[BE] refactor: 유저 로그인 시 nickname 반환으로 변경 (#98)

Signed-off-by: EunJiJung <bianbbc87@gmail.com>

Author: bianbbc87

src/backend/user-server/src/main/java/com/asyncgate/user_server/dto/response/DefaultJsonWebTokenResponse.java

@@ -14,6 +14,11 @@ public class DefaultJsonWebTokenResponse {
     @NotBlank
     private final String userId;
 
+    @Schema(description = "유저 Nickname", example = "idididid")
+    @JsonProperty("nickname")
+    @NotBlank
+    private final String nickname;
+
     @Schema(description = "JWT 토큰", example = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c")
     @JsonProperty("access_token")
     @NotBlank
@@ -22,9 +27,11 @@ public class DefaultJsonWebTokenResponse {
     @Builder
     public DefaultJsonWebTokenResponse(
             String userId,
+            String nickname,
             String accessToken
     ) {
         this.userId = userId;
+        this.nickname = nickname;
         this.accessToken = accessToken;
     }
 }

src/backend/user-server/src/main/java/com/asyncgate/user_server/security/utility/JsonWebTokenUtil.java

@@ -32,9 +32,10 @@ public void afterPropertiesSet() {
     }
 
     // token 생성 메서드
-    public DefaultJsonWebTokenResponse generate(final String id) {
+    public DefaultJsonWebTokenResponse generate(final String id, final String nickname) {
         return new DefaultJsonWebTokenResponse(
                 id,
+                nickname,
                 generateJwt(id, accessTokenExpirePeriod)
         );
     }

src/backend/user-server/src/main/java/com/asyncgate/user_server/service/LoginMemberService.java

@@ -33,7 +33,7 @@ public DefaultJsonWebTokenResponse execute(final LoginMemberRequest request) {
             throw new UserServerException(FailType._INVALID_PASSWORD);
         }
 
-        DefaultJsonWebTokenResponse response = jsonWebTokenUtil.generate(member.getId());
+        DefaultJsonWebTokenResponse response = jsonWebTokenUtil.generate(member.getId(), member.getNickname());
         log.info(response.getAccessToken());
 
         return response;