feat: 파티 참여, 거절, 종료 알림 연결

src/main/java/ita/tinybite/domain/notification/service/PartyNotificationService.java

@@ -26,62 +26,59 @@ public class PartyNotificationService {
 	private final NotificationLogService notificationLogService;
 	private final NotificationTransactionHelper notificationTransactionHelper;
 
+	//
 	@Transactional
-	public void sendApprovalNotification(Long targetUserId, Long partyId) {
-		String title = "🎉 파티 참여 승인";
-		String detail = "파티 참여가 승인되었습니다! 지금 확인하세요.";
-		notificationLogService.saveLog(targetUserId, NotificationType.PARTY_APPROVAL.name(), title, detail);
+	public void sendNewPartyRequestNotification(Long managerId, String requesterNickname, String partyTitle, Long partyId) {
+		String title = String.format("🍽️ [%s]님이 참여 요청했어요", requesterNickname);
+		String detail = String.format("‘[%s]’ 파티 승인 여부를 확인해 주세요", partyTitle);
 
-		List<String> tokens = fcmTokenService.getTokensAndLogIfEmpty(targetUserId);
+		notificationLogService.saveLog(managerId, NotificationType.PARTY_NEW_REQUEST.name(), title, detail);
+
+		List<String> tokens = fcmTokenService.getTokensAndLogIfEmpty(managerId);
 		if (tokens.isEmpty()) {
 			return;
 		}
+
 		NotificationMulticastRequest request =
-			partyMessageManager.createApprovalRequest(tokens, partyId, title, detail);
+			partyMessageManager.createNewPartyRequest(tokens, partyId, title, detail);
 
 		BatchResponse response = fcmNotificationSender.send(request);
 		notificationTransactionHelper.handleBatchResponse(response, tokens);
 	}
 
+	//
 	@Transactional
-	public void sendRejectionNotification(Long targetUserId, Long partyId) {
-		String title = "🚨 파티 참여 거절";
-		String detail = "죄송합니다. 파티 참여가 거절되었습니다.";
-		notificationLogService.saveLog(targetUserId, NotificationType.PARTY_REJECTION.name(), title, detail);
+	public void sendApprovalNotification(Long targetUserId, String partyTitle, Long partyId) {
+		// 참여 승인 (파티원에게 전송)
+		String title = String.format("🍽️ ‘[%s]’ 파티 승인 완료!", partyTitle);
+		String detail = "파티 채팅방에 입장했어요";
+
+		notificationLogService.saveLog(targetUserId, NotificationType.PARTY_APPROVAL.name(), title, detail);
 
 		List<String> tokens = fcmTokenService.getTokensAndLogIfEmpty(targetUserId);
-		if (tokens.isEmpty()) {
-			return;
-		}
+		if (tokens.isEmpty()) return;
+
 		NotificationMulticastRequest request =
-			partyMessageManager.createRejectionRequest(tokens, partyId, title, detail);
+			partyMessageManager.createApprovalRequest(tokens, partyId, title, detail);
 
 		BatchResponse response = fcmNotificationSender.send(request);
 		notificationTransactionHelper.handleBatchResponse(response, tokens);
 	}
 
-	/**
-	 * 아래 메서드들 파티장,파티멤버의 알림 내용 다른지에 따라 추후 수정 필요
-	 */
-
+	//
 	@Transactional
-	public void sendAutoCloseNotification(List<Long> memberIds, Long partyId, Long managerId) {
-		String title = "🎉 파티 자동 마감";
-		String memberDetail = "참여 인원이 모두 차서 파티가 마감되었습니다.";
-		String managerDetail = "축하합니다! 목표 인원 달성으로 파티가 자동 마감되었습니다.";
+	public void sendRejectionNotification(Long targetUserId, String partyTitle, Long partyId) {
+		// 참여 거절 (파티원에게 전송)
+		String title = String.format("🍽️ ‘[%s]’ 😢 참여 거절", partyTitle);
+		String detail = "아쉽게도 이번 파티는 함께하지 못해요";
 
-		memberIds.forEach(userId -> {
-			String detail = userId.equals(managerId) ? managerDetail : memberDetail;
-			notificationLogService.saveLog(userId, NotificationType.PARTY_AUTO_CLOSE.name(), title, detail);
-		});
+		notificationLogService.saveLog(targetUserId, NotificationType.PARTY_REJECTION.name(), title, detail);
 
-		List<String> tokens = fcmTokenService.getMulticastTokensAndLogIfEmpty(memberIds);
-		if (tokens.isEmpty()) {
-			return;
-		}
+		List<String> tokens = fcmTokenService.getTokensAndLogIfEmpty(targetUserId);
+		if (tokens.isEmpty()) return;
 
 		NotificationMulticastRequest request =
-			partyMessageManager.createAutoCloseRequest(tokens, partyId, title, memberDetail);
+			partyMessageManager.createRejectionRequest(tokens, partyId, title, detail);
 
 		BatchResponse response = fcmNotificationSender.send(request);
 		notificationTransactionHelper.handleBatchResponse(response, tokens);
@@ -147,46 +144,46 @@ public void sendDeliveryReminderNotification(List<Long> memberIds, Long partyId,
 		}
 	}
 
+	//
 	@Transactional
-	public void sendPartyCompleteNotification(List<Long> memberIds, Long partyId) {
-		String title = "👋 파티 종료";
-		String detail = "파티장이 수령 완료 처리했습니다. 파티가 종료되었습니다.";
-		memberIds.forEach(userId ->
-			notificationLogService.saveLog(userId, NotificationType.PARTY_COMPLETE.name(), title, detail)
-		);
+	public void sendAutoCloseNotification(List<Long> memberIds, String partyTitle, Long partyId, Long managerId) {
+		String title = String.format("🎯 [%s] 인원 모집 완료 !", partyTitle);
+		String detail = "파티가 시작 되었어요";
+
+		memberIds.forEach(userId -> {
+			notificationLogService.saveLog(userId, NotificationType.PARTY_AUTO_CLOSE.name(), title, detail);
+		});
 
 		List<String> tokens = fcmTokenService.getMulticastTokensAndLogIfEmpty(memberIds);
-		if (tokens.isEmpty()) {
-			return;
-		}
+		if (tokens.isEmpty()) return;
 
 		NotificationMulticastRequest request =
-			partyMessageManager.createPartyCompleteRequest(tokens, partyId, title, detail);
+			partyMessageManager.createAutoCloseRequest(tokens, partyId, title, detail);
 
 		BatchResponse response = fcmNotificationSender.send(request);
 		notificationTransactionHelper.handleBatchResponse(response, tokens);
 	}
 
+	//
 	@Transactional
-	public void sendNewPartyRequestNotification(Long managerId, Long partyId) {
-		String title = "🔔 새 참여 요청";
-		String detail = "새로운 참여 요청이 도착했습니다. 지금 승인해 주세요.";
+	public void sendPartyCompleteNotification(List<Long> memberIds, String partyTitle, Long partyId) {
+		String title = String.format("✅ [%s] 파티 종료", partyTitle);
+		String detail = "참여해 주셔서 감사합니다";
 
-		notificationLogService.saveLog(managerId, NotificationType.PARTY_NEW_REQUEST.name(), title, detail);
+		memberIds.forEach(userId ->
+			notificationLogService.saveLog(userId, NotificationType.PARTY_COMPLETE.name(), title, detail)
+		);
 
-		List<String> tokens = fcmTokenService.getTokensAndLogIfEmpty(managerId);
-		if (tokens.isEmpty()) {
-			return;
-		}
+		List<String> tokens = fcmTokenService.getMulticastTokensAndLogIfEmpty(memberIds);
+		if (tokens.isEmpty()) return;
 
 		NotificationMulticastRequest request =
-			partyMessageManager.createNewPartyRequest(tokens, partyId, title, detail);
+			partyMessageManager.createPartyCompleteRequest(tokens, partyId, title, detail);
 
 		BatchResponse response = fcmNotificationSender.send(request);
 		notificationTransactionHelper.handleBatchResponse(response, tokens);
 	}
 
-
 	@Transactional
 	public void sendMemberLeaveNotification(Long managerId, Long partyId, String leaverName) {
 		String title = "⚠️ 파티원 이탈";

src/main/java/ita/tinybite/domain/notification/service/facade/NotificationFacade.java

@@ -7,6 +7,13 @@
 
 import ita.tinybite.domain.notification.service.ChatNotificationService;
 import ita.tinybite.domain.notification.service.PartyNotificationService;
+import ita.tinybite.domain.party.entity.Party;
+import ita.tinybite.domain.party.repository.PartyRepository;
+import ita.tinybite.domain.user.entity.User;
+import ita.tinybite.domain.user.repository.UserRepository;
+import ita.tinybite.global.exception.BusinessException;
+import ita.tinybite.global.exception.errorcode.PartyErrorCode;
+import ita.tinybite.global.exception.errorcode.UserErrorCode;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
@@ -22,39 +29,65 @@ public class NotificationFacade {
 	private final PartyNotificationService partyNotificationService;
 	private final ChatNotificationService chatNotificationService;
 
+	private final PartyRepository partyRepository;
+	private final UserRepository userRepository;
+
+	@Transactional
+	public void notifyNewPartyRequest(Long managerId, Long requesterId, Long partyId) {
+		Party party = partyRepository.findById(partyId)
+			.orElseThrow(() -> new BusinessException(PartyErrorCode.PARTY_NOT_FOUND));
+
+		User requester = userRepository.findById(requesterId)
+			.orElseThrow(() -> new BusinessException(UserErrorCode.USER_NOT_EXISTS));
+
+		partyNotificationService.sendNewPartyRequestNotification(
+			managerId,
+			requester.getNickname(),
+			party.getTitle(),
+			partyId
+		);
+	}
+
 	@Transactional
 	public void notifyApproval(Long targetUserId, Long partyId) {
-		partyNotificationService.sendApprovalNotification(targetUserId, partyId);
+		Party party = partyRepository.findById(partyId)
+			.orElseThrow(() -> new BusinessException(PartyErrorCode.PARTY_NOT_FOUND));
+		partyNotificationService.sendApprovalNotification(targetUserId, party.getTitle(), partyId);
 	}
 
 	@Transactional
 	public void notifyRejection(Long targetUserId, Long partyId) {
-		partyNotificationService.sendRejectionNotification(targetUserId, partyId);
+		Party party = partyRepository.findById(partyId)
+			.orElseThrow(() -> new BusinessException(PartyErrorCode.PARTY_NOT_FOUND));
+		partyNotificationService.sendRejectionNotification(targetUserId, party.getTitle(), partyId);
 	}
 
+	// 인원 모집 완료
 	@Transactional
 	public void notifyPartyAutoClose(List<Long> memberIds, Long partyId, Long managerId) {
-		partyNotificationService.sendAutoCloseNotification(memberIds, partyId, managerId);
-	}
+		Party party = partyRepository.findById(partyId)
+			.orElseThrow(() -> new BusinessException(PartyErrorCode.PARTY_NOT_FOUND));
 
-	@Transactional
-	public void notifyOrderComplete(List<Long> memberIds, Long partyId) {
-		partyNotificationService.sendOrderCompleteNotification(memberIds, partyId);
+		partyNotificationService.sendAutoCloseNotification(memberIds, party.getTitle(), partyId, managerId);
 	}
 
+	// 파티 종료
 	@Transactional
-	public void notifyDeliveryReminder(List<Long> memberIds, Long partyId, Long managerId) {
-		partyNotificationService.sendDeliveryReminderNotification(memberIds, partyId, managerId);
+	public void notifyPartyComplete(List<Long> memberIds, Long partyId) {
+		Party party = partyRepository.findById(partyId)
+			.orElseThrow(() -> new BusinessException(PartyErrorCode.PARTY_NOT_FOUND));
+
+		partyNotificationService.sendPartyCompleteNotification(memberIds, party.getTitle(), partyId);
 	}
 
 	@Transactional
-	public void notifyPartyComplete(List<Long> memberIds, Long partyId) {
-		partyNotificationService.sendPartyCompleteNotification(memberIds, partyId);
+	public void notifyOrderComplete(List<Long> memberIds, Long partyId) {
+		partyNotificationService.sendOrderCompleteNotification(memberIds, partyId);
 	}
 
 	@Transactional
-	public void notifyNewPartyRequest(Long managerId, Long partyId) {
-		partyNotificationService.sendNewPartyRequestNotification(managerId, partyId);
+	public void notifyDeliveryReminder(List<Long> memberIds, Long partyId, Long managerId) {
+		partyNotificationService.sendDeliveryReminderNotification(memberIds, partyId, managerId);
 	}
 
 	@Transactional

src/main/java/ita/tinybite/domain/party/repository/PartyParticipantRepository.java

@@ -80,4 +80,6 @@ List<PartyParticipant> findActivePartiesByUserIdExcludingHost(
     );
 
     int countByPartyIdAndStatusAndUser_UserIdNot(Long partyId, ParticipantStatus participantStatus, Long userId);
+
+    List<PartyParticipant> findAllByPartyAndStatus(Party party, ParticipantStatus status);
 }

src/main/java/ita/tinybite/domain/party/service/PartyService.java

@@ -3,6 +3,7 @@
 import ita.tinybite.domain.chat.entity.ChatRoom;
 import ita.tinybite.domain.chat.enums.ChatRoomType;
 import ita.tinybite.domain.chat.repository.ChatRoomRepository;
+import ita.tinybite.domain.notification.service.facade.NotificationFacade;
 import ita.tinybite.domain.party.dto.request.PartyCreateRequest;
 import ita.tinybite.domain.party.dto.request.PartyListRequest;
 import ita.tinybite.domain.party.dto.request.PartyUpdateRequest;
@@ -40,6 +41,7 @@ public class PartyService {
     private final PartyParticipantRepository partyParticipantRepository;
     private final ChatRoomRepository chatRoomRepository;
     private final PartyParticipantRepository participantRepository;
+    private final NotificationFacade notificationFacade;
 
     /**
      * 파티 생성
@@ -218,6 +220,12 @@ public Long joinParty(Long partyId, Long userId) {
 
         PartyParticipant saved = partyParticipantRepository.save(participant);
 
+        notificationFacade.notifyNewPartyRequest(
+            party.getHost().getUserId(), // 파티장 ID
+            userId,                      // 신청자 ID
+            partyId
+        );
+
         return saved.getId();
     }
 
@@ -428,6 +436,12 @@ public void approveParticipant(Long partyId, Long participantId, Long hostId) {
         // 단체 채팅방에 참여자 추가
         groupChatRoom.addMember(participant.getUser());
 
+        // 승인 알림
+        notificationFacade.notifyApproval(
+            participant.getUser().getUserId(),
+            partyId
+        );
+
         // 목표 인원 달성 확인
         checkAndCloseIfFull(party);
     }
@@ -455,6 +469,10 @@ public void rejectParticipant(Long partyId, Long participantId, Long hostId) {
             participant.getOneToOneChatRoom().deactivate();
         }
 
+        notificationFacade.notifyRejection(
+            participant.getUser().getUserId(),
+            partyId
+        );
     }
 
     /**
@@ -546,6 +564,15 @@ public void settleParty(Long partyId, Long hostId) {
 
         // 파티 마감
         party.close();
+
+        // 알림 대상
+        List<Long> memberIds = partyParticipantRepository.findAllByPartyAndStatus(party, ParticipantStatus.APPROVED)
+            .stream()
+            .map(p -> p.getUser().getUserId())
+            .toList();
+
+        // 파티 종료 알림
+        notificationFacade.notifyPartyComplete(memberIds, party.getId());
     }
 
     // ========== Private Methods ==========
@@ -614,6 +641,7 @@ private void validateGroupChatRoomAccess(Party party, Long userId) {
         }
     }
 
+    // ??
     private void checkAndCloseIfFull(Party party) {
         if (party.getCurrentParticipants() >= party.getMaxParticipants()) {
             party.close();

src/main/java/ita/tinybite/global/exception/errorcode/PartyErrorCode.java

@@ -0,0 +1,21 @@
+package ita.tinybite.global.exception.errorcode;
+
+import org.springframework.http.HttpStatus;
+
+import lombok.Getter;
+
+@Getter
+public enum PartyErrorCode implements ErrorCode {
+	PARTY_NOT_FOUND(HttpStatus.NOT_FOUND, "PARTY_NOT_FOUND", "파티를 찾을 수 없습니다.");
+
+	private final HttpStatus httpStatus;
+	private final String code;
+	private final String message;
+
+	PartyErrorCode(HttpStatus httpStatus, String code, String message) {
+		this.httpStatus = httpStatus;
+		this.code = code;
+		this.message = message;
+	}
+}
+