/**
* This method does some validations before the system to provide payment methods.
*
* @param string $context This string gives information about that where it has been executed the trigger.
* @param stdClass $item A project data.
* @param Prism\Money\Money $money An Money object.
* @param Joomla\Registry\Registry $params The parameters of the component
*
* @throws \InvalidArgumentException
*
* @return null|string
*/
public function onBeforePaymentAuthorize($context, &$item, &$money, &$params)
{
if (strcmp('com_crowdfunding.before.payment.authorize', $context) !== 0) {
return null;
}
if ($this->app->isAdmin()) {
return null;
}
$doc = JFactory::getDocument();
/** @var $doc JDocumentHtml */
// Check document type
$docType = $doc->getType();
if (strcmp('html', $docType) !== 0) {
return null;
}
// Get user ID.
$userId = JFactory::getUser()->get('id');
$html = array();
// Display login form
if (!$userId) {
$html[] = '<p class="bg-warning p-5">';
$html[] = '<span class="fa fa-exclamation-triangle"></span>';
$html[] = JText::_('PLG_CROWDFUNDINGPAYMENT_FRAUD_PREVENTION_ERROR_NOT_REGISTERED');
$html[] = '</p>';
}
// Verifications
// Get component parameters
$componentParams = JComponentHelper::getParams('com_crowdfundingfinance');
/** @var $componentParams Joomla\Registry\Registry */
// Verify maximum allowed amount for contribution.
$allowedContributedAmount = $money->setAmount($componentParams->get('protection_max_contributed_amount'))->parse();
// Validate maximum allowed amount.
if ($allowedContributedAmount and $allowedContributedAmount < (double) $item->amount) {
$html[] = '<p class="bg-warning p-5">';
$html[] = '<span class="fa fa-exclamation-triangle"></span>';
$html[] = JText::sprintf('PLG_CROWDFUNDINGPAYMENT_FRAUD_PREVENTION_ERROR_CONTRIBUTION_AMOUNT_S', $money->setAmount($allowedContributedAmount)->formatCurrency());
$html[] = '</p>';
}
// Verify the number of payments per project.
$allowedPaymentsPerProject = (int) $componentParams->get('protection_payments_per_project');
if ($allowedPaymentsPerProject > 0) {
$userStatistics = new Crowdfunding\Statistics\User(JFactory::getDbo(), $userId);
$paymentsPerProject = (int) $userStatistics->getNumberOfPayments($item->id);
// Validate number of payments per project.
if ($paymentsPerProject >= $allowedPaymentsPerProject) {
$html[] = '<p class="bg-warning p-5">';
$html[] = '<span class="fa fa-exclamation-triangle"></span>';
$html[] = JText::sprintf('PLG_CROWDFUNDINGPAYMENT_FRAUD_PREVENTION_ERROR_PAYMENT_PER_PROJECT_D', $allowedPaymentsPerProject);
$html[] = '</p>';
}
}
return count($html) > 0 ? implode("\n", $html) : null;
}
