From f9711318889b767377a8cc0df795732d80c23f53 Mon Sep 17 00:00:00 2001
From: Maikel Linke <maikel@email.org.au>
Date: Wed, 2 Nov 2022 15:33:43 +1100
Subject: [PATCH] Cache default country for an hour

The default country usually never changes after the initial setup of an
instance.
---
 app/models/spree/country.rb     | 6 ++++++
 app/services/default_country.rb | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/models/spree/country.rb b/app/models/spree/country.rb
index ee94968556..6647b8d698 100644
--- a/app/models/spree/country.rb
+++ b/app/models/spree/country.rb
@@ -6,6 +6,12 @@ module Spree
 
     validates :name, :iso_name, presence: true
 
+    def self.cached_find_by(attrs)
+      Rails.cache.fetch("countries/#{attrs.hash}", expires_in: 1.hour) do
+        find_by(attrs)
+      end
+    end
+
     def <=>(other)
       name <=> other.name
     end
diff --git a/app/services/default_country.rb b/app/services/default_country.rb
index 11b85e90a4..cb2aae92ec 100644
--- a/app/services/default_country.rb
+++ b/app/services/default_country.rb
@@ -10,6 +10,6 @@ class DefaultCountry
   end
 
   def self.country
-    Spree::Country.find_by(iso: ENV["DEFAULT_COUNTRY_CODE"]) || Spree::Country.first
+    Spree::Country.cached_find_by(iso: ENV["DEFAULT_COUNTRY_CODE"]) || Spree::Country.first
   end
 end