OpenCart 🇺🇦

$this->log('putStockUpdate()');
$this->log('putStockUpdate() - New local stock: '.$stock);

$listing    = $this->call('item/getItem', array('itemId' => $item_id));
$product_id = $this->getProductId($item_id);
$reserve    = $this->getReserve($product_id, $item_id, ($sku != null ? $sku : ''));

if($listing['status'] == 1 ) {
	if($reserve != false) {
		$this->log('putStockUpdate() - Reserve stock: '.$reserve);

		if($stock > $reserve) {
			$this->log('putStockUpdate() - Stock is larger than reserve, setting level to reserve');
			$stock = $reserve;
		}
	}

	if($sku == null) {
		$this->log('putStockUpdate() - Listing stock: '.$listing['qty'].', new stock: '.$stock);

		if($stock <= 0) {
			if ($this->config->get('ebay_disable_nostock') == 1) {
				$this->disableProduct($product_id);
			}

			$this->endItem($item_id);
			return true;
		}elseif($listing['qty'] != $stock) {
			$this->call('item/reviseStock/', array('itemId' => $item_id, 'stock' => $stock));
			$this->log('putStockUpdate() - OK');
			return true;
		}else{
			$this->log('putStockUpdate() - No update needed');
			return false;
		}
	}else{
		// Need to loop over current item check if other variants have stock
		$variantStock = false;
		foreach($listing['variation']['vars'] as $var) {
			if(($var['sku'] != $sku) && ($var['qty'] > 0)) {
				//other variations have stock
				$variantStock = true;
				$this->log('Another variation has stock (SKU: '.$var['sku'].')');
				break;
			}
		}

		if ($stock <= 0) {
			if ($this->config->get('ebay_disable_nostock') == 1) {
				$this->disableVariant($product_id, $sku);
			}
		}

		if($variantStock == true || $stock > 0) {
			$this->log('putStockUpdate() - Revising item with Item ID "'.$item_id.'" to stock level "'.$stock.'", sku "'.$sku.'"');
			$this->call('item/reviseStock/', array('itemId' => $item_id, 'stock' => $stock, 'sku' => $sku));
			return true;
		}else{
			$this->log('putStockUpdate() - Sending end for item, no variants have stock!');
			$this->endItem($item_id);
		}
	}
}else{
	$this->removeItemByItemId($item_id);
	$this->log('putStockUpdate() - Listing not active, item id: '. $item_id .', status returned: '.$listing['statusActual']);
}