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|
<?php
namespace JMS\Payment\CoreBundle\Form;
use JMS\Payment\CoreBundle\Form\Transformer\ChoosePaymentMethodTransformer;
use JMS\Payment\CoreBundle\PluginController\PluginControllerInterface;
use JMS\Payment\CoreBundle\PluginController\Result;
use JMS\Payment\CoreBundle\Util\Legacy;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormError;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
/**
* Form Type for Choosing a Payment Method.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class ChoosePaymentMethodType extends AbstractType
{
private $pluginController;
private $paymentMethods;
private $transformer;
public function __construct(PluginControllerInterface $pluginController, array $paymentMethods)
{
if (!$paymentMethods) {
throw new \InvalidArgumentException('There is no payment method available. Did you forget to register concrete payment provider bundles such as JMSPaymentPaypalBundle?');
}
$this->pluginController = $pluginController;
$this->paymentMethods = $paymentMethods;
}
public function setDataTransformer(DataTransformerInterface $transformer)
{
$this->transformer = $transformer;
}
public function buildForm(FormBuilderInterface $builder, array $options)
{
$options['available_methods'] = $this->getPaymentMethods($options['allowed_methods']);
$this->buildChoiceList($builder, $options);
foreach ($options['available_methods'] as $method => $class) {
$methodOptions = isset($options['method_options'][$method]) ? $options['method_options'][$method] : array();
$builder->add('data_'.$method, $class, $methodOptions);
}
$self = $this;
$builder->addEventListener(FormEvents::POST_SUBMIT, function ($form) use ($self, $options) {
$self->validate($form, $options);
});
// To maintain BC, we instantiate a new ChoosePaymentMethodTransformer in
// case it hasn't been supplied.
$transformer = $this->transformer
? $this->transformer
: new ChoosePaymentMethodTransformer()
;
$transformer->setOptions($options);
$builder->addModelTransformer($transformer);
}
protected function buildChoiceList(FormBuilderInterface $builder, array $options)
{
$methods = $options['available_methods'];
$choiceOptions = $options['choice_options'];
$options = array_merge(array(
'expanded' => true,
'data' => $options['default_method'],
), $options);
// Remove unwanted options
$options = array_intersect_key($options, array_flip(array(
'expanded',
'data',
)));
$options = array_merge($options, $choiceOptions);
$options['choices'] = array();
foreach (array_keys($methods) as $method) {
$label = 'form.label.'.$method;
if (Legacy::formChoicesAsValues()) {
$options['choices'][$method] = $label;
} else {
$options['choices'][$label] = $method;
}
}
$type = Legacy::supportsFormTypeName()
? 'choice'
: 'Symfony\Component\Form\Extension\Core\Type\ChoiceType'
;
$builder->add('method', $type, $options);
}
public function validate(FormEvent $event, array $options)
{
$form = $event->getForm();
$instruction = $form->getData();
if (null === $instruction->getPaymentSystemName()) {
$form->addError(new FormError('form.error.payment_method_required'));
return;
}
if (!array_key_exists($instruction->getPaymentSystemName(), $options['available_methods'])) {
$form->addError(new FormError('form.error.invalid_payment_method'));
return;
}
$result = $this->pluginController->checkPaymentInstruction($instruction);
if (Result::STATUS_SUCCESS !== $result->getStatus()) {
$this->applyErrorsToForm($form, $result);
return;
}
$result = $this->pluginController->validatePaymentInstruction($instruction);
if (Result::STATUS_SUCCESS !== $result->getStatus()) {
$this->applyErrorsToForm($form, $result);
}
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setRequired(array(
'amount',
'currency',
));
$resolver->setDefaults(array(
'predefined_data' => array(),
'allowed_methods' => array(),
'default_method' => null,
'method_options' => array(),
'choice_options' => array(),
));
$allowedTypes = array(
'amount' => array('numeric', 'closure'),
'currency' => 'string',
'predefined_data' => 'array',
'allowed_methods' => 'array',
'default_method' => array('null', 'string'),
'method_options' => 'array',
'choice_options' => 'array',
);
if (Legacy::supportsFormTypeConfigureOptions()) {
$resolver->setAllowedTypes($allowedTypes);
} else {
foreach ($allowedTypes as $key => $value) {
$resolver->addAllowedTypes($key, $value);
}
}
}
public function getBlockPrefix()
{
return 'jms_choose_payment_method';
}
/**
* Legacy support for Symfony < 3.0.
*/
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$this->configureOptions($resolver);
}
/**
* Legacy support for Symfony < 3.0.
*/
public function getName()
{
return $this->getBlockPrefix();
}
private function applyErrorsToForm(FormInterface $form, Result $result)
{
$ex = $result->getPluginException();
$globalErrors = $ex->getGlobalErrors();
$dataErrors = $ex->getDataErrors();
// add a generic error message
if (!$dataErrors && !$globalErrors) {
$form->addError(new FormError('form.error.invalid_payment_instruction'));
return;
}
foreach ($globalErrors as $error) {
$form->addError(new FormError($error));
}
foreach ($dataErrors as $path => $error) {
$path = explode('.', $path);
$field = $form;
do {
$field = $field->get(array_shift($path));
} while ($path);
$field->addError(new FormError($error));
}
}
private function getPaymentMethods($allowedMethods)
{
$allowAllMethods = empty($allowedMethods);
$availableMethods = array();
foreach ($this->paymentMethods as $methodKey => $methodClass) {
if (!$allowAllMethods && !in_array($methodKey, $allowedMethods, true)) {
continue;
}
$availableMethods[$methodKey] = $methodClass;
}
if (empty($availableMethods)) {
throw new \RuntimeException(sprintf(
'You have not selected any payment methods. Available methods: "%s"',
implode(', ', $this->paymentMethods)
));
}
return $availableMethods;
}
} |
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