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CartRule.php
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CartRule.php
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<?php
/*
* 2007-2012 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 [email protected] so we can send you a copy 502immediately.
*
* 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 <[email protected]>
* @copyright 2007-2012 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class CartRuleCore extends ObjectModel
{
/* Filters used when retrieving the cart rules applied to a cart of when calculating the value of a reduction */
const FILTER_ACTION_ALL = 1;
const FILTER_ACTION_SHIPPING = 2;
const FILTER_ACTION_REDUCTION = 3;
const FILTER_ACTION_GIFT = 4;
/* This variable controls that a free gift is offered only once, even when multi-shippping is activated and the same product is delivered in both addresses */
protected static $only_one_gift = array();
public $id;
public $name;
public $id_customer;
public $date_from;
public $date_to;
public $description;
public $quantity = 1;
public $quantity_per_user = 1;
public $priority = 1;
public $partial_use = 1;
public $code;
public $minimum_amount;
public $minimum_amount_tax;
public $minimum_amount_currency;
public $minimum_amount_shipping;
public $country_restriction;
public $carrier_restriction;
public $group_restriction;
public $cart_rule_restriction;
public $product_restriction;
public $shop_restriction;
public $free_shipping;
public $reduction_percent;
public $reduction_amount;
public $reduction_tax;
public $reduction_currency;
public $reduction_product;
public $gift_product;
public $gift_product_attribute;
public $highlight;
public $active = 1;
public $date_add;
public $date_upd;
/**
* @see ObjectModel::$definition
*/
public static $definition = array(
'table' => 'cart_rule',
'primary' => 'id_cart_rule',
'multilang' => true,
'fields' => array(
'id_customer' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
'date_from' => array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'required' => true),
'date_to' => array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'required' => true),
'description' => array('type' => self::TYPE_STRING, 'validate' => 'isCleanHtml', 'size' => 65534),
'quantity' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
'quantity_per_user' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
'priority' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
'partial_use' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'code' => array('type' => self::TYPE_STRING, 'validate' => 'isCleanHtml', 'size' => 254),
'minimum_amount' => array('type' => self::TYPE_FLOAT, 'validate' => 'isFloat'),
'minimum_amount_tax' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'minimum_amount_currency' =>array('type' => self::TYPE_INT, 'validate' => 'isInt'),
'minimum_amount_shipping' =>array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'country_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'carrier_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'group_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'cart_rule_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'product_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'shop_restriction' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'free_shipping' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'reduction_percent' => array('type' => self::TYPE_FLOAT, 'validate' => 'isPercentage'),
'reduction_amount' => array('type' => self::TYPE_FLOAT, 'validate' => 'isFloat'),
'reduction_tax' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'reduction_currency' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
'reduction_product' => array('type' => self::TYPE_INT, 'validate' => 'isInt'),
'gift_product' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
'gift_product_attribute' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
'highlight' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'active' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
'date_add' => array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
'date_upd' => array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
// Lang fields
'name' => array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'required' => true, 'size' => 254),
),
);
/**
* @see ObjectModel::add()
*/
public function add($autodate = true, $nullValues = false)
{
if (!parent::add($autodate, $nullValues))
return false;
Configuration::updateGlobalValue('PS_CART_RULE_FEATURE_ACTIVE', '1');
return true;
}
/**
* @see ObjectModel::delete()
*/
public function delete()
{
if (!parent::delete())
return false;
Configuration::updateGlobalValue('PS_CART_RULE_FEATURE_ACTIVE', CartRule::isCurrentlyUsed($this->def['table'], true));
$r = Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_cart_rule` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_carrier` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_shop` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_group` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_country` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_combination` WHERE `id_cart_rule_1` = '.(int)$this->id.' OR `id_cart_rule_2` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_product_rule_group` WHERE `id_cart_rule` = '.(int)$this->id);
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_product_rule` WHERE `id_product_rule_group` NOT IN (SELECT `id_product_rule_group` FROM `'._DB_PREFIX_.'cart_rule_product_rule_group`)');
$r &= Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_product_rule_value` WHERE `id_product_rule` NOT IN (SELECT `id_product_rule` FROM `'._DB_PREFIX_.'cart_rule_product_rule`)');
return $r;
}
/**
* Copy conditions from one cart rule to an other
*
* @static
* @param int $id_cart_rule_source
* @param int $id_cart_rule_destination
*/
public static function copyConditions($id_cart_rule_source, $id_cart_rule_destination)
{
Db::getInstance()->execute('
INSERT INTO `'._DB_PREFIX_.'cart_rule_shop` (`id_cart_rule`, `id_shop`)
(SELECT '.(int)$id_cart_rule_destination.', id_shop FROM `'._DB_PREFIX_.'cart_rule_shop` WHERE `id_cart_rule` = '.(int)$id_cart_rule_source.')');
Db::getInstance()->execute('
INSERT INTO `'._DB_PREFIX_.'cart_rule_carrier` (`id_cart_rule`, `id_carrier`)
(SELECT '.(int)$id_cart_rule_destination.', id_carrier FROM `'._DB_PREFIX_.'cart_rule_carrier` WHERE `id_cart_rule` = '.(int)$id_cart_rule_source.')');
Db::getInstance()->execute('
INSERT INTO `'._DB_PREFIX_.'cart_rule_group` (`id_cart_rule`, `id_group`)
(SELECT '.(int)$id_cart_rule_destination.', id_group FROM `'._DB_PREFIX_.'cart_rule_group` WHERE `id_cart_rule` = '.(int)$id_cart_rule_source.')');
Db::getInstance()->execute('
INSERT INTO `'._DB_PREFIX_.'cart_rule_country` (`id_cart_rule`, `id_country`)
(SELECT '.(int)$id_cart_rule_destination.', id_country FROM `'._DB_PREFIX_.'cart_rule_country` WHERE `id_cart_rule` = '.(int)$id_cart_rule_source.')');
Db::getInstance()->execute('
INSERT INTO `'._DB_PREFIX_.'cart_rule_combination` (`id_cart_rule_1`, `id_cart_rule_2`)
(SELECT '.(int)$id_cart_rule_destination.', IF(id_cart_rule_1 != '.(int)$id_cart_rule_source.', id_cart_rule_1, id_cart_rule_2) FROM `'._DB_PREFIX_.'cart_rule_combination`
WHERE `id_cart_rule_1` = '.(int)$id_cart_rule_source.' OR `id_cart_rule_2` = '.(int)$id_cart_rule_source.')');
// Todo : should be changed soon, be must be copied too
// Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_product_rule` WHERE `id_cart_rule` = '.(int)$this->id);
// Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'cart_rule_product_rule_value` WHERE `id_product_rule` NOT IN (SELECT `id_product_rule` FROM `'._DB_PREFIX_.'cart_rule_product_rule`)');
}
/**
* Retrieves the id associated to the given code
*
* @static
* @param string $code
* @return int|bool
*/
public static function getIdByCode($code)
{
if (!Validate::isCleanHtml($code))
return false;
return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('SELECT `id_cart_rule` FROM `'._DB_PREFIX_.'cart_rule` WHERE `code` = \''.pSQL($code).'\'');
}
/**
* @static
* @param $id_lang
* @param $id_customer
* @param bool $active
* @param bool $includeGeneric
* @param bool $inStock
* @param Cart|null $cart
* @return array
*/
public static function getCustomerCartRules($id_lang, $id_customer, $active = false, $includeGeneric = true, $inStock = false, Cart $cart = null)
{
if (!CartRule::isFeatureActive())
return array();
$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
SELECT *
FROM `'._DB_PREFIX_.'cart_rule` cr
LEFT JOIN `'._DB_PREFIX_.'cart_rule_lang` crl ON (cr.`id_cart_rule` = crl.`id_cart_rule` AND crl.`id_lang` = '.(int)$id_lang.')
WHERE (
cr.`id_customer` = '.(int)$id_customer.'
'.($includeGeneric ? 'OR cr.`id_customer` = 0' : '').'
)
AND highlight = 1
'.($active ? 'AND cr.`active` = 1' : '').'
'.($inStock ? 'AND cr.`quantity` > 0' : ''));
// Remove cart rule that does not match the customer groups
if ($includeGeneric)
{
$customerGroups = Customer::getGroupsStatic($id_customer);
foreach ($result as $key => $cart_rule)
if ($cart_rule['group_restriction'])
{
$cartRuleGroups = Db::getInstance()->getValue('SELECT id_group FROM '._DB_PREFIX_.'cart_rule_group WHERE id_cart_rule = '.(int)$cart_rule['id_cart_rule']);
foreach ($cartRuleGroups as $cartRuleGroup)
if (in_array($cartRuleGroups['id_group'], $customerGroups))
continue 2;
unset($result[$key]);
}
}
foreach ($result as &$cart_rule)
if ($cart_rule['quantity_per_user'])
{
$quantity_used = Order::getDiscountsCustomer((int)$id_customer, (int)$cart_rule['id_cart_rule']);
if (isset($cart) && isset($cart->id))
$quantity_used += $cart->getDiscountsCustomer((int)$cart_rule['id_cart_rule']);
$cart_rule['quantity_for_user'] = $cart_rule['quantity_per_user'] - $quantity_used;
}
else
$cart_rule['quantity_for_user'] = 0;
// Retrocompatibility with 1.4 discounts
foreach ($result as &$cart_rule)
{
$cart_rule['value'] = 0;
$cart_rule['minimal'] = $cart_rule['minimum_amount'];
$cart_rule['cumulable'] = !$cart_rule['cart_rule_restriction'];
$cart_rule['id_discount_type'] = false;
if ($cart_rule['free_shipping'])
$cart_rule['id_discount_type'] = Discount::FREE_SHIPPING;
elseif ($cart_rule['reduction_percent'] > 0)
{
$cart_rule['id_discount_type'] = Discount::PERCENT;
$cart_rule['value'] = $cart_rule['reduction_percent'];
}
elseif ($cart_rule['reduction_amount'] > 0)
{
$cart_rule['id_discount_type'] = Discount::AMOUNT;
$cart_rule['value'] = $cart_rule['reduction_amount'];
}
}
return $result;
}
/**
* @param $id_customer
* @return bool
*/
public function usedByCustomer($id_customer)
{
return (bool)Db::getInstance()->getValue('
SELECT id_cart_rule
FROM `'._DB_PREFIX_.'order_cart_rule` ocr
LEFT JOIN `'._DB_PREFIX_.'orders` o ON ocr.`id_order` = o.`id_order`
WHERE ocr.`id_cart_rule` = '.(int)$this->id.'
AND o.`id_customer` = '.(int)$id_customer);
}
/**
* @static
* @param $name
* @return bool
*/
public static function cartRuleExists($name)
{
if (!CartRule::isFeatureActive())
return false;
return (bool)Db::getInstance()->getValue('
SELECT `id_cart_rule`
FROM `'._DB_PREFIX_.'cart_rule`
WHERE `code` = \''.pSQL($name).'\'');
}
/**
* @static
* @param $id_customer
* @return bool
*/
public static function deleteByIdCustomer($id_customer)
{
$return = true;
$cart_rules = new Collection('CartRule');
$cart_rules->where('id_customer', '=', $id_customer);
foreach ($cart_rules as $cart_rule)
$return &= $cart_rule->delete();
return $return;
}
/**
* @return array
*/
public function getProductRuleGroups()
{
if (!Validate::isLoadedObject($this) || $this->product_restriction == 0)
return array();
$productRuleGroups = array();
$results = Db::getInstance()->executeS('
SELECT *
FROM '._DB_PREFIX_.'cart_rule_product_rule_group prg
WHERE prg.id_cart_rule = '.(int)$this->id, false);
foreach ($results as $row)
{
if (!isset($productRuleGroups[$row['id_product_rule_group']]))
$productRuleGroups[$row['id_product_rule_group']] = array('id_product_rule_group' => $row['id_product_rule_group'], 'quantity' => $row['quantity']);
$productRuleGroups[$row['id_product_rule_group']]['product_rules'] = $this->getProductRules($row['id_product_rule_group']);
}
return $productRuleGroups;
}
/**
* @param $id_product_rule_group
* @return array ('type' => ? , 'values' => ?)
*/
public function getProductRules($id_product_rule_group)
{
if (!Validate::isLoadedObject($this) || $this->product_restriction == 0)
return array();
$productRules = array();
$results = Db::getInstance()->executeS('
SELECT *
FROM '._DB_PREFIX_.'cart_rule_product_rule pr
LEFT JOIN '._DB_PREFIX_.'cart_rule_product_rule_value prv ON pr.id_product_rule = prv.id_product_rule
WHERE pr.id_product_rule_group = '.(int)$id_product_rule_group);
foreach ($results as $row)
{
if (!isset($productRules[$row['id_product_rule']]))
$productRules[$row['id_product_rule']] = array('type' => $row['type'], 'values' => array());
$productRules[$row['id_product_rule']]['values'][] = $row['id_item'];
}
return $productRules;
}
/**
* Check if this cart rule can be applied
*
* @param Context $context
* @param bool $alreadyInCart Check if the voucher is already on the cart
* @param bool $display_error Display error
* @return bool|mixed|string
*/
public function checkValidity(Context $context, $alreadyInCart = false, $display_error = true)
{
if (!CartRule::isFeatureActive())
return false;
if (!$this->active)
return (!$display_error) ? false : Tools::displayError('This voucher is disabled');
if (!$this->quantity)
return (!$display_error) ? false : Tools::displayError('This voucher has already been used');
if (strtotime($this->date_from) > time())
return (!$display_error) ? false : Tools::displayError('This voucher is not valid yet');
if (strtotime($this->date_to) < time())
return (!$display_error) ? false : Tools::displayError('This voucher has expired');
if ($context->cart->id_customer)
{
$quantityUsed = Db::getInstance()->getValue('
SELECT count(*)
FROM '._DB_PREFIX_.'orders o
LEFT JOIN '._DB_PREFIX_.'order_cart_rule od ON o.id_order = od.id_order
WHERE o.id_customer = '.$context->cart->id_customer.'
AND od.id_cart_rule = '.(int)$this->id.'
AND '.(int)Configuration::get('PS_OS_ERROR').' != (
SELECT oh.id_order_state
FROM '._DB_PREFIX_.'order_history oh
WHERE oh.id_order = o.id_order
ORDER BY oh.date_add DESC
LIMIT 1
)');
if ($quantityUsed + 1 > $this->quantity_per_user)
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher anymore (usage limit reached)');
}
// Get an intersection of the customer groups and the cart rule groups (if the customer is not logged in, the default group is 1)
if ($this->group_restriction)
{
$id_cart_rule = (int)Db::getInstance()->getValue('
SELECT crg.id_cart_rule
FROM '._DB_PREFIX_.'cart_rule_group crg
WHERE crg.id_cart_rule = '.(int)$this->id.'
AND crg.id_group '.($context->cart->id_customer ? 'IN (SELECT cg.id_group FROM '._DB_PREFIX_.'customer_group cg WHERE cg.id_customer = '.(int)$context->cart->id_customer.')' : '= 1'));
if (!$id_cart_rule)
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher');
}
// Check if the customer delivery address is usable with the cart rule
if ($this->country_restriction && $context->cart->id_address_delivery)
{
$id_cart_rule = (int)Db::getInstance()->getValue('
SELECT crc.id_cart_rule
FROM '._DB_PREFIX_.'cart_rule_country crc
WHERE crc.id_cart_rule = '.(int)$this->id.'
AND crc.id_country = (SELECT a.id_country FROM '._DB_PREFIX_.'address a WHERE a.id_address = '.(int)$context->cart->id_address_delivery.' LIMIT 1)');
if (!$id_cart_rule)
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher in your country of delivery');
}
// Check if the carrier chosen by the customer is usable with the cart rule
if ($this->carrier_restriction && $context->cart->id_carrier)
{
$id_cart_rule = (int)Db::getInstance()->getValue('
SELECT crc.id_cart_rule
FROM '._DB_PREFIX_.'cart_rule_carrier crc
WHERE crc.id_cart_rule = '.(int)$this->id.'
AND crc.id_carrier = '.(int)$context->cart->id_carrier);
if (!$id_cart_rule)
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with this carrier');
}
// Check if the cart rules appliy to the shop browsed by the customer
if ($this->shop_restriction && $context->shop->id && Shop::isFeatureActive())
{
$id_cart_rule = (int)Db::getInstance()->getValue('
SELECT crs.id_cart_rule
FROM '._DB_PREFIX_.'cart_rule_shop crs
WHERE crs.id_cart_rule = '.(int)$this->id.'
AND crs.id_shop = '.(int)$context->shop->id);
if (!$id_cart_rule)
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher');
}
// Check if the products chosen by the customer are usable with the cart rule
if ($this->product_restriction)
{
$r = $this->checkProductRestrictions($context, false, $display_error);
if ($r !== false && $display_error)
return $r;
elseif (!$r && !$display_error)
return false;
}
// Check if the cart rule is only usable by a specific customer, and if the current customer is the right one
if ($this->id_customer && $context->cart->id_customer != $this->id_customer)
{
if (!Context::getContext()->customer->isLogged())
return (!$display_error) ? false : (Tools::displayError('You cannot use this voucher').' - '.Tools::displayError('Please log in'));
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher');
}
if ($this->minimum_amount)
{
// Minimum amount is converted to the default currency
$minimum_amount = $this->minimum_amount;
if ($this->minimum_amount_currency != Configuration::get('PS_CURRENCY_DEFAULT'))
{
$minimum_amount_currency = new Currency($this->minimum_amount_currency);
if ($this->minimum_amount == 0 || $minimum_amount_currency->conversion_rate == 0)
$minimum_amount = 0;
else
$minimum_amount = $this->minimum_amount / $minimum_amount_currency->conversion_rate;
}
$cartTotal = $context->cart->getOrderTotal($this->minimum_amount_tax, Cart::ONLY_PRODUCTS);
if ($this->minimum_amount_shipping)
$cartTotal += $context->cart->getOrderTotal($this->minimum_amount_tax, Cart::ONLY_SHIPPING);
// If a product is given for free in this rule and already in the cart, the price is subtracted
if ($this->gift_product && $alreadyInCart)
{
$query = new DbQuery();
$query->select('id_product');
$query->from('cart_product');
$query->where('id_product = '.(int)$this->gift_product);
$query->where('id_cart = '.(int)$context->cart->id);
if ((int)$this->gift_product_attribute)
$query->where('id_product_attribute = '.(int)$this->gift_product_attribute);
if (Db::getInstance()->getValue($query))
{
$ref = false;
$product_price = Product::getPriceStatic(
$this->gift_product,
$this->minimum_amount_tax,
$this->gift_product_attribute,
null, null, false, true, 1, null,
$context->cart->id_customer ? $context->cart->id_customer : null,
$context->cart->id,
(int)$context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')} ? (int)$context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')} : null,
$ref, true, true, $context, true
);
$cartTotal -= $product_price;
}
}
if ($cartTotal < $minimum_amount)
return (!$display_error) ? false : Tools::displayError('You have not reached the minimum amount required to use this voucher');
}
// Check if the voucher is already in the cart of if a non compatible voucher is in the cart
// Important note: this MUST be the last check, because if the tested cart rule has priority over a non combinable one in the cart, we will switch them
$otherCartRules = $context->cart->getCartRules();
if (count($otherCartRules))
foreach ($otherCartRules as $otherCartRule)
{
if ($otherCartRule['id_cart_rule'] == $this->id && !$alreadyInCart)
return (!$display_error) ? false : Tools::displayError('This voucher is already in your cart');
if ($this->cart_rule_restriction && $otherCartRule['cart_rule_restriction'] && $otherCartRule['id_cart_rule'] != $this->id)
{
$combinable = Db::getInstance()->getValue('
SELECT id_cart_rule_1
FROM '._DB_PREFIX_.'cart_rule_combination
WHERE (id_cart_rule_1 = '.(int)$this->id.' AND id_cart_rule_2 = '.(int)$otherCartRule['id_cart_rule'].')
OR (id_cart_rule_2 = '.(int)$this->id.' AND id_cart_rule_1 = '.(int)$otherCartRule['id_cart_rule'].')');
if (!$combinable)
{
$cart_rule = new CartRule((int)$otherCartRule['id_cart_rule'], $context->cart->id_lang);
// The cart rules are not combinable and the cart rule currently in the cart has priority over the one tested
if ($cart_rule->priority <= $this->priority)
return (!$display_error) ? false : Tools::displayError('This voucher is not combinable with an other voucher already in your cart:').' '.$cart_rule->name;
// But if the cart rule that is tested has priority over the one in the cart, we remove the one in the cart and keep this new one
else
$context->cart->removeCartRule($cart_rule->id);
}
}
}
if (!$display_error)
return true;
}
protected function checkProductRestrictions(Context $context, $return_products = false, $display_error = true)
{
$selectedProducts = array();
// Check if the products chosen by the customer are usable with the cart rule
if ($this->product_restriction)
{
$productRuleGroups = $this->getProductRuleGroups();
foreach ($productRuleGroups as $id_product_rule_group => $productRuleGroup)
{
$eligibleProductsList = array();
foreach ($context->cart->getProducts() as $product)
$eligibleProductsList[] = (int)$product['id_product'].'-'.(int)$product['id_product_attribute'];
if (!count($eligibleProductsList))
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher in an empty cart');
$productRules = $this->getProductRules($id_product_rule_group);
foreach ($productRules as $productRule)
{
switch ($productRule['type'])
{
case 'attributes':
$cartAttributes = Db::getInstance()->executeS('
SELECT cp.quantity, cp.`id_product`, pac.`id_attribute`, cp.`id_product_attribute`
FROM `'._DB_PREFIX_.'cart_product` cp
LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON cp.id_product_attribute = pac.id_product_attribute
WHERE cp.`id_cart` = '.(int)$context->cart->id.'
AND cp.`id_product` IN ('.implode(array_map('intval', $eligibleProductsList), ',').')
AND cp.id_product_attribute > 0');
$countMatchingProducts = 0;
$matchingProductsList = array();
foreach ($cartAttributes as $cartAttribute)
if (in_array($cartAttribute['id_attribute'], $productRule['values']))
{
$countMatchingProducts += $cartAttribute['quantity'];
$matchingProductsList[] = $cartAttribute['id_product'].'-'.$cartAttribute['id_product_attribute'];
}
if ($countMatchingProducts < $productRuleGroup['quantity'])
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
$eligibleProductsList = CartRule::array_uintersect($eligibleProductsList, $matchingProductsList);
break;
case 'products':
$cartProducts = Db::getInstance()->executeS('
SELECT cp.quantity, cp.`id_product`
FROM `'._DB_PREFIX_.'cart_product` cp
WHERE cp.`id_cart` = '.(int)$context->cart->id.'
AND cp.`id_product` IN ('.implode(array_map('intval', $eligibleProductsList), ',').')');
$countMatchingProducts = 0;
$matchingProductsList = array();
foreach ($cartProducts as $cartProduct)
if (in_array($cartProduct['id_product'], $productRule['values']))
{
$countMatchingProducts += $cartProduct['quantity'];
$matchingProductsList[] = $cartProduct['id_product'].'-0';
}
if ($countMatchingProducts < $productRuleGroup['quantity'])
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
$eligibleProductsList = CartRule::array_uintersect($eligibleProductsList, $matchingProductsList);
break;
case 'categories':
$cartCategories = Db::getInstance()->executeS('
SELECT cp.quantity, cp.`id_product`, cp.`id_product_attribute`, catp.`id_category`
FROM `'._DB_PREFIX_.'cart_product` cp
LEFT JOIN `'._DB_PREFIX_.'category_product` catp ON cp.id_product = catp.id_product
WHERE cp.`id_cart` = '.(int)$context->cart->id.'
AND cp.`id_product` IN ('.implode(array_map('intval', $eligibleProductsList), ',').')');
$countMatchingProducts = 0;
$matchingProductsList = array();
foreach ($cartCategories as $cartCategory)
if (in_array($cartCategory['id_category'], $productRule['values'])
// We also check that the product is not already in the matching product list, because there are doubles in the query results (when the product is in multiple categories)
&& !in_array($cartCategory['id_product'].'-'.$cartCategory['id_product_attribute'], $matchingProductsList))
{
$countMatchingProducts += $cartCategory['quantity'];
$matchingProductsList[] = $cartCategory['id_product'].'-'.$cartCategory['id_product_attribute'];
}
if ($countMatchingProducts < $productRuleGroup['quantity'])
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
// Attribute id is not important for this filter in the global list, so the ids are replaced by 0
foreach ($matchingProductsList as &$matchingProduct)
$matchingProduct = preg_replace('/^([0-9]+)-[0-9]+$/', '$1-0', $matchingProduct);
$eligibleProductsList = CartRule::array_uintersect($eligibleProductsList, $matchingProductsList);
break;
case 'manufacturers':
$cartManufacturers = Db::getInstance()->executeS('
SELECT cp.quantity, cp.`id_product`, p.`id_manufacturer`
FROM `'._DB_PREFIX_.'cart_product` cp
LEFT JOIN `'._DB_PREFIX_.'product` p ON cp.id_product = p.id_product
WHERE cp.`id_cart` = '.(int)$context->cart->id.'
AND cp.`id_product` IN ('.implode(array_map('intval', $eligibleProductsList), ',').')');
$countMatchingProducts = 0;
$matchingProductsList = array();
foreach ($cartManufacturers as $cartManufacturer)
if (in_array($cartManufacturer['id_manufacturer'], $productRule['values']))
{
$countMatchingProducts += $cartManufacturer['quantity'];
$matchingProductsList[] = $cartManufacturer['id_product'].'-0';
}
if ($countMatchingProducts < $productRuleGroup['quantity'])
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
$eligibleProductsList = CartRule::array_uintersect($eligibleProductsList, $matchingProductsList);
break;
case 'suppliers':
$cartSuppliers = Db::getInstance()->executeS('
SELECT cp.quantity, cp.`id_product`, p.`id_supplier`
FROM `'._DB_PREFIX_.'cart_product` cp
LEFT JOIN `'._DB_PREFIX_.'product` p ON cp.id_product = p.id_product
WHERE cp.`id_cart` = '.(int)$context->cart->id.'
AND cp.`id_product` IN ('.implode(array_map('intval', $eligibleProductsList), ',').')');
$countMatchingProducts = 0;
$matchingProductsList = array();
foreach ($cartSuppliers as $cartSupplier)
if (in_array($cartSupplier['id_supplier'], $productRule['values']))
{
$countMatchingProducts += $cartSupplier['quantity'];
$matchingProductsList[] = $cartSupplier['id_product'].'-0';
}
if ($countMatchingProducts < $productRuleGroup['quantity'])
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
$eligibleProductsList = CartRule::array_uintersect($eligibleProductsList, $matchingProductsList);
break;
}
if (!count($eligibleProductsList))
return (!$display_error) ? false : Tools::displayError('You cannot use this voucher with these products');
}
$selectedProducts = array_merge($selectedProducts, $eligibleProductsList);
}
}
if ($return_products)
return $selectedProducts;
return (!$display_error) ? true : false;
}
protected static function array_uintersect($array1, $array2)
{
$intersection = array();
foreach ($array1 as $value1)
foreach ($array2 as $value2)
if (CartRule::array_uintersect_compare($value1, $value2) == 0)
{
$intersection[] = $value1;
break 1;
}
return $intersection;
}
protected static function array_uintersect_compare($a, $b)
{
if ($a == $b)
return 0;
$asplit = explode('-', $a);
$bsplit = explode('-', $b);
if ($asplit[0] == $bsplit[0] && (!(int)$asplit[1] || !(int)$bsplit[1]))
return 0;
return 1;
}
/**
* The reduction value is POSITIVE
*
* @param bool $use_tax
* @param Context $context
* @param boolean $use_cache Allow using cache to avoid multiple free gift using multishipping
* @return float|int|string
*/
public function getContextualValue($use_tax, Context $context = null, $filter = null, $package = null, $use_cache = true)
{
if (!CartRule::isFeatureActive())
return 0;
if (!$context)
$context = Context::getContext();
if (!$filter)
$filter = CartRule::FILTER_ACTION_ALL;
$all_products = $context->cart->getProducts();
$package_products = (is_null($package) ? $all_products : $package['products']);
$reduction_value = 0;
$cache_id = 'getContextualValue_'.(int)$this->id.'_'.(int)$use_tax.'_'.(int)$context->cart->id.'_'.(int)$filter;
foreach ($package_products as $product)
$cache_id .= '_'.(int)$product['id_product'].'_'.(int)$product['id_product_attribute'];
if (Cache::isStored($cache_id))
return Cache::retrieve($cache_id);
// Free shipping on selected carriers
if ($this->free_shipping && ($filter == CartRule::FILTER_ACTION_ALL || $filter == CartRule::FILTER_ACTION_SHIPPING))
{
if (!$this->carrier_restriction)
$reduction_value += $context->cart->getOrderTotal($use_tax, Cart::ONLY_SHIPPING, is_null($package) ? null : $package['products'], is_null($package) ? null : $package['id_carrier']);
else
{
$data = Db::getInstance()->executeS('
SELECT crc.id_cart_rule, crc.id_carrier
FROM '._DB_PREFIX_.'cart_rule_carrier crc
WHERE crc.id_cart_rule = '.(int)$this->id.'
AND crc.id_carrier = '.(int)$context->cart->id_carrier);
if ($data)
foreach ($data as $cart_rule)
$reduction_value += $context->cart->getCarrierCost((int)$cart_rule['id_carrier'], $use_tax, $context->country);
}
}
if ($filter == CartRule::FILTER_ACTION_ALL || $filter == CartRule::FILTER_ACTION_REDUCTION)
{
// Discount (%) on the whole order
if ($this->reduction_percent && $this->reduction_product == 0)
{
// Do not give a reduction on free products!
$order_total = $context->cart->getOrderTotal($use_tax, Cart::ONLY_PRODUCTS, $package_products);
foreach ($context->cart->getCartRules(CartRule::FILTER_ACTION_GIFT) as $cart_rule)
$order_total -= Tools::ps_round($cart_rule['obj']->getContextualValue($use_tax, $context, CartRule::FILTER_ACTION_GIFT, $package), 2);
$reduction_value += $order_total * $this->reduction_percent / 100;
}
// Discount (%) on a specific product
if ($this->reduction_percent && $this->reduction_product > 0)
{
foreach ($package_products as $product)
if ($product['id_product'] == $this->reduction_product)
$reduction_value += ($use_tax ? $product['total_wt'] : $product['total']) * $this->reduction_percent / 100;
}
// Discount (%) on the cheapest product
if ($this->reduction_percent && $this->reduction_product == -1)
{
$minPrice = false;
$cheapest_product = null;
foreach ($all_products as $product)
{
$price = ($use_tax ? $product['price_wt'] : $product['price']);
if ($price > 0 && ($minPrice === false || $minPrice > $price))
{
$minPrice = $price;
$cheapest_product = $product['id_product'].'-'.$product['id_product_attribute'];
}
}
// Check if the cheapest product is in the package
$in_package = false;
foreach ($package_products as $product)
if ($product['id_product'].'-'.$product['id_product_attribute'] == $cheapest_product || $product['id_product'].'-0' == $cheapest_product)
$in_package = true;
if ($in_package)
$reduction_value += $minPrice * $this->reduction_percent / 100;
}
// Discount (%) on the selection of products
if ($this->reduction_percent && $this->reduction_product == -2)
{
$selected_products_reduction = 0;
$selected_products = $this->checkProductRestrictions($context, true);
if (is_array($selected_products))
foreach ($package_products as $product)
if (in_array($product['id_product'].'-'.$product['id_product_attribute'], $selected_products)
|| in_array($product['id_product'].'-0', $selected_products))
{
$price = ($use_tax ? $product['price_wt'] : $product['price']);
$selected_products_reduction += $price * $product['cart_quantity'];
}
$reduction_value += $selected_products_reduction * $this->reduction_percent / 100;
}
// Discount (¤)
if ($this->reduction_amount)
{
$prorata = 1;
if (!is_null($package) && count($all_products))
{
$total_products = $context->cart->getOrderTotal($use_tax, Cart::ONLY_PRODUCTS);
if ($total_products)
$prorata = $context->cart->getOrderTotal($use_tax, Cart::ONLY_PRODUCTS, $package['products']) / $total_products;
}
$reduction_amount = $this->reduction_amount;
// If we need to convert the voucher value to the cart currency
if ($this->reduction_currency != $context->currency->id)
{
$voucherCurrency = new Currency($this->reduction_currency);
// First we convert the voucher value to the default currency
if ($reduction_amount == 0 || $voucherCurrency->conversion_rate == 0)
$reduction_amount = 0;
else
$reduction_amount /= $voucherCurrency->conversion_rate;
// Then we convert the voucher value in the default currency into the cart currency
$reduction_amount *= $context->currency->conversion_rate;
$reduction_amount = Tools::ps_round($reduction_amount);
}
// If it has the same tax application that you need, then it's the right value, whatever the product!
if ($this->reduction_tax == $use_tax)
$reduction_value += $prorata * $reduction_amount;
else
{
if ($this->reduction_product > 0)
{
foreach ($context->cart->getProducts() as $product)
if ($product['id_product'] == $this->reduction_product)
{
$product_price_ti = $product['price_wt'];
$product_price_te = $product['price'];
$product_vat_amount = $product_price_ti - $product_price_te;
if ($product_vat_amount == 0 || $product_price_te == 0)
$product_vat_rate = 0;
else
$product_vat_rate = $product_vat_amount / $product_price_te;
if ($this->reduction_tax && !$use_tax)
$reduction_value += $prorata * $reduction_amount / (1 + $product_vat_rate);
elseif (!$this->reduction_tax && $use_tax)
$reduction_value += $prorata * $reduction_amount * (1 + $product_vat_rate);
}
}
// Discount (¤) on the whole order
elseif ($this->reduction_product == 0)
{
// TODO : this should not use the prorata
$cart_amount_ti = $context->cart->getOrderTotal(true, Cart::ONLY_PRODUCTS);
$cart_amount_te = $context->cart->getOrderTotal(false, Cart::ONLY_PRODUCTS);
$cart_vat_amount = $cart_amount_ti - $cart_amount_te;
if ($cart_vat_amount == 0 || $cart_amount_te == 0)
$cart_average_vat_rate = 0;
else
$cart_average_vat_rate = $cart_vat_amount / $cart_amount_te;
if ($this->reduction_tax && !$use_tax)
$reduction_value += $prorata * $reduction_amount / (1 + $cart_average_vat_rate);
elseif (!$this->reduction_tax && $use_tax)
$reduction_value += $prorata * $reduction_amount * (1 + $cart_average_vat_rate);
}
/*
* Reduction on the cheapest or on the selection is not really meaningful and has been disabled in the backend
* Please keep this code, so it won't be considered as a bug
* elseif ($this->reduction_product == -1)
* elseif ($this->reduction_product == -2)
*/
}
}
}
// Free gift
if ((int)$this->gift_product && ($filter == CartRule::FILTER_ACTION_ALL || $filter == CartRule::FILTER_ACTION_GIFT))
{
$id_address = (is_null($package) ? 0 : $package['id_address']);
foreach ($package_products as $product)
if ($product['id_product'] == $this->gift_product && ($product['id_product_attribute'] == $this->gift_product_attribute || !(int)$this->gift_product_attribute))
{
// The free gift coupon must be applied to one product only (needed for multi-shipping which manage multiple product lists)
if (!isset(CartRule::$only_one_gift[$this->id.'-'.$this->gift_product])
|| CartRule::$only_one_gift[$this->id.'-'.$this->gift_product] == $id_address
|| CartRule::$only_one_gift[$this->id.'-'.$this->gift_product] == 0
|| $id_address == 0
|| !$use_cache)
{
$reduction_value += ($use_tax ? $product['price_wt'] : $product['price']);
if ($use_cache && (!isset(CartRule::$only_one_gift[$this->id.'-'.$this->gift_product]) || CartRule::$only_one_gift[$this->id.'-'.$this->gift_product] == 0))
CartRule::$only_one_gift[$this->id.'-'.$this->gift_product] = $id_address;
break;
}
}
}
Cache::store($cache_id, $reduction_value);
return $reduction_value;
}
/**
* Make sure caches are empty
* Must be called before calling multiple time getContextualValue()
*/
public static function cleanCache()
{
self::$only_one_gift = array();
}
protected function getCartRuleCombinations()
{
$array = array();
$array['selected'] = Db::getInstance()->executeS('
SELECT cr.*, crl.*, 1 as selected
FROM '._DB_PREFIX_.'cart_rule cr
LEFT JOIN '._DB_PREFIX_.'cart_rule_lang crl ON (cr.id_cart_rule = crl.id_cart_rule AND crl.id_lang = '.(int)Context::getContext()->language->id.')
WHERE cr.id_cart_rule != '.(int)$this->id.'
AND (
cr.cart_rule_restriction = 0
OR cr.id_cart_rule IN (
SELECT IF(id_cart_rule_1 = '.(int)$this->id.', id_cart_rule_2, id_cart_rule_1)
FROM '._DB_PREFIX_.'cart_rule_combination
WHERE '.(int)$this->id.' = id_cart_rule_1
OR '.(int)$this->id.' = id_cart_rule_2
)
)');
$array['unselected'] = Db::getInstance()->executeS('
SELECT cr.*, crl.*, 1 as selected
FROM '._DB_PREFIX_.'cart_rule cr
LEFT JOIN '._DB_PREFIX_.'cart_rule_lang crl ON (cr.id_cart_rule = crl.id_cart_rule AND crl.id_lang = '.(int)Context::getContext()->language->id.')
WHERE cr.cart_rule_restriction = 1
AND cr.id_cart_rule != '.(int)$this->id.'
AND cr.id_cart_rule NOT IN (
SELECT IF(id_cart_rule_1 = '.(int)$this->id.', id_cart_rule_2, id_cart_rule_1)
FROM '._DB_PREFIX_.'cart_rule_combination
WHERE '.(int)$this->id.' = id_cart_rule_1
OR '.(int)$this->id.' = id_cart_rule_2
)');
return $array;
}
public function getAssociatedRestrictions($type, $active_only, $i18n)
{
$array = array('selected' => array(), 'unselected' => array());
if (!in_array($type, array('country', 'carrier', 'group', 'cart_rule', 'shop')))
return false;
$shop_list = '';
if ($type == 'shop')
{
$shops = Context::getContext()->employee->getAssociatedShops();
if (count($shops))
$shop_list = ' AND t.id_shop IN ('.implode(array_map('intval', $shops), ',').') ';
}
if (!Validate::isLoadedObject($this) OR $this->{$type.'_restriction'} == 0)
{
$array['selected'] = Db::getInstance()->executeS('
SELECT t.*'.($i18n ? ', tl.*' : '').', 1 as selected
FROM `'._DB_PREFIX_.$type.'` t
'.($i18n ? 'LEFT JOIN `'._DB_PREFIX_.$type.'_lang` tl ON (t.id_'.$type.' = tl.id_'.$type.' AND tl.id_lang = '.(int)Context::getContext()->language->id.')' : '').'
WHERE 1
'.($active_only ? 'AND t.active = 1' : '').'
'.(in_array($type, array('carrier', 'shop')) ? ' AND t.deleted = 0' : '').'
'.($type == 'cart_rule' ? 'AND t.id_cart_rule != '.(int)$this->id : '').
$shop_list.