[feat] 매칭 요청 거절 api V3 마이그레이션

src/main/java/at/mateball/domain/group/api/controller/GroupV3Controller.java

@@ -109,4 +109,17 @@ public ResponseEntity<MateballResponse<?>> permitRequest(
 
         return ResponseEntity.ok(MateballResponse.successWithNoData(SuccessCode.NO_CONTENT));
     }
+
+    @Operation(summary = "요청 거절 api")
+    @PatchMapping("/match-reject/{matchId}")
+    public ResponseEntity<MateballResponse<?>> rejectRequest(
+            @AuthenticationPrincipal CustomUserDetails customUserDetails,
+            @PathVariable Long matchId
+    ) {
+        Long userId = customUserDetails.getUserId();
+
+        groupV3Service.rejectRequest(userId, matchId);
+
+        return ResponseEntity.ok(MateballResponse.successWithNoData(SuccessCode.NO_CONTENT));
+    }
 }

src/main/java/at/mateball/domain/group/core/service/GroupV3Service.java

@@ -1,8 +1,6 @@
 package at.mateball.domain.group.core.service;
 
-import at.mateball.domain.alarm.core.service.AlarmService;
 import at.mateball.domain.chatting.api.dto.response.ChattingRes;
-import at.mateball.domain.gameinformation.core.repository.GameInformationRepository;
 import at.mateball.domain.group.api.dto.*;
 import at.mateball.domain.group.api.dto.base.GroupMatchBaseRes;
 import at.mateball.domain.group.core.GroupExecutorV3;
@@ -17,7 +15,6 @@
 import at.mateball.domain.group.infrastructure.repository.GroupV3RepositoryCustom;
 import at.mateball.domain.groupRequest.GroupRequestService;
 import at.mateball.domain.groupmember.GroupMemberStatus;
-import at.mateball.domain.groupmember.core.repository.GroupMemberRepository;
 import at.mateball.domain.matchrequirement.core.constant.StyleMatch;
 import at.mateball.domain.team.core.TeamNameMatch;
 import at.mateball.exception.BusinessException;
@@ -336,4 +333,8 @@ public void permitRequest(Long userId, Long groupId) {
         groupRequestService.permitRequest(userId, groupId);
     }
 
+    @Transactional
+    public void rejectRequest(Long userId, Long matchId) {
+        groupRequestService.rejectRequest(userId, matchId);
+    }
 }

src/main/java/at/mateball/domain/groupRequest/GroupRequestService.java

@@ -121,4 +121,17 @@ private boolean isGroupFull(GroupMatchSummaryRes summary) {
         long totalMatched = summary.matchedParticipants() + 1;
         return totalMatched == TOTAL_GROUP_MEMBER;
     }
+
+    public void rejectRequest(Long userId, Long matchId) {
+        getValidatedGroup(userId, matchId);
+
+        GroupMatchSummaryRes summary = groupMemberV3Service.getMatchSummary(matchId);
+        Long requesterId = Optional.ofNullable(summary.requesterId())
+                .orElseThrow(() -> new BusinessException(BusinessErrorCode.REQUESTER_NOT_FOUND));
+
+        groupMemberV3Service.updateLeaderStatusPending(userId, matchId);
+        groupMemberV3Service.updateMemberStatusFailed(requesterId, matchId);
+
+        alarmService.readAllAlarms(userId);
+    }
 }

src/main/java/at/mateball/domain/groupmember/core/service/GroupMemberV3Service.java

@@ -1,7 +1,10 @@
 package at.mateball.domain.groupmember.core.service;
 
 import at.mateball.domain.groupmember.GroupMemberStatus;
+import at.mateball.domain.groupmember.api.dto.GroupMatchSummaryRes;
 import at.mateball.domain.groupmember.core.repository.GroupMemberRepository;
+import at.mateball.exception.BusinessException;
+import at.mateball.exception.code.BusinessErrorCode;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -18,4 +21,13 @@ public void updateMemberStatusMatched(Long userId, Long groupId) {
     public void updateLeaderStatusPending(Long userId, Long groupId) {
         groupMemberRepository.updateMemberStatus(userId, groupId, GroupMemberStatus.PENDING_REQUEST.getValue());
     }
+
+    public void updateMemberStatusFailed(Long userId, Long groupId) {
+        groupMemberRepository.updateMemberStatus(userId, groupId, GroupMemberStatus.MATCH_FAILED.getValue());
+    }
+
+    public GroupMatchSummaryRes getMatchSummary(Long groupId) {
+        return groupMemberRepository.getMatchSummary(groupId)
+                .orElseThrow(() -> new BusinessException(BusinessErrorCode.REQUEST_NOT_FOUND));
+    }
 }