Add contest to course

judge/utils/contest.py

@@ -0,0 +1,32 @@
+from django.db import transaction
+from judge.tasks import rescore_contest
+from judge.models import (
+    Contest,
+)
+
+
+def maybe_trigger_contest_rescore(form, contest):
+    if any(
+        f in form.changed_data
+        for f in (
+            "start_time",
+            "end_time",
+            "time_limit",
+            "format_config",
+            "format_name",
+            "freeze_after",
+        )
+    ):
+        transaction.on_commit(rescore_contest.s(contest.key).delay)
+
+    if any(
+        f in form.changed_data
+        for f in (
+            "authors",
+            "curators",
+            "testers",
+        )
+    ):
+        Contest._author_ids.dirty(contest)
+        Contest._curator_ids.dirty(contest)
+        Contest._tester_ids.dirty(contest)