From 304f0ad46955239be0c283a3cfa885cfbf8a02c1 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Mon, 14 Dec 2020 10:58:26 +0100
Subject: [PATCH] Add sentry logging for working_time_query

---
 app/models/exercise.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/models/exercise.rb b/app/models/exercise.rb
index 7ee3fb73..af016874 100644
--- a/app/models/exercise.rb
+++ b/app/models/exercise.rb
@@ -353,7 +353,14 @@ class Exercise < ApplicationRecord
       FROM     result
     "'')
     if result.count > 0
-      quantiles.each_with_index.map { |_q, i| Time.parse(result[i]['unnest']).seconds_since_midnight }
+      begin
+        quantiles.each_with_index.map { |_q, i| Time.parse(result[i]['unnest']).seconds_since_midnight }
+      rescue ArgumentError => e
+        # result[i]['unnest'] might be an invalid time, but I don't know which
+        Raven.extra_context({quantiles: quantiles, result: result.to_json})
+        Raven.capture_exception(e)
+        quantiles.map { |_q| 0 }
+      end
     else
       quantiles.map { |_q| 0 }
     end