全局的announcement api

announcement/views/oj.py

@@ -0,0 +1,10 @@
+from utils.api import APIView
+
+from announcement.models import Announcement
+from announcement.serializers import AnnouncementSerializer
+
+
+class AnnouncementAPI(APIView):
+    def get(self, request):
+        announcements = Announcement.objects.filter(visible=True)
+        return self.success(self.paginate_data(request, announcements, AnnouncementSerializer))