From 65bcf835529fc5f8535642492c6f34b71b26b8da Mon Sep 17 00:00:00 2001
From: Matt-Yorkley <9029026+Matt-Yorkley@users.noreply.github.com>
Date: Thu, 11 Feb 2021 12:29:11 +0000
Subject: [PATCH] Migrate shipping fee adjustments to shipments

---
 ...15125_migrate_shipment_fees_to_shipments.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 db/migrate/20210211115125_migrate_shipment_fees_to_shipments.rb

diff --git a/db/migrate/20210211115125_migrate_shipment_fees_to_shipments.rb b/db/migrate/20210211115125_migrate_shipment_fees_to_shipments.rb
new file mode 100644
index 0000000000..86cb5f3fee
--- /dev/null
+++ b/db/migrate/20210211115125_migrate_shipment_fees_to_shipments.rb
@@ -0,0 +1,18 @@
+class MigrateShipmentFeesToShipments < ActiveRecord::Migration
+  def up
+    # Shipping fee adjustments currently have the order as the `adjustable` and the shipment as
+    # the `source`. Both `source` and `adjustable` will now be the shipment. The `originator` is
+    # the shipping method, and this is unchanged.
+    Spree::Adjustment.where(originator_type: 'Spree::ShippingMethod').update_all(
+      "adjustable_id = source_id, adjustable_type = 'Spree::Shipment'"
+    )
+  end
+
+  def down
+    # Just in case: reversing this migration requires setting the `adjustable` back to the order.
+    # The type is 'Spree::Order', and the order's id is still available on the `order_id` field.
+    Spree::Adjustment.where(originator_type: 'Spree::ShippingMethod').update_all(
+      "adjustable_id = order_id, adjustable_type = 'Spree::Order'"
+    )
+  end
+end