Show account balance/credit

Author: drusepth

app/views/subscriptions/information.html.erb

@@ -1,6 +1,6 @@
 <% if @selected_plan.nil? %>
   <% cents_due_now = 0 %>
-  <div class="card teal lighten-1 white-text" style="padding: 20px;">
+  <div class="card light-blue white-text" style="padding: 20px;">
     Saving a payment method allows you to freely switch between Notebook.ai subscription plans with ease. Your information is stored securely in our payment processing provider, Stripe, and will not be shared with any other parties.
   </div>
 <% else %>

app/views/subscriptions/new.html.erb

@@ -277,16 +277,17 @@
                 but since we don't store it locally, you cannot edit it. You can choose to add a new one (replacing the old),
                 or delete the existing one.
               </p>
-              <p>
-                <%= link_to "Add new payment method", payment_info_path, class: 'btn white black-text' %>
-              </p>
-              <p>
-                <%= link_to "Delete existing payment method", delete_payment_method_path, class: 'btn white black-text' %>
-              </p>
             <% end %>
           </div>
         </div>
       </div>
+      <% if @stripe_customer.sources.total_count > 0 %>
+      <div class="card-action">
+                <%= link_to "Add new payment method", payment_info_path %>
+                <%= link_to "Delete existing payment method", delete_payment_method_path %>
+
+      </div>
+      <% end %>
     </div>
   </div>
 </div>
@@ -318,7 +319,13 @@
 
 <div class="card">
   <div class="card-content">
-    <div class="card-title">Billing history</div>
+    <div class="card-title">
+      <div class="right">
+        <% account_balance = @stripe_customer.account_balance %>
+        <%= 'Outstanding balance:' if account_balance > 0 %> <%= number_to_currency(account_balance.abs / 100.0) if account_balance != 0 %> <%= 'credit' if account_balance < 0 %>
+      </div>
+      Billing history
+    </div>
     <table class="bordered">
       <thead>
         <tr>