public static function increaseInventory($id, $variation = '', $qty = 1)
{
Cart66Common::log("Increasing Inventory: line " . __LINE__);
// Build varation ikey string component
if (!empty($variation)) {
$variation = self::scrubVaritationsForIkey(str_replace(', ', '~', $variation));
}
$p = new Cart66Product($id);
$is_gravity_form = false;
$valid_options = array();
if ($p->isGravityProduct()) {
$valid_options = Cart66GravityReader::getFormValuesArray($p->gravity_form_id);
$is_gravity_form = true;
} else {
if (strlen($p->options_1) > 1) {
$valid_options[] = explode(',', str_replace(' ', '', $p->options_1));
}
if (strlen($p->options_2) > 1) {
$valid_options[] = explode(',', str_replace(' ', '', $p->options_2));
}
}
$newVariation = '';
$options = explode(',', $variation);
foreach ($options as $option) {
if ($p->validate_option($valid_options, $option, $is_gravity_form)) {
$newVariation .= $option;
}
}
$ikey = $p->getInventoryKey($newVariation);
$count = $p->getInventoryCount($ikey);
$newCount = $count + $qty;
$p->setInventoryLevel($ikey, $newCount);
}
