApplication {
 
+	@PostConstruct
+	public void init() {
+		TimeZone.setDefault(TimeZone.getTimeZone("Asia/Seoul"));
+	}
+
 	public static void main(String[] args) {
 		SpringApplication.run(SpotApplication.class, args);
 	}

src/main/java/ice/spot/domain/User.java

@@ -54,20 +54,21 @@ public class User {
     private String refreshToken;
 
     @Builder
-    public User(String serialId, String password, String nickname, ERole role, EProvider provider, Long point) {
+    public User(String serialId, String password, String nickname, ERole role, EProvider provider) {
         this.serialId = serialId;
         this.password = password;
         this.nickname = nickname;
         this.role = role;
         this.provider = provider;
-        this.point = point;
+        this.point = 0L;
         this.createdAt = LocalDate.now();
     }
 
     public void register(String nickname) {
         this.nickname = nickname;
         this.createdAt = LocalDate.now();
         this.role = ERole.USER;
+        this.point = 0L;
     }
 
     public void updateRefreshToken(String refreshToken) {

src/main/java/ice/spot/security/info/KakaoOauth2UserInfo.java

@@ -13,4 +13,9 @@ public KakaoOauth2UserInfo(Map<String, Object> attributes) {
     public String getId() {
         return attributes.get("id").toString();
     }
+
+    @Override
+    public String getNickname() {
+        return attributes.get("nickname").toString();
+    }
 }

src/main/java/ice/spot/security/info/factory/Oauth2UserInfo.java

@@ -10,4 +10,5 @@
 public abstract class Oauth2UserInfo {
     protected final Map<String, Object> attributes;
     public abstract String getId();
+    public abstract String getNickname();
 }

src/main/java/ice/spot/security/service/CustomOauth2UserDetailService.java

@@ -52,8 +52,9 @@ public OAuth2User loadUser(
                                             bCryptPasswordEncoder
                                             .encode(UUID.randomUUID().toString())
                                     )
+                                    .nickname(oauth2UserInfo.getNickname())
                                     .provider(provider)
-                                    .role(ERole.GUEST)
+                                    .role(ERole.USER)
                                     .build()
                     );
                     return UserRepository.UserSecurityForm.invoke(newUser);