feat: 이메일 인증 코드 재요청시 기존 코드 삭제 추가

backend/src/main/java/com/edufocus/edufocus/mail/service/MailServiceImpl.java

@@ -1,7 +1,6 @@
 package com.edufocus.edufocus.mail.service;
 
 import com.edufocus.edufocus.redis.util.RedisUtil;
-import com.edufocus.edufocus.user.model.entity.vo.User;
 import com.edufocus.edufocus.user.model.repository.UserRepository;
 import com.edufocus.edufocus.user.model.service.UserService;
 import lombok.RequiredArgsConstructor;
@@ -11,7 +10,6 @@ import org.springframework.mail.SimpleMailMessage;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.stereotype.Service;
 
-import java.util.NoSuchElementException;
 import java.util.Random;
 
 @Service
@@ -31,10 +29,16 @@ public class MailServiceImpl implements MailService {
     @Override
     public void sendMail(String email) {
         String code = createRandomCode();
-        redisUtil.setDataExpire(code, email, 60 * 5L);
 
-        SimpleMailMessage mail = createEmail(email, "[EDUFOCUS] 비밀번호 찾기 안내", code);
+        if (redisUtil.exists(email)) {
-        mailSender.send(mail);
+            redisUtil.deleteData(redisUtil.getData(email));
+        }
+
+        redisUtil.setDataExpire(code, email, 60 * 5L);
+        redisUtil.setDataExpire(email, code, 60 * 5L);
+
+//        SimpleMailMessage mail = createEmail(email, "[EDUFOCUS] 비밀번호 찾기 안내", code);
+//        mailSender.send(mail);
     }
 
     @Override
@@ -46,6 +50,7 @@ public class MailServiceImpl implements MailService {
 
     private SimpleMailMessage createEmail(String to, String title, String code) {
         SimpleMailMessage message = new SimpleMailMessage();
+        message.setFrom("EDUFOCUS");
         message.setTo(to);
         message.setSubject(title);
         message.setText("인증번호 6자리입니다 : " + code);

backend/src/main/java/com/edufocus/edufocus/redis/util/RedisUtil.java

@@ -33,4 +33,8 @@ public class RedisUtil {
         stringRedisTemplate.delete(key);
     }
 
+    public boolean exists(String key) {
+        return stringRedisTemplate.hasKey(key);
+    }
+
 }

backend/src/main/java/com/edufocus/edufocus/user/controller/UserController.java

@@ -71,9 +71,9 @@ public class UserController {
 
     // 비밀번호 찾기를 통한 변경
     @PutMapping("/updateforgottenpassword")
-    public ResponseEntity<String> updatePassword(@RequestParam long userId,
+    public ResponseEntity<String> updatePassword(@RequestParam String email,
                                                  @RequestParam String newPassword) {
-        userService.changeForgottenPassword(userId, newPassword);
+        userService.changeForgottenPassword(email, newPassword);
         return new ResponseEntity<>(HttpStatus.OK);
     }
 

backend/src/main/java/com/edufocus/edufocus/user/model/service/UserService.java

@@ -28,5 +28,5 @@ public interface UserService {
 
     boolean isEmailExist(String email);
 
-    void changeForgottenPassword(Long id, String newPassword);
+    void changeForgottenPassword(String email, String newPassword);
 }

backend/src/main/java/com/edufocus/edufocus/user/model/service/UserServiceImpl.java

@@ -143,8 +143,8 @@ public class UserServiceImpl implements UserService {
     }
 
     @Override
-    public void changeForgottenPassword(Long id, String newPassword) {
+    public void changeForgottenPassword(String email, String newPassword) {
-        User user = userRepository.findById(id).orElse(null);
+        User user = userRepository.findByEmail(email).orElse(null);
 
         if (user == null) {
             throw new UserException("User not found");