fix(article): use id instead of created_at for order_by

apps/core/migrations/0057_alter_article_name_type_and_more.py

@@ -23,8 +23,7 @@ class Migration(migrations.Migration):
         migrations.AddIndex(
             model_name="article",
             index=models.Index(
-                fields=["created_at", "parent_board_id"],
-                name="created_at_parent_board_id_idx",
+                fields=["id", "parent_board_id"], name="id_parent_board_id_idx"
             ),
         ),
     ]

apps/core/models/article.py

@@ -160,8 +160,8 @@ class Meta(MetaDataModel.Meta):
 
         indexes = [
             models.Index(
-                fields=["created_at", "parent_board_id"],
-                name="created_at_parent_board_id_idx",
+                fields=["id", "parent_board_id"],
+                name="id_parent_board_id_idx",
             )
         ]
 

apps/core/views/viewsets/article.py

@@ -45,7 +45,8 @@ class ArticleViewSet(viewsets.ModelViewSet, ActionAPIViewSet):
     queryset = Article.objects.all()
 
     filterset_class = ArticleFilter
-    ordering_fields = ["created_at", "positive_vote_count"]
+    ordering_fields = ["id", "positive_vote_count"]
+    ordering = ["id"]
 
     serializer_class = ArticleSerializer
     action_serializer_class = {

tests/test_communication_article.py

@@ -271,7 +271,7 @@ def test_descending_ordering_by_positive_vote_count(self):
             self.user,
             "get",
             "articles",
-            querystring="ordering=-positive_vote_count,-created_at",
+            querystring="ordering=-positive_vote_count,-id",
         )
         assert res.status_code == HTTP_200_OK
 
@@ -283,14 +283,11 @@ def test_descending_ordering_by_positive_vote_count(self):
 
         # 좋아요 개수 같은 경우 최신 글이 앞에 있는지 확인
         res_vote_cnt_eq = [
-            el.get("created_at")
-            for el in res_result
-            if el.get("positive_vote_count") == 2
+            el.get("id") for el in res_result if el.get("positive_vote_count") == 2
         ]
         assert res_vote_cnt_eq == sorted(
             res_vote_cnt_eq,
             reverse=True,
-            key=lambda date_str: datetime.fromisoformat(date_str),
         )
 
     # 좋아요 개수 오름차순 정렬 확인
@@ -305,7 +302,7 @@ def test_ascending_ordering_by_positive_vote_count(self):
             self.user,
             "get",
             "articles",
-            querystring="ordering=positive_vote_count,-created_at",
+            querystring="ordering=positive_vote_count,-id",
         )
         assert res.status_code == HTTP_200_OK
 
@@ -318,14 +315,11 @@ def test_ascending_ordering_by_positive_vote_count(self):
 
         # 좋아요 개수 같은 경우 최신 글이 앞에 있는지 확인
         res_vote_cnt_eq = [
-            el.get("created_at")
-            for el in res_result
-            if el.get("positive_vote_count") == 2
+            el.get("id") for el in res_result if el.get("positive_vote_count") == 2
         ]
         assert res_vote_cnt_eq == sorted(
             res_vote_cnt_eq,
             reverse=True,
-            key=lambda date_str: datetime.fromisoformat(date_str),
         )
 
     # 답변 진행 상황 필터링 확인