show the payment on the thankyou page

app/controllers/patrons_controller.rb

@@ -3,6 +3,7 @@
 module DiscoursePatrons
   class PatronsController < ::ApplicationController
     skip_before_action :verify_authenticity_token, only: [:create]
+    before_action :set_api_key
 
     def index
       result = { email: '' }
@@ -15,14 +16,12 @@ module DiscoursePatrons
     end
 
     def show
-      result = { }
+      result = Stripe::PaymentIntent.retrieve(params[:pid])
 
       render json: result
     end
 
     def create
-      ::Stripe.api_key = SiteSetting.discourse_patrons_secret_key
-
       begin
 
         response = ::Stripe::PaymentIntent.create(
@@ -55,6 +54,10 @@ module DiscoursePatrons
 
     private
 
+    def set_api_key
+      ::Stripe.api_key = SiteSetting.discourse_patrons_secret_key
+    end
+
     def param_currency_to_number
       params[:amount].to_s.sub('.', '').to_i
     end

assets/javascripts/discourse/routes/patrons-show.js.es6

@@ -0,0 +1,7 @@
+import { ajax } from "discourse/lib/ajax";
+
+export default Discourse.Route.extend({
+  model(params) {
+    return ajax(`/patrons/${params.pid}`, { method: "get" });
+  }
+});

assets/javascripts/discourse/templates/admin/plugins-discourse-patrons.hbs

@@ -20,7 +20,11 @@
               {{payment.username}}
             {{/link-to}}
           </td>
-          <td>{{{stripe-payment-link payment}}}</td>
+          <td>
+            {{#link-to "patrons.show" payment.payment_intent_id}}
+              {{{payment.payment_intent_id}}}
+            {{/link-to}}
+          </td>
           <td>{{payment.receipt_email}}</td>
           <td>{{{format-duration payment.created_at_age}}}</td>
           <td class="amount">{{payment.amount_currency}}</td>

assets/javascripts/discourse/templates/patrons/show.hbs

@@ -6,6 +6,21 @@
   {{cook-text siteSettings.discourse_patrons_success_page}}
 </p>
 
+{{#if model}}
+  <table>
+    <tr>
+      <td>Payment ID</td>
+      <td>{{model.id}}</td>
+    </tr>
+    <tr>
+      <td>Amount</td>
+      <td>{{model.amount}}</td>
+    </tr>
+  </table>
+{{/if}}
+
+<hr>
+
 {{#d-button action="goBack" class="btn btn-primary"}}
   {{i18n 'discourse_patrons.buttons.success'}}
 {{/d-button}}

config/locales/client.en.yml

@@ -40,6 +40,6 @@ en:
         table:
           head:
             user: User
-            payment_intent: Payment Intent
+            payment_intent: Payment ID
             receipt_email: Receipt Email
             amount: Amount

spec/controllers/discourse_patrons/patrons_controller_spec.rb

@@ -29,9 +29,15 @@ module DiscoursePatrons
 
     describe 'show' do
       it 'responds ok' do
+        ::Stripe::PaymentIntent.expects(:retrieve)
         get :show, params: { pid: '123' }, format: :json
         expect(response).to have_http_status(200)
       end
+
+      it 'requests the payment intent' do
+        ::Stripe::PaymentIntent.expects(:retrieve).with('abc-1234')
+        get :show, params: { pid: 'abc-1234' }, format: :json
+      end
     end
 
     describe 'create' do