大量优化修改扣积分规则

core/backend/apps/ai/views.py

@@ -1248,6 +1248,7 @@ class FreeVideoUploadView(APIView):
 class ModelConfigViewSet(ReadOnlyModelViewSet):
     # 按创建序固定排序:最早创建的 active 模型排第一 = 前端选择器默认项,与 get_default_model 口径一致。
     # DeepSeek 已停用,下拉里不再出现。
+    # 列表短且高频(创作页下拉),整页结果缓存;后台改模型走 invalidate_model_catalog_cache。
     queryset = (
         ModelConfig.objects.select_related("provider")
         .filter(status=ModelConfig.Status.ACTIVE)
@@ -1259,6 +1260,30 @@ class ModelConfigViewSet(ReadOnlyModelViewSet):
     search_fields = ["name", "display_name", "capability"]
     ordering_fields = ["created_at", "display_name"]
 
+    def list(self, request, *args, **kwargs):
+        from django.core.cache import cache
+
+        from apps.ai.model_catalog import MODEL_CATALOG_CACHE_KEY, MODEL_CATALOG_CACHE_TTL
+
+        # 缓存「无 search/ordering/capability、首页」目录。page_size=200 是创作页常规用法。
+        qp = request.query_params
+        page = str(qp.get("page") or "1")
+        page_size = str(qp.get("page_size") or "")
+        is_plain = (
+            not any(qp.get(k) for k in ("search", "ordering", "capability"))
+            and page in {"1", ""}
+            and page_size in {"", "200"}
+        )
+        cache_key = MODEL_CATALOG_CACHE_KEY if page_size in {"", "200"} else f"{MODEL_CATALOG_CACHE_KEY}:{page_size}"
+        if is_plain:
+            cached = cache.get(cache_key)
+            if cached is not None:
+                return Response(cached)
+        response = super().list(request, *args, **kwargs)
+        if is_plain and response.status_code == 200:
+            cache.set(cache_key, response.data, MODEL_CATALOG_CACHE_TTL)
+        return response
+
 
 
 class CreationConversationViewSet(TeamScopedViewSetMixin, ModelViewSet):