From 07951b83e2a15d4eaccf93931a2335e0dd7b7d3c Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 20 Dec 2014 21:39:47 -0600
Subject: [PATCH] Only save grade change when grade actually changed
---
course/flow.py | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/course/flow.py b/course/flow.py
index 33428115..72877c42 100644
--- a/course/flow.py
+++ b/course/flow.py
@@ -504,7 +504,28 @@ def grade_flow_session(fctx, flow_session, current_access_rule,
# creator left as NULL
gchange.flow_session = flow_session
gchange.comment = comment
- gchange.save()
+
+ previous_grade_changes = list(GradeChange.objects
+ .filter(
+ opportunity=gchange.opportunity,
+ participation=gchange.participation,
+ state=gchange.state,
+ attempt_id=gchange.attempt_id,
+ flow_session=gchange.flow_session)
+ .order_by("-grade_time")
+ [:1])
+
+ # only save if modified or no previous grades
+ do_save = True
+ if previous_grade_changes:
+ previous_grade_change, = previous_grade_changes
+ if (previous_grade_change.points == gchange.points
+ and previous_grade_change.max_points == gchange.max_points
+ and previous_grade_change.comment == gchange.comment):
+ do_save = False
+
+ if do_save:
+ gchange.save()
return grade_info
--
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