/**
* Get Stock Data
*
* @param StockItemInterface $stockItem
* @return array
*/
private function getData(StockItemInterface $stockItem)
{
$result = $stockItem->getData();
$result[StockItemInterface::MANAGE_STOCK] = (int) $stockItem->getManageStock();
$result[StockItemInterface::QTY] = (double) $stockItem->getQty();
$result[StockItemInterface::MIN_QTY] = (double) $stockItem->getMinQty();
$result[StockItemInterface::MIN_SALE_QTY] = (double) $stockItem->getMinSaleQty();
$result[StockItemInterface::MAX_SALE_QTY] = (double) $stockItem->getMaxSaleQty();
$result[StockItemInterface::IS_QTY_DECIMAL] = (int) $stockItem->getIsQtyDecimal();
$result[StockItemInterface::IS_DECIMAL_DIVIDED] = (int) $stockItem->getIsDecimalDivided();
$result[StockItemInterface::BACKORDERS] = (int) $stockItem->getBackorders();
$result[StockItemInterface::NOTIFY_STOCK_QTY] = (double) $stockItem->getNotifyStockQty();
$result[StockItemInterface::ENABLE_QTY_INCREMENTS] = (int) $stockItem->getEnableQtyIncrements();
$result[StockItemInterface::QTY_INCREMENTS] = (double) $stockItem->getQtyIncrements();
$result[StockItemInterface::IS_IN_STOCK] = (int) $stockItem->getIsInStock();
return $result;
}
/**
* Returns suggested qty that satisfies qty increments and minQty/maxQty/minSaleQty/maxSaleQty conditions
* or original qty if such value does not exist
*
* @param StockItemInterface $stockItem
* @param int|float $qty
* @return int|float
*/
public function suggestQty(StockItemInterface $stockItem, $qty)
{
// We do not manage stock
if ($qty <= 0 || !$stockItem->getManageStock()) {
return $qty;
}
$qtyIncrements = (int) $stockItem->getQtyIncrements();
// Currently only integer increments supported
if ($qtyIncrements < 2) {
return $qty;
}
$minQty = max($stockItem->getMinSaleQty(), $qtyIncrements);
$divisibleMin = ceil($minQty / $qtyIncrements) * $qtyIncrements;
$maxQty = min($stockItem->getQty() - $stockItem->getMinQty(), $stockItem->getMaxSaleQty());
$divisibleMax = floor($maxQty / $qtyIncrements) * $qtyIncrements;
if ($qty < $minQty || $qty > $maxQty || $divisibleMin > $divisibleMax) {
// Do not perform rounding for qty that does not satisfy min/max conditions to not confuse customer
return $qty;
}
// Suggest value closest to given qty
$closestDivisibleLeft = floor($qty / $qtyIncrements) * $qtyIncrements;
$closestDivisibleRight = $closestDivisibleLeft + $qtyIncrements;
$acceptableLeft = min(max($divisibleMin, $closestDivisibleLeft), $divisibleMax);
$acceptableRight = max(min($divisibleMax, $closestDivisibleRight), $divisibleMin);
return abs($acceptableLeft - $qty) < abs($acceptableRight - $qty) ? $acceptableLeft : $acceptableRight;
}
