From 19042e0d37e07e158af5ef2b032cee8f6bb43f96 Mon Sep 17 00:00:00 2001
From: luisramos0 <luisramos0@gmail.com>
Date: Fri, 7 Feb 2020 11:30:03 +0000
Subject: [PATCH] Make checkout controller able to receive a redirect from
 stripe with a payment_intent as parameter

---
 app/controllers/checkout_controller.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/controllers/checkout_controller.rb b/app/controllers/checkout_controller.rb
index 90bc4357d2..f593e8896d 100644
--- a/app/controllers/checkout_controller.rb
+++ b/app/controllers/checkout_controller.rb
@@ -35,6 +35,16 @@ class CheckoutController < Spree::StoreController
   rescue_from Spree::Core::GatewayError, with: :rescue_from_spree_gateway_error
 
   def edit
+    if valid_payment_intent_provided?
+      if advance_order_state(@order) && order_complete?
+        checkout_succeeded
+        redirect_to(order_path(@order)) && return
+      else
+        flash[:error] = order_workflow_error
+        current_order.updater.shipping_address_from_distributor
+      end
+    end
+
     # 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
@@ -151,6 +161,13 @@ class CheckoutController < Spree::StoreController
     end
   end
 
+  def valid_payment_intent_provided?
+    params["payment_intent"]&.starts_with?("pi_") &&
+      @order.state == "payment" &&
+      @order.payments.last.state == "pending" &&
+      @order.payments.last.response_code == params["payment_intent"]
+  end
+
   def checkout_workflow(shipping_method_id)
     while @order.state != "complete"
       if @order.state == "payment"