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phab/src/applications/phortune/provider/PhortuneWePayPaymentProvider.php
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PhortuneWePayPaymentProvider.php
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<?php
final class PhortuneWePayPaymentProvider extends PhortunePaymentProvider {
public function isEnabled() {
return $this->getWePayClientID() &&
$this->getWePayClientSecret() &&
$this->getWePayAccessToken() &&
$this->getWePayAccountID();
}
public function getProviderType() {
return 'wepay';
}
public function getProviderDomain() {
return 'wepay.com';
}
public function getPaymentMethodDescription() {
return pht('Credit Card or Bank Account');
}
public function getPaymentMethodIcon() {
return celerity_get_resource_uri('/rsrc/image/phortune/wepay.png');
}
public function getPaymentMethodProviderDescription() {
return 'WePay';
}
public function canHandlePaymentMethod(PhortunePaymentMethod $method) {
$type = $method->getMetadataValue('type');
return ($type == 'wepay');
}
protected function executeCharge(
PhortunePaymentMethod $payment_method,
PhortuneCharge $charge) {
throw new Exception('!');
}
private function getWePayClientID() {
return PhabricatorEnv::getEnvConfig('phortune.wepay.client-id');
}
private function getWePayClientSecret() {
return PhabricatorEnv::getEnvConfig('phortune.wepay.client-secret');
}
private function getWePayAccessToken() {
return PhabricatorEnv::getEnvConfig('phortune.wepay.access-token');
}
private function getWePayAccountID() {
return PhabricatorEnv::getEnvConfig('phortune.wepay.account-id');
}
/* -( One-Time Payments )-------------------------------------------------- */
public function canProcessOneTimePayments() {
return true;
}
/* -( Controllers )-------------------------------------------------------- */
public function canRespondToControllerAction($action) {
switch ($action) {
case 'checkout':
case 'charge':
case 'cancel':
return true;
}
return parent::canRespondToControllerAction();
}
/**
* @phutil-external-symbol class WePay
*/
public function processControllerRequest(
PhortuneProviderController $controller,
AphrontRequest $request) {
$viewer = $request->getUser();
$cart = $controller->loadCart($request->getInt('cartID'));
if (!$cart) {
return new Aphront404Response();
}
$root = dirname(phutil_get_library_root('phabricator'));
require_once $root.'/externals/wepay/wepay.php';
WePay::useStaging(
$this->getWePayClientID(),
$this->getWePayClientSecret());
$wepay = new WePay($this->getWePayAccessToken());
$charge = id(new PhortuneChargeQuery())
->setViewer($viewer)
->withCartPHIDs(array($cart->getPHID()))
->withStatuses(
array(
PhortuneCharge::STATUS_CHARGING,
))
->executeOne();
switch ($controller->getAction()) {
case 'checkout':
if ($charge) {
throw new Exception(pht('Cart is already charging!'));
}
break;
case 'charge':
case 'cancel':
if (!$charge) {
throw new Exception(pht('Cart is not charging yet!'));
}
break;
}
switch ($controller->getAction()) {
case 'checkout':
$return_uri = $this->getControllerURI(
'charge',
array(
'cartID' => $cart->getID(),
));
$cancel_uri = $this->getControllerURI(
'cancel',
array(
'cartID' => $cart->getID(),
));
$price = $cart->getTotalPriceAsCurrency();
$params = array(
'account_id' => $this->getWePayAccountID(),
'short_description' => 'Services', // TODO
'type' => 'SERVICE',
'amount' => $price->formatBareValue(),
'long_description' => 'Services', // TODO
'reference_id' => $cart->getPHID(),
'app_fee' => 0,
'fee_payer' => 'Payee',
'redirect_uri' => $return_uri,
'fallback_uri' => $cancel_uri,
// NOTE: If we don't `auto_capture`, we might get a result back in
// either an "authorized" or a "reserved" state. We can't capture
// an "authorized" result, so just autocapture.
'auto_capture' => true,
'require_shipping' => 0,
'shipping_fee' => 0,
'charge_tax' => 0,
'mode' => 'regular',
'funding_sources' => 'bank,cc'
);
$cart->willApplyCharge($viewer, $this);
$result = $wepay->request('checkout/create', $params);
$cart->setMetadataValue('provider.checkoutURI', $result->checkout_uri);
$cart->setMetadataValue('wepay.checkoutID', $result->checkout_id);
$cart->save();
$uri = new PhutilURI($result->checkout_uri);
return id(new AphrontRedirectResponse())
->setIsExternal(true)
->setURI($uri);
case 'charge':
$checkout_id = $request->getInt('checkout_id');
$params = array(
'checkout_id' => $checkout_id,
);
$checkout = $wepay->request('checkout', $params);
if ($checkout->reference_id != $cart->getPHID()) {
throw new Exception(
pht('Checkout reference ID does not match cart PHID!'));
}
switch ($checkout->state) {
case 'authorized':
case 'reserved':
case 'captured':
break;
default:
throw new Exception(
pht(
'Checkout is in bad state "%s"!',
$result->state));
}
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
$cart->didApplyCharge($charge);
unset($unguarded);
return id(new AphrontRedirectResponse())
->setURI($cart->getDoneURI());
case 'cancel':
// TODO: I don't know how it's possible to cancel out of a WePay
// charge workflow.
throw new Exception(
pht('How did you get here? WePay has no cancel flow in its UI...?'));
break;
}
throw new Exception(
pht('Unsupported action "%s".', $controller->getAction()));
}
}
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