refactor: 액세스토큰과 리프레쉬토큰을 Enum으로 구분

- 기존의 RefreshToken, AccessToken 객체를 제거

src/main/java/com/j9/bestmoments/domain/Token.java

@@ -1,23 +1,35 @@
 package com.j9.bestmoments.domain;
 
+import lombok.Builder;
 import lombok.NoArgsConstructor;
 import org.springframework.data.annotation.Id;
 import java.util.UUID;
 import lombok.Getter;
 import org.springframework.data.redis.core.RedisHash;
+import org.springframework.data.redis.core.TimeToLive;
 
 @Getter
 @NoArgsConstructor
-@RedisHash("Token")
-public class Token {
+@RedisHash(value = "Token")
+public
+class Token {
 
     @Id
     private String token;
+
+    private TokenType tokenType;
+
+    @TimeToLive
+    private Long expiration;
+
     private UUID memberId;
 
-    public Token(Member member, String token) {
-        this.token = token;
+    @Builder
+    public Token(Member member, TokenType tokenType, String token) {
         this.memberId = member.getId();
+        this.token = token;
+        this.tokenType = tokenType;
+        this.expiration = tokenType.getExpiration();
     }
 
 }

src/main/java/com/j9/bestmoments/domain/TokenType.java

@@ -0,0 +1,18 @@
+package com.j9.bestmoments.domain;
+
+import com.j9.bestmoments.constants.TokenExpiration;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public enum TokenType {
+
+    ACCESS_TOKEN("accessToken", TokenExpiration.ACCESS_TOKEN),
+    REFRESH_TOKEN("refreshToken", TokenExpiration.REFRESH_TOKEN),
+    ;
+
+    private final String name;
+    private final long expiration;
+
+}

src/main/java/com/j9/bestmoments/repository/TokenRepository.java

@@ -7,6 +7,4 @@
 @Repository
 public interface TokenRepository extends CrudRepository<Token, String> {
 
-    boolean existsByToken(String token);
-
 }

src/main/java/com/j9/bestmoments/service/TokenService.java

@@ -1,9 +1,8 @@
 package com.j9.bestmoments.service;
 
-import com.j9.bestmoments.domain.AccessToken;
 import com.j9.bestmoments.domain.Member;
-import com.j9.bestmoments.domain.RefreshToken;
 import com.j9.bestmoments.domain.Token;
+import com.j9.bestmoments.domain.TokenType;
 import com.j9.bestmoments.dto.response.LoginDto;
 import com.j9.bestmoments.jwt.JwtTokenProvider;
 import com.j9.bestmoments.repository.TokenRepository;
@@ -27,21 +26,30 @@ public LoginDto create(Member member) {
         String accessToken = createAccessToken(member);
         String refreshToken = createRefreshToken(member);
         log.info("토큰 발급됨\n  - accessToken: {}\n  - refreshToken: {}", accessToken, refreshToken);
+        this.findByToken(accessToken);
         return new LoginDto(accessToken, refreshToken, member.getDeletedAt());
     }
 
     private String createAccessToken(Member member) {
-        String accessTokenValue = jwtTokenProvider.generateAccessToken(member);
-        AccessToken accessToken = new AccessToken(member, accessTokenValue);
+        String token = jwtTokenProvider.generateAccessToken(member);
+        Token accessToken = Token.builder()
+                .member(member)
+                .tokenType(TokenType.ACCESS_TOKEN)
+                .token(token)
+                .build();
         tokenRepository.save(accessToken);
-        return accessTokenValue;
+        return token;
     }
 
     private String createRefreshToken(Member member) {
-        String refreshTokenValue = jwtTokenProvider.generateRefreshToken(member);
-        RefreshToken refreshToken = new RefreshToken(member, refreshTokenValue);
+        String token = jwtTokenProvider.generateRefreshToken(member);
+        Token refreshToken = Token.builder()
+                .member(member)
+                .tokenType(TokenType.REFRESH_TOKEN)
+                .token(token)
+                .build();
         tokenRepository.save(refreshToken);
-        return refreshTokenValue;
+        return token;
     }
 
     @Transactional