From ff5408c1317ced3e73ae7c340db3149cfb432e41 Mon Sep 17 00:00:00 2001
From: Zach Gollwitzer <zach@maybe.co>
Date: Wed, 9 Oct 2024 18:20:45 -0400
Subject: [PATCH] Fix group trend color (#1277)

---
 app/models/value_group.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/models/value_group.rb b/app/models/value_group.rb
index 147f7cac..275884b9 100644
--- a/app/models/value_group.rb
+++ b/app/models/value_group.rb
@@ -30,9 +30,11 @@
         end
       end
 
+      first_child = children.first
+
       summed_series = summed_by_date.map { |date, value| { date: date, value: value } }
 
-      TimeSeries.new(summed_series)
+      TimeSeries.new(summed_series, favorable_direction: first_child&.series&.favorable_direction || "up")
     end
 
     def series=(series)