feat: 新增付款方式時，也要記錄暫存訂單的付款方式

admin/card-management/class-card-management.php

@@ -156,7 +156,10 @@ private function get_order_by_post( $post ) {
 
 		$subscription_id = (int) $post->ID;
 		$subscription    = \wcs_get_subscription( $subscription_id );
-		return $subscription->get_parent();
+		if ($subscription) {
+			return $subscription->get_parent();
+		}
+		return null;
 	}
 
 	/**

includes/payuni/src/gateways/AbstractGateway.php

@@ -541,6 +541,8 @@ public function add_payment_method(): array {
 			 */
 			$order = \wc_create_order();
 			$order->set_customer_id( \get_current_user_id() );
+			$order->set_payment_method( $this->id );
+			$order->set_payment_method_title( $this->get_title() );
 
 			// create Fee object.
 			$fee = new \WC_Order_Item_Fee();

includes/payuni/src/pages/MyAccount.php

@@ -104,8 +104,8 @@ public function update_credit_hash( int $token_id, \WC_PAYMENT_TOKEN_CC $token )
 		foreach ( $subscriptions as $subscription ) {
 			$subscription_id = $subscription->get_id();
 			$subscription->set_payment_method( $gateway_id );
-			\update_post_meta( $subscription_id, '_payment_method', $gateway_id );
-			\update_post_meta( $subscription_id, '_payment_method_title', $payment_gateway_title );
+			$subscription->set_payment_method_title( $payment_gateway_title );
+			$subscription->save();
 
 			// 取得父訂單ID.
 			$parent_id          = \wp_get_post_parent_id( $subscription_id );
@@ -117,6 +117,8 @@ public function update_credit_hash( int $token_id, \WC_PAYMENT_TOKEN_CC $token )
 			if ( ! $order ) {
 				continue;
 			}
+			$order->set_payment_method( $gateway_id );
+			$order->set_payment_method_title( $payment_gateway_title );
 			$order->update_meta_data( '_payuni_card_hash', $token->get_token() );
 			$order->update_meta_data( '_payuni_card_number', $token->get_last4() );
 			$order->update_meta_data( '_payuni_resp_card_bank', '不確定' );