function preProcess()
{
$cid = CRM_Utils_Request::retrieve('cid', 'Positive', $this, FALSE);
$oid = CRM_Utils_Request::retrieve('oid', 'Positive', $this, FALSE);
if ($oid) {
$this->_id = CRM_Utils_Request::retrieve('oid', 'Positive', $this, FALSE);
} else {
$this->assign('hide_contact', TRUE);
$this->_id = $cid;
}
if (!CRM_Utils_Rule::positiveInteger($this->_id)) {
CRM_Core_Error::fatal('We need a valid discount ID for view');
}
$this->assign('id', $this->_id);
$defaults = array();
$params = array('id' => $this->_id);
require_once 'CRM/CiviDiscount/BAO/Item.php';
CRM_CiviDiscount_BAO_Item::retrieve($params, $defaults);
require_once 'CRM/CiviDiscount/BAO/Track.php';
if ($cid) {
$rows = CRM_CiviDiscount_BAO_Track::getUsageByContact($this->_id);
} else {
$rows = CRM_CiviDiscount_BAO_Track::getUsageByOrg($this->_id);
}
$this->assign('rows', $rows);
$this->assign('code_details', $defaults);
$this->ajaxResponse['tabCount'] = count($rows);
if (!empty($defaults['code'])) {
CRM_Utils_System::setTitle($defaults['code']);
}
}