백엔드 서비스 구조 개선 및 데이터베이스 스키마 추가

common/src/main/java/com/kt/event/common/security/JwtTokenProvider.java

@@ -12,7 +12,6 @@ import javax.crypto.SecretKey;
 import java.nio.charset.StandardCharsets;
 import java.util.Date;
 import java.util.List;
-import java.util.UUID;
 
 /**
  * JWT 토큰 생성 및 검증 제공자
@@ -57,13 +56,13 @@ public class JwtTokenProvider {
      * @return Access Token
      */
 
-    public String createAccessToken(UUID userId, UUID storeId, String email, String name, List<String> roles) {
+    public String createAccessToken(String userId, String storeId, String email, String name, List<String> roles) {
         Date now = new Date();
         Date expiryDate = new Date(now.getTime() + accessTokenValidityMs);
 
         return Jwts.builder()
-                .subject(userId.toString())
-                .claim("storeId", storeId != null ? storeId.toString() : null)
+                .subject(userId)
+                .claim("storeId", storeId)
                 .claim("email", email)
                 .claim("name", name)
                 .claim("roles", roles)
@@ -80,12 +79,12 @@ public class JwtTokenProvider {
      * @param userId 사용자 ID
      * @return Refresh Token
      */
-    public String createRefreshToken(UUID userId) {
+    public String createRefreshToken(String userId) {
         Date now = new Date();
         Date expiryDate = new Date(now.getTime() + refreshTokenValidityMs);
 
         return Jwts.builder()
-                .subject(userId.toString())
+                .subject(userId)
                 .claim("type", "refresh")
                 .issuedAt(now)
                 .expiration(expiryDate)
@@ -99,9 +98,9 @@ public class JwtTokenProvider {
      * @param token JWT 토큰
      * @return 사용자 ID
      */
-    public UUID getUserIdFromToken(String token) {
+    public String getUserIdFromToken(String token) {
         Claims claims = parseToken(token);
-        return UUID.fromString(claims.getSubject());
+        return claims.getSubject();
     }
 
     /**
@@ -113,9 +112,8 @@ public class JwtTokenProvider {
     public UserPrincipal getUserPrincipalFromToken(String token) {
         Claims claims = parseToken(token);
 
-        UUID userId = UUID.fromString(claims.getSubject());
-        String storeIdStr = claims.get("storeId", String.class);
-        UUID storeId = storeIdStr != null ? UUID.fromString(storeIdStr) : null;
+        String userId = claims.getSubject();
+        String storeId = claims.get("storeId", String.class);
         String email = claims.get("email", String.class);
         String name = claims.get("name", String.class);
         @SuppressWarnings("unchecked")

common/src/main/java/com/kt/event/common/security/UserPrincipal.java

@@ -9,7 +9,6 @@ import org.springframework.security.core.userdetails.UserDetails;
 
 import java.util.Collection;
 import java.util.List;
-import java.util.UUID;
 import java.util.stream.Collectors;
 
 /**
@@ -24,12 +23,12 @@ public class UserPrincipal implements UserDetails {
     /**
      * 사용자 ID
      */
-    private final UUID userId;
+    private final String userId;
 
     /**
      * 매장 ID
      */
-    private final UUID storeId;
+    private final String storeId;
 
     /**
      * 사용자 이메일