protected function preparePayment(&$paymentSession)
{
// If missing the flag "step1", redirect to first step.
if (!$paymentSession->step1) {
$this->app->enqueueMessage(JText::_("COM_CROWDFUNDING_ERROR_INVALID_AMOUNT"), "notice");
$this->app->redirect(JRoute::_(CrowdFundingHelperRoute::getBackingRoute($this->item->slug, $this->item->catslug), false));
}
// Check for both user states. The user must have only one state, registered or anonymous.
$userId = JFactory::getUser()->get("id");
$aUserId = $this->app->getUserState("auser_id");
if (!empty($userId) and !empty($aUserId) or empty($userId) and empty($aUserId)) {
// Reset anonymous hash user ID and redirect to first step.
$this->app->setUserState("auser_id", "");
// Reset the flag for step 1
$paymentSession->step1 = false;
$this->app->setUserState($this->paymentSessionContext, $paymentSession);
$this->app->redirect(JRoute::_(CrowdFundingHelperRoute::getBackingRoute($this->item->slug, $this->item->catslug), false));
}
if (!$this->item->days_left) {
// Reset the flag for step 1
$paymentSession->step1 = false;
$this->app->setUserState($this->paymentSessionContext, $paymentSession);
$this->app->enqueueMessage(JText::_("COM_CROWDFUNDING_ERROR_PROJECT_COMPLETED"), "notice");
$this->app->redirect(JRoute::_(CrowdFundingHelperRoute::getBackingRoute($this->item->slug, $this->item->catslug), false));
}
// Validate reward
$this->reward = null;
$keys = array("id" => $paymentSession->rewardId, "project_id" => $this->item->id);
jimport("crowdfunding.reward");
$this->reward = new CrowdFundingReward(JFactory::getDbo());
$this->reward->load($keys);
if ($this->reward->getId()) {
if ($this->reward->isLimited() and !$this->reward->getAvailable()) {
// Reset the flag for step 1
$paymentSession->step1 = false;
$this->app->setUserState($this->paymentSessionContext, $paymentSession);
$this->app->enqueueMessage(JText::_("COM_CROWDFUNDING_ERROR_REWARD_NOT_AVAILABLE"), "notice");
$this->app->redirect(JRoute::_(CrowdFundingHelperRoute::getBackingRoute($this->item->slug, $this->item->catslug), false));
}
}
// Validate amount
$this->amount = $paymentSession->amount;
if (!$this->amount) {
// Reset the flag for step 1
$paymentSession->step1 = false;
$this->app->setUserState($this->paymentSessionContext, $paymentSession);
$this->app->enqueueMessage(JText::_("COM_CROWDFUNDING_ERROR_INVALID_AMOUNT"), "notice");
$this->app->redirect(JRoute::_(CrowdFundingHelperRoute::getBackingRoute($this->item->slug, $this->item->catslug), false));
}
$item = new stdClass();
$item->id = $this->item->id;
$item->title = $this->item->title;
$item->slug = $this->item->slug;
$item->catslug = $this->item->catslug;
$item->rewardId = $paymentSession->rewardId;
$item->amount = $paymentSession->amount;
$item->currencyCode = $this->currency->getAbbr();
// Events
JPluginHelper::importPlugin('crowdfundingpayment');
$dispatcher = JEventDispatcher::getInstance();
$results = $dispatcher->trigger('onProjectPayment', array('com_crowdfunding.payment', &$item, &$this->params));
$this->item->event = new stdClass();
$this->item->event->onProjectPayment = trim(implode("\n", $results));
}
