Update updateNames() to work with Woo Custom Order Tables

[MAILPOET-4711]

mailpoet/lib/Segments/WooCommerce.php

@@ -338,6 +338,30 @@ class WooCommerce {
     }
     $subscribersTable = $this->entityManager->getClassMetadata(SubscriberEntity::class)->getTableName();
 
+    if ($this->woocommerceHelper->isWooCommerceCustomOrdersTableEnabled()) {
+      $addressesTableName = $this->woocommerceHelper->getAddressesTableName();
+      $metaData = [];
+      $results = $this->connection->executeQuery("
+        SELECT order_id, first_name, last_name
+        FROM {$addressesTableName}
+        WHERE order_id IN (:orderIds) and address_type = 'billing'",
+        ['orderIds' => array_values($orders)],
+        ['orderIds' => Connection::PARAM_INT_ARRAY]
+      )->fetchAllAssociative();
+
+      // format data in the same format that is used when querying wp_postmeta (see below).
+      foreach ($results as $result) {
+        $firstNameData['post_id'] = $result['order_id'];
+        $firstNameData['meta_key'] = '_billing_first_name';
+        $firstNameData['meta_value'] = $result['first_name'];
+        $metaData[] = $firstNameData;
+
+        $lastNameData['post_id'] = $result['order_id'];
+        $lastNameData['meta_key'] = '_billing_last_name';
+        $lastNameData['meta_value'] = $result['last_name'];
+        $metaData[] = $lastNameData;
+      }
+    } else {
       $metaKeys = [
         '_billing_first_name',
         '_billing_last_name',
@@ -345,11 +369,12 @@ class WooCommerce {
       $metaData = $this->connection->executeQuery("
         SELECT post_id, meta_key, meta_value
         FROM {$wpdb->postmeta}
-      WHERE meta_key IN (:metaKeys) AND post_id IN (:postIds)
+        WHERE meta_key IN ('_billing_first_name', '_billing_last_name') AND post_id IN (:postIds)
       ",
         ['metaKeys' => $metaKeys, 'postIds' => array_values($orders)],
         ['metaKeys' => Connection::PARAM_STR_ARRAY, 'postIds' => Connection::PARAM_INT_ARRAY]
       )->fetchAllAssociative();
+    }
 
     $subscribersData = [];
     foreach ($orders as $email => $postId) {