From 361238646370854fae37175d8ba9da1bd54eeed3 Mon Sep 17 00:00:00 2001
From: Matt-Yorkley <9029026+Matt-Yorkley@users.noreply.github.com>
Date: Sat, 17 Oct 2020 18:08:28 +0100
Subject: [PATCH] Make loading of Zones in db:seed idempotent (and avoid fatal
 errors if run twice)

---
 db/default/zones.rb | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/db/default/zones.rb b/db/default/zones.rb
index 19d04ca090..10dd53b1d2 100644
--- a/db/default/zones.rb
+++ b/db/default/zones.rb
@@ -1,15 +1,19 @@
-eu_vat = Spree::Zone.create!(name: "EU_VAT", description: "Countries that make up the EU VAT zone.")
-north_america = Spree::Zone.create!(name: "North America", description: "USA + Canada")
+unless Spree::Zone.find_by(name: "EU_VAT")
+  eu_vat = Spree::Zone.create!(name: "EU_VAT", description: "Countries that make up the EU VAT zone.")
 
-["Poland", "Finland", "Portugal", "Romania", "Germany", "France",
- "Slovakia", "Hungary", "Slovenia", "Ireland", "Austria", "Spain",
- "Italy", "Belgium", "Sweden", "Latvia", "Bulgaria", "United Kingdom",
- "Lithuania", "Cyprus", "Luxembourg", "Malta", "Denmark", "Netherlands",
- "Estonia"].
-each do |name|
-  eu_vat.zone_members.create!(zoneable: Spree::Country.find_by!(name: name))
+  ["Poland", "Finland", "Portugal", "Romania", "Germany", "France",
+   "Slovakia", "Hungary", "Slovenia", "Ireland", "Austria", "Spain",
+   "Italy", "Belgium", "Sweden", "Latvia", "Bulgaria", "United Kingdom",
+   "Lithuania", "Cyprus", "Luxembourg", "Malta", "Denmark", "Netherlands",
+   "Estonia"].each do |name|
+    eu_vat.zone_members.create!(zoneable: Spree::Country.find_by!(name: name))
+  end
 end
 
-["United States", "Canada"].each do |name|
-  north_america.zone_members.create!(zoneable: Spree::Country.find_by!(name: name))
+unless Spree::Zone.find_by(name: "North America")
+  north_america = Spree::Zone.create!(name: "North America", description: "USA + Canada")
+
+  ["United States", "Canada"].each do |name|
+    north_america.zone_members.create!(zoneable: Spree::Country.find_by!(name: name))
+  end
 end