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<?php
namespace Braintree;
use InvalidArgumentException;
/**
* Braintree TransactionLineItemGateway processor
* Creates and manages transaction line items
*/
class TransactionLineItemGateway
{
private $_gateway;
private $_config;
private $_http;
// phpcs:ignore PEAR.Commenting.FunctionComment.Missing
public function __construct($gateway)
{
$this->_gateway = $gateway;
$this->_config = $gateway->config;
$this->_config->assertHasAccessTokenOrKeys();
$this->_http = new Http($gateway->config);
}
/**
* Find all Transaction Line Items or return an error
*
* @param string $id of the Transaction to search for line items
*
* @return TransactionLineItem|Exception
*/
public function findAll($id)
{
$this->_validateId($id);
try {
$path = $this->_config->merchantPath() . '/transactions/' . $id . '/line_items';
$response = $this->_http->get($path);
$lineItems = [];
if (isset($response['lineItems'])) {
foreach ($response['lineItems'] as $lineItem) {
$lineItems[] = new TransactionLineItem($lineItem);
}
}
return $lineItems;
} catch (Exception\NotFound $e) {
throw new Exception\NotFound('transaction line items with id ' . $id . ' not found');
}
}
/**
* verifies that a valid transaction id is being used
*
* @param string transaction id
*
* @throws InvalidArgumentException
*/
private function _validateId($id = null)
{
if (empty($id)) {
throw new InvalidArgumentException('expected transaction id to be set');
}
if (!preg_match('/^[0-9a-z]+$/', $id)) {
throw new InvalidArgumentException($id . ' is an invalid transaction id.');
}
}
}