完善contest权限控制

contest/urls/oj.py

@@ -1,10 +1,12 @@
 from django.conf.urls import url
 
-from ..views.oj import ContestAnnouncementListAPI, ContestAPI
+from ..views.oj import ContestAnnouncementListAPI
 from ..views.oj import ContestPasswordVerifyAPI, ContestAccessAPI
+from ..views.oj import ContestListAPI, ContestAPI
 from ..views.oj import ContestRankAPI
 
 urlpatterns = [
+    url(r"^contests/?$", ContestListAPI.as_view(), name="contest_list_api"),
     url(r"^contest/?$", ContestAPI.as_view(), name="contest_api"),
     url(r"^contest/password/?$", ContestPasswordVerifyAPI.as_view(), name="contest_password_api"),
     url(r"^contest/announcement/?$", ContestAnnouncementListAPI.as_view(), name="contest_announcement_api"),