CLAP-434 fix:닉네임 정규식 검증 에러 핸들링 추가

Author: Sihun23

src/main/java/clap/server/application/service/admin/CsvParseService.java

@@ -20,6 +20,7 @@
 import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.regex.Pattern;
 
 import static clap.server.domain.model.member.MemberInfo.toMemberInfo;
 
@@ -32,6 +33,8 @@ public class CsvParseService {
     private final LoadDepartmentPort loadDepartmentPort;
     private final ManagerInfoUpdatePolicy managerInfoUpdatePolicy;
 
+    private static final Pattern NICKNAME_PATTERN = Pattern.compile("^[a-z]{3,10}\\.[a-z]{1,5}$");
+
     public List<Member> parseDataAndMapToMember(MultipartFile file) {
         List<Member> members = new ArrayList<>();
         List<Department> departments = loadDepartmentPort.findActiveDepartments();
@@ -56,6 +59,11 @@ public List<Member> parseDataAndMapToMember(MultipartFile file) {
     }
 
     private Member mapToMember(String[] fields, List<Department> departments) {
+        String nickname = fields[1].trim();
+
+        if (!NICKNAME_PATTERN.matcher(nickname).matches()) {
+            throw new ApplicationException(MemberErrorCode.INVALID_NICKNAME_FORMAT);
+        }
 
         if (!validateEmailAndNickname(fields[4].trim(), fields[1].trim())) {
             throw new ApplicationException(MemberErrorCode.INVALID_EMAIL_NICKNAME_MATCH);

src/main/java/clap/server/exception/code/MemberErrorCode.java

@@ -21,6 +21,8 @@ public enum MemberErrorCode implements BaseErrorCode {
     MANAGER_PERMISSION_DENIED(HttpStatus.BAD_REQUEST, "MEMBER_013", "담당자 권한이 없는 부서입니다."),
     INVALID_EMAIL_NICKNAME_MATCH(HttpStatus.BAD_REQUEST, "MEMBER_014", "닉네임과 이메일이 일치하지 않습니다"),
     MANAGER_MEMBER_UPDATE_NOT_ALLOWED_WITH_TASKS(HttpStatus.BAD_REQUEST, "MEMBER_015", "잔여 작업이 남아있어 수정이 불가합니다."),
+    INVALID_NICKNAME_FORMAT(HttpStatus.BAD_REQUEST, "MEMBER_016", "잘못된 닉네임 형식입니다."),
+
     ;
 
     private final HttpStatus httpStatus;