/**
* Initialization coupon manager.
*
* @param int $mode Discount manager mode.
* @param array $params Initial params (userId, orderId).
* keys are case sensitive:
* <ul>
* <li>int userId Order owner (for MODE_MANAGER or MODE_ORDER only)
* <li>int orderId Edit order id (for MODE_ORDER only(!))
* <li>int oldUserId Old order owner for MODE_MANAGER or MODE_ORDER only)
* </ul>.
* @param bool $clearStorage Clear coupon session storage.
* @return void
*/
public static function init($mode = self::MODE_CLIENT, $params = array(), $clearStorage = false)
{
if (self::$init) {
return;
}
self::$couponTypes = Internals\DiscountCouponTable::getCouponTypes(true);
self::$couponIndex = 0;
self::clearErrors();
self::initUseDiscount();
self::initUseMode($mode, $params);
if (!self::isSuccess()) {
return;
}
if (self::$useMode != self::MODE_SYSTEM) {
self::clear($clearStorage);
$couponsList = array();
switch (self::$useMode) {
case self::MODE_CLIENT:
case self::MODE_EXTERNAL:
if (!empty($_SESSION[self::STORAGE_CLIENT_COUPONS]) && is_array($_SESSION[self::STORAGE_CLIENT_COUPONS])) {
$couponsList = $_SESSION[self::STORAGE_CLIENT_COUPONS];
}
break;
case self::MODE_MANAGER:
if (!empty($_SESSION[self::STORAGE_MANAGER_COUPONS]) && !empty($_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId]) && is_array($_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId])) {
$couponsList = $_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId];
}
break;
case self::MODE_ORDER:
self::load();
if (!empty($_SESSION[self::STORAGE_MANAGER_COUPONS]) && !empty($_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId]) && is_array($_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId])) {
$couponsList = $_SESSION[self::STORAGE_MANAGER_COUPONS][self::$userId];
}
break;
}
if (!empty($couponsList)) {
self::setCoupons($couponsList);
}
unset($couponsList);
if (self::$useMode == self::MODE_ORDER) {
self::saveToStorage();
}
}
self::$init = true;
}
