Rename redundant #restart_checkout to #call

app/controllers/checkout_controller.rb

@@ -18,7 +18,7 @@ class CheckoutController < Spree::CheckoutController
     # This is only required because of spree_paypal_express. If we implement
     # a version of paypal that uses this controller, and more specifically
     # the #update_failed method, then we can remove this call
-    RestartCheckout.new(@order).restart_checkout
+    RestartCheckout.new(@order).call
   end
 
   def update
@@ -139,7 +139,7 @@ class CheckoutController < Spree::CheckoutController
 
   def update_failed
     clear_ship_address
-    RestartCheckout.new(@order).restart_checkout
+    RestartCheckout.new(@order).call
 
     respond_to do |format|
       format.html do

app/services/restart_checkout.rb

@@ -4,7 +4,7 @@ class RestartCheckout
     @order = order
   end
 
-  def restart_checkout
+  def call
     return if order.cart?
 
     reset_state_to_cart

spec/controllers/checkout_controller_spec.rb

@@ -189,7 +189,7 @@ describe CheckoutController, type: :controller do
 
   describe "Paypal routing" do
     let(:payment_method) { create(:payment_method, type: "Spree::Gateway::PayPalExpress") }
-    let(:restart_checkout) { instance_double(RestartCheckout, restart_checkout: true) }
+    let(:restart_checkout) { instance_double(RestartCheckout, call: true) }
 
     before do
       allow(controller).to receive(:current_distributor) { distributor }
@@ -208,9 +208,7 @@ describe CheckoutController, type: :controller do
   end
 
   describe "#update_failed" do
-    let(:restart_checkout) do
-      instance_double(RestartCheckout, restart_checkout: true)
-    end
+    let(:restart_checkout) { instance_double(RestartCheckout, call: true) }
 
     before do
       controller.instance_variable_set(:@order, order)
@@ -219,7 +217,7 @@ describe CheckoutController, type: :controller do
 
     it "clears the shipping address and restarts the checkout" do
       expect(controller).to receive(:clear_ship_address)
-      expect(restart_checkout).to receive(:restart_checkout)
+      expect(restart_checkout).to receive(:call)
       expect(controller).to receive(:respond_to)
 
       controller.send(:update_failed)

spec/services/restart_checkout_spec.rb

@@ -3,11 +3,11 @@ require 'spec_helper'
 describe RestartCheckout do
   let(:order) { create(:order) }
 
-  describe "#restart_checkout" do
+  describe "#call" do
     context "when the order is already in the 'cart' state" do
       it "does nothing" do
         expect(order).to_not receive(:restart_checkout!)
-        RestartCheckout.new(order).restart_checkout
+        RestartCheckout.new(order).call
       end
     end
 
@@ -25,7 +25,7 @@ describe RestartCheckout do
       # with a state other than 'pending' when the order has not been
       # completed, so this is not a case that requires testing.
       it "resets the order state, and clears incomplete shipments and payments" do
-        RestartCheckout.new(order).restart_checkout
+        RestartCheckout.new(order).call
 
         expect(order.state).to eq 'cart'
         expect(order.shipping_method_id).to eq nil