static function put($product, $qty = 1)
{
if (!$product instanceof Product) {
$product = Product::find(static::idFrom($product));
}
if (!$product) {
$product = func_get_arg(0);
Log::warn_Cart("Unknown product [{$product}] to place in cart.");
} elseif (!$product->available) {
Log::warn_Cart("Attempting to place unavailable product [{$product->title}].");
} else {
$oldQty = static::qty($product) ?: null;
$qty = max(0, round(S::toFloat($qty), 2));
$key = 'cart_goods.' . $product->id;
if ($qty == 0) {
if ($oldQty) {
Session::forget($key);
Event::fire('cart.removed', array($product, &$oldQty));
}
} else {
$qty = max($product->min, $qty);
$product->fractable or $qty = ceil($qty);
if ($qty != $oldQty) {
Session::put($key, $qty);
Event::fire('cart.added', array($product, &$oldQty));
}
}
return $product;
}
}
