From 2f0d61d54f5fb837ead151445a5c9286cdb2f27e Mon Sep 17 00:00:00 2001
From: Luis Ramos <luisramos0@gmail.com>
Date: Wed, 19 Aug 2020 03:50:10 +0100
Subject: [PATCH] Bring Spree engine.rb from spree_core

---
 lib/spree/core/engine.rb | 113 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 lib/spree/core/engine.rb

diff --git a/lib/spree/core/engine.rb b/lib/spree/core/engine.rb
new file mode 100644
index 0000000000..6e975008e2
--- /dev/null
+++ b/lib/spree/core/engine.rb
@@ -0,0 +1,113 @@
+module Spree
+  module Core
+    class Engine < ::Rails::Engine
+      isolate_namespace Spree
+      engine_name 'spree'
+
+      config.autoload_paths += %W(#{config.root}/lib)
+
+      config.after_initialize do
+        ActiveSupport::Notifications.subscribe(/^spree\./) do |*args|
+          event_name, start_time, end_time, id, payload = args
+          Activator.active.event_name_starts_with(event_name).each do |activator|
+            payload[:event_name] = event_name
+            activator.activate(payload)
+          end
+        end
+      end
+
+      # We need to reload the routes here due to how Spree sets them up.
+      # The different facets of Spree (backend, frontend, etc.) append/prepend
+      # routes to Core *after* Core has been loaded.
+      #
+      # So we wait until after initialization is complete to do one final reload.
+      # This then makes the appended/prepended routes available to the application.
+      config.after_initialize do
+        Rails.application.routes_reloader.reload!
+      end
+
+      initializer "spree.environment", :before => :load_config_initializers do |app|
+        app.config.spree = Spree::Core::Environment.new
+        Spree::Config = app.config.spree.preferences #legacy access
+      end
+
+      initializer "spree.load_preferences", :before => "spree.environment" do
+        ::ActiveRecord::Base.send :include, Spree::Preferences::Preferable
+      end
+
+      initializer "spree.register.calculators" do |app|
+        app.config.spree.calculators.shipping_methods = [
+            Spree::Calculator::Shipping::FlatPercentItemTotal,
+            Spree::Calculator::Shipping::FlatRate,
+            Spree::Calculator::Shipping::FlexiRate,
+            Spree::Calculator::Shipping::PerItem,
+            Spree::Calculator::Shipping::PriceSack]
+
+         app.config.spree.calculators.tax_rates = [
+            Spree::Calculator::DefaultTax]
+      end
+
+      initializer "spree.register.stock_splitters" do |app|
+        app.config.spree.stock_splitters = [
+          Spree::Stock::Splitter::ShippingCategory,
+          Spree::Stock::Splitter::Backordered
+        ]
+      end
+
+      initializer "spree.register.payment_methods" do |app|
+        app.config.spree.payment_methods = [
+            Spree::Gateway::Bogus,
+            Spree::Gateway::BogusSimple,
+            Spree::PaymentMethod::Check ]
+      end
+
+      initializer "spree.mail.settings" do |app|
+        Spree::Core::MailSettings.init
+        Mail.register_interceptor(Spree::Core::MailInterceptor)
+      end
+
+      # We need to define promotions rules here so extensions and existing apps
+      # can add their custom classes on their initializer files
+      initializer 'spree.promo.environment' do |app|
+        app.config.spree.add_class('promotions')
+        app.config.spree.promotions = Spree::Promo::Environment.new
+        app.config.spree.promotions.rules = []
+      end
+
+      initializer 'spree.promo.register.promotion.calculators' do |app|
+        app.config.spree.calculators.add_class('promotion_actions_create_adjustments')
+        app.config.spree.calculators.promotion_actions_create_adjustments = [
+          Spree::Calculator::FlatPercentItemTotal,
+          Spree::Calculator::FlatRate,
+          Spree::Calculator::FlexiRate,
+          Spree::Calculator::PerItem,
+          Spree::Calculator::PercentPerItem,
+          Spree::Calculator::FreeShipping
+        ]
+      end
+
+      initializer 'spree.promo.register.promotion.calculators' do
+        Rails.application.config.spree.promotions.rules.concat [
+          Spree::Promotion::Rules::ItemTotal,
+          Spree::Promotion::Rules::Product,
+          Spree::Promotion::Rules::User,
+          Spree::Promotion::Rules::FirstOrder,
+          Spree::Promotion::Rules::UserLoggedIn]
+      end
+
+      initializer 'spree.promo.register.promotions.actions' do |app|
+        app.config.spree.promotions.actions = [Spree::Promotion::Actions::CreateAdjustment,
+          Spree::Promotion::Actions::CreateLineItems]
+      end
+
+      # filter sensitive information during logging
+      initializer "spree.params.filter" do |app|
+        app.config.filter_parameters += [
+          :password,
+          :password_confirmation,
+          :number,
+          :verification_value]
+      end
+    end
+  end
+end