/**
* Implementation of hook_civicrm_membershipTypeValues()
*
* Allow discounts to be applied to renewing memberships.
*/
function cividiscount_civicrm_membershipTypeValues(&$form, &$membershipTypeValues)
{
// Ignore the thank you page.
if ($form->getVar('_name') == 'ThankYou') {
return;
}
// Only discount new or renewal memberships.
if (!($form->getVar('_action') & (CRM_Core_Action::ADD | CRM_Core_Action::RENEW))) {
return;
}
// Retrieve the contact_id depending on submission context.
// Look for contact_id in the form.
if ($form->getVar('_contactID')) {
$contact_id = $form->getVar('_contactID');
} else {
if (!empty($form->_submitValues['contact_select_id'][1])) {
$contact_id = $form->_submitValues['contact_select_id'][1];
} else {
$contact_id = CRM_Core_Session::singleton()->get('userID');
}
}
$form->set('_discountInfo', NULL);
$code = CRM_Utils_Request::retrieve('discountcode', 'String', $form, false, null, 'REQUEST');
$discountCalculator = new CRM_CiviDiscount_DiscountCalculator('membership', NULL, $contact_id, $code, FALSE);
if (!empty($code)) {
$discounts = $discountCalculator->getDiscounts();
}
if (!empty($code) && empty($discounts)) {
$form->set('discountCodeErrorMsg', ts('The discount code you entered is invalid.'));
}
if (empty($discounts)) {
return;
}
$discount = array_shift($discounts);
foreach ($membershipTypeValues as &$values) {
if (!empty($discount['memberships']) && CRM_Utils_Array::value($values['id'], $discount['memberships'])) {
list($value, $label) = _cividiscount_calc_discount($values['minimum_fee'], $values['name'], $discount, $discountCalculator->isAutoDiscount());
$values['minimum_fee'] = $value;
$values['name'] = $label;
}
}
$form->set('_discountInfo', array('discount' => $discount, 'autodiscount' => $discountCalculator->isAutoDiscount(), 'contact_id' => $contact_id));
}
/**
* @param string $discountCode
* @param array $price_set_amount
* @param $cost
*/
protected function apply_discount($discountCode, &$price_set_amount, &$cost, $event_id)
{
//need better way to determine if cividiscount installed
$autoDiscount = array();
$sql = "select is_active from civicrm_extension where name like 'CiviDiscount%'";
$dao = CRM_Core_DAO::executeQuery($sql, '');
while ($dao->fetch()) {
if ($dao->is_active != '1') {
return;
}
}
$discounted_priceset_ids = _cividiscount_get_discounted_priceset_ids();
$discounts = _cividiscount_get_discounts();
$stat = FALSE;
foreach ($discounts as $key => $discountValue) {
if ($key == $discountCode) {
$events = CRM_Utils_Array::value('events', $discountValue);
$evt_ids = implode(",", $events);
if ($evt_ids == "0" || strpos($evt_ids, $event_id)) {
$event_match = TRUE;
}
//check priceset is_active
if ($discountValue['active_on'] != NULL) {
$today = date('Y-m-d');
$diff1 = date_diff(date_create($today), date_create($discountValue['active_on']));
if ($diff1->days > 0) {
$active1 = TRUE;
}
} else {
$active1 = TRUE;
}
if ($discountValue['expire_on'] != NULL) {
$diff2 = date_diff(date_create($today), date_create($discountValue['expire_on']));
if ($diff2->days > 0) {
$active2 = TRUE;
}
} else {
$active2 = TRUE;
}
}
if ($discountValue['is_active'] == TRUE && ($discountValue['count_max'] == 0 || $discountValue['count_max'] > $discountValue['count_use']) && $active1 == TRUE && $active2 == TRUE && $event_match == TRUE) {
foreach ($price_set_amount as $key => $price) {
if (array_search($price['price_field_value_id'], $discounted_priceset_ids) != NULL) {
$discounted = _cividiscount_calc_discount($price['line_total'], $price['label'], $discountValue, $autoDiscount, "USD");
$price_set_amount[$key]['line_total'] = $discounted[0];
$cost += $discounted[0];
$price_set_amount[$key]['label'] = $discounted[1];
} else {
$cost += $price['line_total'];
}
}
$stat = TRUE;
}
}
return $stat;
}
