Merge pull request #115 from Team-Shaka/feature/114

✨ Feat: 초대 관련 부가기능 구현

Author: koojun99

src/main/java/treehouse/server/api/invitation/business/InvitationService.java

@@ -71,18 +71,30 @@ public InvitationResponseDTO.myInvitationInfo getMyInvitationInfo(User user){
 
     @Transactional
     public InvitationResponseDTO.createInvitation createInvitation(User user, InvitationRequestDTO.createInvitation request){
+        // 남아있는 초대장이 있는지 확인
+        if (user.getInvitationCount() <= 0) {
+            throw new InvitationException(GlobalErrorCode.INVITATION_COUNT_ZERO);
+        }
+
         // 트리 찾기
         TreeHouse treehouse = treehouseQueryAdapter.getTreehouseById(request.getTreehouseId());
         // 초대 멤버 찾기
         Member sender = memberQueryAdapter.findByUserAndTreehouse(user, treehouse);
         // 초대 대상이 가입된 사람인지 찾기
-
         User receiverUser = userQueryAdapter.findByPhoneNumberOptional(request.getPhoneNumber()).orElse(null);
 
+        //동일한 초대장이 이미 존재하는지 확인하기
+        if (invitationQueryAdapter.existByPhoneAndTreehouse(request.getPhoneNumber(), treehouse)) {
+            throw new InvitationException(GlobalErrorCode.INVITATION_ALREADY_EXIST);
+        }
+
         // 초대장 만들어서 저장하기
 
         Invitation invitation = invitationCommandAdapter.saveInvitation(InvitationMapper.toInvitation(request.getPhoneNumber(), sender, receiverUser, treehouse));
 
+        // 초대자의 잔여 초대장 개수 차감
+        user.reduceInvitationCount();
+
         //알림 생성
         if (receiverUser != null) {
             NotificationRequestDTO.createNotification notificationRequest = new NotificationRequestDTO.createNotification();

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

@@ -7,6 +7,7 @@
 import treehouse.server.global.annotations.Adapter;
 import treehouse.server.global.entity.Invitation.Invitation;
 import treehouse.server.global.entity.User.User;
+import treehouse.server.global.entity.treeHouse.TreeHouse;
 import treehouse.server.global.exception.GlobalErrorCode;
 import treehouse.server.global.exception.ThrowClass.InvitationException;
 import treehouse.server.global.exception.ThrowClass.UserException;
@@ -32,4 +33,8 @@ public Invitation findById(Long invitationId) {
         return invitationRepository.findById(invitationId)
                 .orElseThrow(() -> new InvitationException(GlobalErrorCode.INVITATION_NOT_FOUND));
     }
+
+    public Boolean existByPhoneAndTreehouse(String phoneNumber, TreeHouse treehouse) {
+        return invitationRepository.existsByPhoneAndTreeHouse(phoneNumber, treehouse);
+    }
 }

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

@@ -15,4 +15,6 @@ public interface InvitationRepository extends JpaRepository<Invitation, Long> {
     Invitation findByPhoneAndTreeHouse(String phone, TreeHouse treeHouse);
 
     Boolean existsByPhone(String phoneNumber);
+
+    Boolean existsByPhoneAndTreeHouse(String phoneNumber, TreeHouse treehouse);
 }

src/main/java/treehouse/server/api/notification/business/NotificationService.java

@@ -49,8 +49,8 @@ public void createNotification(User user, Long treehouseId, NotificationRequestD
         User receiver = userQueryAdapter.findByIdOptional(request.getReceiverId()).orElse(null);
         Notification notification = NotificationMapper.toNotification(sender, receiver, request, reactionName);
 
-        if(receiver.getUser().isPushAgree()) {
-            fcmService.sendFcmMessage(receiver.getUser(), notification.getTitle(), notification.getBody());
+        if(receiver.isPushAgree()) {
+            fcmService.sendFcmMessage(receiver, notification.getTitle(), notification.getBody());
 
         }
         notificationCommandAdapter.createNotification(notification);

src/main/java/treehouse/server/global/entity/User/User.java

@@ -72,4 +72,7 @@ public boolean updatePushAgree(boolean pushAgree){
         return this.pushAgree;
     }
 
+    public void reduceInvitationCount() {
+        this.invitationCount--;
+    }
 }

src/main/java/treehouse/server/global/exception/GlobalErrorCode.java

@@ -53,9 +53,15 @@ public enum GlobalErrorCode implements BaseErrorCode{
     // TREEHOUSE + 404 Not Found - 찾을 수 없음
     TREEHOUSE_NOT_FOUND(NOT_FOUND, "TREEHOUSE404_1", "존재하지 않는 트리입니다."),
 
+    // INVITATION + 400 Bad Request - 잘못된 요청
+    INVITATION_COUNT_ZERO(BAD_REQUEST, "INVITATION400_1", "사용 가능한 초대장 개수가 0입니다."),
+
     // INVITATION + 404 Not Found - 찾을 수 없음
     INVITATION_NOT_FOUND(NOT_FOUND, "INVITATION404_1", "존재하지 않는 초대장입니다."),
 
+    // INVITATION + 409 CONFLICT : Resource 를 찾을 수 없음
+    INVITATION_ALREADY_EXIST(CONFLICT, "INVITATION409_1", "이미 존재하는 초대장입니다."),
+
     // POST + 401 Unauthorized - 권한 없음
     POST_UNAUTHORIZED(UNAUTHORIZED, "POST401_1", "게시글 수정 및 삭제 권한이 없습니다."),
 
@@ -101,7 +107,7 @@ public enum GlobalErrorCode implements BaseErrorCode{
 
     FCM_ALREADY_EXISTS_TOKEN(BAD_REQUEST, "FCM400_1", "이미 저장되어 있는 FCM 토큰입니다."),
     FCM_ACCESS_TOKEN_REQUEST_ERROR(INTERNAL_SERVER_ERROR, "FCM500_2", "서버 에러, FCM 서버에 AccessToken 요청할 때 에러 발생."),
-    FCM_SEND_MESSAGE_ERROR(INTERNAL_SERVER_ERROR    , "FCM500_3", "서버 에러, FCM 서버에 메시지를 전송할 때 에러 발생. FcmToken이 유효한지 확인해주세요.");
+    FCM_SEND_MESSAGE_ERROR(INTERNAL_SERVER_ERROR    , "FCM500_3", "서버 에러, FCM 서버에 메시지를 전송할 때 에러 발생. FcmToken이 유효한지 확인해주세요."), ;
 
     ;