feat: 여행 참여자 최대 인원 검증 로직 추가 (#94)

Team-Going · Jan 16, 2024 · 297bf5b · 297bf5b
1 parent d9b4c5c
commit 297bf5b
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/doorip-api/src/main/java/org/doorip/trip/service/TripService.java b/doorip-api/src/main/java/org/doorip/trip/service/TripService.java
@@ -43,7 +43,6 @@ public TripCreateResponse createTripAndParticipant(Long userId, TripCreateReques
         Trip trip = createTrip(request, code);
         createParticipant(request, findUser, trip);
         tripRepository.save(trip);
-
         return TripCreateResponse.of(trip);
     }
 
@@ -53,7 +52,6 @@ public TripEntryResponse entryTrip(Long userId, Long tripId, TripEntryRequest re
         Trip findTrip = getTrip(tripId);
         validateDuplicateParticipant(findUser, findTrip);
         createAndSaveParticipant(request, findUser, findTrip);
-
         return TripEntryResponse.of(findTrip);
     }
 
@@ -65,9 +63,17 @@ public TripGetResponse getTrips(Long userId, String progress) {
 
     public TripResponse verifyCode(TripVerifyRequest request) {
         Trip trip = getTrip(request.code());
+        List<Participant> participants = trip.getParticipants();
+        validateParticipantCount(participants);
         return TripResponse.of(trip);
     }
 
+    private void validateParticipantCount(List<Participant> participants) {
+        if (participants.size() == Constants.MAX_PARTICIPANT_COUNT) {
+            throw new InvalidValueException(ErrorMessage.INVALID_PARTICIPANT_COUNT);
+        }
+    }
+
     private void validateDate(LocalDate startDate, LocalDate endDate) {
         if (endDate.isBefore(LocalDate.now()) || endDate.isBefore(startDate)) {
             throw new InvalidValueException(ErrorMessage.INVALID_DATE_TYPE);
@@ -80,7 +86,6 @@ private String createCode() {
             String uuid = UUID.randomUUID().toString();
             code = uuid.substring(0, 6);
         } while (isDuplicateCode(code));
-
         return code;
     }