From bb46df61d4b2bbd80f5225eb54a0bd5c5a32700d Mon Sep 17 00:00:00 2001
From: Matt-Yorkley <9029026+Matt-Yorkley@users.noreply.github.com>
Date: Fri, 5 Mar 2021 18:06:27 +0000
Subject: [PATCH] Simplify Order#total_tax

We get the same value here, but without the three additional database hits to adjustments (both of these values are already present on the order object itself).
---
 app/models/spree/order.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/app/models/spree/order.rb b/app/models/spree/order.rb
index b1731b42d4..32c5e9e151 100644
--- a/app/models/spree/order.rb
+++ b/app/models/spree/order.rb
@@ -662,9 +662,7 @@ module Spree
     end
 
     def total_tax
-      adjustments.sum(:included_tax) +
-        shipment_adjustments.sum(:included_tax) +
-        line_item_adjustments.tax.sum(:amount)
+      additional_tax_total + included_tax_total
     end
 
     def has_taxes_included