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phab/src/applications/phortune/controller/PhortuneCartCancelController.php
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PhortuneCartCancelController.php
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<?php
final class PhortuneCartCancelController
extends PhortuneCartController {
private $id;
private $action;
public function willProcessRequest(array $data) {
$this->id = $data['id'];
$this->action = $data['action'];
}
public function processRequest() {
$request = $this->getRequest();
$viewer = $request->getUser();
$cart = id(new PhortuneCartQuery())
->setViewer($viewer)
->withIDs(array($this->id))
->needPurchases(true)
->executeOne();
if (!$cart) {
return new Aphront404Response();
}
switch ($this->action) {
case 'cancel':
// You must be able to edit the account to cancel an order.
PhabricatorPolicyFilter::requireCapability(
$viewer,
$cart->getAccount(),
PhabricatorPolicyCapability::CAN_EDIT);
$is_refund = false;
break;
case 'refund':
// You must be able to control the merchant to refund an order.
PhabricatorPolicyFilter::requireCapability(
$viewer,
$cart->getMerchant(),
PhabricatorPolicyCapability::CAN_EDIT);
$is_refund = true;
break;
default:
return new Aphront404Response();
}
$cancel_uri = $cart->getDetailURI();
$merchant = $cart->getMerchant();
try {
if ($is_refund) {
$title = pht('Unable to Refund Order');
$cart->assertCanRefundOrder();
} else {
$title = pht('Unable to Cancel Order');
$cart->assertCanCancelOrder();
}
} catch (Exception $ex) {
return $this->newDialog()
->setTitle($title)
->appendChild($ex->getMessage())
->addCancelButton($cancel_uri);
}
$charges = id(new PhortuneChargeQuery())
->setViewer($viewer)
->withCartPHIDs(array($cart->getPHID()))
->withStatuses(
array(
PhortuneCharge::STATUS_HOLD,
PhortuneCharge::STATUS_CHARGED,
))
->execute();
$amounts = mpull($charges, 'getAmountAsCurrency');
$maximum = PhortuneCurrency::newFromList($amounts);
$v_refund = $maximum->formatForDisplay();
$errors = array();
$e_refund = true;
if ($request->isFormPost()) {
if ($is_refund) {
try {
$refund = PhortuneCurrency::newFromUserInput(
$viewer,
$request->getStr('refund'));
$refund->assertInRange('0.00 USD', $maximum->formatForDisplay());
} catch (Exception $ex) {
$errors[] = $ex->getMessage();
$e_refund = pht('Invalid');
}
} else {
$refund = $maximum;
}
if (!$errors) {
$charges = msort($charges, 'getID');
$charges = array_reverse($charges);
if ($charges) {
$providers = id(new PhortunePaymentProviderConfigQuery())
->setViewer($viewer)
->withPHIDs(mpull($charges, 'getProviderPHID'))
->execute();
$providers = mpull($providers, null, 'getPHID');
} else {
$providers = array();
}
foreach ($charges as $charge) {
$refundable = $charge->getAmountRefundableAsCurrency();
if (!$refundable->isPositive()) {
// This charge is a refund, or has already been fully refunded.
continue;
}
if ($refund->isGreaterThan($refundable)) {
$refund_amount = $refundable;
} else {
$refund_amount = $refund;
}
$provider_config = idx($providers, $charge->getProviderPHID());
if (!$provider_config) {
throw new Exception(pht('Unable to load provider for charge!'));
}
$provider = $provider_config->buildProvider();
$refund_charge = $cart->willRefundCharge(
$viewer,
$provider,
$charge,
$refund_amount);
$refunded = false;
try {
$provider->refundCharge($charge, $refund_charge);
$refunded = true;
} catch (Exception $ex) {
phlog($ex);
$cart->didFailRefund($charge, $refund_charge);
}
if ($refunded) {
$cart->didRefundCharge($charge, $refund_charge);
$refund = $refund->subtract($refund_amount);
}
if (!$refund->isPositive()) {
break;
}
}
if ($refund->isPositive()) {
throw new Exception(pht('Unable to refund some charges!'));
}
// TODO: If every HOLD and CHARGING transaction has been fully refunded
// and we're in a HOLD, REVIEW, PURCHASING or CHARGED cart state we
// probably need to kick the cart back to READY here (or maybe kill
// it if it was in REVIEW)?
return id(new AphrontRedirectResponse())->setURI($cancel_uri);
}
}
if ($is_refund) {
$title = pht('Refund Order?');
$body = pht(
'Really refund this order?');
$button = pht('Refund Order');
$cancel_text = pht('Cancel');
$form = id(new AphrontFormView())
->setUser($viewer)
->appendChild(
id(new AphrontFormTextControl())
->setName('refund')
->setLabel(pht('Amount'))
->setError($e_refund)
->setValue($v_refund));
$form = $form->buildLayoutView();
} else {
$title = pht('Cancel Order?');
$body = pht(
'Really cancel this order? Any payment will be refunded.');
$button = pht('Cancel Order');
// Don't give the user a "Cancel" button in response to a "Cancel?"
// prompt, as it's confusing.
$cancel_text = pht('Do Not Cancel Order');
$form = null;
}
return $this->newDialog()
->setTitle($title)
->setErrors($errors)
->appendChild($body)
->appendChild($form)
->addSubmitButton($button)
->addCancelButton($cancel_uri, $cancel_text);
}
}
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