Update OrderEmailNotifier.php (#821)

- Add the ability to blind copy the status change emails to the administrator
- Add private static variables to the class
- update the example_config.yml
- update the ci.yml to make the 8.1 prf-low tests work in Github Actions

.github/workflows/ci.yml

@@ -13,4 +13,6 @@ jobs:
       composer_require_extra:
         phpunit/phpunit:^9.5
         silverstripe/silverstripe-omnipay:dev-main
-        php-http/discovery:^1.18.1
+        php-http/discovery:^1.19.4
+        symfony/http-foundation:^6.4.4
+        moneyphp/money:^4.5.0

example_config.yml

@@ -6,6 +6,12 @@ SilverShop\Checkout\CheckoutConfig:
   member_creation_enabled: true
   membership_required: true
 
+# Send a bcc copy of order & status change emails to the administrator
+SilverShop\Checkout\OrderEmailNotifier:
+  bcc_confirmation_to_admin: true
+  bcc_receipt_to_admin: true
+  bcc_status_change_to_admin: true
+
 SilverStripe\Control\Email\Email:
   admin_email: example@example.com
 

src/Checkout/OrderEmailNotifier.php

@@ -23,13 +23,34 @@ class OrderEmailNotifier
     use Injectable;
     use Configurable;
 
+    /**
+     * bcc Confirmation Emails to Admin
+     *
+     * @var boolean
+     */
+    private static $bcc_confirmation_to_admin = false;
+
+    /**
+     * bcc Receipt Emails to Admin
+     *
+     * @var boolean
+     */
+    private static $bcc_receipt_to_admin = false;
+
+    /**
+     * bcc Status Change Emails to Admin
+     *
+     * @var boolean
+     */
+    private static $bcc_status_change_to_admin = false;
+
     /**
      * @var Order $order
      */
     protected $order;
 
     /**
-     * @var bool
+     * @var boolean
      */
     protected $debugMode = false;
 
@@ -244,6 +265,10 @@ public function sendStatusChange($title, $note = null)
                 ]
             );
 
+        if (self::config()->bcc_status_change_to_admin) {
+            $email->setBcc(Email::config()->admin_email);
+        }
+
         if ($this->debugMode) {
             $result = $this->debug($email);
         } else {