Merge pull request #299 from SWM16-ASAP/develop

Release: v3.1.1

Author: SolfE

build.gradle

@@ -10,7 +10,7 @@ springBoot {
 }
 
 group = 'com.linglevel'
-version = '3.1.0-SNAPSHOT'
+version = '3.1.1-SNAPSHOT'
 
 java {
 	toolchain {

src/main/java/com/linglevel/api/content/common/ContentCategory.java

@@ -8,6 +8,7 @@ public enum ContentCategory {
     SCIENCE("Science"),
     TECH("Technology"),
     BUSINESS("Business"),
+    EDU("Education"),
     CULTURE("Culture");
 
     private final String displayName;

src/main/java/com/linglevel/api/content/feed/service/FeedService.java

@@ -80,12 +80,12 @@ private List<Feed> sortFeeds(List<Feed> feeds, GetFeedsRequest.SortOrder sortOrd
 
             case LATEST:
             default:
-                // 최신순: createdAt 내림차순
+                // 최신순: publishedAt 내림차순
                 return feeds.stream()
                         .sorted((f1, f2) -> {
-                            if (f1.getCreatedAt() == null) return 1;
-                            if (f2.getCreatedAt() == null) return -1;
-                            return f2.getCreatedAt().compareTo(f1.getCreatedAt());
+                            if (f1.getPublishedAt() == null) return 1;
+                            if (f2.getPublishedAt() == null) return -1;
+                            return f2.getPublishedAt().compareTo(f1.getPublishedAt());
                         })
                         .collect(java.util.stream.Collectors.toList());
         }