<?php
/**
* ProductSale class, ProductSale.php
* Product sale management
* @category classes
*
* @author PrestaShop <support@prestashop.com>
* @copyright PrestaShop
* @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
* @version 1.3
*
*/
class ProductSale
{
/*
** Fill the `product_sale` SQL table with data from `order_detail`
** @return bool True on success
*/
static public function fillProductSales()
{
return Db::getInstance()->Execute('
REPLACE INTO '._DB_PREFIX_.'product_sale
(`id_product`, `quantity`, `sale_nbr`, `date_upd`)
SELECT od.product_id, COUNT(od.product_id), SUM(od.product_quantity), NOW()
FROM '._DB_PREFIX_.'order_detail od GROUP BY od.product_id');
}
/*
** Get number of actives products sold
** @return int number of actives products listed in product_sales
*/
static public function getNbSales()
{
$result = Db::getInstance()->getRow('
SELECT COUNT(ps.`id_product`) AS nb
FROM `'._DB_PREFIX_.'product_sale` ps
LEFT JOIN `'._DB_PREFIX_.'product` p ON p.`id_product` = ps.`id_product`
WHERE p.`active` = 1');
return intval($result['nb']);
}
/*
** Get required informations on best sales products
**
** @param integer $id_lang Language id
** @param integer $pageNumber Start from (optional)
** @param integer $nbProducts Number of products to return (optional)
** @return array from Product::getProductProperties
*/
static public function getBestSales($id_lang, $pageNumber = 0, $nbProducts = 10, $orderBy=NULL, $orderWay=NULL)
{
global $link, $cookie;
if ($pageNumber < 0) $pageNumber = 0;
if ($nbProducts < 1) $nbProducts = 10;
if (empty($orderBy) || $orderBy == 'position') $orderBy = 'sales';
if (empty($orderWay)) $orderWay = 'DESC';
$result = Db::getInstance()->ExecuteS('
SELECT p.*,
pl.`description`, pl.`description_short`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`, pl.`name`,
i.`id_image`, il.`legend`,
ps.`quantity` AS sales, t.`rate`, pl.`meta_keywords`, pl.`meta_title`, pl.`meta_description`
FROM `'._DB_PREFIX_.'product_sale` ps
LEFT JOIN `'._DB_PREFIX_.'product` p ON ps.`id_product` = p.`id_product`
LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.intval($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` = '.intval($id_lang).')
LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = p.`id_tax`)
WHERE p.`active` = 1
AND p.`id_product` IN (
SELECT cp.`id_product`
FROM `'._DB_PREFIX_.'category_group` cg
LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON (cp.`id_category` = cg.`id_category`)
WHERE cg.`id_group` '.(!$cookie->id_customer ? '= 1' : 'IN (SELECT id_group FROM '._DB_PREFIX_.'customer_group WHERE id_customer = '.intval($cookie->id_customer).')').'
)
ORDER BY '.(isset($orderByPrefix) ? $orderByPrefix.'.' : '').'`'.pSQL($orderBy).'` '.pSQL($orderWay).'
LIMIT '.intval($pageNumber * $nbProducts).', '.intval($nbProducts));
if($orderBy == 'price')
{
Tools::orderbyPrice($result,$orderWay);
}
if (!$result)
return false;
return Product::getProductsProperties($id_lang, $result);
}
/*
** Get required informations on best sales products
**
** @param integer $id_lang Language id
** @param integer $pageNumber Start from (optional)
** @param integer $nbProducts Number of products to return (optional)
** @return array keys : id_product, link_rewrite, name, id_image, legend, sales, ean13 , link
*/
static public function getBestSalesLight($id_lang, $pageNumber = 0, $nbProducts = 10)
{
global $link, $cookie;
if ($pageNumber < 0) $pageNumber = 0;
if ($nbProducts < 1) $nbProducts = 10;
$result = Db::getInstance()->ExecuteS('
SELECT p.id_product, pl.`link_rewrite`, pl.`name`, pl.`description_short`, i.`id_image`, il.`legend`, ps.`quantity` AS sales, p.`ean13`, cl.`link_rewrite` AS category
FROM `'._DB_PREFIX_.'product_sale` ps
LEFT JOIN `'._DB_PREFIX_.'product` p ON ps.`id_product` = p.`id_product`
LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.intval($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` = '.intval($id_lang).')
LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON (cl.`id_category` = p.`id_category_default` AND cl.`id_lang` = '.intval($id_lang).')
WHERE p.`active` = 1
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` '.(!$cookie->id_customer ? '= 1' : 'IN (SELECT id_group FROM '._DB_PREFIX_.'customer_group WHERE id_customer = '.intval($cookie->id_customer).')').'
)
GROUP BY p.`id_product`
ORDER BY sales DESC
LIMIT '.intval($pageNumber * $nbProducts).', '.intval($nbProducts));
if (!$result)
return $result;
foreach ($result AS &$row)
{
$row['link'] = $link->getProductLink($row['id_product'], $row['link_rewrite'], $row['category'], $row['ean13']);
$row['id_image'] = Product::defineProductImage($row);
}
return $result;
}
static public function addProductSale($product_id, $qty = 1)
{
return Db::getInstance()->Execute('
INSERT INTO '._DB_PREFIX_.'product_sale
(`id_product`, `quantity`, `sale_nbr`, `date_upd`)
VALUES ('.intval($product_id).', '.intval($qty).', 1, NOW())
ON DUPLICATE KEY UPDATE `quantity` = `quantity` + '.intval($qty).', `sale_nbr` = `sale_nbr` + 1, `date_upd` = NOW()');
}
static public function getNbrSales($id_product)
{
$result = Db::getInstance()->getRow('SELECT `sale_nbr` FROM '._DB_PREFIX_.'product_sale WHERE `id_product` = '.intval($id_product));
if (!$result OR empty($result) OR !key_exists('sale_nbr', $result))
return -1;
return intval($result['sale_nbr']);
}
static public function removeProductSale($id_product, $qty = 1)
{
$nbrSales = self::getNbrSales($id_product);
if ($nbrSales > 1)
return Db::getInstance()->Execute('UPDATE '._DB_PREFIX_.'product_sale SET `quantity` = `quantity` - '.intval($qty).', `sale_nbr` = `sale_nbr` - 1, `date_upd` = NOW() WHERE `id_product` = '.intval($id_product));
elseif ($nbrSales == 1)
return Db::getInstance()->Execute('DELETE FROM '._DB_PREFIX_.'product_sale WHERE `id_product` = '.intval($id_product));
return true;
}
}
?>