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phorge/src/applications/phortune/stripe/controller/PhortuneStripeTestPaymentFormController.php
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PhortuneStripeTestPaymentFormController.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class PhortuneStripeTestPaymentFormController
extends PhortuneStripeBaseController {
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$title = 'Test Payment Form';
$error_view = null;
$card_number_error = null;
$card_cvc_error = null;
$card_expiration_error = null;
$stripe_key = $request->getStr('stripeKey');
if (!$stripe_key) {
$error_view = id(new AphrontErrorView())
->setTitle('Missing stripeKey parameter in URI');
}
if (!$error_view && $request->isFormPost()) {
$card_errors = $request->getStr('cardErrors');
$stripe_token = $request->getStr('stripeToken');
if ($card_errors) {
$raw_errors = json_decode($card_errors);
list($card_number_error,
$card_cvc_error,
$card_expiration_error,
$messages) = $this->parseRawErrors($raw_errors);
$error_view = id(new AphrontErrorView())
->setTitle('There were errors processing your card.')
->setErrors($messages);
} else if (!$stripe_token) {
// this shouldn't happen, so show the user a very generic error
// message and log that this error occurred...!
$error_view = id(new AphrontErrorView())
->setTitle('There was an unknown error processing your card.')
->setErrors(array('Please try again.'));
$error = 'payment form submitted but no stripe token and no errors';
$this->logStripeError($error);
} else {
// success -- do something with $stripe_token!!
}
} else if (!$error_view) {
$error_view = id(new AphrontErrorView())
->setSeverity(AphrontErrorView::SEVERITY_NOTICE)
->setTitle(
'If you are using a test stripe key, use 4242424242424242, '.
'any three digits for CVC, and any valid expiration date to '.
'test!');
}
$view = id(new AphrontPanelView())
->setWidth(AphrontPanelView::WIDTH_FORM)
->setHeader($title);
$form = id(new PhortuneStripePaymentFormView())
->setUser($user)
->setStripeKey($stripe_key)
->setCardNumberError($card_number_error)
->setCardCVCError($card_cvc_error)
->setCardExpirationError($card_expiration_error);
$view->appendChild($form);
return
$this->buildStandardPageResponse(
array(
$error_view,
$view,
),
array(
'title' => $title,
)
);
}
/**
* Stripe JS and calls to Stripe handle all errors with processing this
* form. This function takes the raw errors - in the form of an array
* where each elementt is $type => $message - and figures out what if
* any fields were invalid and pulls the messages into a flat object.
*
* See https://stripe.com/docs/api#errors for more information on possible
* errors.
*/
private function parseRawErrors($errors) {
$card_number_error = null;
$card_cvc_error = null;
$card_expiration_error = null;
$messages = array();
foreach ($errors as $index => $error) {
$type = key($error);
$msg = reset($error);
$messages[] = $msg;
switch ($type) {
case 'number':
case 'invalid_number':
case 'incorrect_number':
$card_number_error = true;
break;
case 'cvc':
case 'invalid_cvc':
case 'incorrect_cvc':
$card_cvc_error = true;
break;
case 'expiry':
case 'invalid_expiry_month':
case 'invalid_expiry_year':
$card_expiration_error = true;
break;
case 'card_declined':
case 'expired_card':
case 'duplicate_transaction':
case 'processing_error':
// these errors don't map well to field(s) being bad
break;
case 'invalid_amount':
case 'missing':
default:
// these errors only happen if we (not the user) messed up so log it
$error = sprintf(
'error_type: %s error_message: %s',
$type,
$msg
);
$this->logStripeError($error);
break;
}
}
// append a helpful "fix this" to the messages to be displayed to the user
$messages[] = pht(
'Please fix these errors and try again.',
count($messages));
return array(
$card_number_error,
$card_cvc_error,
$card_expiration_error,
$messages
);
}
private function logStripeError($message) {
phlog('STRIPE-ERROR '.$message);
}
}

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