Automattic\WooCommerce\Internal\ReceiptRendering

ReceiptRenderingEngine::get_existing_receipt │ public │ WC 1.0

Get the file name of an existing receipt file for an order.

A receipt is considered to be available for the order if there's an order meta entry with key RECEIPT_FILE_NAME_META_KEY AND the transient file it points to exists AND it has not expired.

Method of the class: ReceiptRenderingEngine{}

No Hooks.

Returns

String|null. The receipt file name, or null if no receipt is currently available for the order.

Usage

$ReceiptRenderingEngine = new ReceiptRenderingEngine();
$ReceiptRenderingEngine->get_existing_receipt( $order ): ?string;
$order(WC_Abstract_Order) (required)
The order object or order id to get the receipt for.

ReceiptRenderingEngine::get_existing_receipt() code WC 10.4.3

woocommerce/src/Internal/ReceiptRendering/ReceiptRenderingEngine.php 
public function get_existing_receipt( $order ): ?string {
	if ( ! $order instanceof WC_Abstract_Order ) {
		$order = wc_get_order( $order );
		if ( false === $order ) {
			return null;
		}
	}

	$existing_receipt_filename = $order->get_meta( self::RECEIPT_FILE_NAME_META_KEY, true );

	if ( '' === $existing_receipt_filename ) {
		return null;
	}

	$file_path = $this->transient_files_engine->get_transient_file_path( $existing_receipt_filename );
	if ( is_null( $file_path ) ) {
		return null;
	}

	return $this->transient_files_engine->file_has_expired( $file_path ) ? null : $existing_receipt_filename;
}