Feat: 전화번호를 이용한 유저 상태 확인 API

src/main/java/treehouse/server/api/invitation/implement/InvitationQueryAdapter.java

@@ -23,4 +23,7 @@ public List<Invitation> findAllByPhone(String phone) {
         return invitationRepository.findAllByPhone(phone);
     }
 
+    public Boolean existByPhoneNumber(String phoneNumber) {
+        return invitationRepository.existsByPhone(phoneNumber);
+    }
 }

src/main/java/treehouse/server/api/invitation/persistence/InvitationRepository.java

@@ -13,4 +13,6 @@ public interface InvitationRepository extends JpaRepository<Invitation, Long> {
     List<Invitation> findAllByPhone(String phone);
 
     Invitation findByPhoneAndTreeHouse(String phone, TreeHouse treeHouse);
+
+    Boolean existsByPhone(String phoneNumber);
 }

src/main/java/treehouse/server/api/user/business/UserMapper.java

@@ -53,4 +53,11 @@ public static UserResponseDTO.reissue toReissue(String accessToken, String refre
                 .refreshToken(refreshToken)
                 .build();
     }
+
+    public static UserResponseDTO.checkUserStatus toCheckUserStatus(Boolean isNewUser, Boolean isInvited){
+        return UserResponseDTO.checkUserStatus.builder()
+                .isNewUser(isNewUser)
+                .isInvited(isInvited)
+                .build();
+    }
 }

src/main/java/treehouse/server/api/user/business/UserService.java

@@ -4,6 +4,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import treehouse.server.api.invitation.implement.InvitationQueryAdapter;
 import treehouse.server.api.user.implement.UserCommandAdapter;
 import treehouse.server.api.user.implement.UserQueryAdapter;
 import treehouse.server.api.user.presentation.dto.UserRequestDTO;
@@ -30,6 +31,8 @@ public class UserService {
 
     private final RedisService redisService;
 
+    private final InvitationQueryAdapter invitationQueryAdapter;
+
     @Transactional(readOnly = true)
     public UserResponseDTO.checkName checkName(UserRequestDTO.checkName request){
         return UserMapper.toCheckNameDTO(userQueryAdapter.checkName(request));
@@ -69,4 +72,11 @@ public UserResponseDTO.reissue reissue(UserRequestDTO.reissue request){
     }
 
 
+    public UserResponseDTO.checkUserStatus checkUserStatus(UserRequestDTO.checkUserStatus request) {
+
+        Boolean isNewUser = !userQueryAdapter.existByPhoneNumber(request.getPhoneNumber());
+        Boolean isInvited = invitationQueryAdapter.existByPhoneNumber(request.getPhoneNumber());
+
+        return UserMapper.toCheckUserStatus(isNewUser, isInvited);
+    }
 }

src/main/java/treehouse/server/api/user/implement/UserQueryAdapter.java

@@ -37,4 +37,8 @@ public User findById(Long id){
     public Optional<User> optionalUserFindById(Long id){
         return userRepository.findById(id);
     }
+
+    public Boolean existByPhoneNumber(String phoneNumber) {
+        return userRepository.existsByPhone(phoneNumber);
+    }
 }

src/main/java/treehouse/server/api/user/presentation/UserApi.java

@@ -55,4 +55,12 @@ public CommonResponse<UserResponseDTO.registerUser> loginTemp(
     ){
         return CommonResponse.onSuccess((userService.login(request)));
     }
+
+    @PostMapping("/phone")
+    @Operation(summary = "휴대폰으로 상태 확인", description = "휴대폰 번호로 유저의 상태(신규 유저인지, 초대를 하나라도 받았는지)를 조회합니다.")
+    public CommonResponse<UserResponseDTO.checkUserStatus> checkPhoneAuth(
+            @RequestBody final UserRequestDTO.checkUserStatus request
+    ){
+        return CommonResponse.onSuccess(userService.checkUserStatus(request));
+    }
 }

src/main/java/treehouse/server/api/user/presentation/dto/UserRequestDTO.java

@@ -59,4 +59,9 @@ public String toString() {
         private String phoneNum;
         private Integer authNum;
     }
+
+    @Getter
+    public static class checkUserStatus {
+        private String phoneNumber;
+    }
 }

src/main/java/treehouse/server/api/user/presentation/dto/UserResponseDTO.java

@@ -47,4 +47,14 @@ public static class checkPhoneAuth{
     public static class checkSentSms{
         boolean messageSent;
     }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class checkUserStatus{
+
+        Boolean isNewUser;
+        Boolean isInvited;
+    }
 }