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rGaillard
2011-07-06 10:10:43 +00:00
parent 31d94236ac
commit d1a13007b9
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classes/SpecificPrice.php
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<?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
*/
class SpecificPriceCore extends ObjectModel
{
public $id_product;
public $id_shop;
public $id_currency;
public $id_country;
public $id_group;
public $price;
public $from_quantity;
public $reduction;
public $reduction_type;
public $from;
public $to;
protected $fieldsRequired = array('id_product', 'id_shop', 'id_currency', 'id_country', 'id_group', 'price', 'from_quantity', 'reduction', 'reduction_type', 'from', 'to');
protected $fieldsValidate = array('id_product' => 'isUnsignedId', 'id_shop' => 'isUnsignedId', 'id_country' => 'isUnsignedId', 'id_group' => 'isUnsignedId', 'price' => 'isPrice', 'from_quantity' => 'isUnsignedInt', 'reduction' => 'isPrice', 'reduction_type' => 'isReductionType', 'from' => 'isDateFormat', 'to' => 'isDateFormat');
protected $table = 'specific_price';
protected $identifier = 'id_specific_price';
protected static $_specificPriceCache = array();
protected static $_cache_priorities = array();
public function getFields()
{
parent::validateFields();
$fields['id_product'] = (int)($this->id_product);
$fields['id_shop'] = (int)($this->id_shop);
$fields['id_currency'] = (int)($this->id_currency);
$fields['id_country'] = (int)($this->id_country);
$fields['id_group'] = (int)($this->id_group);
$fields['price'] = (float)($this->price);
$fields['from_quantity'] = (int)($this->from_quantity);
$fields['reduction'] = (float)($this->reduction);
$fields['reduction_type'] = pSQL($this->reduction_type);
$fields['from'] = pSQL($this->from);
$fields['to'] = pSQL($this->to);
return $fields;
}
static public function getByProductId($id_product)
{
return Db::getInstance()->ExecuteS('
SELECT * FROM `'._DB_PREFIX_.'specific_price` WHERE `id_product` = '.(int)($id_product)
);
}
static public function getIdsByProductId($id_product)
{
return Db::getInstance()->ExecuteS('
SELECT `id_specific_price` FROM `'._DB_PREFIX_.'specific_price` WHERE `id_product` = '.(int)$id_product.'
');
}
// score generation for quantity discount
protected static function _getScoreQuery($id_product, $id_shop, $id_currency, $id_country, $id_group)
{
$select = '(';
$now = date('Y-m-d H:i:s');
$select .= ' IF (\''.$now.'\' >= `from` AND \''.$now.'\' <= `to`, '.pow(2, 0).', 0) + ';
$priority = SpecificPrice::getPriority($id_product);
foreach (array_reverse($priority) AS $k => $field)
$select .= ' IF (`'.$field.'` = '.(int)(${$field}).', '.pow(2, $k + 1).', 0) + ';
return rtrim($select, ' +').') AS `score`';
}
public static function getPriority($id_product)
{
if (!isset(self::$_cache_priorities[(int)$id_product]))
{
self::$_cache_priorities[(int)$id_product] = Db::getInstance()->getValue('
SELECT `priority`
FROM `'._DB_PREFIX_.'specific_price_priority`
WHERE `id_product` = '.(int)$id_product);
}
$priority = self::$_cache_priorities[(int)$id_product];
if (!$priority)
$priority = Configuration::get('PS_SPECIFIC_PRICE_PRIORITIES');
return preg_split('/;/', $priority);
}
static public function getSpecificPrice($id_product, $id_shop, $id_currency, $id_country, $id_group, $quantity)
{
/*
** The date is not taken into account for the cache, but this is for the better because it keeps the consistency for the whole script.
** The price must not change between the top and the bottom of the page
*/
$key = ((int)$id_product.'-'.(int)$id_shop.'-'.(int)$id_currency.'-'.(int)$id_country.'-'.(int)$id_group.'-'.(int)$quantity);
if (!array_key_exists($key, self::$_specificPriceCache))
{
$now = date('Y-m-d H:i:s');
self::$_specificPriceCache[$key] = Db::getInstance()->getRow('
SELECT *, '.self::_getScoreQuery($id_product, $id_shop, $id_currency, $id_country, $id_group).'
FROM `'._DB_PREFIX_.'specific_price`
WHERE `id_product` IN (0, '.(int)$id_product.')
AND `id_shop` IN (0, '.(int)$id_shop.')
AND `id_currency` IN (0, '.(int)$id_currency.')
AND `id_country` IN (0, '.(int)$id_country.')
AND `id_group` IN (0, '.(int)$id_group.')
AND `from_quantity` <= '.(int)$quantity.'
AND (`from` = \'0000-00-00 00:00:00\' OR (\''.$now.'\' >= `from` AND \''.$now.'\' <= `to`))
ORDER BY `score` DESC, `from_quantity` DESC');
}
return self::$_specificPriceCache[$key];
}
static public function setPriorities($priorities)
{
$value = '';
foreach ($priorities as $priority)
$value .= pSQL($priority).';';
SpecificPrice::deletePriorities();
return Configuration::updateValue('PS_SPECIFIC_PRICE_PRIORITIES', rtrim($value, ';'));
}
public static function deletePriorities()
{
return Db::getInstance()->Execute('
TRUNCATE `'._DB_PREFIX_.'specific_price_priority`
');
}
static public function setSpecificPriority($id_product, $priorities)
{
$fields = '';
$value = '';
foreach ($priorities as $priority)
$value .= pSQL($priority).';';
return Db::getInstance()->Execute('
INSERT INTO `'._DB_PREFIX_.'specific_price_priority` (`id_product`, `priority`)
VALUES ('.(int)$id_product.',\''.rtrim($value, ';').'\')
ON DUPLICATE KEY UPDATE `priority` = \''.rtrim($value, ';').'\'
');
}
static public function getQuantityDiscounts($id_product, $id_shop, $id_currency, $id_country, $id_group)
{
$now = date('Y-m-d H:i:s');
$res = Db::getInstance()->ExecuteS('
SELECT *,
'.self::_getScoreQuery($id_product, $id_shop, $id_currency, $id_country, $id_group).'
FROM `'._DB_PREFIX_.'specific_price`
WHERE `id_product` IN(0, '.(int)($id_product).') AND
`id_shop` IN(0, '.(int)($id_shop).') AND
`id_currency` IN(0, '.(int)($id_currency).') AND
`id_country` IN(0, '.(int)($id_country).') AND
`id_group` IN(0, '.(int)($id_group).') AND
(`from` = \'0000-00-00 00:00:00\' OR (\''.$now.'\' >= `from` AND \''.$now.'\' <= `to`))
ORDER BY `score` DESC, `from_quantity` DESC
');
$targeted_prices = array();
$max_score = NULL;
foreach($res as $specific_price)
{
if (!isset($max_score))
$max_score = $specific_price['score'];
else if ($max_score != $specific_price['score'])
break;
if ($specific_price['from_quantity'] > 1)
$targeted_prices[] = $specific_price;
}
return $targeted_prices;
}
static public function getQuantityDiscount($id_product, $id_shop, $id_currency, $id_country, $id_group, $quantity)
{
$now = date('Y-m-d H:i:s');
return Db::getInstance()->getRow('
SELECT *,
'.self::_getScoreQuery($id_product, $id_shop, $id_currency, $id_country, $id_group).'
FROM `'._DB_PREFIX_.'specific_price`
WHERE `id_product` IN(0, '.(int)($id_product).') AND
`id_shop` IN(0, '.(int)($id_shop).') AND
`id_currency` IN(0, '.(int)($id_currency).') AND
`id_country` IN(0, '.(int)($id_country).') AND
`id_group` IN(0, '.(int)($id_group).') AND
`from_quantity` >= '.(int)($quantity).' AND
(`from` = \'0000-00-00 00:00:00\' OR (\''.$now.'\' >= `from` AND \''.$now.'\' <= `to`))
ORDER BY `score` DESC, `from_quantity` DESC
');
}
static public function getProductIdByDate($id_shop, $id_currency, $id_country, $id_group, $beginning, $ending)
{
$resource = Db::getInstance()->ExecuteS('
SELECT `id_product`
FROM `'._DB_PREFIX_.'specific_price`
WHERE `id_shop` IN(0, '.(int)($id_shop).') AND
`id_currency` IN(0, '.(int)($id_currency).') AND
`id_country` IN(0, '.(int)($id_country).') AND
`id_group` IN(0, '.(int)($id_group).') AND
`from_quantity` = 1 AND
(`from` = \'0000-00-00 00:00:00\' OR (\''.$beginning.'\' >= `from` AND \''.$ending.'\' <= `to`)) AND
`reduction` > 0
', false);
$ids_product = array();
while ($row = DB::getInstance()->nextRow($resource))
$ids_product[] = (int)($row['id_product']);
return $ids_product;
}
static public function deleteByProductId($id_product)
{
return Db::getInstance()->Execute('DELETE FROM `'._DB_PREFIX_.'specific_price` WHERE `id_product` = '.(int)($id_product));
}
public function duplicate($id_product = false)
{
if ($id_product)
$this->id_product = (int)($id_product);
return $this->add();
}
}