<?php
/*
* 2007-2011 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2011 PrestaShop SA
*  @version  Release: $Revision: 1.4 $
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

define('_CUSTOMIZE_FILE_', 0);
define('_CUSTOMIZE_TEXTFIELD_', 1);

class ProductCore extends ObjectModel
{
	/** @var string Tax name */
	public		$tax_name;

	/** @var string Tax rate */
	public		$tax_rate;

	/** @var string Tax rules group */
	public 		$id_tax_rules_group;

	/** @var integer Manufacturer id */
	public		$id_manufacturer;

	/** @var integer Supplier id */
	public		$id_supplier;

	/** @var integer default Category id */
	public 		$id_category_default;

	/** @var integer default Attribute id if color picker is enabled */
	public 		$id_color_default;

	/** @var string Manufacturer name */
	public		$manufacturer_name;

	/** @var string Supplier name */
	public		$supplier_name;

	/** @var string Name */
	public 		$name;

	/** @var string Long description */
	public 		$description;

	/** @var string Short description */
	public 		$description_short;

	/** @var integer Quantity available */
	public 		$quantity = 0;

	/** @var integer Minimal quantity for add to cart */
	public      $minimal_quantity = 0;

	/** @var string available_now */
	public 		$available_now;

	/** @var string available_later */
	public 		$available_later;

	/** @var float Price in euros */
	public 		$price = 0;

	/** @var float Additional shipping cost */
	public 		$additional_shipping_cost = 0;

	/** @var float Wholesale Price in euros */
	public 		$wholesale_price = 0;

	/** @var boolean on_sale */
	public 		$on_sale = false;

	/** @var boolean online_only */
	public 		$online_only = false;

	/** @var string unity */
	public		$unity = NULL;

    	/** @var float price for product's unity */
	public		$unit_price;

    	/** @var float price for product's unity ratio */
	public		$unit_price_ratio = 0;

	/** @var float Ecotax */
	public		$ecotax = 0;

	/** @var string Reference */
	public 		$reference;

	/** @var string Supplier Reference */
	public 		$supplier_reference;

	/** @var string Location */
	public 		$location;

	/** @var string Width in default width unit */
	public 		$width = 0;

	/** @var string Height in default height unit */
	public 		$height = 0;

	/** @var string Depth in default depth unit */
	public 		$depth = 0;

	/** @var string Weight in default weight unit */
	public 		$weight = 0;

	/** @var string Ean-13 barcode */
	public 		$ean13;

	/** @var string Upc barcode */
	public 		$upc;

	/** @var string Friendly URL */
	public 		$link_rewrite;

	/** @var string Meta tag description */
	public 		$meta_description;

	/** @var string Meta tag keywords */
	public 		$meta_keywords;

	/** @var string Meta tag title */
	public 		$meta_title;

	/** @var integer Out of stock behavior */
	public		$out_of_stock = 2;

	/** @var boolean Product statuts */
	public		$quantity_discount = 0;

	/** @var boolean Product customization */
	public		$customizable;

	/** @var boolean Product is new */
	public		$new = NULL;

	/** @var integer Number of uploadable files (concerning customizable products) */
	public		$uploadable_files;

	/** @var interger Number of text fields */
	public		$text_fields;

	/** @var boolean Product statuts */
	public		$active = 1;

	/** @var boolean Product available for order */
	public		$available_for_order = 1;

	/** @var enum Product condition (new, used, refurbished) */
	public		$condition;

	/** @var boolean Show price of Product */
	public		$show_price = 1;

	public		$indexed = 0;

	/** @var string Object creation date */
	public 		$date_add;

	/** @var string Object last modification date */
	public 		$date_upd;

	/*** @var array Tags */
	public		$tags;

	public $cache_is_pack;
	public $cache_has_attachments;
	public $cache_default_attribute;

	public	static $_taxCalculationMethod = PS_TAX_EXC;
	protected static $_prices = array();
	protected static $_pricesLevel2 = array();
	protected static $_pricesLevel3 = array();
	protected static $_incat = array();
	protected static $_cart_quantity = array();
	protected static $_tax_rules_group = array();
	protected static $_cacheFeatures = array();
	protected static $_frontFeaturesCache = array();

	/** @var array tables */
	protected $tables = array ('product', 'product_lang');

	protected $fieldsRequired = array('quantity', 'price');
	protected $fieldsSize = array('reference' => 32, 'supplier_reference' => 32, 'location' => 64, 'ean13' => 13, 'upc' => 12, 'unity' => 10);
	protected $fieldsValidate = array(
		'id_tax_rules_group' => 'isUnsignedId',
		'id_manufacturer' => 'isUnsignedId',
		'id_supplier' => 'isUnsignedId',
		'id_category_default' => 'isUnsignedId',
		'id_color_default' => 'isUnsignedInt', /* unsigned integer because its value could be 0 if the feature is disabled */
		'minimal_quantity' => 'isUnsignedInt',
		'price' => 'isPrice',
		'additional_shipping_cost' => 'isPrice',
		'wholesale_price' => 'isPrice',
		'on_sale' => 'isBool',
		'online_only' => 'isBool',
		'ecotax' => 'isPrice',
		'unit_price' => 'isPrice',
		'unity' => 'isString',
		'reference' => 'isReference',
    	'supplier_reference' => 'isReference',
		'location' => 'isReference',
		'width' => 'isFloat',
		'height' => 'isFloat',
		'depth' => 'isFloat',
		'weight' => 'isFloat',
		'out_of_stock' => 'isUnsignedInt',
		'quantity_discount' => 'isBool',
		'customizable' => 'isUnsignedInt',
		'uploadable_files' => 'isUnsignedInt',
		'text_fields' => 'isUnsignedInt',
		'active' => 'isBool',
		'available_for_order' => 'isBool',
		'condition' => 'isGenericName',
		'show_price' => 'isBool',
		'ean13' => 'isEan13',
		'upc' => 'isUpc',
		'indexed' => 'isBool',
		'cache_is_pack' => 'isBool',
		'cache_has_attachments' => 'isBool'
	);
	protected $fieldsRequiredLang = array('link_rewrite', 'name');
	/* Description short is limited to 400 chars, but without html, so it can't be generic */
	protected $fieldsSizeLang = array('meta_description' => 255, 'meta_keywords' => 255,
		'meta_title' => 128, 'link_rewrite' => 128, 'name' => 128, 'available_now' => 255, 'available_later' => 255);
	protected $fieldsValidateLang = array(
		'meta_description' => 'isGenericName', 'meta_keywords' => 'isGenericName',
		'meta_title' => 'isGenericName', 'link_rewrite' => 'isLinkRewrite', 'name' => 'isCatalogName',
		'description' => 'isString', 'description_short' => 'isString', 'available_now' => 'isGenericName', 'available_later' => 'IsGenericName');

	protected 	$table = 'product';
	protected 	$identifier = 'id_product';

	protected	$webserviceParameters = array(
		'objectNodeNames' => 'products',
		'fields' => array(
			'id_manufacturer' => array('xlink_resource' => 'manufacturers'),
			'id_supplier' => array('xlink_resource' => 'suppliers'),
			'id_category_default' => array('xlink_resource' => 'categories'),
			'out_of_stock' => array('required' => true),
			'new' => array(),
			'cache_default_attribute' => array(),
			'id_default_image' => array('getter' => 'getCoverWs', 'setter' => '', 'xlink_resource' => array('resourceName' => 'images', 'subResourceName' => 'products')),
			),
		'associations' => array(
			'categories' => array('resource' => 'category', 'fields' => array(
				'id' => array('required' => true),
			)),
			'images' => array('resource' => 'image','fields' => array('id' => array())
			),
		),
	);

	public function getCoverWs()
	{
		$result = $this->getCover($this->id);
		return $result['id_image'];
	}

	public function	getWsImages()
	{
		//d('a');
		return Db::getInstance()->ExecuteS('
		SELECT `id_image` as id
		FROM `'._DB_PREFIX_.'image` 
		WHERE `id_product` = '.(int)($this->id).'
		ORDER BY `position`');
	}
	
	
	
	public	function __construct($id_product = NULL, $full = false, $id_lang = NULL)
	{
		global $cart;

		parent::__construct($id_product, $id_lang);
		if ($full AND $this->id)
		{
			$this->tax_name = 'deprecated'; // The applicable tax may be BOTH the product one AND the state one (moreover this variable is some deadcode)
			$this->manufacturer_name = Manufacturer::getNameById((int)$this->id_manufacturer);
			$this->supplier_name = Supplier::getNameById((int)$this->id_supplier);
			self::$_tax_rules_group[$this->id] = $this->id_tax_rules_group;
			if (is_object($cart) AND $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')} != NULL)
				$this->tax_rate = Tax::getProductTaxRate($this->id, $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
			else
				$this->tax_rate = Tax::getProductTaxRate($this->id, NULL);
			$this->new = $this->isNew();
			$this->price = Product::getPriceStatic((int)($this->id), false, NULL, 6, NULL, false, true, 1, false, NULL, NULL, NULL, $this->specificPrice);
			$this->unit_price = ($this->unit_price_ratio != 0  ? $this->price / $this->unit_price_ratio : 0);
			if ($this->id)
				$this->tags = Tag::getProductTags((int)$this->id);
		}

		if ($this->id_category_default)
			$this->category = Category::getLinkRewrite((int)$this->id_category_default, (int)$id_lang);
	}

	public function getFields()
	{
		parent::validateFields();
		if (isset($this->id))
			$fields['id_product'] = (int)($this->id);
		$fields['id_tax_rules_group'] = (int)($this->id_tax_rules_group);
		$fields['id_manufacturer'] = (int)($this->id_manufacturer);
		$fields['id_supplier'] = (int)($this->id_supplier);
		$fields['id_category_default'] = (int)($this->id_category_default);
		$fields['id_color_default'] = (int)($this->id_color_default);
		$fields['quantity'] = (int)($this->quantity);
		$fields['minimal_quantity'] = (int)($this->minimal_quantity);
		$fields['price'] = (float)($this->price);
		$fields['additional_shipping_cost'] = (float)($this->additional_shipping_cost);
		$fields['wholesale_price'] = (float)($this->wholesale_price);
		$fields['on_sale'] = (int)($this->on_sale);
		$fields['online_only'] = (int)($this->online_only);
		$fields['ecotax'] = (float)($this->ecotax);
		$fields['unity'] = pSQL($this->unity);
    	$fields['unit_price_ratio'] = (float)($this->unit_price > 0 ? $this->price / $this->unit_price : 0);
		$fields['ean13'] = pSQL($this->ean13);
		$fields['upc'] = pSQL($this->upc);
		$fields['reference'] = pSQL($this->reference);
		$fields['supplier_reference'] = pSQL($this->supplier_reference);
		$fields['location'] = pSQL($this->location);
		$fields['width'] = (float)($this->width);
		$fields['height'] = (float)($this->height);
		$fields['depth'] = (float)($this->depth);
		$fields['weight'] = (float)($this->weight);
		$fields['out_of_stock'] = pSQL($this->out_of_stock);
		$fields['quantity_discount'] = (int)($this->quantity_discount);
		$fields['customizable'] = (int)($this->customizable);
		$fields['uploadable_files'] = (int)($this->uploadable_files);
		$fields['text_fields'] = (int)($this->text_fields);
		$fields['active'] = (int)($this->active);
		$fields['available_for_order'] = (int)($this->available_for_order);
		$fields['condition'] = pSQL($this->condition);
		$fields['show_price'] = (int)($this->show_price);
		$fields['indexed'] = 0; // Reset indexation every times
		$fields['cache_is_pack'] = (int)($this->cache_is_pack);
		$fields['cache_has_attachments'] = (int)($this->cache_has_attachments);
		$fields['cache_default_attribute'] = (int)($this->cache_default_attribute);
		$fields['date_add'] = pSQL($this->date_add);
		$fields['date_upd'] = pSQL($this->date_upd);

		return $fields;
	}

	/**
	* Check then return multilingual fields for database interaction
	*
	* @return array Multilingual fields
	*/
	public function getTranslationsFieldsChild()
	{
		self::validateFieldsLang();

		$fieldsArray = array('meta_description', 'meta_keywords', 'meta_title', 'link_rewrite', 'name', 'available_now', 'available_later');
		$fields = array();
		$languages = Language::getLanguages(false);
		$defaultLanguage = Configuration::get('PS_LANG_DEFAULT');
		foreach ($languages as $language)
		{
			$fields[$language['id_lang']]['id_lang'] = $language['id_lang'];
			$fields[$language['id_lang']][$this->identifier] = (int)($this->id);
			$fields[$language['id_lang']]['description'] = (isset($this->description[$language['id_lang']])) ? pSQL($this->description[$language['id_lang']], true) : '';
			$fields[$language['id_lang']]['description_short'] = (isset($this->description_short[$language['id_lang']])) ? pSQL($this->description_short[$language['id_lang']], true) : '';
			foreach ($fieldsArray as $field)
			{
				if (!Validate::isTableOrIdentifier($field))
					die(Tools::displayError());

				/* Check fields validity */
				if (isset($this->{$field}[$language['id_lang']]) AND !empty($this->{$field}[$language['id_lang']]))
					$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$language['id_lang']]);
				elseif (in_array($field, $this->fieldsRequiredLang))
				{
					if ($this->{$field} != '')
						$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$defaultLanguage]);
				}
				else
					$fields[$language['id_lang']][$field] = '';
			}
		}
		return $fields;
	}

	public static function initPricesComputation($id_customer = NULL)
	{
		global $cookie;

		if ($id_customer)
		{
			$customer = new Customer((int)($id_customer));
			if (!Validate::isLoadedObject($customer))
				die(Tools::displayError());
			self::$_taxCalculationMethod = Group::getPriceDisplayMethod((int)($customer->id_default_group));
		}
		elseif ($cookie->id_customer)
		{
			$customer = new Customer((int)($cookie->id_customer));
			self::$_taxCalculationMethod = Group::getPriceDisplayMethod((int)($customer->id_default_group));
		}
		else
			self::$_taxCalculationMethod = Group::getDefaultPriceDisplayMethod();
	}

	public static function getTaxCalculationMethod($id_customer = NULL)
	{
		if ($id_customer)
			self::initPricesComputation((int)($id_customer));
		return (int)(self::$_taxCalculationMethod);
	}

	/**
	 * Move a product inside its category
	 * @param boolean $way Up (1)  or Down (0)
	 * @param integer $position
	 * return boolean Update result
	 */
	public function updatePosition($way, $position)
	{
		if (!$res = Db::getInstance()->ExecuteS('
			SELECT cp.`id_product`, cp.`position`, cp.`id_category`
			FROM `'._DB_PREFIX_.'category_product` cp
			WHERE cp.`id_category` = '.(int)(Tools::getValue('id_category', 1)).'
			ORDER BY cp.`position` ASC'
		))
			return false;

		foreach ($res AS $product)
			if ((int)($product['id_product']) == (int)($this->id))
				$movedProduct = $product;

		if (!isset($movedProduct) || !isset($position))
			return false;

		// < and > statements rather than BETWEEN operator
		// since BETWEEN is treated differently according to databases
		return (Db::getInstance()->Execute('
			UPDATE `'._DB_PREFIX_.'category_product`
			SET `position`= `position` '.($way ? '- 1' : '+ 1').'
			WHERE `position`
			'.($way
				? '> '.(int)($movedProduct['position']).' AND `position` <= '.(int)($position)
				: '< '.(int)($movedProduct['position']).' AND `position` >= '.(int)($position)).'
			AND `id_category`='.(int)($movedProduct['id_category']))
		AND Db::getInstance()->Execute('
			UPDATE `'._DB_PREFIX_.'category_product`
			SET `position` = '.(int)($position).'
			WHERE `id_product` = '.(int)($movedProduct['id_product']).'
			AND `id_category`='.(int)($movedProduct['id_category'])));
	}

	/*
	 * Reorder product position in category $id_category.
	 * Call it after deleting a product from a category.
	 *
	 * @param int $id_category
	 */
	public static function cleanPositions($id_category)
	{
    $return = true;

		$result = Db::getInstance()->ExecuteS('
		SELECT `id_product`
		FROM `'._DB_PREFIX_.'category_product`
		WHERE `id_category` = '.(int)($id_category).'
		ORDER BY `position`');
		$sizeof = sizeof($result);

		for ($i = 0; $i < $sizeof; $i++)
			$return &= Db::getInstance()->Execute($sql='
			UPDATE `'._DB_PREFIX_.'category_product`
			SET `position` = '.(int)($i).'
			WHERE `id_category` = '.(int)($id_category).'
			AND `id_product` = '.(int)($result[$i]['id_product']));
		return $return;
	}

	/**
	* Get the default attribute for a product
	*
	* @return int Attributes list
	*/
	public static function getDefaultAttribute($id_product, $minimumQuantity = 0)
	{
		$sql = 'SELECT `id_product_attribute`
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `default_on` = 1 '.((int)($minimumQuantity) > 0 ? 'AND `quantity` >= '.(int)($minimumQuantity).' ' : '').'AND `id_product` = '.(int)($id_product);
		$result = Db::getInstance()->getRow($sql);
		if (!$result)
			$result = Db::getInstance()->getRow('
			SELECT `id_product_attribute`
			FROM `'._DB_PREFIX_.'product_attribute`
			WHERE '.((int)($minimumQuantity) > 0 ? '`quantity` >= '.(int)($minimumQuantity).' AND ' : '').'`id_product` = '.(int)($id_product));
		if (!$result)
			$result = Db::getInstance()->getRow('
			SELECT `id_product_attribute`
			FROM `'._DB_PREFIX_.'product_attribute`
			WHERE `id_product` = '.(int)($id_product));
		return $result['id_product_attribute'];
	}

	public static function updateDefaultAttribute($id_product)
	{
		$id_product_attribute = self::getDefaultAttribute($id_product);
		Db::getInstance()->Execute('UPDATE '._DB_PREFIX_.'product SET cache_default_attribute = '.(int)($id_product_attribute).' WHERE id_product = '.(int)($id_product_attribute).' LIMIT 1');
	}

	public function validateFieldsLang($die = true, $errorReturn = false)
	{
		if (!is_array($this->description_short))
			$this->description_short = array();
		foreach ($this->description_short as $k => $value)
			if (Tools::strlen(strip_tags($value)) > 400)
			{
				if ($die) die (Tools::displayError().' ('.get_class($this).'->description: length > 400 for language '.$k.')');
				return $errorReturn ? get_class($this).'->'.Tools::displayError('description: length > 400 for language').' '.$k : false;
			}
		return parent::validateFieldsLang($die, $errorReturn);
	}

	public function delete()
	{
		Hook::deleteProduct($this);
		if (!parent::delete() OR
			!$this->deleteCategories(true) OR
			!$this->deleteImages() OR
			!$this->deleteProductAttributes() OR
			!$this->deleteProductFeatures() OR
			!$this->deleteTags() OR
			!$this->deleteCartProducts() OR
        	!$this->deleteAttributesImpacts() OR
			!$this->deleteAttachments() OR
			!$this->deleteCustomization() OR
			!SpecificPrice::deleteByProductId((int)($this->id)) OR
			!$this->deletePack() OR
			!$this->deleteProductSale() OR
			!$this->deleteSceneProducts() OR
			!$this->deleteSearchIndexes() OR
			!$this->deleteAccessories() OR
			!$this->deleteFromAccessories())
		return false;
		if ($id = ProductDownload::getIdFromIdProduct($this->id))
			if ($productDownload = new ProductDownload($id) AND !$productDownload->delete(true))
				return false;
		return true;
	}

	public function deleteSelection($products)
	{
		$return = 1;
		foreach ($products AS $id_product)
		{
			$product = new Product((int)($id_product));
			$return &= $product->delete();
		}
		return $return;
	}

	/**
	 * @deprecated
	 * @param string $reference
	 */
	public static function getByReference($reference)
	{
		Tools::displayAsDeprecated();
		if (!Validate::isReference($reference))
			die(Tools::displayError());

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT `id_product`
		FROM `'._DB_PREFIX_.'product` p
		WHERE p.`reference` = \''.pSQL($reference).'\'');
		if (!isset($result['id_product']))
			return false;

		return new self((int)$result['id_product']);
	}

	/**
	 * addToCategories add this product to the category/ies if not exists.
	 *
	 * @param mixed $categories id_category or array of id_category
	 * @return boolean true if succeed
	 */
	public function addToCategories($categories = array())
	{
		if (empty($categories))
			return false;

		if (!is_array($categories))
			$categories=array($categories);

		if (!sizeof($categories))
			return false;

		$currentCategories = $this->getCategories();

		// for new categ, put product at last position
		$resCategNewPos = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS($sql='SELECT id_category, MAX(position)+1 newPos
			FROM `'._DB_PREFIX_.'category_product`
			WHERE `id_category` IN('.implode(',', array_map('intval', $categories)).')
			GROUP BY id_category');
		foreach ($resCategNewPos as $array)
		{
			$newCategories[$array['id_category']] = $array['newPos'];
		}

		$newCategPos=array();
		foreach ($categories as $id_category)
			$newCategPos[$id_category] = isset($newCategories[$id_category])?$newCategories[$id_category]['newPos']:0;

		$productCats = array();

		foreach ($categories as $newIdCateg)
			if (!in_array($newIdCateg,$currentCategories))
				$productCats[] = '('. $newIdCateg.', '. $this->id.', '. $newCategPos[$newIdCateg].')';
		if (sizeof($productCats))
			return Db::getInstance()->Execute('
			INSERT INTO `'._DB_PREFIX_.'category_product` (`id_category`, `id_product`, `position`)
			VALUES '.implode(',', $productCats));

		return true;
	}

	/**
	* Update categories to index product into
	*
	* @param string $productCategories Categories list to index product into
	* @param boolean keepingCurrentPos (deprecated, no more used)
	* @return array Update/insertion result
	*/
	public function updateCategories($categories, $keepingCurrentPos = false)
	{
		if (empty($categories))
			return false;
		$positions = array();
		// get max position in each categories
		$result = Db::getInstance()->ExecuteS('SELECT `id_category`
				FROM `'._DB_PREFIX_.'category_product`
				WHERE `id_category` NOT IN('.implode(',', array_map('intval', $categories)).')
				AND id_product = '. $this->id .'');
		foreach ($result as $categToDelete){
			$this->deleteCategory($categToDelete['id_category']);
		}
		// if none are found, it's an error
		if (!is_array($result))
			return (false);

		if (!$this->addToCategories($categories))
			return false;

		return true;
	}

	/**
	 * deleteCategory delete this product from the category $id_category
	 *
	 * @param mixed $id_category
	 * @param mixed $cleanPositions
	 * @return boolean
	 */
	public function deleteCategory($id_category, $cleanPositions = true)
	{
		$result = Db::getInstance()->ExecuteS('SELECT `id_category` FROM `'._DB_PREFIX_.'category_product` WHERE `id_product` = '.(int)($this->id) . ' AND id_category = '.(int)$id_category .'');
		$return = Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'category_product` WHERE `id_product` = '.(int)($this->id).' AND id_category = '.(int)$id_category .'' );
		if ($cleanPositions === true)
			foreach ($result AS $row)
				$this->cleanPositions((int)$row['id_category']);
		return $return;
	}

	/**
	* Delete all association to category where product is indexed
	*
	* @param boolean $cleanPositions clean category positions after deletion
	* @return array Deletion result
	*/
	public function deleteCategories($cleanPositions = false)
	{
		$return = Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'category_product` WHERE `id_product` = '.(int)($this->id));
		if ($cleanPositions === true)
		{
			$result = Db::getInstance()->ExecuteS('SELECT `id_category` FROM `'._DB_PREFIX_.'category_product` WHERE `id_product` = '.(int)($this->id));
			foreach($result AS $row)
				$this->cleanPositions((int)($row['id_category']));
		}
		return $return;
	}

	/**
	* Delete products tags entries
	*
	* @return array Deletion result
	*/
	public function deleteTags()
	{
		return (Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'product_tag` WHERE `id_product` = '.(int)($this->id))
		AND Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'tag` WHERE `id_tag` NOT IN (SELECT `id_tag` FROM `'._DB_PREFIX_.'product_tag`)'));
	}

	/**
	* Delete product from cart
	*
	* @return array Deletion result
	*/
	public function deleteCartProducts()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'cart_product` WHERE `id_product` = '.(int)($this->id));
	}

	/**
	* Delete product images from database
	*
	* @return array Deletion result
	*/
	public function deleteImages()
	{
		$result = Db::getInstance()->ExecuteS('
		SELECT `id_image`
		FROM `'._DB_PREFIX_.'image`
		WHERE `id_product` = '.(int)($this->id));
		foreach($result as $row)
			if (!deleteImage((int)($this->id), $row['id_image']) OR !Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'image_lang` WHERE `id_image` = '.(int)($row['id_image'])))
				return false;
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'image` WHERE `id_product` = '.(int)($this->id));
	}

	public static function getProductAttributePrice($id_product_attribute)
	{
		$rq = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT `price`
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `id_product_attribute` = '.(int)($id_product_attribute));
		return $rq['price'];
	}

	/**
	* Get all available products
	*
	* @param integer $id_lang Language id
	* @param integer $start Start number
	* @param integer $limit Number of products to return
	* @param string $orderBy Field for ordering
	* @param string $orderWay Way for ordering (ASC or DESC)
	* @return array Products details
	*/
	public static function getProducts($id_lang, $start, $limit, $orderBy, $orderWay, $id_category = false, $only_active = false)
	{
		if (!Validate::isOrderBy($orderBy) OR !Validate::isOrderWay($orderWay))
			die (Tools::displayError());
		if ($orderBy == 'id_product' OR	$orderBy == 'price' OR	$orderBy == 'date_add')
			$orderByPrefix = 'p';
		elseif ($orderBy == 'name')
			$orderByPrefix = 'pl';
		elseif ($orderBy == 'position')
			$orderByPrefix = 'c';

		$rq = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT p.*, pl.* , t.`rate` AS tax_rate, m.`name` AS manufacturer_name, s.`name` AS supplier_name
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product`)
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		   AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
		   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON (m.`id_manufacturer` = p.`id_manufacturer`)
		LEFT JOIN `'._DB_PREFIX_.'supplier` s ON (s.`id_supplier` = p.`id_supplier`)'.
		($id_category ? 'LEFT JOIN `'._DB_PREFIX_.'category_product` c ON (c.`id_product` = p.`id_product`)' : '').'
		WHERE pl.`id_lang` = '.(int)($id_lang).
		($id_category ? ' AND c.`id_category` = '.(int)($id_category) : '').
		($only_active ? ' AND p.`active` = 1' : '').'
		ORDER BY '.(isset($orderByPrefix) ? pSQL($orderByPrefix).'.' : '').'`'.pSQL($orderBy).'` '.pSQL($orderWay).
		($limit > 0 ? ' LIMIT '.(int)($start).','.(int)($limit) : '')
		);
		if($orderBy == 'price')
			Tools::orderbyPrice($rq,$orderWay);
		return ($rq);
	}

	public static function getSimpleProducts($id_lang)
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT p.`id_product`, pl.`name`
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product`)
		WHERE pl.`id_lang` = '.(int)($id_lang).'
		ORDER BY pl.`name`');
	}

	/**
	  * Return the products in the same category than the default category of the instancied product
	  *
	  * @param integer $id_lang Language ID
	  * @return array Products
	  * @deprecated
	  */
	public function getDefaultCategoryProducts($idLang = NULL, $limit = NULL)
	{
		Tools::displayAsDeprecated();
		//get idLang
		$idLang = is_null($idLang) ? _USER_ID_LANG_ : (int)($idLang);

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT p.`id_product`, pl.`description_short`set, pl.`link_rewrite`, pl.`name`, i.`id_image`
		FROM `'._DB_PREFIX_.'category_product` cp
		LEFT JOIN `'._DB_PREFIX_.'product` p ON (p.id_product = cp.id_product)
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (pl.`id_product` = p.`id_product`)
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product`)
		WHERE cp.id_category = ' . (int)($this->id_category_default) . '
		AND id_lang = ' . (int)($idLang) . '
		AND p.`active` = 1
		AND i.`cover` = 1
		'. (is_null($limit) ? '' : ' LIMIT 0 , ' . (int)($limit)));
		return $result;
	}

	public function isNew()
	{
		$result = Db::getInstance()->ExecuteS('
			SELECT id_product FROM `'._DB_PREFIX_.'product` p
			WHERE 1
			AND id_product = '.(int)($this->id).'
			AND DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0
		');
		return sizeof($result) > 0;
	}


	public function productAttributeExists($attributesList, $currentProductAttribute = false)
	{
		$result = Db::getInstance()->ExecuteS('SELECT pac.`id_attribute`, pac.`id_product_attribute`
		FROM `'._DB_PREFIX_.'product_attribute` pa
		LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON (pac.`id_product_attribute` = pa.`id_product_attribute`)
		WHERE pa.`id_product` = '.(int)($this->id));
		/* If something's wrong */
		if (!$result OR empty($result))
			return false;
		/* Product attributes simulation */
		$productAttributes = array();
		foreach ($result AS $productAttribute)
			$productAttributes[$productAttribute['id_product_attribute']][] = $productAttribute['id_attribute'];
		/* Checking product's attribute existence */
		foreach ($productAttributes AS $key => $productAttribute)
			if (sizeof($productAttribute) == sizeof($attributesList))
			{
				$diff = false;
				for ($i = 0; $diff == false AND isset($productAttribute[$i]); $i++)
					if (!in_array($productAttribute[$i], $attributesList) OR $key == $currentProductAttribute)
						$diff = true;
				if (!$diff)
					return true;
			}
		return false;
	}

	/**
	* Add a product attribute
	*
	* @param float $price Additional price
	* @param float $weight Additional weight
	* @param float $ecotax Additional ecotax
	* @param integer $quantity Quantity available
	* @param integer $id_images Image ids
	* @param string $reference Reference
	* @param string $supplier_reference Supplier Reference
	* @param string $location Location
	* @param string $ean13 Ean-13 barcode
	* @param boolean $default Is default attribute for product
	* @return mixed $id_product_attribute or false
	*/
	public function addProductAttribute($price, $weight, $unit_impact, $ecotax, $quantity, $id_images, $reference, $supplier_reference, $ean13, $default, $location = NULL, $upc = NULL)
	{
		$price = str_replace(',', '.', $price);
		$weight = str_replace(',', '.', $weight);
		Db::getInstance()->AutoExecute(_DB_PREFIX_.'product_attribute',
		array('id_product' => (int)($this->id), 'price' => (float)($price), 'ecotax' => (float)($ecotax), 'quantity' => (int)($quantity),
		'weight' => ($weight ? (float)($weight) : 0), 'unit_price_impact' => ($unit_impact ? (float)($unit_impact) : 0),
		'reference' => pSQL($reference), 'supplier_reference' => pSQL($supplier_reference),
		'location' => pSQL($location), 'ean13' => pSQL($ean13), 'upc' => pSQL($upc), 'default_on' => (int)($default)),
		'INSERT');
		$id_product_attribute = Db::getInstance()->Insert_ID();
		Product::updateDefaultAttribute($this->id);
		if (!$id_product_attribute)
			return false;
		if (empty($id_images))
			return (int)($id_product_attribute);
		$query = 'INSERT INTO `'._DB_PREFIX_.'product_attribute_image` (`id_product_attribute`, `id_image`) VALUES ';
		foreach ($id_images AS $id_image)
			$query .= '('.(int)($id_product_attribute).', '.(int)($id_image).'), ';
		$query = trim($query, ', ');
		if (!Db::getInstance()->Execute($query))
			return false;
		return (int)($id_product_attribute);
	}

	public function addCombinationEntity($wholesale_price, $price, $weight, $unit_impact, $ecotax, $quantity, $id_images, $reference, $supplier_reference, $ean13, $default, $location = NULL, $upc = NULL)
	{
		if (
			!$id_product_attribute = $this->addProductAttribute($price, $weight, $unit_impact, $ecotax, $quantity, $id_images, $reference, $supplier_reference, $ean13, $default, $location, $upc)
			OR !Db::getInstance()->Execute('UPDATE `'._DB_PREFIX_.'product_attribute` SET `wholesale_price` = '.(float)($wholesale_price).' WHERE `id_product_attribute` = '.(int)($id_product_attribute))
		)
			return false;
		return (int)($id_product_attribute);
	}

	public function addProductAttributeMultiple($attributes, $setDefault = true)
	{
		$values = array();
		$keys = array();
		$fields = array();
		$default_value = 1;
		foreach ($attributes AS &$attribute)
			foreach ($attribute AS $key => $value)
				if ($value != "")
					$fields[$key] = $key;

		foreach ($attributes AS &$attribute)
		{
			$k = array();
			$v = array();
			foreach ($attribute AS $key => $value)
			{
				if (in_array($key, $fields))
				{
					$k[] = '`'.$key.'`';
					$v[] = '\''.$value.'\'';
				}
			}
			if ($setDefault)
			{
				$k[] = '`default_on`';
				$v[] = '\''.$default_value.'\'';
				$default_value = 0;
			}
			$values[] = '(' . implode(', ', $v).')';
			$keys[] = implode(', ', $k);
		}
		Db::getInstance()->Execute('INSERT INTO `'._DB_PREFIX_.'product_attribute` ('. $keys[0].') VALUES '.implode(', ', $values));

		return (array_map(create_function('$elem', 'return $elem[\'id_product_attribute\'];'),
			Db::getInstance()->ExecuteS('
			SELECT `id_product_attribute` FROM `'._DB_PREFIX_.'product_attribute` WHERE `id_product_attribute` >= '.(int)(Db::getInstance()->Insert_ID())
			)));
	}

	/**
	* Del all default attributes for product
	*/
	public function deleteDefaultAttributes()
	{
		return Db::getInstance()->Execute('
		UPDATE `'._DB_PREFIX_.'product_attribute`
		SET `default_on` = 0
		WHERE `id_product` = '.(int)($this->id));
	}

	public function setDefaultAttribute($id_product_attribute)
	{
		return Db::getInstance()->Execute('
		UPDATE `'._DB_PREFIX_.'product_attribute`
		SET `default_on` = 1
		WHERE `id_product` = '.(int)($this->id).'
		AND `id_product_attribute` = '.(int)($id_product_attribute));
	}

	/**
	* Update a product attribute
	*
	* @param integer $id_product_attribute Product attribute id
	* @param float $price Additional price
	* @param float $weight Additional weight
	* @param float $ecotax Additional ecotax
	* @param integer $quantity Quantity available
	* @param integer $id_image Image id
	* @param string $reference Reference
	* @param string $ean13 Ean-13 barcode
	* @param string $upc Upc barcode
	* @param string $minimal_quantity Minimal quantity
	* @return array Update result
	*/
	public function updateProductAttribute($id_product_attribute, $wholesale_price, $price, $weight, $unit, $ecotax, $quantity, $id_images, $reference, $supplier_reference, $ean13, $default, $location = NULL, $upc = NULL, $minimal_quantity)
	{
		Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'product_attribute_combination`
		WHERE `id_product_attribute` = '.(int)($id_product_attribute));

		$price = str_replace(',', '.', $price);
		$weight = str_replace(',', '.', $weight);
		$data = array(
		'wholesale_price' => (float)($wholesale_price),
		'price' => (float)($price),
		'ecotax' => (float)($ecotax),
		'weight' => ($weight ? (float)($weight) : 0),
		'unit_price_impact' => ($unit ? (float)($unit) : 0),
		'reference' => pSQL($reference),
		'supplier_reference' => pSQL($supplier_reference),
		'location' => pSQL($location),
		'ean13' => pSQL($ean13),
		'upc' => pSQL($upc),
		'default_on' => (int)($default),
		'minimal_quantity' => (int)($minimal_quantity));
		if ($quantity)
			$data['quantity'] = (int)$quantity;
		if (!Db::getInstance()->AutoExecute(_DB_PREFIX_.'product_attribute', $data, 'UPDATE', '`id_product_attribute` = '.(int)($id_product_attribute)) OR !Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'product_attribute_image` WHERE `id_product_attribute` = '.(int)($id_product_attribute)))
			return false;
		if ($quantity)
			Hook::updateProductAttribute($id_product_attribute);
		Product::updateDefaultAttribute($this->id);
		if (empty($id_images))
			return true;
		$query = 'INSERT INTO `'._DB_PREFIX_.'product_attribute_image` (`id_product_attribute`, `id_image`) VALUES ';
		foreach ($id_images AS $id_image)
			$query .= '('.(int)($id_product_attribute).', '.(int)($id_image).'), ';
		$query = trim($query, ', ');
		return Db::getInstance()->Execute($query);
	}

	public function updateQuantityProductWithAttributeQuantity()
	{
		return Db::getInstance()->Execute('
		UPDATE `'._DB_PREFIX_.'product`
		SET `quantity` = IFNULL(
		(
			SELECT SUM(`quantity`)
			FROM `'._DB_PREFIX_.'product_attribute`
			WHERE `id_product` = '.(int)($this->id).'
		), \'0\' )
		WHERE `id_product` = '.(int)($this->id));
	}
	/**
	* Delete product attributes
	*
	* @return array Deletion result
	*/
	public function deleteProductAttributes()
	{
		Module::hookExec('deleteProductAttribute', array('id_product_attribute' => 0, 'id_product' => $this->id, 'deleteAllAttributes' => true));

		$result = Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'product_attribute_combination`
		WHERE `id_product_attribute` IN (SELECT `id_product_attribute` FROM `'._DB_PREFIX_.'product_attribute` WHERE `id_product` = '.(int)($this->id).')');

		$result2 = Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'product_attribute` WHERE `id_product` = '.(int)($this->id));

		return ($result & $result2);
	}

	/**
	* Delete product attributes impacts
	*
	* @return Deletion result
	*/
    public function deleteAttributesImpacts()
    {
        return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'attribute_impact` WHERE `id_product` = '.(int)($this->id));
    }

	/**
	* Delete product features
	*
	* @return array Deletion result
	*/
	public function deleteProductFeatures()
	{
		return $this->deleteFeatures();
	}

	/**
	* Delete product attachments
	*
	* @return array Deletion result
	*/
	public function deleteAttachments()
	{
		$attachments = Db::getInstance()->ExecuteS('SELECT id_attachment FROM `'._DB_PREFIX_.'product_attachment` WHERE `id_product` = '.(int)($this->id));
		$result = true;
		foreach ($attachments AS $attachment)
		{
			$attachmentObj = new Attachment((int)($attachment['id_attachment']));
			if (Validate::isLoadedObject($attachmentObj))
				$result &= $attachmentObj->delete();
		}

		return $result;
	}

	/**
	* Delete product customizations
	*
	* @return array Deletion result
	*/
	public function deleteCustomization()
	{
		return
		Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id)) &&
		Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field_lang` WHERE `id_customization_field` NOT IN (SELECT id_customization_field FROM `'._DB_PREFIX_.'customization_field`)');
	}

	/**
	* Delete product quantity discounts
	*
	* @return array Deletion result
	* @deprecated
	*/
	public function deleteQuantityDiscounts()
	{
		Tools::displayAsDeprecated();
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'discount_quantity` WHERE `id_product` = '.(int)($this->id));
	}

	/**
	* Delete product pack details
	*
	* @return array Deletion result
	*/
	public function deletePack()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'pack` WHERE `id_product_pack` = '.(int)($this->id).' OR `id_product_item` = '.(int)($this->id));
	}

	/**
	* Delete product sales
	*
	* @return array Deletion result
	*/
	public function deleteProductSale()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'product_sale` WHERE `id_product` = '.(int)($this->id));
	}

	/**
	* Delete product in its scenes
	*
	* @return array Deletion result
	*/
	public function deleteSceneProducts()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'scene_products` WHERE `id_product` = '.(int)($this->id));
	}

	/**
	* Delete product indexed words
	*
	* @return array Deletion result
	*/
	public function deleteSearchIndexes()
	{
		return
		Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'search_index` WHERE `id_product` = '.(int)($this->id)) &&
		Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'search_word` WHERE `id_word` NOT IN (SELECT id_word FROM `'._DB_PREFIX_.'search_index`)');
	}

	/**
	* Add a product attributes combinaison
	*
	* @param integer $id_product_attribute Product attribute id
	* @param array $attributes Attributes to forge combinaison
	* @return array Insertion result
	*/
	public function addAttributeCombinaison($id_product_attribute, $attributes)
	{
		if (!is_array($attributes))
			die(Tools::displayError());
		if (!sizeof($attributes))
			return false;
		$attributesList = '';
		foreach($attributes AS $id_attribute)
			$attributesList .= '('.(int)($id_product_attribute).','.(int)($id_attribute).'),';
		$attributesList = rtrim($attributesList, ',');

		if (!Validate::isValuesList($attributesList))
			die(Tools::displayError());

		$result = Db::getInstance()->Execute('INSERT INTO `'._DB_PREFIX_.'product_attribute_combination` (`id_product_attribute`, `id_attribute`) VALUES '.$attributesList);
		return $result;
	}

	public function addAttributeCombinationMultiple($id_attributes, $combinations)
	{
		$attributesList = '';
		foreach ($id_attributes AS $nb => $id_product_attribute)
			if (isset($combinations[$nb]))
				foreach ($combinations[$nb] AS $id_attribute)
					$attributesList .= '('.(int)($id_product_attribute).','.(int)($id_attribute).'),';
		$attributesList = rtrim($attributesList, ',');
		return Db::getInstance()->Execute('INSERT INTO `'._DB_PREFIX_.'product_attribute_combination` (`id_product_attribute`, `id_attribute`) VALUES '.$attributesList);
	}

	/**
	* Delete a product attributes combinaison
	*
	* @param integer $id_product_attribute Product attribute id
	* @return array Deletion result
	*/
	public function deleteAttributeCombinaison($id_product_attribute)
	{
		if (!$id_product_attribute OR !is_numeric($id_product_attribute))
			return false;

		Module::hookExec('deleteProductAttribute', array('id_product_attribute' => $id_product_attribute, 'id_product' => $this->id, 'deleteAllAttributes' => false));

		$result = Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `id_product_attribute` = '.(int)($id_product_attribute).'
		AND `id_product` = '.(int)($this->id));
		$result2 = Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'product_attribute_combination`
		WHERE `id_product_attribute` = '.(int)($id_product_attribute));
		$result3 = Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'cart_product`
		WHERE `id_product_attribute` = '.(int)($id_product_attribute));
		return ($result AND $result2 AND $result3);
	}

	/**
	* Delete features
	*
	*/
	public function deleteFeatures()
	{
		// List products features
		$result1 = Db::getInstance()->ExecuteS('
		SELECT p.*, f.*
		FROM `'._DB_PREFIX_.'feature_product` as p
		LEFT JOIN `'._DB_PREFIX_.'feature_value` as f ON (f.`id_feature_value` = p.`id_feature_value`)
		WHERE `id_product` = '.(int)($this->id));
		foreach ($result1 as $tab)
			// Delete product custom features
			if ($tab['custom']) {
				$result2 = Db::getInstance()->Execute('
				DELETE FROM `'._DB_PREFIX_.'feature_value`
				WHERE `id_feature_value` = '.(int)($tab['id_feature_value']));
				$result3 = Db::getInstance()->Execute('
				DELETE FROM `'._DB_PREFIX_.'feature_value_lang`
				WHERE `id_feature_value` = '.(int)($tab['id_feature_value']));
			}
		// Delete product features
		$result4 = Db::getInstance()->Execute('
		DELETE FROM `'._DB_PREFIX_.'feature_product`
		WHERE `id_product` = '.(int)($this->id));
		return ($result4);
	}

	/**
	* Get all available product attributes combinaisons
	*
	* @param integer $id_lang Language id
	* @return array Product attributes combinaisons
	*/
	public function getAttributeCombinaisons($id_lang)
	{
		return Db::getInstance()->ExecuteS('
		SELECT pa.*, ag.`id_attribute_group`, ag.`is_color_group`, agl.`name` AS group_name, al.`name` AS attribute_name, a.`id_attribute`, pa.`unit_price_impact`
		FROM `'._DB_PREFIX_.'product_attribute` pa
		LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON pac.`id_product_attribute` = pa.`id_product_attribute`
		LEFT JOIN `'._DB_PREFIX_.'attribute` a ON a.`id_attribute` = pac.`id_attribute`
		LEFT JOIN `'._DB_PREFIX_.'attribute_group` ag ON ag.`id_attribute_group` = a.`id_attribute_group`
		LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON (a.`id_attribute` = al.`id_attribute` AND al.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'attribute_group_lang` agl ON (ag.`id_attribute_group` = agl.`id_attribute_group` AND agl.`id_lang` = '.(int)($id_lang).')
		WHERE pa.`id_product` = '.(int)($this->id).'
		ORDER BY pa.`id_product_attribute`');
	}

	public function getCombinationImages($id_lang)
	{
		if (!$productAttributes = Db::getInstance()->ExecuteS('SELECT `id_product_attribute` FROM `'._DB_PREFIX_.'product_attribute` WHERE `id_product` = '.(int)($this->id)))
			return false;
		$ids = array();
		foreach ($productAttributes AS $productAttribute)
			$ids[] = (int)($productAttribute['id_product_attribute']);
		if (!$result = Db::getInstance()->ExecuteS('
			SELECT pai.`id_image`, pai.`id_product_attribute`, il.`legend`
			FROM `'._DB_PREFIX_.'product_attribute_image` pai
			LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (il.`id_image` = pai.`id_image`)
			LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_image` = pai.`id_image`)
			WHERE pai.`id_product_attribute` IN ('.implode(', ', $ids).') AND il.`id_lang` = '.(int)($id_lang).' ORDER by i.`position`'))
			return false;
		$images = array();
		foreach ($result AS $row)
			$images[$row['id_product_attribute']][] = $row;
		return $images;
	}

	/**
	* Check if product has attributes combinaisons
	*
	* @return integer Attributes combinaisons number
	*/
	public function hasAttributes()
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(`id_product_attribute`)
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `id_product` = '.(int)($this->id));
	}

	/**
	* Get new products
	*
	* @param integer $id_lang Language id
	* @param integer $pageNumber Start from (optional)
	* @param integer $nbProducts Number of products to return (optional)
	* @return array New products
	*/
	public static function getNewProducts($id_lang, $pageNumber = 0, $nbProducts = 10, $count = false, $orderBy = NULL, $orderWay = NULL)
	{
		if ($pageNumber < 0) $pageNumber = 0;
		if ($nbProducts < 1) $nbProducts = 10;
		if (empty($orderBy) || $orderBy == 'position') $orderBy = 'date_add';
		if (empty($orderWay)) $orderWay = 'DESC';
		if ($orderBy == 'id_product' OR $orderBy == 'price' OR $orderBy == 'date_add')
			$orderByPrefix = 'p';
		elseif ($orderBy == 'name')
			$orderByPrefix = 'pl';
		if (!Validate::isOrderBy($orderBy) OR !Validate::isOrderWay($orderWay))
			die(Tools::displayError());

		$groups = FrontController::getCurrentCustomerGroups();
		$sqlGroups = (count($groups) ? 'IN ('.implode(',', $groups).')' : '= 1');

		if ($count)
		{
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT COUNT(`id_product`) AS nb
			FROM `'._DB_PREFIX_.'product` p
			WHERE `active` = 1
			AND DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0
			AND p.`id_product` IN (
				SELECT cp.`id_product`
				FROM `'._DB_PREFIX_.'category_group` cg
				LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
				WHERE cg.`id_group` '.$sqlGroups.'
			)');
			return (int)($result['nb']);
		}

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT p.*, pl.`description`, pl.`description_short`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`, pl.`name`, p.`ean13`, p.`upc`,
			i.`id_image`, il.`legend`, t.`rate`, m.`name` AS manufacturer_name, DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0 AS new,
			(p.`price` * ((100 + (t.`rate`))/100)) AS orderprice, pa.id_product_attribute
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		LEFT OUTER JOIN `'._DB_PREFIX_.'product_attribute` pa ON (p.`id_product` = pa.`id_product` AND `default_on` = 1)
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		   AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
		   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON (m.`id_manufacturer` = p.`id_manufacturer`)
		WHERE p.`active` = 1
		AND DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0
		AND p.`id_product` IN (
			SELECT cp.`id_product`
			FROM `'._DB_PREFIX_.'category_group` cg
			LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
			WHERE cg.`id_group` '.$sqlGroups.'
		)
		ORDER BY '.(isset($orderByPrefix) ? pSQL($orderByPrefix).'.' : '').'`'.pSQL($orderBy).'` '.pSQL($orderWay).'
		LIMIT '.(int)($pageNumber * $nbProducts).', '.(int)($nbProducts));

		if ($orderBy == 'price')
			Tools::orderbyPrice($result, $orderWay);
		if (!$result)
			return false;

		$productsIds = array();
		foreach ($result as $row)
			$productsIds[] = $row['id_product'];
		// Thus you can avoid one query per product, because there will be only one query for all the products of the cart
		Product::cacheFrontFeatures($productsIds, $id_lang);

		return Product::getProductsProperties((int)$id_lang, $result);
	}

	static protected function _getProductIdByDate($beginning, $ending)
	{
		global $cookie, $cart;

		$id_group = $cookie->id_customer ? (int)(Customer::getDefaultGroupId((int)($cookie->id_customer))) : _PS_DEFAULT_CUSTOMER_GROUP_;
		$id_address = $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};
		$ids = Address::getCountryAndState($id_address);
		$id_country = (int)($ids['id_country'] ? $ids['id_country'] : Configuration::get('PS_COUNTRY_DEFAULT'));
		return SpecificPrice::getProductIdByDate((int)(Shop::getCurrentShop()), (int)($cookie->id_currency), $id_country, $id_group, $beginning, $ending);
	}

	/**
	* Get a random special
	*
	* @param integer $id_lang Language id
	* @return array Special
	*/
	public static function getRandomSpecial($id_lang, $beginning = false, $ending = false)
	{
        $currentDate = date('Y-m-d H:i:s');
		$ids_product = self::_getProductIdByDate((!$beginning ? $currentDate : $beginning), (!$ending ? $currentDate : $ending));

		$groups = FrontController::getCurrentCustomerGroups();
		$sqlGroups = (count($groups) ? 'IN ('.implode(',', $groups).')' : '= 1');

		// Please keep 2 distinct queries because RAND() is an awful way to achieve this result
		$sql = '
		SELECT p.id_product
		FROM `'._DB_PREFIX_.'product` p
		WHERE 1
		AND p.`active` = 1
		AND p.`id_product` IN ('.implode(', ', $ids_product).')
		AND p.`id_product` IN (
			SELECT cp.`id_product`
			FROM `'._DB_PREFIX_.'category_group` cg
			LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
			WHERE cg.`id_group` '.$sqlGroups.'
		)
		ORDER BY RAND()';
		$id_product = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($sql);

		if (!$id_product)
			return false;

		$row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT p.*, pl.`description`, pl.`description_short`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`, pl.`name`, p.`ean13`,  p.`upc`,
			i.`id_image`, il.`legend`, t.`rate`
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		                                           AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
	                                           	   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		WHERE p.id_product = '.(int)$id_product);

		return Product::getProductProperties($id_lang, $row);
	}

	/**
	* Get prices drop
	*
	* @param integer $id_lang Language id
	* @param integer $pageNumber Start from (optional)
	* @param integer $nbProducts Number of products to return (optional)
	* @param boolean $count Only in order to get total number (optional)
	* @return array Prices drop
	*/
	public static function getPricesDrop($id_lang, $pageNumber = 0, $nbProducts = 10, $count = false, $orderBy = NULL, $orderWay = NULL, $beginning = false, $ending = false)
	{
		if (!Validate::isBool($count))
			die(Tools::displayError());

		if ($pageNumber < 0) $pageNumber = 0;
		if ($nbProducts < 1) $nbProducts = 10;
		if (empty($orderBy) || $orderBy == 'position') $orderBy = 'price';
		if (empty($orderWay)) $orderWay = 'DESC';
		if ($orderBy == 'id_product' OR $orderBy == 'price' OR $orderBy == 'date_add')
			$orderByPrefix = 'p';
		elseif ($orderBy == 'name')
            $orderByPrefix = 'pl';
		if (!Validate::isOrderBy($orderBy) OR !Validate::isOrderWay($orderWay))
			die (Tools::displayError());
		$currentDate = date('Y-m-d H:i:s');
		$ids_product = self::_getProductIdByDate((!$beginning ? $currentDate : $beginning), (!$ending ? $currentDate : $ending));

		$groups = FrontController::getCurrentCustomerGroups();
		$sqlGroups = (count($groups) ? 'IN ('.implode(',', $groups).')' : '= 1');

		if ($count)
		{
			$sql = '
			SELECT COUNT(DISTINCT p.`id_product`) AS nb
			FROM `'._DB_PREFIX_.'product` p
			WHERE p.`active` = 1
			AND p.`show_price` = 1
			'.((!$beginning AND !$ending) ? ' AND p.`id_product` IN('.((is_array($ids_product) AND sizeof($ids_product)) ? implode(', ', $ids_product) : 0).')' : '').'
			AND p.`id_product` IN (
				SELECT cp.`id_product`
				FROM `'._DB_PREFIX_.'category_group` cg
				LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
				WHERE cg.`id_group` '.$sqlGroups.'
			)';
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow($sql);
			return (int)($result['nb']);
		}
		$sql = '
		SELECT p.*, pl.`description`, pl.`description_short`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`,
		pl.`name`, p.`ean13`, p.`upc`, i.`id_image`, il.`legend`, t.`rate`, m.`name` AS manufacturer_name,
		DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0 AS new
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		                                           AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
	                                           	   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON (m.`id_manufacturer` = p.`id_manufacturer`)
		WHERE 1
		AND p.`active` = 1
		AND p.`show_price` = 1
		'.((!$beginning AND !$ending) ? ' AND p.`id_product` IN ('.((is_array($ids_product) AND sizeof($ids_product)) ? implode(', ', $ids_product) : 0).')' : '').'
		AND p.`id_product` IN (
			SELECT cp.`id_product`
			FROM `'._DB_PREFIX_.'category_group` cg
			LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
			WHERE cg.`id_group` '.$sqlGroups.'
		)
		ORDER BY '.(isset($orderByPrefix) ? pSQL($orderByPrefix).'.' : '').'`'.pSQL($orderBy).'`'.' '.pSQL($orderWay).'
		LIMIT '.(int)($pageNumber * $nbProducts).', '.(int)($nbProducts);
		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS($sql);
		if($orderBy == 'price')
			Tools::orderbyPrice($result,$orderWay);
		if (!$result)
			return false;
		return Product::getProductsProperties($id_lang, $result);
	}


	/**
	 * getProductCategories return an array of categories which this product belongs to
	 *
	 * @return array of categories
	 */
	public static function getProductCategories($id_product = '')
	{
		$ret = array();
		if ($row = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT `id_category` FROM `'._DB_PREFIX_.'category_product`
		WHERE `id_product` = '.(int)$id_product)
		)
			foreach ($row as $val)
			{
				$ret[] = $val['id_category'];
			}
		return $ret;
	}

	/**
	 * getCategories return an array of categories which this product belongs to
	 *
	 * @return array of categories
	 */
	public function getCategories()
	{
		return Product::getProductCategories($this->id);
	}

	/**
	* Get categories where product is indexed
	*
	* @param integer $id_product Product id
	* @return array Categories where product is indexed
	* @deprecated
	*/
	public static function getIndexedCategories($id_product)
	{
		Tools::displayAsDeprecated();
		return Db::getInstance()->ExecuteS('
		SELECT `id_category`
		FROM `'._DB_PREFIX_.'category_product`
		WHERE `id_product` = '.(int)($id_product));
	}

	/**
	* Get product images and legends
	*
	* @param integer $id_lang Language id for multilingual legends
	* @return array Product images and legends
	*/
	public function	getImages($id_lang)
	{
		return Db::getInstance()->ExecuteS('
		SELECT i.`cover`, i.`id_image`, il.`legend`
		FROM `'._DB_PREFIX_.'image` i
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		WHERE i.`id_product` = '.(int)($this->id).'
		ORDER BY `position`');
	}

	/**
	* Get product cover image
	*
	* @return array Product cover image
	*/
	public static function getCover($id_product)
	{
		return Db::getInstance()->getRow('
		SELECT `id_image`
		FROM `'._DB_PREFIX_.'image`
		WHERE `id_product` = '.(int)($id_product).'
		AND `cover` = 1');
	}

	/**
	* Get reduction value for a given product
	* *****************************************
	* ** Kept for retro-compatibility issues **
	* *****************************************
	* You should use getPriceStatic() instead (with the parameter $only_reduc set to true)
	*
	* @param array $result SQL result with reduction informations
	* @param boolean $wt With taxes or not (optional)
	* @return float Reduction value in euros
	*/
	/*  */
	public static function getReductionValue($reduction_price, $reduction_percent, $date_from, $date_to, $product_price, $usetax, $taxrate)
	{
		Tools::displayAsDeprecated();

		// Avoid an error with 1970-01-01
		if (!Validate::isDate($date_from) OR !Validate::isDate($date_to))
			return 0;
		$currentDate = date('Y-m-d H:i:s');
		if ($date_from != $date_to AND ($currentDate > $date_to OR $currentDate < $date_from))
			return 0;

		// reduction values
		if (!$usetax)
			$reduction_price /= (1 + ($taxrate / 100));

		// make the reduction
		if ($reduction_price AND $reduction_price > 0)
		{
			if ($reduction_price >= $product_price)
				$ret = $product_price;
			else
				$ret = $reduction_price;
		}
		elseif ($reduction_percent AND $reduction_percent > 0)
		{
			if ($reduction_percent >= 100)
				$ret = $product_price;
			else
				$ret = $product_price * $reduction_percent / 100;
		}
		return isset($ret) ? $ret : 0;
	}

	/**
	* Get product price
	*
	* @param integer $id_product Product id
	* @param boolean $usetax With taxes or not (optional)
	* @param integer $id_product_attribute Product attribute id (optional). If set to false, do not apply the combination price impact. NULL does apply the default combination price impact.
	* @param integer $decimals Number of decimals (optional)
	* @param integer $divisor Useful when paying many time without fees (optional)
	* @param boolean $only_reduc Returns only the reduction amount
	* @param boolean $usereduc Set if the returned amount will include reduction
	* @param integer $quantity Required for quantity discount application (default value: 1)
	* @param boolean $forceAssociatedTax Force to apply the associated tax. Only works when the parameter $usetax is true
	* @param integer $id_customer Customer ID (for customer group reduction)
	* @param integer $id_cart Cart ID. Required when the cookie is not accessible (e.g., inside a payment module, a cron task...)
	* @param integer $id_address Customer address ID. Required for price (tax included) calculation regarding the guest localization
	* @param variable_reference $specificPriceOutput. If a specific price applies regarding the previous parameters, this variable is filled with the corresponding SpecificPrice object
	* @param boolean $with_ecotax insert ecotax in price output.
	* @return float Product price
	*/
	public static function getPriceStatic($id_product, $usetax = true, $id_product_attribute = NULL, $decimals = 6, $divisor = NULL, $only_reduc = false,
	$usereduc = true, $quantity = 1, $forceAssociatedTax = false, $id_customer = NULL, $id_cart = NULL, $id_address = NULL, &$specificPriceOutput = NULL, $with_ecotax = TRUE)
	{
   		global $cookie, $cart;
        $cur_cart = $cart;

        if (isset($divisor))
            Tools::displayParameterAsDeprecated('divisor');

		if (!Validate::isBool($usetax) OR !Validate::isUnsignedId($id_product))
			die(Tools::displayError());
		// Initializations
		if (!$id_customer)
			$id_customer = ((Validate::isCookie($cookie) AND isset($cookie->id_customer) AND $cookie->id_customer) ? (int)($cookie->id_customer) : NULL);
		$id_group = $id_customer ? (int)(Customer::getDefaultGroupId($id_customer)) : _PS_DEFAULT_CUSTOMER_GROUP_;
		if (!is_object($cur_cart) OR (Validate::isUnsignedInt($id_cart) AND $id_cart))
		{
			/*
			* When a user (e.g., guest, customer, Google...) is on PrestaShop, he has already its cart as the global (see /init.php)
			* When a non-user calls directly this method (e.g., payment module...) is on PrestaShop, he does not have already it BUT knows the cart ID
			*/
			if (!$id_cart AND !Validate::isCookie($cookie))
				die(Tools::displayError());
			$cur_cart = $id_cart ? new Cart((int)($id_cart)) : new Cart((int)($cookie->id_cart));
		}

		if ((int)($id_cart))
		{
			if (!isset(self::$_cart_quantity[(int)($id_cart).'_'.(int)($id_product)]) OR self::$_cart_quantity[(int)($id_cart).'_'.(int)($id_product)] !=  (int)($quantity))
				self::$_cart_quantity[(int)($id_cart).'_'.(int)($id_product)] = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
				SELECT SUM(`quantity`)
				FROM `'._DB_PREFIX_.'cart_product`
				WHERE `id_product` = '.(int)($id_product).' AND `id_cart` = '.(int)($id_cart)
			);
			$cart_quantity = self::$_cart_quantity[(int)($id_cart).'_'.(int)($id_product)];
		}
		$quantity = ($id_cart AND $cart_quantity) ? $cart_quantity : $quantity;
		$id_currency = (int)(Validate::isLoadedObject($cur_cart) ? $cur_cart->id_currency : ((isset($cookie->id_currency) AND (int)($cookie->id_currency)) ? $cookie->id_currency : Configuration::get('PS_CURRENCY_DEFAULT')));
		if (!$id_address)
			$id_address = $cur_cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};

		if (Tax::excludeTaxeOption())
			$usetax = false;

      $id_country = (int)Country::getDefaultCountryId();
		$id_state = 0;
		$id_county = 0;
		$id_state = 0;


		$address_infos = Address::getCountryAndState($id_address);
		if ($address_infos['id_country'])
		{
			$id_country = (int)($address_infos['id_country']);
			$id_state = (int)($address_infos['id_state']);
			$id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);

		}

		if ($usetax != false AND !empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
			$usetax = false;

		$id_shop = (int)(Shop::getCurrentShop());

		return Product::priceCalculation($id_shop, $id_product, $id_product_attribute, $id_country,  $id_state, $id_county, $id_currency, $id_group, $quantity, $usetax, $decimals, $only_reduc,
		$usereduc, $with_ecotax, $specificPriceOutput);
	}

	/**
	* Price calculation / Get product price
	*
	* @param integer $id_shop Shop id
	* @param integer $id_product Product id
	* @param integer $id_product_attribute Product attribute id
	* @param integer $id_country Country id
	* @param integer $id_state State id
	* @param integer $id_currency Currency id
	* @param integer $id_group Group id
	* @param integer $quantity Quantity Required for Specific prices : quantity discount application
	* @param boolean $use_tax with (1) or without (0) tax
	* @param integer $decimals Number of decimals returned
	* @param boolean $only_reduc Returns only the reduction amount
	* @param boolean $use_reduc Set if the returned amount will include reduction
	* @param boolean $with_ecotax insert ecotax in price output.
	* @param variable_reference $specific_price_output If a specific price applies regarding the previous parameters, this variable is filled with the corresponding SpecificPrice object
	* @return float Product price
	**/
	public static function priceCalculation($id_shop, $id_product, $id_product_attribute, $id_country, $id_state, $id_county, $id_currency, $id_group, $quantity, $use_tax, $decimals, $only_reduc, $use_reduc, $with_ecotax, &$specific_price_output)
	{
		// Caching
		if ($id_product_attribute === NULL)
			$product_attribute_label = 'NULL';
		else
			$product_attribute_label = ($id_product_attribute === false ? 'false' : $id_product_attribute);
		$cacheId = $id_product.'-'.$id_shop.'-'.$id_currency.'-'.$id_country.'-'.$id_group.'-'.$quantity.'-'.$product_attribute_label.'-'.($use_tax?'1':'0').'-'.$decimals.'-'.($only_reduc?'1':'0').'-'.($use_reduc?'1':'0');

		if (isset(self::$_prices[$cacheId]))
			return self::$_prices[$cacheId];

		// fetch price & attribute price
		$cacheId2 = $id_product.'-'.$id_product_attribute;
		if (!isset(self::$_pricesLevel2[$cacheId2]))
			self::$_pricesLevel2[$cacheId2] = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT p.`price`, p.`ecotax`,
			'.($id_product_attribute ? 'pa.`price`' : 'IFNULL((SELECT pa.price FROM `'._DB_PREFIX_.'product_attribute` pa WHERE id_product = '.(int)($id_product).' AND default_on = 1), 0)').' AS attribute_price
			FROM `'._DB_PREFIX_.'product` p
			'.($id_product_attribute ? 'LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON pa.`id_product_attribute` = '.(int)($id_product_attribute) : '').'
			WHERE p.`id_product` = '.(int)($id_product));
		$result = self::$_pricesLevel2[$cacheId2];


		// Cache for specific prices
		$cacheId3 = $id_product.'-'.$id_shop.'-'.$id_currency.'-'.$id_country.'-'.$id_group.'-'.$quantity;

		if (!isset(self::$_pricesLevel3[$cacheId3]))
			self::$_pricesLevel3[$cacheId3] = SpecificPrice::getSpecificPrice((int)($id_product), $id_shop, $id_currency, $id_country, $id_group, $quantity);
		$specific_price = self::$_pricesLevel3[$cacheId3];

		$price = (float)(!$specific_price OR $specific_price['price'] == 0) ? $result['price'] : $specific_price['price'];
		// convert only if the specific price is in the default currency (id_currency = 0)
	    if (!$specific_price OR !($specific_price['price'] > 0 AND $specific_price['id_currency']))
			$price = Tools::convertPrice($price, $id_currency);

		// Parameter passed by ref
		$specific_price_output = $specific_price;
		// Attribute price
		$attribute_price = Tools::convertPrice(array_key_exists('attribute_price', $result) ? (float)($result['attribute_price']) : 0, $id_currency);
		if ($id_product_attribute !== false) // If you want the default combination, please use NULL value instead
			$price += $attribute_price;

		// TaxRate calculation
		$tax_rate = Tax::getProductTaxRateViaRules((int)$id_product, (int)$id_country, (int)$id_state, (int)$id_county);
		if ($tax_rate === false)
			$tax_rate = 0;
		// Add Tax
		if ($use_tax)
			$price = $price * (1 + ($tax_rate / 100));
		$price = Tools::ps_round($price, $decimals);

		// Reduction
		$reduc = 0;
		if (($only_reduc OR $use_reduc) AND $specific_price)
		{
		    if ($specific_price['reduction_type'] == 'amount')
		    {
		        $reduction_amount = $specific_price['reduction'];

		        if (!$specific_price['id_currency'])
		            $reduction_amount = Tools::convertPrice($reduction_amount, $id_currency);
		        $reduc = Tools::ps_round(!$use_tax ? $reduction_amount / (1 + $tax_rate / 100) : $reduction_amount, 2);
		    }
			else
		        $reduc = Tools::ps_round($price * $specific_price['reduction'], 2);
		}

		if ($only_reduc)
			return $reduc;

		if ($use_reduc)
			$price -= $reduc;

		// Group reduction
		if ($reductionFromCategory = (float)(GroupReduction::getValueForProduct($id_product, $id_group)))
			$price -= $price * $reductionFromCategory;
		else // apply group reduction if there is no group reduction for this category
			$price *= ((100 - Group::getReductionByIdGroup($id_group)) / 100);

		$price = Tools::ps_round($price, $decimals);

		// Eco Tax
		if ($result['ecotax'] AND $with_ecotax)
		{
			$ecotax = $result['ecotax'];
			if ($id_currency)
				$ecotax = Tools::convertPrice($ecotax, $id_currency);
			if ($use_tax)
			{
				$taxRate = TaxRulesGroup::getTaxesRate((int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID'), (int)$id_country, (int)$id_state, (int)$id_county);
				$price += $ecotax * (1 + ($taxRate / 100));
			}
			else
				$price += $ecotax;
		}

		$price = Tools::ps_round($price, $decimals);

		if ($price < 0)
			$price = 0;

		self::$_prices[$cacheId] = $price;
		return self::$_prices[$cacheId];
	}

	public static function convertAndFormatPrice($price, $currency = false)
	{
		if (!$currency)
			$currency = Currency::getCurrent();
		return Tools::displayPrice(Tools::convertPrice($price, $currency), $currency);
	}

	public static function isDiscounted($id_product, $quantity = 1)
	{
		global $cookie, $cart;

		$id_customer = ((Validate::isCookie($cookie) AND isset($cookie->id_customer) AND $cookie->id_customer) ? (int)($cookie->id_customer) : NULL);
		$id_group = $id_customer ? (int)(Customer::getDefaultGroupId($id_customer)) : _PS_DEFAULT_CUSTOMER_GROUP_;
		$cart_quantity = !$cart ? 0 : Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT SUM(`quantity`)
			FROM `'._DB_PREFIX_.'cart_product`
			WHERE `id_product` = '.(int)($id_product).' AND `id_cart` = '.(int)($cart->id)
		);
		$quantity = $cart_quantity ? $cart_quantity : $quantity;
		$id_currency = (int)(Validate::isLoadedObject($cart) ? $cart->id_currency : ((isset($cookie->id_currency) AND (int)($cookie->id_currency)) ? $cookie->id_currency : Configuration::get('PS_CURRENCY_DEFAULT')));
		$ids = Address::getCountryAndState((int)($cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
		$id_country = (int)($ids['id_country'] ? $ids['id_country'] : Configuration::get('PS_COUNTRY_DEFAULT'));
		$id_shop = (int)(Shop::getCurrentShop());
		return (bool)SpecificPrice::getSpecificPrice((int)$id_product, $id_shop, $id_currency, $id_country, $id_group, $quantity);
	}

	/**
	* Get product price
	* Same as static function getPriceStatic, no need to specify product id
	*
	* @param boolean $tax With taxes or not (optional)
	* @param integer $id_product_attribute Product attribute id (optional)
	* @param integer $decimals Number of decimals (optional)
	* @param integer $divisor Util when paying many time without fees (optional)
	* @return float Product price in euros
	*/
	public function getPrice($tax = true, $id_product_attribute = NULL, $decimals = 6, $divisor = NULL, $only_reduc = false, $usereduc = true, $quantity = 1)
	{
		return self::getPriceStatic((int)($this->id), $tax, $id_product_attribute, $decimals, $divisor, $only_reduc, $usereduc, $quantity);
	}
	
	/**
	 * @deprecated
	 */
	public function getIdProductAttributeMostExpsensive()
	{
		Tools::displayAsDeprecated();
		return $this->getIdProductAttributeMostExpensive();
	}
	
	public function getIdProductAttributeMostExpensive()
	{
		$row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT `id_product_attribute`
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `id_product` = '.(int)($this->id).'
		ORDER BY `price` DESC');

		return (isset($row['id_product_attribute']) AND $row['id_product_attribute']) ? (int)$row['id_product_attribute'] : 0;
	}

	public function getPriceWithoutReduct($notax = false, $id_product_attribute = false)
	{
		return self::getPriceStatic((int)($this->id), !$notax, $id_product_attribute, 6, NULL, false, false);
	}

	/**
	* Get product price for display
	* Also display currency sign and reduction
	*
	* @param array $params Product price, reduction...
	* @param object $smarty Smarty object
	* @return string Product price fully formated in customer currency
	*/
	static function productPrice($params, &$smarty)
	{
		$ret = '';
		if (isset($params['p']['reduction']) AND $params['p']['reduction'])
			$ret .= '<span class="discounted">'.Tools::displayPrice($params['p']['price_without_reduction'], $smarty->ps_currency).'</span><br />';
		$ret .= Tools::displayPrice($params['p']['price'], $smarty->ps_currency);
		return $ret;
	}

	static function productPriceWithoutDisplay($params, &$smarty)
	{
		return Tools::convertPrice($params['p'], $params['c']);
	}

	/**
	* Display price with right format and currency
	*
	* @param array $params Params
	* @object $smarty Smarty object
	* @return string Price with right format and currency
	*/
	static function convertPrice($params, &$smarty)
	{
		return Tools::displayPrice($params['price'], $smarty->ps_currency);
	}

	static function convertPriceWithCurrency($params, &$smarty)
	{
		if (!isset($params['convert']))
			$params['convert'] = true;
		return Tools::displayPrice($params['price'], $params['currency'], false, $params['convert']);
	}

	static function displayWtPrice($params, &$smarty)
	{
		return Tools::displayPrice($params['p'], $smarty->ps_currency);
	}

	static function displayWtPriceWithCurrency($params, &$smarty)
	{
		return Tools::displayPrice($params['price'], $params['currency'], false, $params['convert']);
	}

	/**
	* Get available product quantities
	*
	* @param integer $id_product Product id
	* @param integer $id_product_attribute Product attribute id (optional)
	* @return integer Available quantities
	*/
	public static function getQuantity($id_product, $id_product_attribute = NULL, $cache_is_pack = NULL)
	{
		$lang = Configuration::get('PS_LANG_DEFAULT');
		if (((int)$cache_is_pack OR ($cache_is_pack === NULL AND Pack::isPack((int)$id_product, (int)$lang))) AND !Pack::isInStock((int)$id_product, (int)$lang))
			return 0;

		return Db::getInstance()->getValue('
		SELECT IF(COUNT(id_product_attribute), SUM(pa.`quantity`), p.`quantity`) as total
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_attribute` AS pa ON pa.`id_product` = p.`id_product`
		WHERE p.`id_product` = '.(int)($id_product).'
		'.(isset($id_product_attribute) ? 'AND `id_product_attribute` = '.(int)($id_product_attribute) : '').'
		GROUP BY p.`id_product`');
	}

	/**
	* Update available product quantities
	*
	* @param array $product Array with ordered product (quantity, id_product_attribute if applicable)
	* @return mixed Query result
	*/
	public static function updateQuantity($product, $id_order = NULL)
	{
		if (!is_array($product))
			die (Tools::displayError());

		if (!Configuration::get('PS_STOCK_MANAGEMENT'))
			return true;

		if (Pack::isPack((int)($product['id_product'])))
		{
			$products_pack = Pack::getItems((int)($product['id_product']), (int)(Configuration::get('PS_LANG_DEFAULT')));
			foreach($products_pack AS $product_pack)
			{
				$tab_product_pack['id_product'] = (int)($product_pack->id);
				$tab_product_pack['id_product_attribute'] = self::getDefaultAttribute($tab_product_pack['id_product'], 1);
				$tab_product_pack['cart_quantity'] = (int)($product_pack->pack_quantity * $product['cart_quantity']);
				self::updateQuantity($tab_product_pack);
			}
		}

		$productObj = new Product((int)$product['id_product'], false, (int)Configuration::get('PS_LANG_DEFAULT'));
		return $productObj->addStockMvt(-(int)$product['cart_quantity'], (int)_STOCK_MOVEMENT_ORDER_REASON_, (int)$product['id_product_attribute'], (int)$id_order, NULL);
	}

	public static function reinjectQuantities(&$orderDetail, $quantity)
	{
		global $cookie;
		if (!Validate::isLoadedObject($orderDetail))
			die(Tools::displayError());

		if (Pack::isPack((int)($orderDetail->product_id)))
		{
			$products_pack = Pack::getItems((int)($orderDetail->product_id), (int)(Configuration::get('PS_LANG_DEFAULT')));
			foreach($products_pack AS $product_pack)
				if (!$product_pack->addStockMvt((int)($product_pack->pack_quantity * $quantity), _STOCK_MOVEMENT_ORDER_REASON_, (int)$product_pack->id_product_attribute, (int)$orderDetail->id_order, (int)$cookie->id_employee))
					return false;
		}

		$product = new Product((int)$orderDetail->product_id);
		if (!$product->addStockMvt((int)$quantity, _STOCK_MOVEMENT_ORDER_REASON_, (int)$orderDetail->product_attribute_id, (int)$orderDetail->id_order, (int)$cookie->id_employee))
			return false;

		$orderDetail->product_quantity_reinjected += (int)($quantity);
		return true;
	}

	public static function isAvailableWhenOutOfStock($oos)
	{
		return !Configuration::get('PS_STOCK_MANAGEMENT') ? true : ((int)($oos) == 2 ? (int)(Configuration::get('PS_ORDER_OUT_OF_STOCK')) : (int)($oos));
	}

	/**
	* Check product availability
	*
	* @param integer $qty Quantity desired
	* @return boolean True if product is available with this quantity
	*/
	public function checkQty($qty)
	{
		if (Pack::isPack((int)($this->id)) AND !Pack::isInStock((int)($this->id)))
			return false;

		if ($this->isAvailableWhenOutOfStock($this->out_of_stock))
			return true;

		$result = Db::getInstance()->getRow('
		SELECT `quantity`
		FROM `'._DB_PREFIX_.'product`
		WHERE `id_product` = '.(int)($this->id));

		return ($result AND $qty <= $result['quantity']);
	}

	/**
	* Check if there is not a default attribute and create it not
	*/
	public function checkDefaultAttributes()
	{
		$row = Db::getInstance()->getRow('
		SELECT id_product
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `default_on` = 1 AND `id_product` = '.(int)($this->id));
		if ($row)
			return true;

		$mini = Db::getInstance()->getRow('
		SELECT MIN(pa.id_product_attribute) as `id_attr`
		FROM `'._DB_PREFIX_.'product_attribute` pa
		WHERE `id_product` = '.(int)($this->id));
		if (!$mini)
			return false;

		if (!Db::getInstance()->Execute('
			UPDATE `'._DB_PREFIX_.'product_attribute`
			SET `default_on` = 1
			WHERE `id_product_attribute` = '.(int)($mini['id_attr'])))
			return false;
		return true;
	}

	/**
	* Get all available attribute groups
	*
	* @param integer $id_lang Language id
	* @return array Attribute groups
	*/
	public function getAttributesGroups($id_lang)
	{
		return Db::getInstance()->ExecuteS('
		SELECT ag.`id_attribute_group`, ag.`is_color_group`, agl.`name` AS group_name, agl.`public_name` AS public_group_name, a.`id_attribute`, al.`name` AS attribute_name,
		a.`color` AS attribute_color, pa.`id_product_attribute`, pa.`quantity`, pa.`price`, pa.`ecotax`, pa.`weight`, pa.`default_on`, pa.`reference`, pa.`unit_price_impact`, pa.`minimal_quantity`
		FROM `'._DB_PREFIX_.'product_attribute` pa
		LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON pac.`id_product_attribute` = pa.`id_product_attribute`
		LEFT JOIN `'._DB_PREFIX_.'attribute` a ON a.`id_attribute` = pac.`id_attribute`
		LEFT JOIN `'._DB_PREFIX_.'attribute_group` ag ON ag.`id_attribute_group` = a.`id_attribute_group`
		LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON a.`id_attribute` = al.`id_attribute`
		LEFT JOIN `'._DB_PREFIX_.'attribute_group_lang` agl ON ag.`id_attribute_group` = agl.`id_attribute_group`
		WHERE pa.`id_product` = '.(int)($this->id).'
		AND al.`id_lang` = '.(int)($id_lang).'
		AND agl.`id_lang` = '.(int)($id_lang).'
		ORDER BY agl.`public_name`, al.`name`');
	}

	/**
	* Delete product accessories
	*
	* @return mixed Deletion result
	*/
	public function deleteAccessories()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'accessory` WHERE `id_product_1` = '.(int)($this->id));
	}

	/**
	* Delete product from other products accessories
	*
	* @return mixed Deletion result
	*/
	public function deleteFromAccessories()
	{
		return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'accessory` WHERE `id_product_2` = '.(int)($this->id));
	}

	/**
	* Get product accessories (only names)
	*
	* @param integer $id_lang Language id
	* @param integer $id_product Product id
	* @return array Product accessories
	*/
	public static function getAccessoriesLight($id_lang, $id_product)
	{
		return Db::getInstance()->ExecuteS('
		SELECT p.`id_product`, p.`reference`, pl.`name`
		FROM `'._DB_PREFIX_.'accessory`
		LEFT JOIN `'._DB_PREFIX_.'product` p ON (p.`id_product`= `id_product_2`)
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		WHERE `id_product_1` = '.(int)($id_product));
	}

	/**
	* Get product accessories
	*
	* @param integer $id_lang Language id
	* @return array Product accessories
	*/
	public function getAccessories($id_lang, $active = true)
	{
		global	$link, $cookie;

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT p.*, pl.`description`, pl.`description_short`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`, pl.`name`, p.`ean13`, p.`upc`,
		i.`id_image`, il.`legend`, t.`rate`, m.`name` as manufacturer_name, cl.`name` AS category_default, DATEDIFF(p.`date_add`, DATE_SUB(NOW(),
		INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0 AS new
		FROM `'._DB_PREFIX_.'accessory`
		LEFT JOIN `'._DB_PREFIX_.'product` p ON p.`id_product` = `id_product_2`
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON (p.`id_category_default` = cl.`id_category` AND cl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON (p.`id_manufacturer`= m.`id_manufacturer`)
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		                                           AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
	                                           	   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		WHERE `id_product_1` = '.(int)($this->id).'
		'.($active ? 'AND p.`active` = 1' : ''));

		if (!$result)
			return false;

		return $this->getProductsProperties($id_lang, $result);
	}

	public static function getAccessoryById($accessoryId)
	{
		return Db::getInstance()->getRow('SELECT `id_product`, `name` FROM `'._DB_PREFIX_.'product_lang` WHERE `id_product` = '.(int)($accessoryId));
	}

	/**
	* Link accessories with product
	*
	* @param array $accessories_id Accessories ids
	*/
	public function changeAccessories($accessories_id)
	{
		foreach ($accessories_id as $id_product_2)
			Db::getInstance()->AutoExecute(_DB_PREFIX_.'accessory', array('id_product_1' => (int)($this->id), 'id_product_2' => (int)($id_product_2)), 'INSERT');
	}

	/**
	* Add new feature to product
	*/
	public function addFeaturesCustomToDB($id_value, $lang, $cust)
	{
		$row = array('id_feature_value' => (int)($id_value), 'id_lang' => (int)($lang), 'value' => pSQL($cust));
		return Db::getInstance()->autoExecute(_DB_PREFIX_.'feature_value_lang', $row, 'INSERT');
	}

	public function addFeaturesToDB($id_feature, $id_value, $cust = 0)
	{
		if ($cust)
		{
			$row = array('id_feature' => (int)($id_feature), 'custom' => 1);
			Db::getInstance()->autoExecute(_DB_PREFIX_.'feature_value', $row, 'INSERT');
			$id_value = Db::getInstance()->Insert_ID();
		}
		$row = array('id_feature' => (int)($id_feature), 'id_product' => (int)($this->id), 'id_feature_value' => (int)($id_value));
		Db::getInstance()->autoExecute(_DB_PREFIX_.'feature_product', $row, 'INSERT');
		if ($id_value)
			return ($id_value);
	}

	public static function addFeatureProductImport($id_product, $id_feature, $id_feature_value)
	{
		return Db::getInstance()->Execute('
			INSERT INTO `'._DB_PREFIX_.'feature_product` (`id_feature`, `id_product`, `id_feature_value`)
			VALUES ('.(int)($id_feature).', '.(int)($id_product).', '.(int)($id_feature_value).')
			ON DUPLICATE KEY UPDATE `id_feature_value` = '.(int)($id_feature_value)
		);
	}

	/**
	* Select all features for the object
	*
	* @return array Array with feature product's data
	*/
	public function getFeatures()
	{
		return self::getFeaturesStatic((int)$this->id);
	}

	public static function getFeaturesStatic($id_product)
	{
		if (!array_key_exists($id_product, self::$_cacheFeatures))
			self::$_cacheFeatures[$id_product] = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT id_feature, id_product, id_feature_value
			FROM `'._DB_PREFIX_.'feature_product`
			WHERE `id_product` = '.(int)$id_product);
		return self::$_cacheFeatures[$id_product];
	}

	public static function cacheProductsFeatures(array $productIds)
	{
		$productImplode = array();
		foreach ($productIds as $id_product)
			if ((int)$id_product AND !array_key_exists($id_product, self::$_cacheFeatures))
				$productImplode[] = (int)$id_product;
		if (!count($productImplode))
			return;

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT id_feature, id_product, id_feature_value
		FROM `'._DB_PREFIX_.'feature_product`
		WHERE `id_product` IN ('.implode($productImplode, ',').')');
		foreach ($result as $row)
		{
			if (!array_key_exists($row['id_product'], self::$_cacheFeatures))
				self::$_cacheFeatures[$row['id_product']] = array();
			self::$_cacheFeatures[$row['id_product']][] = $row;
		}
	}

	public static function cacheFrontFeatures(array $productIds, $id_lang)
	{
		$productImplode = array();
		foreach ($productIds as $id_product)
			if ((int)$id_product AND !array_key_exists($id_product.'-'.$id_lang, self::$_cacheFeatures))
				$productImplode[] = (int)$id_product;
		if (!count($productImplode))
			return;

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT id_product, name, value, pf.id_feature
		FROM '._DB_PREFIX_.'feature_product pf
		LEFT JOIN '._DB_PREFIX_.'feature_lang fl ON (fl.id_feature = pf.id_feature AND fl.id_lang = '.(int)$id_lang.')
		LEFT JOIN '._DB_PREFIX_.'feature_value_lang fvl ON (fvl.id_feature_value = pf.id_feature_value AND fvl.id_lang = '.(int)$id_lang.')
		WHERE `id_product` IN ('.implode($productImplode, ',').')');

		foreach ($result as $row)
		{
			if (!array_key_exists($row['id_product'].'-'.$id_lang, self::$_frontFeaturesCache))
				self::$_frontFeaturesCache[$row['id_product'].'-'.$id_lang] = array();
			self::$_frontFeaturesCache[$row['id_product'].'-'.$id_lang][] = $row;
		}
	}

	/**
	* Admin panel product search
	*
	* @param integer $id_lang Language id
	* @param string $query Search query
	* @return array Matching products
	*/
	public static function searchByName($id_lang, $query)
	{
		$result = Db::getInstance()->ExecuteS('
		SELECT p.`id_product`, pl.`name`, pl.`link_rewrite`, p.`weight`, p.`active`, p.`ecotax`, i.`id_image`, p.`reference`, p.`cache_is_pack`,
		il.`legend`, m.`name` AS manufacturer_name, tl.`name` AS tax_name
		FROM `'._DB_PREFIX_.'category_product` cp
		LEFT JOIN `'._DB_PREFIX_.'product` p ON p.`id_product` = cp.`id_product`
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
		   AND tr.`id_country` = '.(int)Country::getDefaultCountryId().'
		   AND tr.`id_state` = 0)
	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
		LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)($id_lang).')
		LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON m.`id_manufacturer` = p.`id_manufacturer`
		LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product`) AND i.`cover` = 1
		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
		WHERE pl.`name` LIKE \'%'.pSQL($query).'%\' OR p.`reference` LIKE \'%'.pSQL($query).'%\' OR p.`supplier_reference` LIKE \'%'.pSQL($query).'%\'
		GROUP BY `id_product`
		ORDER BY pl.`name` ASC');

		if (!$result)
			return false;

		$resultsArray = array();
		foreach ($result AS $k => $row)
		{
			$row['price'] = Product::getPriceStatic($row['id_product'], true, NULL, 2);
			$row['quantity'] = Product::getQuantity($row['id_product'], NULL, $row['cache_is_pack']);
			$resultsArray[] = $row;
		}
		return $resultsArray;
	}

	/**
	* Duplicate attributes when duplicating a product
	*
	* @param integer $id_product_old Old product id
	* @param integer $id_product_new New product id
	*/
	public static function duplicateAttributes($id_product_old, $id_product_new)
	{
		$return = true;
		$combinationImages = array();

		$result = Db::getInstance()->ExecuteS('
		SELECT *
		FROM `'._DB_PREFIX_.'product_attribute`
		WHERE `id_product` = '.(int)($id_product_old));
		foreach ($result as $row)
		{
			$id_product_attribute_old = (int)($row['id_product_attribute']);
			$result2 = Db::getInstance()->ExecuteS('
			SELECT *
			FROM `'._DB_PREFIX_.'product_attribute_combination`
			WHERE `id_product_attribute` = '.$id_product_attribute_old);

			$row['id_product'] = $id_product_new;
			unset($row['id_product_attribute']);
			$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'product_attribute', $row, 'INSERT');

			$id_product_attribute_new = (int)(Db::getInstance()->Insert_ID());
			if ($resultImages = self::_getAttributeImageAssociations($id_product_attribute_old))
			{
				$combinationImages['old'][$id_product_attribute_old] = $resultImages;
				$combinationImages['new'][$id_product_attribute_new] = $resultImages;
			}
			foreach ($result2 AS $row2)
			{
				$row2['id_product_attribute'] = $id_product_attribute_new;
				$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'product_attribute_combination', $row2, 'INSERT');
			}
		}
		return !$return ? false : $combinationImages;
	}

	/**
	* Get product attribute image associations
	* @param integer $id_product_attribute
	* @return boolean
	*/
	public static function _getAttributeImageAssociations($id_product_attribute)
	{
		$combinationImages = array();
		$data = Db::getInstance()->ExecuteS('
			SELECT `id_image`
			FROM `'._DB_PREFIX_.'product_attribute_image`
			WHERE `id_product_attribute` = '.(int)($id_product_attribute));
		foreach ($data AS $row)
			$combinationImages[] = (int)($row['id_image']);
		return $combinationImages;
	}

	public static function duplicateAccessories($id_product_old, $id_product_new)
	{
		$return = true;

		$result = Db::getInstance()->ExecuteS('
		SELECT *
		FROM `'._DB_PREFIX_.'accessory`
		WHERE `id_product_1` = '.(int)($id_product_old));
		foreach ($result as $row)
		{
			$data = array(
				'id_product_1' => (int)($id_product_new),
				'id_product_2' => (int)($row['id_product_2']));
			$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'accessory', $data, 'INSERT');
		}
		return $return;
	}

	public static function duplicateTags($id_product_old, $id_product_new)
	{
		$resource = Db::getInstance()->Execute('SELECT `id_tag` FROM `'._DB_PREFIX_.'product_tag` WHERE `id_product` = '.(int)($id_product_old));
		if (!Db::getInstance()->NumRows())
			return true;
		$query = 'INSERT INTO `'._DB_PREFIX_.'product_tag` (`id_product`, `id_tag`) VALUES';
		while ($row = Db::getInstance()->nextRow($resource))
			$query .= ' ('.(int)($id_product_new).', '.(int)($row['id_tag']).'),';
		$query = rtrim($query, ',');
		return Db::getInstance()->Execute($query);
	}

	public static function duplicateDownload($id_product_old, $id_product_new)
	{
		$resource = Db::getInstance()->Execute('SELECT `display_filename`, `physically_filename`, `date_deposit`, `date_expiration`, `nb_days_accessible`, `nb_downloadable`, `active` FROM `'._DB_PREFIX_.'product_download` WHERE `id_product` = '.(int)($id_product_old));
		if (!Db::getInstance()->NumRows())
			return true;
		$query = 'INSERT INTO `'._DB_PREFIX_.'product_download` (`id_product`, `display_filename`, `physically_filename`, `date_deposit`, `date_expiration`, `nb_days_accessible`, `nb_downloadable`, `active`) VALUES';
		while ($row = Db::getInstance()->nextRow($resource))
			$query .= ' ('.(int)($id_product_new).', \''.pSQL($row['display_filename']).'\', \''.pSQL($row['physically_filename']).'\', \''.pSQL($row['date_deposit']).'\', \''.pSQL($row['date_expiration']).'\', '.(int)($row['nb_days_accessible']).', '.(int)($row['nb_downloadable']).', '.(int)($row['active']).'),';
		$query = rtrim($query, ',');
		return Db::getInstance()->Execute($query);
	}

	/**
	* Duplicate features when duplicating a product
	*
	* @param integer $id_product_old Old product id
	* @param integer $id_product_old New product id
	*/
	public static function duplicateFeatures($id_product_old, $id_product_new)
	{
		$return = true;

		$result = Db::getInstance()->ExecuteS('
		SELECT *
		FROM `'._DB_PREFIX_.'feature_product`
		WHERE `id_product` = '.(int)($id_product_old));
		foreach ($result as $row)
		{
			$result2 = Db::getInstance()->getRow('
			SELECT *
			FROM `'._DB_PREFIX_.'feature_value`
			WHERE `id_feature_value` = '.(int)($row['id_feature_value']));
			// Custom feature value, need to duplicate it
			if ($result2['custom'])
			{
				$old_id_feature_value = $result2['id_feature_value'];
				unset($result2['id_feature_value']);
				$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'feature_value', $result2, 'INSERT');
				$max_fv = Db::getInstance()->getRow('
					SELECT MAX(`id_feature_value`) AS nb
					FROM `'._DB_PREFIX_.'feature_value`');
				$new_id_feature_value = $max_fv['nb'];
				$languages = Language::getLanguages();
				foreach ($languages as $language)
				{
					$result3 = Db::getInstance()->getRow('
					SELECT *
					FROM `'._DB_PREFIX_.'feature_value_lang`
					WHERE `id_feature_value` = '.(int)($old_id_feature_value).'
					AND `id_lang` = '.(int)($language['id_lang']));
					$result3['id_feature_value'] = $new_id_feature_value;
					$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'feature_value_lang', $result3, 'INSERT');
				}
				$row['id_feature_value'] = $new_id_feature_value;
			}
			$row['id_product'] = $id_product_new;
			$return &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'feature_product', $row, 'INSERT');
		}
		return $return;
	}

	static protected function _getCustomizationFieldsNLabels($productId)
	{
		$customizations = array();
		if (($customizations['fields'] = Db::getInstance()->ExecuteS('
			SELECT `id_customization_field`, `type`, `required`
			FROM `'._DB_PREFIX_.'customization_field`
			WHERE `id_product` = '.(int)($productId).'
			ORDER BY `id_customization_field`')) === false)
			return false;
		if (empty($customizations['fields']))
			return array();
		$customizationFieldIds = array();
		foreach ($customizations['fields'] AS $customizationField)
			$customizationFieldIds[] = (int)($customizationField['id_customization_field']);
		if (($customizationLabels = Db::getInstance()->ExecuteS('
			SELECT `id_customization_field`, `id_lang`, `name`
			FROM `'._DB_PREFIX_.'customization_field_lang`
			WHERE `id_customization_field` IN ('.implode(', ', $customizationFieldIds).')
			ORDER BY `id_customization_field`')) === false)
			return false;
		foreach ($customizationLabels AS $customizationLabel)
			$customizations['labels'][$customizationLabel['id_customization_field']][] = $customizationLabel;
		return $customizations;
	}

	public static function duplicateSpecificPrices($oldProductId, $productId)
	{
		foreach (SpecificPrice::getIdsByProductId((int)($oldProductId)) as $data)
		{
			$specificPrice = new SpecificPrice((int)($data['id_specific_price']));
			if (!$specificPrice->duplicate((int)($productId)))
				return false;
		}
		return true;
	}

	public static function duplicateCustomizationFields($oldProductId, $productId)
	{
		if (($customizations = self::_getCustomizationFieldsNLabels($oldProductId)) === false)
			return false;
		if (empty($customizations))
			return true;
		foreach ($customizations['fields'] AS $customizationField)
		{
			/* The new datas concern the new product */
			$customizationField['id_product'] = (int)($productId);
			$oldCustomizationFieldId = (int)($customizationField['id_customization_field']);
			unset($customizationField['id_customization_field']);
			if (!Db::getInstance()->AutoExecute(_DB_PREFIX_.'customization_field', $customizationField, 'INSERT') OR !$customizationFieldId = Db::getInstance()->Insert_ID())
				return false;
			if (isset($customizations['labels']))
			{
				$query = 'INSERT INTO `'._DB_PREFIX_.'customization_field_lang` (`id_customization_field`, `id_lang`, `name`) VALUES ';
				foreach ($customizations['labels'][$oldCustomizationFieldId] AS $customizationLabel)
					$query .= '('.(int)($customizationFieldId).', '.(int)($customizationLabel['id_lang']).', \''.pSQL($customizationLabel['name']).'\'), ';
				$query = rtrim($query, ', ');
				if (!Db::getInstance()->Execute($query))
					return false;
			}
		}
		return true;
	}

	/**
	* Get the link of the product page of this product
	*/
	public function getLink()
	{
		global $link;
		return $link->getProductLink($this);
	}

	public function getTags($id_lang)
	{
		if (!($this->tags AND key_exists($id_lang, $this->tags)))
			return '';
		$result = '';
		foreach ($this->tags[$id_lang] AS $tagName)
			$result .= $tagName.', ';
		return rtrim($result, ', ');
	}

	public static function defineProductImage($row, $id_lang)
	{
		if ($row['id_image'])
			return $row['id_product'].'-'.$row['id_image'];
		return Language::getIsoById((int)$id_lang).'-default';
	}

	protected static $producPropertiesCache = array();

	public static function getProductProperties($id_lang, $row)
	{
		if (!$row['id_product'])
			return false;

		// Product::getDefaultAttribute is only called if id_product_attribute is missing from the SQL query at the origin of it: consider adding it in order to avoid unnecessary queries
		$row['allow_oosp'] = Product::isAvailableWhenOutOfStock($row['out_of_stock']);
		if ((!isset($row['id_product_attribute']) OR !$row['id_product_attribute'])
			AND ((isset($row['cache_default_attribute']) AND ($ipa_default = $row['cache_default_attribute']) !== NULL)
				OR ($ipa_default = Product::getDefaultAttribute($row['id_product'], !$row['allow_oosp'])))
		)
			$row['id_product_attribute'] = $ipa_default;
		if (!isset($row['id_product_attribute']))
			$row['id_product_attribute'] = 0;

		// Tax
		$usetax = Tax::excludeTaxeOption();

		$cacheKey = $row['id_product'].'-'.$row['id_product_attribute'].'-'.$id_lang.'-'.(int)($usetax);
		if (array_key_exists($cacheKey, self::$producPropertiesCache))
			return self::$producPropertiesCache[$cacheKey];

		// Datas
		$link = new Link();
		$row['category'] = Category::getLinkRewrite((int)$row['id_category_default'], (int)($id_lang));
		$row['link'] = $link->getProductLink((int)$row['id_product'], $row['link_rewrite'], $row['category'], $row['ean13']);
		$row['attribute_price'] = (isset($row['id_product_attribute']) AND $row['id_product_attribute']) ? (float)(Product::getProductAttributePrice($row['id_product_attribute'])) : 0;
		$row['price_tax_exc'] = Product::getPriceStatic((int)$row['id_product'], false, ((isset($row['id_product_attribute']) AND !empty($row['id_product_attribute'])) ? (int)($row['id_product_attribute']) : NULL), (self::$_taxCalculationMethod == PS_TAX_EXC ? 2 : 6));
		if (self::$_taxCalculationMethod == PS_TAX_EXC)
		{
			$row['price_tax_exc'] = Tools::ps_round($row['price_tax_exc'], 2);
			$row['price'] = Product::getPriceStatic((int)$row['id_product'], true, ((isset($row['id_product_attribute']) AND !empty($row['id_product_attribute'])) ? (int)($row['id_product_attribute']) : 	NULL), 6);
		}
		else
			$row['price'] = Tools::ps_round(Product::getPriceStatic((int)$row['id_product'], true, ((isset($row['id_product_attribute']) AND !empty($row['id_product_attribute'])) ? (int)($row['id_product_attribute']) : NULL), 6), 2);

		$row['reduction'] = Product::getPriceStatic((int)($row['id_product']), (bool)$usetax, (int)($row['id_product_attribute']), 6, NULL, true, true, 1, true, NULL, NULL, NULL, $specific_prices);
        $row['specific_prices'] = $specific_prices;
		$row['price_without_reduction'] = Product::getPriceStatic((int)$row['id_product'], true, ((isset($row['id_product_attribute']) AND !empty($row['id_product_attribute'])) ? (int)($row['id_product_attribute']) : NULL), 6, NULL, false, false);
		if ($row['id_product_attribute'])
			$row['quantity'] = Product::getQuantity((int)$row['id_product'], $row['id_product_attribute'], isset($row['cache_is_pack']) ? $row['cache_is_pack'] : NULL);
		$row['id_image'] = Product::defineProductImage($row, $id_lang);
		$row['features'] = Product::getFrontFeaturesStatic((int)$id_lang, $row['id_product']);
		$row['attachments'] = ((!isset($row['cache_has_attachments']) OR $row['cache_has_attachments']) ? Product::getAttachmentsStatic((int)($id_lang), $row['id_product']) : array());

		// Pack management
		$row['pack'] = (!isset($row['cache_is_pack']) ? Pack::isPack($row['id_product']) : (int)$row['cache_is_pack']);
		$row['packItems'] = $row['pack'] ? Pack::getItemTable($row['id_product'], $id_lang) : array();
		$row['nopackprice'] = $row['pack'] ? Pack::noPackPrice($row['id_product']) : 0;
		if ($row['pack'] AND !Pack::isInStock($row['id_product']))
			$row['quantity'] =  0;

		self::$producPropertiesCache[$cacheKey] = $row;
		return self::$producPropertiesCache[$cacheKey];
	}

	public static function getProductsProperties($id_lang, $query_result)
	{
		$resultsArray = array();
		foreach ($query_result AS $row)
			if ($row2 = Product::getProductProperties($id_lang, $row))
				$resultsArray[] = $row2;
		return $resultsArray;
	}

	/*
	* Select all features for a given language
	*
	* @param $id_lang Language id
	* @return array Array with feature's data
	*/
	public static function getFrontFeaturesStatic($id_lang, $id_product)
	{
		if (!array_key_exists($id_product.'-'.$id_lang, self::$_frontFeaturesCache))
		{
			self::$_frontFeaturesCache[$id_product.'-'.$id_lang] = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT name, value, pf.id_feature
			FROM '._DB_PREFIX_.'feature_product pf
			LEFT JOIN '._DB_PREFIX_.'feature_lang fl ON (fl.id_feature = pf.id_feature AND fl.id_lang = '.(int)$id_lang.')
			LEFT JOIN '._DB_PREFIX_.'feature_value_lang fvl ON (fvl.id_feature_value = pf.id_feature_value AND fvl.id_lang = '.(int)$id_lang.')
			WHERE pf.id_product = '.(int)$id_product);
		}
		return self::$_frontFeaturesCache[$id_product.'-'.$id_lang];
	}

	public function getFrontFeatures($id_lang)
	{
		return self::getFrontFeaturesStatic($id_lang, $this->id);
	}

	public static function getAttachmentsStatic($id_lang, $id_product)
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT *
		FROM '._DB_PREFIX_.'product_attachment pa
		LEFT JOIN '._DB_PREFIX_.'attachment a ON a.id_attachment = pa.id_attachment
		LEFT JOIN '._DB_PREFIX_.'attachment_lang al ON (a.id_attachment = al.id_attachment AND al.id_lang = '.(int)($id_lang).')
		WHERE pa.id_product = '.(int)($id_product));
	}

	public function getAttachments($id_lang)
	{
		return self::getAttachmentsStatic($id_lang, $this->id);
	}

	/*
	** Customization management
	*/

	public static function getAllCustomizedDatas($id_cart, $id_lang = null)
	{
		global $cookie;
		// No need to query if there isn't any real cart!
		if (!$id_cart)
			return false;
		if (!$id_lang AND !is_null($cookie) AND $cookie->id_lang)
			$id_lang = $cookie->id_lang;
		else
		{
			$cart = new Cart((int)($id_cart));
			$id_lang = (int)($cart->id_lang);
		}

		if (!$result = Db::getInstance()->ExecuteS('
			SELECT cd.`id_customization`, c.`id_product`, cfl.`id_customization_field`, c.`id_product_attribute`, cd.`type`, cd.`index`, cd.`value`, cfl.`name`
			FROM `'._DB_PREFIX_.'customized_data` cd
			NATURAL JOIN `'._DB_PREFIX_.'customization` c
			LEFT JOIN `'._DB_PREFIX_.'customization_field_lang` cfl ON (cfl.id_customization_field = cd.`index` AND id_lang = '.(int)($id_lang).')
			WHERE c.`id_cart` = '.(int)$id_cart.'
			ORDER BY `id_product`, `id_product_attribute`, `type`, `index`'))
			return false;
		$customizedDatas = array();
		foreach ($result AS $row)
			$customizedDatas[(int)($row['id_product'])][(int)($row['id_product_attribute'])][(int)($row['id_customization'])]['datas'][(int)($row['type'])][] = $row;
		if (!$result = Db::getInstance()->ExecuteS('SELECT `id_product`, `id_product_attribute`, `id_customization`, `quantity`, `quantity_refunded`, `quantity_returned` FROM `'._DB_PREFIX_.'customization` WHERE `id_cart` = '.(int)($id_cart)))
			return false;
		foreach ($result AS $row)
		{
			$customizedDatas[(int)($row['id_product'])][(int)($row['id_product_attribute'])][(int)($row['id_customization'])]['quantity'] = (int)($row['quantity']);
			$customizedDatas[(int)($row['id_product'])][(int)($row['id_product_attribute'])][(int)($row['id_customization'])]['quantity_refunded'] = (int)($row['quantity_refunded']);
			$customizedDatas[(int)($row['id_product'])][(int)($row['id_product_attribute'])][(int)($row['id_customization'])]['quantity_returned'] = (int)($row['quantity_returned']);
		}
		return $customizedDatas;
	}


	/**
	 * @param int $id_customization
	 * @return bool
	 * @deprecated
	 */
	public function deleteCustomizedDatas($id_customization)
	{
		Tools::displayAsDeprecated();
		if (Pack::isPack((int)($product['id_product'])))
		{
			$products_pack = Pack::getItems((int)($product['id_product']), (int)(Configuration::get('PS_LANG_DEFAULT')));
			foreach($products_pack AS $product_pack)
			{
				$tab_product_pack['id_product'] = (int)($product_pack->id);
				$tab_product_pack['id_product_attribute'] = self::getDefaultAttribute($tab_product_pack['id_product'], 1);
				$tab_product_pack['cart_quantity'] = (int)($product_pack->pack_quantity * $product['cart_quantity']);
				self::updateQuantity($tab_product_pack);
			}
		}
		if (($result = Db::getInstance()->ExecuteS('SELECT `value` FROM `'._DB_PREFIX_.'customized_data` WHERE `id_customization` = '.(int)($id_customization).' AND `type` = '._CUSTOMIZE_FILE_)) === false)
			return false;
		foreach ($result AS $row)
			if (!@unlink(_PS_UPLOAD_DIR_.$row['value']) OR !@unlink(_PS_UPLOAD_DIR_.$row['value'].'_small'))
				return false;
		return (Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization` WHERE `id_customization` = '.(int)($id_customization)) AND Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customized_data` WHERE `id_customization` = '.(int)($id_customization)));
	}

	public static function addCustomizationPrice(&$products, &$customizedDatas)
	{
		foreach ($products AS &$productUpdate)
		{
			$customizationQuantity = 0;
			$customizationQuantityRefunded = 0;
			$customizationQuantityReturned = 0;
			/* Compatibility */
			$productId = (int)(isset($productUpdate['id_product']) ? $productUpdate['id_product'] : $productUpdate['product_id']);
			$productAttributeId = (int)(isset($productUpdate['id_product_attribute']) ? $productUpdate['id_product_attribute'] : $productUpdate['product_attribute_id']);
			$productQuantity = (int)(isset($productUpdate['cart_quantity']) ? $productUpdate['cart_quantity'] : $productUpdate['product_quantity']);
			$price = isset($productUpdate['price']) ? $productUpdate['price'] : $productUpdate['product_price'];
			$priceWt = $price * (1 + ((isset($productUpdate['tax_rate']) ? $productUpdate['tax_rate'] : $productUpdate['rate']) * 0.01));
			if (isset($customizedDatas[$productId][$productAttributeId]))
				foreach ($customizedDatas[$productId][$productAttributeId] AS $customization)
				{
					$customizationQuantity += (int)($customization['quantity']);
					$customizationQuantityRefunded += (int)($customization['quantity_refunded']);
					$customizationQuantityReturned += (int)($customization['quantity_returned']);
				}
			$productUpdate['customizationQuantityTotal'] = $customizationQuantity;
			$productUpdate['customizationQuantityRefunded'] = $customizationQuantityRefunded;
			$productUpdate['customizationQuantityReturned'] = $customizationQuantityReturned;
			if ($customizationQuantity)
			{
				$productUpdate['total_wt'] = $priceWt * ($productQuantity - $customizationQuantity);
				$productUpdate['total_customization_wt'] = $priceWt * $customizationQuantity;
				$productUpdate['total'] = $price * ($productQuantity - $customizationQuantity);
				$productUpdate['total_customization'] = $price * $customizationQuantity;
			}
		}
	}

	/*
	** Customization fields' label management
	*/

	protected function _checkLabelField($field, $value)
	{
		if (!Validate::isLabel($value))
			return false;
		$tmp = explode('_', $field);
		if (count($tmp) < 4)
			return false;
		return $tmp;
	}

	protected function _deleteOldLabels()
	{
		$max = array(_CUSTOMIZE_FILE_ => (int)(Tools::getValue('uploadable_files')), _CUSTOMIZE_TEXTFIELD_ => (int)(Tools::getValue('text_fields')));
		/* Get customization field ids */
		if (($result = Db::getInstance()->ExecuteS('SELECT `id_customization_field`, `type` FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id).' ORDER BY `id_customization_field`')) === false)
			return false;
		if (empty($result))
			return true;
		$customizationFields = array(_CUSTOMIZE_FILE_ => array(), _CUSTOMIZE_TEXTFIELD_ => array());
		foreach ($result AS $row)
			$customizationFields[(int)($row['type'])][] = (int)($row['id_customization_field']);
		$extraFile = count($customizationFields[_CUSTOMIZE_FILE_]) - $max[_CUSTOMIZE_FILE_];
		$extraText = count($customizationFields[_CUSTOMIZE_TEXTFIELD_]) - $max[_CUSTOMIZE_TEXTFIELD_];

		/* If too much inside the database, deletion */
		if ($extraFile > 0 AND count($customizationFields[_CUSTOMIZE_FILE_]) - $extraFile >= 0 AND
		(!Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id).' AND `type` = '._CUSTOMIZE_FILE_.' AND `id_customization_field` >= '.(int)($customizationFields[_CUSTOMIZE_FILE_][count($customizationFields[_CUSTOMIZE_FILE_]) - $extraFile]))
		OR !Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field_lang` WHERE `id_customization_field` NOT IN (SELECT `id_customization_field` FROM `'._DB_PREFIX_.'customization_field`)')))
			return false;

		if ($extraText > 0 AND count($customizationFields[_CUSTOMIZE_TEXTFIELD_]) - $extraText >= 0 AND
		(!Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id).' AND `type` = '._CUSTOMIZE_TEXTFIELD_.' AND `id_customization_field` >= '.(int)($customizationFields[_CUSTOMIZE_TEXTFIELD_][count($customizationFields[_CUSTOMIZE_TEXTFIELD_]) - $extraText]))
		OR !Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'customization_field_lang` WHERE `id_customization_field` NOT IN (SELECT `id_customization_field` FROM `'._DB_PREFIX_.'customization_field`)')))
			return false;
		return true;
	}

	protected function _createLabel(&$languages, $type)
	{
		/* Label insertion */
		if (!Db::getInstance()->Execute('INSERT INTO `'._DB_PREFIX_.'customization_field` (`id_product`, `type`, `required`) VALUES ('.(int)($this->id).', '.(int)($type).', 0)') OR !$id_customization_field = (int)(Db::getInstance()->Insert_ID()))
			return false;

		/* Multilingual label name creation */
		$values = '';
		foreach ($languages AS $language)
			$values .= '('.(int)($id_customization_field).', '.(int)($language['id_lang']).', \'\'), ';
		$values = rtrim($values, ', ');
		if (!Db::getInstance()->Execute('INSERT INTO `'._DB_PREFIX_.'customization_field_lang` (`id_customization_field`, `id_lang`, `name`) VALUES '.$values))
			return false;
		return true;
	}

	public function createLabels($uploadableFiles, $textFields)
	{
		$languages = Language::getLanguages();
		if ((int)($uploadableFiles) > 0)
			for ($i = 0; $i < (int)($uploadableFiles); $i++)
				if (!$this->_createLabel($languages, _CUSTOMIZE_FILE_))
					return false;
		if ((int)($textFields) > 0)
			for ($i = 0; $i < (int)($textFields); $i++)
				if (!$this->_createLabel($languages, _CUSTOMIZE_TEXTFIELD_))
					return false;
		return true;
	}

	public function updateLabels()
	{
		$hasRequiredFields = 0;
		foreach ($_POST AS $field => $value)
			/* Label update */
			if (strncmp($field, 'label_', 6) == 0)
			{
				if (!$tmp = $this->_checkLabelField($field, $value))
					return false;
				/* Multilingual label name update */
				if (!Db::getInstance()->Execute('
					INSERT INTO `'._DB_PREFIX_.'customization_field_lang`
					(`id_customization_field`, `id_lang`, `name`) VALUES ('.(int)($tmp[2]).', '.(int)($tmp[3]).', \''.pSQL($value).'\')
					ON DUPLICATE KEY UPDATE `name` = \''.pSQL($value).'\''))
					return false;
				$isRequired = isset($_POST['require_'.(int)($tmp[1]).'_'.(int)($tmp[2])]) ? 1 : 0;
				$hasRequiredFields |= $isRequired;
				/* Require option update */
				if (!Db::getInstance()->Execute('UPDATE `'._DB_PREFIX_.'customization_field` SET `required` = '.(int)($isRequired).' WHERE `id_customization_field` = '.(int)($tmp[2])))
					return false;
			}
		if ($hasRequiredFields AND !Db::getInstance()->Execute('UPDATE `'._DB_PREFIX_.'product` SET `customizable` = 2 WHERE `id_product` = '.(int)($this->id)))
			return false;
		if (!$this->_deleteOldLabels())
			return false;
		return true;
	}

	public function getCustomizationFields($id_lang = false)
	{
		if (!$result = Db::getInstance()->ExecuteS('
			SELECT cf.`id_customization_field`, cf.`type`, cf.`required`, cfl.`name`, cfl.`id_lang`
			FROM `'._DB_PREFIX_.'customization_field` cf
			NATURAL JOIN `'._DB_PREFIX_.'customization_field_lang` cfl
			WHERE cf.`id_product` = '.(int)($this->id).($id_lang ? ' AND cfl.`id_lang` = '.(int)($id_lang) : '').'
			ORDER BY cf.`id_customization_field`'))
			return false;
		if ($id_lang)
			return $result;
		$customizationFields = array();
		foreach ($result AS $row)
			$customizationFields[(int)($row['type'])][(int)($row['id_customization_field'])][(int)($row['id_lang'])] = $row;
		return $customizationFields;
	}

	public function getCustomizationFieldIds()
	{
		return Db::getInstance()->ExecuteS('SELECT `id_customization_field`, `type` FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id));
	}

	public function getRequiredCustomizableFields()
	{
		return Db::getInstance()->ExecuteS('SELECT `id_customization_field`, `type` FROM `'._DB_PREFIX_.'customization_field` WHERE `id_product` = '.(int)($this->id).' AND `required` = 1');
	}

	public function hasAllRequiredCustomizableFields()
	{
		global $cookie;

		$fields = array_merge($cookie->getFamily('pictures_'.(int)($this->id)), $cookie->getFamily('textFields_'.(int)($this->id)));
		if (($requiredFields = $this->getRequiredCustomizableFields()) === false)
			return false;
		$prefix = array(_CUSTOMIZE_FILE_ => 'pictures_'.(int)($this->id).'_', _CUSTOMIZE_TEXTFIELD_ => 'textFields_'.(int)($this->id).'_');
		foreach ($requiredFields AS $field)
			if (!isset($fields[$prefix[$field['type']].$field['id_customization_field']]) OR empty($fields[$prefix[$field['type']].$field['id_customization_field']]))
				return false;
		return true;
	}

	/**
	* Specify if a product is already in database
	*
	* @param $id_product Product id
	* @return boolean
	*/
	public static function existsInDatabase($id_product)
	{
		$row = Db::getInstance()->getRow('
		SELECT `id_product`
		FROM '._DB_PREFIX_.'product p
		WHERE p.`id_product` = '.(int)($id_product));

		return isset($row['id_product']);
	}

	public static function idIsOnCategoryId($id_product, $categories)
	{
		$sql = 'SELECT id_product FROM `'._DB_PREFIX_.'category_product` WHERE `id_product`='.(int)($id_product).' AND `id_category` IN(';
		foreach ($categories AS $category)
			$sql .= (int)($category['id_category']).',';
		$sql = rtrim($sql, ',').')';

		if (isset(self::$_incat[md5($sql)]))
			return self::$_incat[md5($sql)];

		if (!Db::getInstance(_PS_USE_SQL_SLAVE_)->Execute($sql))
			return false;
		self::$_incat[md5($sql)] =  (Db::getInstance(_PS_USE_SQL_SLAVE_)->NumRows() > 0 ? true : false);
		return self::$_incat[md5($sql)];
	}

	public function getNoPackPrice()
	{
		return Pack::noPackPrice($this->id);
	}

	public function checkAccess($id_customer)
	{
		if (!$id_customer)
		{
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT ctg.`id_group`
			FROM `'._DB_PREFIX_.'category_product` cp
			INNER JOIN `'._DB_PREFIX_.'category_group` ctg ON (ctg.`id_category` = cp.`id_category`)
			WHERE cp.`id_product` = '.(int)($this->id).' AND ctg.`id_group` = 1');
		} else {
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT cg.`id_group`
			FROM `'._DB_PREFIX_.'category_product` cp
			INNER JOIN `'._DB_PREFIX_.'category_group` ctg ON (ctg.`id_category` = cp.`id_category`)
			INNER JOIN `'._DB_PREFIX_.'customer_group` cg ON (cg.`id_group` = ctg.`id_group`)
			WHERE cp.`id_product` = '.(int)($this->id).' AND cg.`id_customer` = '.(int)($id_customer));
		}
		if ($result AND isset($result['id_group']) AND $result['id_group'])
			return true;
		return false;
	}

	public function addStockMvt($quantity, $id_reason, $id_product_attribute = NULL, $id_order = NULL, $id_employee = NULL)
	{
		$stockMvt = new StockMvt();
		$stockMvt->id_product = (int)$this->id;
		$stockMvt->id_product_attribute = (int)$id_product_attribute;
		$stockMvt->id_order = (int)$id_order;
		$stockMvt->id_employee = (int)$id_employee;
		$stockMvt->quantity = (int)$quantity;
		$stockMvt->id_stock_mvt_reason = (int)$id_reason;
		return $stockMvt->add();
	}

	public function getStockMvts($id_lang)
	{
		return Db::getInstance()->ExecuteS('
		SELECT sm.id_stock_mvt, sm.date_add, sm.quantity, sm.id_order, CONCAT(pl.name, \' \', GROUP_CONCAT(IFNULL(al.name, \'\'), \'\')) product_name, CONCAT(e.lastname, \' \', e.firstname) employee, mrl.name reason
		FROM `'._DB_PREFIX_.'stock_mvt` sm
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (sm.id_product = pl.id_product AND pl.id_lang = '.(int)$id_lang.')
		LEFT JOIN `'._DB_PREFIX_.'stock_mvt_reason_lang` mrl ON (sm.id_stock_mvt_reason = mrl.id_stock_mvt_reason AND mrl.id_lang = '.(int)$id_lang.')
		LEFT JOIN `'._DB_PREFIX_.'employee` e ON (e.id_employee = sm.id_employee)
		LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON (pac.id_product_attribute = sm.id_product_attribute)
		LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON (al.id_attribute = pac.id_attribute AND al.id_lang = '.(int)$id_lang.')
		WHERE sm.id_product='.(int)$this->id.'
		GROUP BY sm.id_stock_mvt');
	}

	public function setWsCategories($values)
	{
		$ids = array();
		foreach ($values as $value)
			$ids[] = $value['id'];
		if ($this->deleteCategories())
		{
			if ($ids)
			{
				$sqlValues = '';
				$ids = array_map('intval', $ids);
				foreach ($ids as $position => $id)
					$sqlValues[] = '('.(int)$id.', '.(int)$this->id.', '.(int)$position.')';
				$result = Db::getInstance()->Execute('
					INSERT INTO `'._DB_PREFIX_.'category_product` (`id_category`, `id_product`, `position`)
					VALUES '.implode(',', $sqlValues)
				);
				return $result;
			}
		}
		return false;
	}

	public function getWsCategories()
	{
		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT `id_category` AS id FROM `'._DB_PREFIX_.'category_product` WHERE `id_product` = '.(int)$this->id);
		return $result;
	}

	/**
	 * @deprecated
	 */
	public function getBasicPrice()
	{
		Tools::displayAsDeprecated();
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('SELECT `price` FROM `'._DB_PREFIX_.'product` WHERE `id_product` = '.(int)($this->id));
	}

	public static function getUrlRewriteInformations($id_product)
	{
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
		SELECT pl.`id_lang`, pl.`link_rewrite`, p.`ean13`, cl.`link_rewrite` AS category_rewrite
		FROM `'._DB_PREFIX_.'product` p
		LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product`)
		LEFT JOIN `'._DB_PREFIX_.'lang` l ON (pl.`id_lang` = l.`id_lang`)
		LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON (cl.`id_category` = p.`id_category_default`  AND cl.`id_lang` = pl.`id_lang`)
		WHERE p.`id_product` = '.(int)$id_product. '
		AND l.`active` = 1');
	}

	public static function getIdTaxRulesGroupByIdProduct($id_product)
	{
        if (!isset(self::$_tax_rules_group[$id_product]))
        {
	        $id_group = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
	        SELECT `id_tax_rules_group`
	        FROM `'._DB_PREFIX_.'product`
	        WHERE `id_product` = '.(int)$id_product);
	        self::$_tax_rules_group[$id_product] = $id_group;
        }
	    return self::$_tax_rules_group[$id_product];
	}
}

