OpenCart 🇺🇦

$this->load->language('payment/pp_express');
/**
 * used to capture authorised payments
 *
 * capture can be full or partial amounts
 */
if(isset($this->request->post['order_id']) && $this->request->post['amount'] > 0 && isset($this->request->post['order_id']) && isset($this->request->post['complete'])) {

	$this->load->model('payment/pp_express');

	$paypal_order = $this->model_payment_pp_express->getOrder($this->request->post['order_id']);

	if($this->request->post['complete'] == 1) {
		$complete = 'Complete';
	} else {
		$complete = 'NotComplete';
	}

	$call_data = array();
	$call_data['METHOD'] = 'DoCapture';
	$call_data['AUTHORIZATIONID'] = $paypal_order['authorization_id'];
	$call_data['AMT'] = number_format($this->request->post['amount'], 2);
	$call_data['CURRENCYCODE'] = $paypal_order['currency_code'];
	$call_data['COMPLETETYPE'] = $complete;
	$call_data['MSGSUBID'] = uniqid(mt_rand(), true);

	$result = $this->model_payment_pp_express->call($call_data);

	$transaction = array(
		'paypal_order_id' => $paypal_order['paypal_order_id'],
		'transaction_id' => '',
		'parent_transaction_id' => $paypal_order['authorization_id'],
		'note' => '',
		'msgsubid' => $call_data['MSGSUBID'],
		'receipt_id' => '',
		'payment_type' => '',
		'payment_status' => '',
		'pending_reason' => '',
		'transaction_entity' => 'payment',
		'amount' => '',
		'debug_data' => json_encode($result),
	);

	if ($result == false) {
		$transaction['amount'] = number_format($this->request->post['amount'], 2);
		$paypal_order_transaction_id = $this->model_payment_pp_express->addTransaction($transaction, $call_data);

		$json['error'] = true;

		$json['failed_transaction']['paypal_order_transaction_id'] = $paypal_order_transaction_id;
		$json['failed_transaction']['amount'] = $transaction['amount'];
		$json['failed_transaction']['created'] = date("Y-m-d H:i:s");

		$json['msg'] = $this->language->get('error_timeout');
	} else if(isset($result['ACK']) && $result['ACK'] != 'Failure' && $result['ACK'] != 'FailureWithWarning') {
		$transaction['transaction_id'] = $result['TRANSACTIONID'];
		$transaction['payment_type'] = $result['PAYMENTTYPE'];
		$transaction['payment_status'] = $result['PAYMENTSTATUS'];
		$transaction['pending_reason'] = (isset($result['PENDINGREASON']) ? $result['PENDINGREASON'] : '');
		$transaction['amount'] = $result['AMT'];

		$this->model_payment_pp_express->addTransaction($transaction);

		unset($transaction['debug_data']);
		$transaction['created'] = date("Y-m-d H:i:s");

		$captured = number_format($this->model_payment_pp_express->totalCaptured($paypal_order['paypal_order_id']), 2);
		$refunded = number_format($this->model_payment_pp_express->totalRefundedOrder($paypal_order['paypal_order_id']), 2);

		$transaction['captured'] = $captured;
		$transaction['refunded'] = $refunded;
		$transaction['remaining'] = number_format($paypal_order['total'] - $captured, 2);

		$transaction['status'] = 0;
		if($transaction['remaining'] == 0.00) {
			$transaction['status'] = 1;
			$this->model_payment_pp_express->updateOrder('Complete', $this->request->post['order_id']);
		}

		$transaction['void'] = '';

		if($this->request->post['complete'] == 1 && $transaction['remaining'] > 0) {
			$transaction['void'] = array(
				'paypal_order_id' => $paypal_order['paypal_order_id'],
				'transaction_id' => '',
				'parent_transaction_id' => $paypal_order['authorization_id'],
				'note' => '',
				'msgsubid' => '',
				'receipt_id' => '',
				'payment_type' => '',
				'payment_status' => 'Void',
				'pending_reason' => '',
				'amount' => '',
				'debug_data' => 'Voided after capture',
				'transaction_entity' => 'auth',
			);

			$this->model_payment_pp_express->addTransaction($transaction['void']);
			$this->model_payment_pp_express->updateOrder('Complete', $this->request->post['order_id']);
			$transaction['void']['created'] = date("Y-m-d H:i:s");
			$transaction['status'] = 1;
		}

		$json['data'] = $transaction;
		$json['error'] = false;
		$json['msg'] = 'Ok';
	} else {
		$json['error'] = true;
		$json['msg'] = (isset($result['L_SHORTMESSAGE0']) ? $result['L_SHORTMESSAGE0'] : 'There was an error');
	}
} else {
	$json['error'] = true;
	$json['msg'] = 'Missing data';
}

$this->response->setOutput(json_encode($json));