Merge pull request #75 from Block-Guard/refactor/#74/check-duplicated-email

[Refactor] 이메일 중복 API 수정

Author: chaeyuuu

src/main/java/com/blockguard/server/domain/auth/application/AuthService.java

@@ -62,9 +62,13 @@ public RegisterResponse register(RegisterRequest registerRequest) {
 
 
     public CheckEmailDuplicatedResponse checkEmailDuplicated(CheckEmailDuplicatedRequest checkEmailDuplicatedRequest) {
-        boolean isDuplicated = userRepository.findByEmail(checkEmailDuplicatedRequest.getEmail()).isPresent();
+        Optional<User> user = userRepository.findAnyByEmail(checkEmailDuplicatedRequest.getEmail());
+        boolean isDuplicated = user.isPresent();
+        boolean isDeleted = user.map(User::getDeletedAt).isPresent();
+
         return CheckEmailDuplicatedResponse.builder()
                 .isDuplicated(isDuplicated)
+                .isDeleted(isDeleted)
                 .build();
     }
 

src/main/java/com/blockguard/server/domain/user/dto/response/CheckEmailDuplicatedResponse.java

@@ -11,4 +11,5 @@
 @NoArgsConstructor
 public class CheckEmailDuplicatedResponse {
     private boolean isDuplicated;
+    private boolean isDeleted;
 }