Merge pull request #82 from Konkuk-KUIT/81-collection-fix

fix: newsletter -> usernewsletter

Author: junyongleee

src/main/java/com/archiveat/server/domain/collection/dto/response/NewsletterDto.java

@@ -1,12 +1,13 @@
 package com.archiveat.server.domain.collection.dto.response;
 
 public record NewsletterDto(
-                Long newsletterId,
-                String domainName,
-                String title,
-                String thumbnailUrl,
-                Integer consumptionTimeMin,
-                String memo,
-                Boolean isRead,
-                String createdAt) {
+        Long userNewsletterId,
+        Long newsletterId,
+        String domainName,
+        String title,
+        String thumbnailUrl,
+        Integer consumptionTimeMin,
+        String memo,
+        Boolean isRead,
+        String createdAt) {
 }

src/main/java/com/archiveat/server/domain/collection/service/CollectionService.java

@@ -80,6 +80,7 @@ public CollectionDetailResponse getCollectionDetail(Long userId, Long collection
                                         UserNewsletter userNewsletter = userNewsletterMap.get(newsletter.getId());
 
                                         return new NewsletterDto(
+                                                        userNewsletter != null ? userNewsletter.getId() : null,
                                                         newsletter.getId(),
                                                         newsletter.getDomain().getName(),
                                                         newsletter.getTitle(),