매칭 여부 반환 API 생성

src/main/java/com/example/silverbridgeX_user/global/api_payload/ErrorCode.java

@@ -37,6 +37,9 @@ public enum ErrorCode implements BaseCode {
     TID_NOT_EXIST(HttpStatus.BAD_REQUEST, "PAYMENT_4001", "tid가 존재하지 않습니다."),
     TID_SID_UNSUPPORTED(HttpStatus.BAD_REQUEST, "PAYMENT_4002", "지원되지 않는 tid, sid 입니다."),
     SID_NOT_EXIST(HttpStatus.BAD_REQUEST, "PAYMENT_4003", "sid가 존재하지 않습니다."),
+
+    // Match
+    MATCH_NOT_EXIST(HttpStatus.BAD_REQUEST, "MATCH_4001", "매치 신청 정보가 존재하지 않습니다."),
     ;
 
     private final HttpStatus httpStatus;

src/main/java/com/example/silverbridgeX_user/global/api_payload/SuccessCode.java

@@ -33,6 +33,7 @@ public enum SuccessCode implements BaseCode {
 
     // MatchRequest
     MATCH_REQUEST_SUCCESS(HttpStatus.OK, "MATCH_REQUEST_2001", "매치 신청이 완료되었습니다."),
+    MATCH_VIEW_REQUEST_RESULT_SUCCESS(HttpStatus.OK, "MATCH_REQUEST_2001", "매치 신청 결과 반환 완료되었습니다."),
 
     // Payment
     PAYMENT_URL_CREATE_SUCCESS(HttpStatus.OK, "PAYMENT_2001", "카카오페이 URL을 생성하였습니다."),

src/main/java/com/example/silverbridgeX_user/matching/controller/MatchingController.java

@@ -38,5 +38,14 @@ public ApiResponse<Boolean> matchRequest(
 
         return ApiResponse.onSuccess(SuccessCode.MATCH_REQUEST_SUCCESS, true);
     }
+    @PostMapping("/results")
+    public ApiResponse<Boolean> matchRequestResult(
+            @AuthenticationPrincipal CustomUserDetails customUserDetails
+    ) {
+        User user = userService.findByUserName(customUserDetails.getUsername());
 
+        boolean isNotMatched = matchingService.checkMatchRequest(user);
+
+        return ApiResponse.onSuccess(SuccessCode.MATCH_VIEW_REQUEST_RESULT_SUCCESS, !isNotMatched);
+    }
 }

src/main/java/com/example/silverbridgeX_user/matching/repository/MatchingRepository.java

@@ -7,9 +7,16 @@
 import org.springframework.data.repository.query.Param;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface MatchingRepository extends JpaRepository<MatchRequest, Long> {
 
     @Query("SELECT m FROM MatchRequest m JOIN FETCH m.user WHERE m.status = :status ORDER BY m.createdAt ASC")
     List<MatchRequest> findAllWithUserByStatus(@Param("status") MatchStatus status);
+
+    boolean existsByUser_IdAndStatus(Long userId, MatchStatus status);
+
+    boolean existsByUser_Id(Long userId);
+
+    Optional<MatchRequest> findByUser_Id(Long userId);
 }

src/main/java/com/example/silverbridgeX_user/matching/service/MatchingService.java

@@ -1,5 +1,7 @@
 package com.example.silverbridgeX_user.matching.service;
 
+import com.example.silverbridgeX_user.global.api_payload.ErrorCode;
+import com.example.silverbridgeX_user.global.exception.GeneralException;
 import com.example.silverbridgeX_user.matching.algorithm.AdjacencyGraphBuilder;
 import com.example.silverbridgeX_user.matching.algorithm.Matcher;
 import com.example.silverbridgeX_user.matching.converter.MatchingConverter;
@@ -29,15 +31,27 @@ public class MatchingService {
     private String chatServerUrl;
 
     private final MatchingRepository matchingRepository;
-    private final UserRepository userRepository;
 
     @Transactional
     public void saveMatchRequest(User user) {
-        MatchRequest matchRequest = MatchingConverter.toMatchRequest(user);
+        MatchRequest matchRequest;
+
+        if (matchingRepository.existsByUser_Id(user.getId())) {
+            matchRequest = matchingRepository.findByUser_Id(user.getId()).orElseThrow(() -> new GeneralException(ErrorCode.MATCH_NOT_EXIST));
+            matchRequest.updateStatus(MatchStatus.WAITING);
+        }
+        else {
+            matchRequest = MatchingConverter.toMatchRequest(user);
+        }
 
         matchingRepository.save(matchRequest);
     }
 
+    @Transactional
+    public boolean checkMatchRequest(User user) {
+
+        return matchingRepository.existsByUser_IdAndStatus(user.getId(), MatchStatus.WAITING);
+    }
 
     @Transactional
     public void executeMatchingAlgorithm() {