square-partial-payments.php

<?php

/**
 * Gift card balance:                    : $5
 * Order total before applying gift card : $30
 * Order total after applying gift card  : $25 (to be paid using Credit card.)
 */


// Create an order for $25
$base_price_money = new \Square\Models\Money();
$base_price_money->setAmount(2500);
$base_price_money->setCurrency('USD');

$order_line_item = new \Square\Models\OrderLineItem('1');
$order_line_item->setName('25 dollar total');
$order_line_item->setItemType('ITEM');
$order_line_item->setBasePriceMoney($base_price_money);

$line_items = [$order_line_item];
$order = new \Square\Models\Order( $location_id );
$order->setLineItems($line_items);

$body = new \Square\Models\CreateOrderRequest();
$body->setOrder($order);
$body->setIdempotencyKey( uniqid() );

$api_response = $client->getOrdersApi()->createOrder($body);

if ($api_response->isSuccess()) {
	$result = $api_response->getResult();
} else {
	$errors = $api_response->getErrors();
}

$order_id = $result->getOrder()->getId();
$order_version = $result->getOrder()->getVersion();








// Create payment $5 - Gift card
$amount_money = new \Square\Models\Money();
$amount_money->setAmount(500);
$amount_money->setCurrency('USD');

$body = new \Square\Models\CreatePaymentRequest('cnon:gift-card-nonce-ok', uniqid(), $amount_money);
$body->setAutocomplete(false);
$body->setOrderId( $order_id );
$body->setLocationId( $location_id );
$body->setAcceptPartialAuthorization(true);

$api_response = $client->getPaymentsApi()->createPayment($body);

if ($api_response->isSuccess()) {
	$result = $api_response->getResult();
} else {
	$errors = $api_response->getErrors();
}

$gift_card_payment_id = $result->getPayment()->getId();








// Create payment $25 - Credit card
$amount_money = new \Square\Models\Money();
$amount_money->setAmount(2500);
$amount_money->setCurrency('USD');

$body = new \Square\Models\CreatePaymentRequest('cnon:card-nonce-ok', uniqid(), $amount_money);
$body->setAutocomplete(false);
$body->setOrderId( $order_id );
$body->setLocationId( $location_id );
$body->setAcceptPartialAuthorization(true);

$api_response = $client->getPaymentsApi()->createPayment($body);

if ($api_response->isSuccess()) {
	$result = $api_response->getResult();
} else {
	$errors = $api_response->getErrors();
}

$credit_card_payment_id = $result->getPayment()->getId();








// Completing order.
$payment_ids = [ $gift_card_payment_id, $credit_card_payment_id ];
$body = new \Square\Models\PayOrderRequest( uniqid() );
$body->setPaymentIds($payment_ids);

$api_response = $client->getOrdersApi()->payOrder( $order_id, $body);

if ($api_response->isSuccess()) {
	$result = $api_response->getResult();
} else {
	$errors = $api_response->getErrors();
}