Код для ТДС корзины

// Добавление товара в корзину
if (Core_Array::getRequest('add')) {
	// Запрещаем индексацию страницы корзины
	Core_Page::instance()->response->header('X-Robots-Tag', 'none');
	$add = Core_Array::getRequest('add');
	!is_array($add) && ($add = [$add]);
	$count = Core_Array::getRequest('count', 1);
	!is_array($count) && ($count = [$count]);
	$oShop_Cart_Controller = Shop_Cart_Controller::instance();
	foreach ($add as $key => $shop_item_id) {
		$options = Core_Array::getRequest('option_' . $shop_item_id, []);
		!is_array($options) && ($options = [$options]);
		$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($options));
		$options = iterator_to_array($iterator, false);
		sort($options);
		$oShop_Cart_Controller
			->clear()
			->checkStock($bCheckStock)
			->options($options)
			->shop_item_id(intval($shop_item_id))
			->quantity(intval(Core_Array::get($count, $key, 1)))
			->add();
	}
}
if (Core_Array::getRequest('_', false) && Core_Array::getRequest('changeOption')) {
	$shop_item_id = intval(Core_Array::getGet('changeOption'));
	$aResult = [];
	ob_start();
	if ($shop_item_id) {
		HostDev_Shop_Option_Controller::CartChangeOption($shop_item_id, $bCheckStock);
	}
	$changeoption = ob_get_clean();
	ob_start(); // Краткая корзина
	$Little_Cart_Controller_Show = new Shop_Cart_Controller_Show($oShop);
	$Little_Cart_Controller_Show
		->xsl(Core_Entity::factory('Xsl')->getByName(Core_Array::get(Core_Page::instance()->libParams, 'littleCartXsl')))
		->couponText(Core_Str::stripTags(Core_Array::get(Core_Array::get($_SESSION, 'hostcmsOrder', []), 'coupon_text')))
		->show();
	$aResult['little'] = ob_get_clean();
	ob_start(); // Краткая корзина
	$Shop_Cart_Controller_Show = new Shop_Cart_Controller_Show($oShop);
	$Shop_Cart_Controller_Show
		->xsl(Core_Entity::factory('Xsl')->getByName(Core_Array::get(Core_Page::instance()->libParams, 'cartXsl')))
		->addEntity(Core::factory('Core_Xml_Entity')->name('change_option')->value($changeoption))
		->couponText(Core_Str::stripTags(Core_Array::get(Core_Array::get($_SESSION, 'hostcmsOrder', []), 'coupon_text')))
		->show();
	$aResult['cart'] = ob_get_clean();
	echo json_encode($aResult);
	exit();
}
// Ajax
if (Core_Array::getRequest('_', false) && (Core_Array::getRequest('add') || Core_Array::getRequest('loadCart'))) {
	ob_start(); // Краткая корзина
	$Shop_Cart_Controller_Show = new Shop_Cart_Controller_Show($oShop);
	$Shop_Cart_Controller_Show
		->xsl(Core_Entity::factory('Xsl')->getByName(Core_Array::get(Core_Page::instance()->libParams, 'littleCartXsl')))
		->couponText(Core_Str::stripTags(Core_Array::get(Core_Array::get($_SESSION, 'hostcmsOrder', []), 'coupon_text')))
		->show();
	echo json_encode(ob_get_clean());
	exit();
}
// Удаляение товара из корзины
if (Core_Array::getGet('delete')) {
	$shop_item_id = intval(Core_Array::getGet('delete'));
	if ($shop_item_id) {
		$options = Core_Array::getRequest('option_' . $shop_item_id, []);
		!is_array($options) && ($options = [$options]);
		$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($options));
		$options = iterator_to_array($iterator, false);
		sort($options);
		$oShop_Cart_Controller = Shop_Cart_Controller::instance();
		$oShop_Cart_Controller
			->clear()
			->options($options)
			->shop_item_id($shop_item_id)
			->delete();
		header('Location:' . Core::$url['path']);
		die();
	}
}
if (Core_Array::getPost('recount') || Core_Array::getPost('step') == 1) {
	$oShop_Cart_Controller = Shop_Cart_Controller::instance();
	$aCart = $oShop_Cart_Controller->getAll($oShop); // Склад по умолчанию
	$oShop_Warehouse = $oShop->Shop_Warehouses->getDefault();
	foreach ($aCart as $oShop_Cart) {
		$aOptions = $oShop_Cart->options;
		if (is_array($aOptions)) {
			if (sizeof($aOptions)) {
				$sOptions = '_' . implode('_', $aOptions);
			} else {
				$sOptions = '';
			}
		} else {
			$aOptions = [];
			$sOptions = '';
		}
		$quantity = Core_Array::getPost('quantity_' . $oShop_Cart->shop_item_id . $sOptions);
		// Количество было передано
		if (!is_null($quantity)) {
			$oShop_Cart_Controller
				->clear()
				->checkStock($bCheckStock)
				->shop_item_id($oShop_Cart->shop_item_id)
				->options($aOptions)
				->quantity($quantity)
				->postpone(is_null(Core_Array::getPost('postpone_' . $oShop_Cart->shop_item_id . $sOptions)) ? 0 : 1)
				->shop_warehouse_id(Core_Array::getPost('warehouse_' . $oShop_Cart->shop_item_id . $sOptions, !is_null($oShop_Warehouse) ? $oShop_Warehouse->id : 0))
				->update();
		}
	}
}
30.03.2023