Stevebauman\Inventory\Traits\InventoryTransactionTrait::soldAmount PHP Метод

    public function soldAmount($quantity, $reason = '', $cost = 0)
    {
        // Only allow a previous state of null or opened
        $this->validatePreviousState([null, $this::STATE_OPENED], $this::STATE_COMMERCE_SOLD);
        // Mark the current state sold
        $this->setAttribute('state', $this::STATE_COMMERCE_SOLD);
        $this->setAttribute('quantity', $quantity);
        if (empty($reason)) {
            $reason = $this->getTransactionReason('sold-amount');
        }
        return $this->processStockTakeAndSave($quantity, 'inventory.transaction.sold', $reason, $cost);
    }