Email invoice support

app/settings.rb

@@ -265,6 +265,7 @@ post '/settings/change_email_notification' do
   owner.send_emails = params[:send_emails]
   owner.send_comment_emails = params[:send_comment_emails]
   owner.send_follow_emails = params[:send_follow_emails]
+  owner.email_invoice = params[:email_invoice]
   owner.save_changes validate: false
   flash[:success] = 'Email notification settings have been updated.'
   redirect '/settings#email'

app/webhooks.rb

@@ -102,6 +102,29 @@ post '/webhooks/stripe' do
     })
   end
 
+  if event['type'] == 'invoice.payment_succeeded'
+    site = stripe_get_site_from_event event
+
+    if site.email_invoice && site.stripe_paying_supporter?
+      invoice_obj = event['data']['object']
+
+      EmailWorker.perform_async({
+        from:    'web@neocities.org',
+        to:      site.email,
+        subject: "[Neocities] Invoice",
+        body:    Tilt.new('./views/templates/email/invoice.erb', pretty: true).render(
+          self,
+          site: site,
+          amount: invoice_obj['amount_due'],
+          period_start: Time.at(invoice_obj['period_start']),
+          period_end: Time.at(invoice_obj['period_end']),
+          date: Time.at(invoice_obj['date'])
+        )
+      })
+    end
+  end
+
+
   'ok'
 end
 

views/settings/account/email.erb

@@ -25,6 +25,18 @@
     >
   </p>
 
+  <% if current_site.owner.stripe_paying_supporter? %>
+    <p>
+      Receive Invoice Receipts:
+      <input name="email_invoice" type="hidden" value="false">
+      <input name="email_invoice" type="checkbox" value="true"
+        <% if current_site.owner.email_invoice %>
+          checked
+        <% end %>
+      >
+    </p>
+  <% end %>
+
   <p>
     Receive Comment Emails:
     <input name="send_comment_emails" type="hidden" value="false">