fix: 403 handler, data integrity handler, phone column size

backend/src/main/java/com/srsystem/exception/GlobalExceptionHandler.java

@@ -3,7 +3,10 @@ package com.srsystem.exception;
 import com.srsystem.dto.ApiResponse;
 import jakarta.persistence.OptimisticLockException;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
@@ -40,6 +43,21 @@ public class GlobalExceptionHandler {
                 .body(ApiResponse.error(ErrorCode.SYSTEM_CONCURRENCY.getMessage()));
     }
 
+    @ExceptionHandler(AccessDeniedException.class)
+    public ResponseEntity<ApiResponse<Void>> handleAccessDenied() {
+        return ResponseEntity
+                .status(HttpStatus.FORBIDDEN)
+                .body(ApiResponse.error("접근 권한이 없습니다"));
+    }
+
+    @ExceptionHandler(DataIntegrityViolationException.class)
+    public ResponseEntity<ApiResponse<Void>> handleDataIntegrity(DataIntegrityViolationException ex) {
+        log.warn("Data integrity violation", ex);
+        return ResponseEntity
+                .badRequest()
+                .body(ApiResponse.error("데이터 중복 또는 제약 조건 위반입니다"));
+    }
+
     @ExceptionHandler(Exception.class)
     public ResponseEntity<ApiResponse<Void>> handleGenericException(Exception ex) {
         log.error("Unexpected exception occurred", ex);

backend/src/main/java/com/srsystem/service/EmployeeService.java

@@ -10,6 +10,7 @@ import com.srsystem.entity.enums.EmpStatus;
 import com.srsystem.entity.enums.RoleCode;
 import com.srsystem.exception.BusinessException;
 import com.srsystem.exception.ErrorCode;
+import org.springframework.dao.DataIntegrityViolationException;
 import com.srsystem.repository.DispatchHistoryRepository;
 import com.srsystem.repository.EmployeeEmergencyContactRepository;
 import com.srsystem.repository.EmployeeRepository;
@@ -90,7 +91,11 @@ public class EmployeeService {
         if (employee.getDispatchStatus() == null) employee.setDispatchStatus(DispatchStatus.WAITING);
 
         employee.setPassword(passwordEncoder.encode(employee.getPassword()));
-        return employeeRepository.save(employee);
+        try {
+            return employeeRepository.save(employee);
+        } catch (DataIntegrityViolationException e) {
+            throw new BusinessException(ErrorCode.DUPLICATE_LOGIN_ID);
+        }
     }
 
     @Transactional

backend/src/main/resources/db/migration/V23__fix_phone_column.sql

@@ -0,0 +1 @@
+ALTER TABLE tb_employee ALTER COLUMN phone TYPE VARCHAR(255);