Feat : 파티 생성시 이미지 없을 경우 디폴트 이미지 반환하도록 수정 (#101)

Author: milowon

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

@@ -22,6 +22,7 @@
 import ita.tinybite.global.location.LocationService;
 import ita.tinybite.global.util.DistanceCalculator;
 import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -35,6 +36,12 @@
 @RequiredArgsConstructor
 @Transactional(readOnly = true)
 public class PartyService {
+    @Value("${default.image.delivery}")
+    private String defaultDeliveryImage;
+    @Value("${default.image.grocery}")
+    private String defaultGroceryImage;
+    @Value("${default.image.household}")
+    private String defaultHouseholdImage;
     private final PartyRepository partyRepository;
     private final UserRepository userRepository;
     private final LocationService locationService;
@@ -657,7 +664,12 @@ private String getThumbnailIfPresent(List<String> images, PartyCategory category
         if (images != null && !images.isEmpty()) {
             return images.get(0);
         }
-        return null;
+        return switch (category) {
+            case DELIVERY -> defaultDeliveryImage;
+            case GROCERY -> defaultGroceryImage;
+            case HOUSEHOLD -> defaultHouseholdImage;
+            default -> throw new IllegalArgumentException("존재하지 않는 카테고리입니다: " + category);
+        };
     }
 
     private String getLinkIfValid(String link, PartyCategory category) {

src/main/resources/application.yaml

@@ -39,3 +39,9 @@ fcm:
   url: https://fcm.googleapis.com/v1/projects/${FCM_PROJECT_ID}/messages:send
   google_api: https://www.googleapis.com/auth/cloud-platform
   project_id: ${FCM_PROJECT_ID}
+
+default:
+  image:
+    delivery: ${DEFAULT_IMAGE_DELIVERY}
+    grocery: ${DEFAULT_IMAGE_GROCERY}
+    household: ${DEFAULT_IMAGE_HOUSEHOLD}