/**
* This method validates project data before a user launch its campaign.
* It works only on front-end.
*
* @param string $context
* @param stdClass $item
* @param Joomla\Registry\Registry $params
* @param int $state
*
* @return null|array
*/
public function onContentValidateChangeState($context, &$item, &$params, $state)
{
if (strcmp('com_crowdfunding.projects.changestate', $context) !== 0) {
return null;
}
// This validation have to be processed when the state is for launching (publishing) campaign.
if ((int) $state !== 1) {
return null;
}
if ($this->app->isAdmin()) {
return null;
}
$doc = JFactory::getDocument();
/** @var $doc JDocumentHtml */
// Check document type
$docType = $doc->getType();
if (strcmp('html', $docType) !== 0) {
return null;
}
$result = array('success' => false, 'message' => '');
// Get user ID.
$userId = JFactory::getUser()->get('id');
// Get component parameters
$componentParams = JComponentHelper::getParams('com_crowdfundingfinance');
/** @var $componentParams Joomla\Registry\Registry */
// Verify the number of campaigns per user at one time.
$allowedActiveCampaigns = (int) $componentParams->get('protection_active_projects');
if ($allowedActiveCampaigns > 0) {
// Get the number of active projects for a user.
$userStatistics = new Crowdfunding\Statistics\User(JFactory::getDbo(), $userId);
$activeCampaigns = (int) $userStatistics->getNumberOfActiveCampaigns();
// Validate number of active campaigns per user.
if ($activeCampaigns >= $allowedActiveCampaigns) {
$result['message'] = JText::sprintf('PLG_CONTENT_CROWDFUNDINGFRAUDPREVENTION_ERROR_ACTIVE_PROJECTS_D', $allowedActiveCampaigns);
return $result;
}
}
// Verify the number of campaigns per user per year.
$allowedCampaignsPerYear = (int) $componentParams->get('protection_projects_per_year');
if ($allowedCampaignsPerYear > 0) {
// Get the number of active projects for a user.
$userStatistics = new Crowdfunding\Statistics\User(JFactory::getDbo(), $userId);
$numberOfCampaigns = (int) $userStatistics->getNumberOfCampaignsInPeriod();
// Validate number of campaigns per year.
if ($numberOfCampaigns >= $allowedCampaignsPerYear) {
$result['message'] = JText::sprintf('PLG_CONTENT_CROWDFUNDINGFRAUDPREVENTION_ERROR_PROJECTS_YEAR_D', $allowedCampaignsPerYear);
return $result;
}
}
// Validation completed successfully.
$result = array('success' => true);
return $result;
}
