Hook viewed products module on single product page?

mirko77 · March 7, 2011

I would like to hook the viewed products module on the single product page,under the product description.

How can I do that? I tried to hook the module in the Product Footer hook but it does not appear...

Thank you

Niriza · April 5, 2011

I also want the same thing did u find out any solution???

mirko77 · April 5, 2011

Nope. I have been asking this for months.

Probably upgrading to 1.3 or 1.4 will fix it, but this is not a option for me since we are in the middle of a promotion and we receive 60-70 orders per day...

charlie123 · January 27, 2012

Did anyone found solution for this please? I also trying to achieve this feature but I end up with note:

This module can't be transplanted to this hook.

sebkos · January 27, 2012

Hi,

you need to make some changes in blockviewed.php, add this at the end of file:

function hookProductFooter($params)

{

return $this->hookRightColumn($params);

}

December 1, 2013

Any sollution for this in Prestashop 1.5.5.0? The above mentioned didnt work for me.

Thanks in advance.

vekia · December 1, 2013

after modification of php file you have to attach module to new hook under modules > positions > transplant module

December 3, 2013

"This module cannot be transplanted to this hook." is the result if i hook it. Any suggestions?

Thanks

vekia · December 4, 2013

can you show contents of module .php file ?

December 4, 2013

in Classes:

<?php
/*
* 2007-2013 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 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 <[email protected]>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

abstract class ModuleCore
{
	/** @var integer Module ID */
	public $id = null;

	/** @var float Version */
	public $version;
	public $database_version;

	/**
	 * @since 1.5.0.1
	 * @var string Registered Version in database
	 */
	public $registered_version;

	/** @var array filled with known compliant PS versions */
	public $ps_versions_compliancy = array('min' => '1.4', 'max' => '1.6');

	/** @var array filled with modules needed for install */
	public $dependencies = array();

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

	/** @var string Human name */
	public $displayName;

	/** @var string A little description of the module */
	public $description;

	/** @var string author of the module */
	public $author;

	/** @var int need_instance */
	public $need_instance = 1;

	/** @var string Admin tab corresponding to the module */
	public $tab = null;

	/** @var boolean Status */
	public $active = false;

	/** @var string Fill it if the module is installed but not yet set up */
	public $warning;

	/** @var array to store the limited country */
	public $limited_countries = array();

	/** @var array used by AdminTab to determine which lang file to use (admin.php or module lang file) */
	public static $classInModule = array();

	/** @var array current language translations */
	protected $_lang = array();

	/** @var string Module web path (eg. '/shop/modules/modulename/')  */
	protected $_path = null;
	/**
	 * @since 1.5.0.1
	 * @var string Module local path (eg. '/home/prestashop/modules/modulename/')
	 */
	protected $local_path = null;

	/** @var protected array filled with module errors */
	protected $_errors = array();

	/** @var protected array filled with module success */
	protected $_confirmations = array();

	/** @var protected string main table used for modules installed */
	protected $table = 'module';

	/** @var protected string identifier of the main table */
	protected $identifier = 'id_module';

	/** @var protected array cache filled with modules informations */
	protected static $modules_cache;

	/** @var protected array cache filled with modules instances */
	protected static $_INSTANCE = array();

	/** @var protected boolean filled with config xml generation mode */
	protected static $_generate_config_xml_mode = false;

	/** @var protected array filled with cache translations */
	protected static $l_cache = array();

	/** @var protected array filled with cache permissions (modules / employee profiles) */
	protected static $cache_permissions = array();

	/** @var Context */
	protected $context;

	/** @var Smarty_Data */
	protected $smarty;
	
	
	const CACHE_FILE_MODULES_LIST = '/config/xml/modules_list.xml';
	
	const CACHE_FILE_TAB_MODULES_LIST = '/config/xml/tab_modules_list.xml';
	
	const CACHE_FILE_DEFAULT_COUNTRY_MODULES_LIST = '/config/xml/default_country_modules_list.xml';
	
	const CACHE_FILE_CUSTOMER_MODULES_LIST = '/config/xml/customer_modules_list.xml';
	
	const CACHE_FILE_MUST_HAVE_MODULES_LIST = '/config/xml/must_have_modules_list.xml';
	
	/**
	 * Constructor
	 *
	 * @param string $name Module unique name
	 * @param Context $context
	 */
	public function __construct($name = null, Context $context = null)
	{
		// Load context and smarty
		$this->context = $context ? $context : Context::getContext();				
		if (is_object($this->context->smarty))				
			$this->smarty = $this->context->smarty->createData($this->context->smarty);

		// If the module has no name we gave him its id as name
		if ($this->name == null)
			$this->name = $this->id;

		// If the module has the name we load the corresponding data from the cache
		if ($this->name != null)
		{
			// If cache is not generated, we generate it
			if (self::$modules_cache == null && !is_array(self::$modules_cache))
			{
				$id_shop = (Validate::isLoadedObject($this->context->shop) ? $this->context->shop->id : 1);
				self::$modules_cache = array();
				// Join clause is done to check if the module is activated in current shop context
				$result = Db::getInstance()->executeS('
				SELECT m.`id_module`, m.`name`, (
					SELECT id_module
					FROM `'._DB_PREFIX_.'module_shop` ms
					WHERE m.`id_module` = ms.`id_module`
					AND ms.`id_shop` = '.(int)$id_shop.'
					LIMIT 1
				) as mshop
				FROM `'._DB_PREFIX_.'module` m');
				foreach ($result as $row)
				{
					self::$modules_cache[$row['name']] = $row;
					self::$modules_cache[$row['name']]['active'] = ($row['mshop'] > 0) ? 1 : 0;
				}
			}

			// We load configuration from the cache
			if (isset(self::$modules_cache[$this->name]))
			{
				if (isset(self::$modules_cache[$this->name]['id_module']))
					$this->id = self::$modules_cache[$this->name]['id_module'];
				foreach (self::$modules_cache[$this->name] as $key => $value)
					if (key_exists($key, $this))
						$this->{$key} = $value;
				$this->_path = __PS_BASE_URI__.'modules/'.$this->name.'/';
			}
			$this->local_path = _PS_MODULE_DIR_.$this->name.'/';
		}
	}

	/**
	 * Insert module into datable
	 */
	public function install()
	{
		Hook::exec('actionModuleInstallBefore', array('object' => $this));
		// Check module name validation
		if (!Validate::isModuleName($this->name))
		{
			$this->_errors[] = $this->l('Unable to install the module (Module name is not valid).');
			return false;
		}

		// Check PS version compliancy
		if (version_compare(_PS_VERSION_, $this->ps_versions_compliancy['min']) < 0 || version_compare(_PS_VERSION_, $this->ps_versions_compliancy['max']) >= 0)
		{
			$this->_errors[] = $this->l('The version of your module is not compliant with your PrestaShop version.');
			return false;
		}

		// Check module dependencies
		if (count($this->dependencies) > 0)
			foreach ($this->dependencies as $dependency)
				if (!Db::getInstance()->getRow('SELECT `id_module` FROM `'._DB_PREFIX_.'module` WHERE `name` = \''.pSQL($dependency).'\''))
				{
					$error = $this->l('Before installing this module, you have to installed these/this module(s) first :').'<br />';
					foreach ($this->dependencies as $d)
						$error .= '- '.$d.'<br />';
					$this->_errors[] = $error;
					return false;
				}

		// Check if module is installed
		$result = Module::isInstalled($this->name);
		if ($result)
		{
			$this->_errors[] = $this->l('This module has already been installed.');
			return false;
		}

		// Install overrides
		try {
			$this->installOverrides();
		} catch (Exception $e) {
			$this->_errors[] = sprintf(Tools::displayError('Unable to install override: %s'), $e->getMessage());
			//$this->uninstallOverrides(); remove this line because if module a install an override, then module b install same override, this line will remove override of module a (if you find a bug related to this line please don't forget what i say before)
			return false;
		}

		// Install module and retrieve the installation id
		$result = Db::getInstance()->insert($this->table, array('name' => $this->name, 'active' => 1, 'version' => $this->version));
		if (!$result)
		{
			$this->_errors[] = $this->l('Technical error : PrestaShop could not installed this module.');
			return false;
		}
		$this->id = Db::getInstance()->Insert_ID();

		Cache::clean('Module::isInstalled'.$this->name);
		
		// Enable the module for current shops in context
		$this->enable();

		// Permissions management
		Db::getInstance()->execute('
			INSERT INTO `'._DB_PREFIX_.'module_access` (`id_profile`, `id_module`, `view`, `configure`) (
				SELECT id_profile, '.(int)$this->id.', 1, 1
				FROM '._DB_PREFIX_.'access a
				WHERE id_tab = (
					SELECT `id_tab` FROM '._DB_PREFIX_.'tab
					WHERE class_name = \'AdminModules\' LIMIT 1)
				AND a.`view` = 1)');

		Db::getInstance()->execute('
			INSERT INTO `'._DB_PREFIX_.'module_access` (`id_profile`, `id_module`, `view`, `configure`) (
				SELECT id_profile, '.(int)$this->id.', 1, 0
				FROM '._DB_PREFIX_.'access a
				WHERE id_tab = (
					SELECT `id_tab` FROM '._DB_PREFIX_.'tab
					WHERE class_name = \'AdminModules\' LIMIT 1)
				AND a.`view` = 0)');

		// Adding Restrictions for client groups
		Group::addRestrictionsForModule($this->id, Shop::getShops(true, null, true));
		Hook::exec('actionModuleInstallAfter', array('object' => $this));
		return true;
	}

	/**
	 * Set errors, warning or success message of a module upgrade
	 *
	 * @param $upgrade_detail
	 */
	protected function setUpgradeMessage($upgrade_detail)
	{
		// Store information if a module has been upgraded (memory optimization)
		if ($upgrade_detail['available_upgrade'])
		{
			if ($upgrade_detail['success'])
			{
				$this->_confirmations[] = $this->l('Current version: ').$this->version;
				$this->_confirmations[] = $upgrade_detail['number_upgraded'].' '.$this->l('file upgrade applied');
			}
			else
			{
				if (!$upgrade_detail['number_upgraded'])
					$this->_errors[] = $this->l('No upgrade has been applied');
				else
				{
					$this->_errors[] = sprintf($this->l('Upgraded from: %S to %s'), $upgrade_detail['upgraded_from'], $upgrade_detail['upgraded_to']);
					$this->_errors[] = $upgrade_detail['number_upgrade_left'].' '.$this->l('upgrade left');
				}

				if ($upgrade_detail['duplicate'])
					$this->_errors[] = sprintf(Tools::displayError('Module %s cannot be upgraded this time: please refresh this page to update it.'), $this->name);
				else
					$this->_errors[] = $this->l('To prevent any problem, this module has been turned off');
			}
		}
	}

	/**
	 * Init the upgrade module
	 *
	 * @static
	 * @param $module_name
	 * @param $module_version
	 * @return bool
	 */
	public static function initUpgradeModule($module)
	{
		if (((int)$module->installed == 1) & (empty($module->database_version) === true))
		{
			Module::upgradeModuleVersion($module->name, $module->version);
			$module->database_version = $module->version;
		}
		
		// Init cache upgrade details
		self::$modules_cache[$module->name]['upgrade'] = array(
			'success' => false, // bool to know if upgrade succeed or not
			'available_upgrade' => 0, // Number of available module before any upgrade
			'number_upgraded' => 0, // Number of upgrade done
			'number_upgrade_left' => 0,
			'upgrade_file_left' => array(), // List of the upgrade file left
			'version_fail' => 0, // Version of the upgrade failure
			'upgraded_from' => 0, // Version number before upgrading anything
			'upgraded_to' => 0, // Last upgrade applied
		);
		
		// Need Upgrade will check and load upgrade file to the moduleCache upgrade case detail
		$ret = $module->installed && Module::needUpgrade($module);
		return $ret;
	}

	/**
	 * Run the upgrade for a given module name and version
	 *
	 * @return array
	 */
	public function runUpgradeModule()
	{
		$upgrade = &self::$modules_cache[$this->name]['upgrade'];
		foreach ($upgrade['upgrade_file_left'] as $num => $file_detail)
		{
			if (function_exists($file_detail['upgrade_function']))
			{
				$upgrade['success'] = false;
				$upgrade['duplicate'] = true;
				break;
			}
			include($file_detail['file']);

			// Call the upgrade function if defined
			$upgrade['success'] = false;
			if (function_exists($file_detail['upgrade_function']))
				$upgrade['success'] = $file_detail['upgrade_function']($this);

			// Set detail when an upgrade succeed or failed
			if ($upgrade['success'])
			{
				$upgrade['number_upgraded'] += 1;
				$upgrade['upgraded_to'] = $file_detail['version'];

				unset($upgrade['upgrade_file_left'][$num]);
			}
			else
			{
				$upgrade['version_fail'] = $file_detail['version'];

				// If any errors, the module is disabled
				$this->disable();
				break;
			}
		}

		$upgrade['number_upgrade_left'] = count($upgrade['upgrade_file_left']);

		// Update module version in DB with the last succeed upgrade
		if ($upgrade['upgraded_to'])
			Module::upgradeModuleVersion($this->name, $upgrade['upgraded_to']);
		$this->setUpgradeMessage($upgrade);
		return $upgrade;
	}

	/**
	 * Upgrade the registered version to a new one
	 *
	 * @static
	 * @param $name
	 * @param $version
	 * @return bool
	 */
	public static function upgradeModuleVersion($name, $version)
	{
		return Db::getInstance()->execute('
		UPDATE `'._DB_PREFIX_.'module` m
		SET m.version = \''.bqSQL($version).'\'
		WHERE m.name = \''.bqSQL($name).'\'');
	}

	/**
	 * Check if a module need to be upgraded.
	 * This method modify the module_cache adding an upgrade list file
	 *
	 * @static
	 * @param $module_name
	 * @param $module_version
	 * @return bool
	 */
	public static function needUpgrade($module)
	{
		self::$modules_cache[$module->name]['upgrade']['upgraded_from'] = $module->database_version;
		// Check the version of the module with the registered one and look if any upgrade file exist
		if (Tools::version_compare($module->version, $module->database_version, '>'))
		{
			$old_version = $module->database_version;
			$module = Module::getInstanceByName($module->name);
			if ($module instanceof Module)
				return $module->loadUpgradeVersionList($module->name, $module->version, $old_version);
		}
		return null;
	}

	/**
	 * Load the available list of upgrade of a specified module
	 * with an associated version
	 *
	 * @static
	 * @param $module_name
	 * @param $module_version
	 * @param $registered_version
	 * @return bool to know directly if any files have been found
	 */
	protected static function loadUpgradeVersionList($module_name, $module_version, $registered_version)
	{
		$list = array();

		$upgrade_path = _PS_MODULE_DIR_.$module_name.'/upgrade/';

		// Check if folder exist and it could be read
		if (file_exists($upgrade_path) && ($files = scandir($upgrade_path)))
		{
			// Read each file name
			foreach ($files as $file)
				if (!in_array($file, array('.', '..', '.svn', 'index.php')))
				{
					$tab = explode('-', $file);
					$file_version = basename($tab[1], '.php');
					// Compare version, if minor than actual, we need to upgrade the module
					if (count($tab) == 2 &&
						 (Tools::version_compare($file_version, $module_version, '<=') &&
							Tools::version_compare($file_version, $registered_version, '>')))
					{
						$list[] = array(
							'file' => $upgrade_path.$file,
							'version' => $file_version,
							'upgrade_function' => 'upgrade_module_'.str_replace('.', '_', $file_version));
					}
				}
		}

		// No files upgrade, then upgrade succeed
		if (count($list) == 0)
		{
			self::$modules_cache[$module_name]['upgrade']['success'] = true;
			Module::upgradeModuleVersion($module_name, $module_version);
		}
		
		usort($list, 'ps_module_version_sort');

		// Set the list to module cache
		self::$modules_cache[$module_name]['upgrade']['upgrade_file_left'] = $list;
		self::$modules_cache[$module_name]['upgrade']['available_upgrade'] = count($list);
		return (bool)count($list);
	}

	/**
	 * Return the status of the upgraded module
	 *
	 * @static
	 * @param $module_name
	 * @return bool
	 */
	public static function getUpgradeStatus($module_name)
	{
		return (isset(self::$modules_cache[$module_name]) &&
			self::$modules_cache[$module_name]['upgrade']['success']);
	}

	/**
	 * Delete module from datable
	 *
	 * @return boolean result
	 */
	public function uninstall()
	{
		// Check module installation id validation
		if (!Validate::isUnsignedId($this->id))
		{
			$this->_errors[] = $this->l('The module is not installed.');
			return false;
		}

		// Uninstall overrides
		if (!$this->uninstallOverrides())
			return false;

		// Retrieve hooks used by the module
		$sql = 'SELECT `id_hook` FROM `'._DB_PREFIX_.'hook_module` WHERE `id_module` = '.(int)$this->id;
		$result = Db::getInstance()->executeS($sql);
		foreach	($result as $row)
		{
			$this->unregisterHook((int)$row['id_hook']);
			$this->unregisterExceptions((int)$row['id_hook']);
		}

		// Disable the module for all shops
		$this->disable(true);

		// Delete permissions module access
		Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'module_access` WHERE `id_module` = '.(int)$this->id);

		// Remove restrictions for client groups
		Group::truncateRestrictionsByModule($this->id);

		// Uninstall the module
		if (Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'module` WHERE `id_module` = '.(int)$this->id))
		{
			Cache::clean('Module::isInstalled'.$this->name);
			return true;
		}
		
		return false;
	}
	
	/**
	 * This function enable module $name. If an $name is an array,
	 * this will enable all of them
	 *
	 * @param array|string $name
	 * @return true if succeed
	 * @since 1.4.1
	 */
	public static function enableByName($name)
	{
		// If $name is not an array, we set it as an array
		if (!is_array($name))
			$name = array($name);
		$res = true;
		// Enable each module
		foreach ($name as $n)
			if (Validate::isModuleName($n))
				$res &= Module::getInstanceByName($n)->enable();
		return $res;
	}

	/**
	 * Activate current module.
	 *
	 * @param bool $forceAll If true, enable module for all shop
	 */
	public function enable($forceAll = false)
	{
		// Retrieve all shops where the module is enabled
		$list = Shop::getContextListShopID();
		$sql = 'SELECT `id_shop` FROM `'._DB_PREFIX_.'module_shop`
				WHERE `id_module` = '.$this->id.
				((!$forceAll) ? ' AND `id_shop` IN('.implode(', ', $list).')' : '');

		// Store the results in an array
		$items = array();
		if ($results = Db::getInstance($sql)->executeS($sql))
			foreach ($results as $row)
				$items[] = $row['id_shop'];

		// Enable module in the shop where it is not enabled yet
		foreach ($list as $id)
			if (!in_array($id, $items))
				Db::getInstance()->insert('module_shop', array(
					'id_module' =>	$this->id,
					'id_shop' =>	$id,
				));

		return true;
	}

	/**
	 * This function disable module $name. If an $name is an array,
	 * this will disable all of them
	 *
	 * @param array|string $name
	 * @return true if succeed
	 * @since 1.4.1
	 */
	public static function disableByName($name)
	{
		// If $name is not an array, we set it as an array
		if (!is_array($name))
			$name = array($name);
		$res = true;
		// Disable each module
		foreach ($name as $n)
			if (Validate::isModuleName($n))
				$res &= Module::getInstanceByName($n)->disable();
		return $res;
	}

	/**
	 * Desactivate current module.
	 *
	 * @param bool $forceAll If true, disable module for all shop
	 */
	public function disable($forceAll = false)
	{
		// Disable module for all shops
		$sql = 'DELETE FROM `'._DB_PREFIX_.'module_shop` WHERE `id_module` = '.(int)$this->id.' '.((!$forceAll) ? ' AND `id_shop` IN('.implode(', ', Shop::getContextListShopID()).')' : '');
		Db::getInstance()->execute($sql);
	}

	/**
	  * Display flags in forms for translations
	  *
	  * @param array $languages All languages available
	  * @param integer $default_language Default language id
	  * @param string $ids Multilingual div ids in form
	  * @param string $id Current div id]
	  * @param boolean $return define the return way : false for a display, true for a return
	  * @param boolean $use_vars_instead_of_ids use an js vars instead of ids seperate by "Â¤"
	  */
	public function displayFlags($languages, $default_language, $ids, $id, $return = false, $use_vars_instead_of_ids = false)
	{
		if (count($languages) == 1)
			return false;

		$output = '
		<div class="displayed_flag">
			<img src="../img/l/'.$default_language.'.jpg" class="pointer" id="language_current_'.$id.'" onclick="toggleLanguageFlags(this);" alt="" />
		</div>
		<div id="languages_'.$id.'" class="language_flags">
			'.$this->l('Choose language:').'<br /><br />';
		foreach ($languages as $language)
			if ($use_vars_instead_of_ids)
				$output .= '<img src="../img/l/'.(int)$language['id_lang'].'.jpg" class="pointer" alt="'.$language['name'].'" title="'.$language['name'].'" onclick="changeLanguage(\''.$id.'\', '.$ids.', '.$language['id_lang'].', \''.$language['iso_code'].'\');" /> ';
			else
			$output .= '<img src="../img/l/'.(int)$language['id_lang'].'.jpg" class="pointer" alt="'.$language['name'].'" title="'.$language['name'].'" onclick="changeLanguage(\''.$id.'\', \''.$ids.'\', '.$language['id_lang'].', \''.$language['iso_code'].'\');" /> ';
		$output .= '</div>';

		if ($return)
			return $output;
		echo $output;
	}

	/**
	 * Connect module to a hook
	 *
	 * @param string $hook_name Hook name
	 * @param array $shop_list List of shop linked to the hook (if null, link hook to all shops)
	 * @return boolean result
	 */
	public function registerHook($hook_name, $shop_list = null)
	{
		// Check hook name validation and if module is installed
		if (!Validate::isHookName($hook_name))
			throw new PrestaShopException('Invalid hook name');
		if (!isset($this->id) || !is_numeric($this->id))
			return false;

		// Retrocompatibility
		$hook_name_bak = $hook_name;
		if ($alias = Hook::getRetroHookName($hook_name))
			$hook_name = $alias;

		Hook::exec('actionModuleRegisterHookBefore', array('object' => $this, 'hook_name' => $hook_name));
		// Get hook id
		$id_hook = Hook::getIdByName($hook_name);
		$live_edit = Hook::getLiveEditById((int)Hook::getIdByName($hook_name_bak));

		// If hook does not exist, we create it
		if (!$id_hook)
		{
			$new_hook = new Hook();
			$new_hook->name = pSQL($hook_name);
			$new_hook->title = pSQL($hook_name);
			$new_hook->live_edit  = pSQL($live_edit);
			$new_hook->add();
			$id_hook = $new_hook->id;
			if (!$id_hook)
				return false;
		}

		// If shop lists is null, we fill it with all shops
		if (is_null($shop_list))
			$shop_list = Shop::getShops(true, null, true);

		$return = true;
		foreach ($shop_list as $shop_id)
		{
			// Check if already register
			$sql = 'SELECT hm.`id_module`
				FROM `'._DB_PREFIX_.'hook_module` hm, `'._DB_PREFIX_.'hook` h
				WHERE hm.`id_module` = '.(int)($this->id).' AND h.`id_hook` = '.$id_hook.'
				AND h.`id_hook` = hm.`id_hook` AND `id_shop` = '.(int)$shop_id;
			if (Db::getInstance()->getRow($sql))
				continue;

			// Get module position in hook
			$sql = 'SELECT MAX(`position`) AS position
				FROM `'._DB_PREFIX_.'hook_module`
				WHERE `id_hook` = '.(int)$id_hook.' AND `id_shop` = '.(int)$shop_id;
			if (!$position = Db::getInstance()->getValue($sql))
				$position = 0;

			// Register module in hook
			$return &= Db::getInstance()->insert('hook_module', array(
				'id_module' => (int)$this->id,
				'id_hook' => (int)$id_hook,
				'id_shop' => (int)$shop_id,
				'position' => (int)($position + 1),
			));
		}

		Hook::exec('actionModuleRegisterHookAfter', array('object' => $this, 'hook_name' => $hook_name));
		return $return;
	}

	/**
	  * Unregister module from hook
	  *
	  * @param mixed $id_hook Hook id (can be a hook name since 1.5.0)
	  * @param array $shop_list List of shop
	  * @return boolean result
	  */
	public function unregisterHook($hook_id, $shop_list = null)
	{
		// Get hook id if a name is given as argument
		if (!is_numeric($hook_id))
		{
			$hook_name = (int)$hook_id;
			// Retrocompatibility
			$hook_id = Hook::getIdByName($hook_id);
			if (!$hook_id)
				return false;
		}
		else
			$hook_name = Hook::getNameById((int)$hook_id);

		Hook::exec('actionModuleUnRegisterHookBefore', array('object' => $this, 'hook_name' => $hook_name));

		// Unregister module on hook by id
		$sql = 'DELETE FROM `'._DB_PREFIX_.'hook_module`
			WHERE `id_module` = '.(int)$this->id.' AND `id_hook` = '.(int)$hook_id
			.(($shop_list) ? ' AND `id_shop` IN('.implode(', ', $shop_list).')' : '');
		$result = Db::getInstance()->execute($sql);

		// Clean modules position
		$this->cleanPositions($hook_id, $shop_list);

		Hook::exec('actionModuleUnRegisterHookAfter', array('object' => $this, 'hook_name' => $hook_name));

		return $result;
	}

	/**
	  * Unregister exceptions linked to module
	  *
	  * @param int $id_hook Hook id
	  * @param array $shop_list List of shop
	  * @return boolean result
	  */
	public function unregisterExceptions($hook_id, $shop_list = null)
	{
		$sql = 'DELETE FROM `'._DB_PREFIX_.'hook_module_exceptions`
			WHERE `id_module` = '.(int)$this->id.' AND `id_hook` = '.(int)$hook_id
			.(($shop_list) ? ' AND `id_shop` IN('.implode(', ', $shop_list).')' : '');
		return Db::getInstance()->execute($sql);
	}

	/**
	  * Add exceptions for module->Hook
	  *
	  * @param int $id_hook Hook id
	  * @param array $excepts List of file name
	  * @param array $shop_list List of shop
	  * @return boolean result
	  */
	public function registerExceptions($id_hook, $excepts, $shop_list = null)
	{
		// If shop lists is null, we fill it with all shops
		if (is_null($shop_list))
			$shop_list = Shop::getContextListShopID();

		// Save modules exception for each shop
		foreach ($shop_list as $shop_id)
		{
			foreach ($excepts as $except)
			{
				if (!$except)
					continue;
				$insertException = array(
					'id_module' => (int)$this->id,
					'id_hook' => (int)$id_hook,
					'id_shop' => (int)$shop_id,
					'file_name' => pSQL($except),
				);
				$result = Db::getInstance()->insert('hook_module_exceptions', $insertException);
				if (!$result)
					return false;
			}
		}
		return true;
	}

	/**
	  * Edit exceptions for module->Hook
	  *
	  * @param int $hookID Hook id
	  * @param array $excepts List of shopID and file name
	  * @return boolean result
	  */
	public function editExceptions($id_hook, $excepts)
	{
		$result = true;
		foreach ($excepts as $shop_id => $except)
		{
			$shop_list = ($shop_id == 0) ? Shop::getContextListShopID() : array($shop_id);
			$this->unregisterExceptions($id_hook, $shop_list);
			$result &= $this->registerExceptions($id_hook, $except, $shop_list);
		}

		return $result;
	}


	/**
	 * This function is used to determine the module name
	 * of an AdminTab which belongs to a module, in order to keep translation
	 * related to a module in its directory (instead of $_LANGADM)
	 *
	 * @param mixed $currentClass the
	 * @return boolean|string if the class belongs to a module, will return the module name. Otherwise, return false.
	 */
	public static function getModuleNameFromClass($currentClass)
	{
		// Module can now define AdminTab keeping the module translations method,
		// i.e. in modules/[module name]/[iso_code].php
		if (!isset(self::$classInModule[$currentClass]) && class_exists($currentClass))
		{
			global $_MODULES;
			$_MODULE = array();
			$reflectionClass = new ReflectionClass($currentClass);
			$filePath = realpath($reflectionClass->getFileName());
			$realpathModuleDir = realpath(_PS_MODULE_DIR_);
			if (substr(realpath($filePath), 0, strlen($realpathModuleDir)) == $realpathModuleDir)
			{
				// For controllers in module/controllers path
				if (basename(dirname(dirname($filePath))) == 'controllers')
					self::$classInModule[$currentClass] = basename(dirname(dirname(dirname($filePath))));
				// For old AdminTab controllers
				else
					self::$classInModule[$currentClass] = substr(dirname($filePath), strlen($realpathModuleDir) + 1);

				$file = _PS_MODULE_DIR_.self::$classInModule[$currentClass].'/'.Context::getContext()->language->iso_code.'.php';
				if (Tools::file_exists_cache($file) && include_once($file))
					$_MODULES = !empty($_MODULES) ? array_merge($_MODULES, $_MODULE) : $_MODULE;
			}
			else
				self::$classInModule[$currentClass] = false;
		}

		// return name of the module, or false
		return self::$classInModule[$currentClass];
	}

	/**
	  * Return an instance of the specified module
	  *
	  * @param string $module_name Module name
	  * @return Module
	  */
	public static function getInstanceByName($module_name)
	{
		if (!Validate::isModuleName($module_name))
		{
			if (_PS_MODE_DEV_)
				die(Tools::displayError($module_name.' is not a valid module name.'));
			return false;
		}

		if (!isset(self::$_INSTANCE[$module_name]))
		{
			if (Tools::file_exists_cache(_PS_MODULE_DIR_.$module_name.'/'.$module_name.'.php'))
			{
				include_once(_PS_MODULE_DIR_.$module_name.'/'.$module_name.'.php');

				if (class_exists($module_name, false))
					return self::$_INSTANCE[$module_name] = new $module_name;
			}
			return false;
		}
		return self::$_INSTANCE[$module_name];
	}

	/**
	  * Return an instance of the specified module
	  *
	  * @param integer $id_module Module ID
	  * @return Module instance
	  */
	public static function getInstanceById($id_module)
	{
		static $id2name = null;

		if (is_null($id2name))
		{
			$id2name = array();
			$sql = 'SELECT `id_module`, `name` FROM `'._DB_PREFIX_.'module`';
			if ($results = Db::getInstance()->executeS($sql))
				foreach ($results as $row)
					$id2name[$row['id_module']] = $row['name'];
		}

		if (isset($id2name[$id_module]))
			return Module::getInstanceByName($id2name[$id_module]);

		return false;
	}

	public static function configXmlStringFormat($string)
	{
		return str_replace('\'', '\\\'', Tools::htmlentitiesDecodeUTF8($string));
	}


	public static function getModuleName($module)
	{
		// Config file
		$configFile = _PS_MODULE_DIR_.$module.'/config.xml';
		if (!file_exists($configFile))
			return 'Module '.ucfirst($module);

		// Load config.xml
		libxml_use_internal_errors(true);
		$xml_module = simplexml_load_file($configFile);
		foreach (libxml_get_errors() as $error)
		{
			libxml_clear_errors();
			return 'Module '.ucfirst($module);
		}
		libxml_clear_errors();

		// Find translations
		global $_MODULES;
		$file = _PS_MODULE_DIR_.$module.'/'.Context::getContext()->language->iso_code.'.php';
		if (Tools::file_exists_cache($file) && include_once($file))
			if (isset($_MODULE) && is_array($_MODULE))
				$_MODULES = !empty($_MODULES) ? array_merge($_MODULES, $_MODULE) : $_MODULE;

		// Return Name
		return Translate::getModuleTranslation((string)$xml_module->name, Module::configXmlStringFormat($xml_module->displayName), (string)$xml_module->name);
	}


	/**
	 * Return available modules
	 *
	 * @param boolean $useConfig in order to use config.xml file in module dir
	 * @return array Modules
	 */
	public static function getModulesOnDisk($useConfig = false, $loggedOnAddons = false, $id_employee = false)
	{
		global $_MODULES;

		// Init var
		$module_list = array();
		$module_name_list = array();
		$modulesNameToCursor = array();
		$errors = array();

		// Get modules directory list and memory limit
		$modules_dir = Module::getModulesDirOnDisk();
		$memory_limit = Tools::getMemoryLimit();
		
		$modules_installed = array();
		$result = Db::getInstance()->executeS('
		SELECT name, version, interest
		FROM `'._DB_PREFIX_.'module`
		LEFT JOIN `'._DB_PREFIX_.'module_preference` ON (`module` = `name` AND `id_employee` = '.(int)$id_employee.')');
		foreach ($result as $row)
			$modules_installed[$row['name']] = $row;

		foreach ($modules_dir as $module)
		{
			// Memory usage checking
			if (function_exists('memory_get_usage') && $memory_limit != '-1')
			{
				$current_memory = memory_get_usage(true);
				// memory_threshold in MB
				$memory_threshold = (Tools::isX86_64arch() ? 3 : 1.5);
				if (($memory_limit - $current_memory) <= ($memory_threshold * 1024 * 1024))
				{
					$errors[] = Tools::displayError('All modules cannot be loaded due to memory limit restrictions, please increase your memory_limit value on your server configuration');
					break;
				}
			}

			// Check if config.xml module file exists and if it's not outdated
			$configFile = _PS_MODULE_DIR_.$module.'/config.xml';
			$xml_exist = file_exists($configFile);
			if ($xml_exist)
				$needNewConfigFile = (filemtime($configFile) < filemtime(_PS_MODULE_DIR_.$module.'/'.$module.'.php'));
			else
				$needNewConfigFile = true;

			// If config.xml exists and that the use config flag is at true
			if ($useConfig && $xml_exist)
			{
				// Load config.xml
				libxml_use_internal_errors(true);
				$xml_module = simplexml_load_file($configFile);
				foreach (libxml_get_errors() as $error)
					$errors[] = '['.$module.'] '.Tools::displayError('Error found in config file:').' '.htmlentities($error->message);
				libxml_clear_errors();

				// If no errors in Xml, no need instand and no need new config.xml file, we load only translations
				if (!count($errors) && (int)$xml_module->need_instance == 0 && !$needNewConfigFile)
				{
					$file = _PS_MODULE_DIR_.$module.'/'.Context::getContext()->language->iso_code.'.php';
					if (Tools::file_exists_cache($file) && include_once($file))
						if (isset($_MODULE) && is_array($_MODULE))
							$_MODULES = !empty($_MODULES) ? array_merge($_MODULES, $_MODULE) : $_MODULE;

					$item = new stdClass();
					$item->id = 0;
					$item->warning = '';
					foreach ($xml_module as $k => $v)
						$item->$k = (string)$v;
					$item->displayName = stripslashes(Translate::getModuleTranslation((string)$xml_module->name, Module::configXmlStringFormat($xml_module->displayName), (string)$xml_module->name));
					$item->description = stripslashes(Translate::getModuleTranslation((string)$xml_module->name, Module::configXmlStringFormat($xml_module->description), (string)$xml_module->name));
					$item->author = stripslashes(Translate::getModuleTranslation((string)$xml_module->name, Module::configXmlStringFormat($xml_module->author), (string)$xml_module->name));

					if (isset($xml_module->confirmUninstall))
						$item->confirmUninstall = Translate::getModuleTranslation((string)$xml_module->name, Module::configXmlStringFormat($xml_module->confirmUninstall), (string)$xml_module->name);

					$item->active = 0;
					$item->onclick_option = false;
					
					$module_list[] = $item;
					$module_name_list[] = '\''.pSQL($item->name).'\'';
					$modulesNameToCursor[strval($item->name)] = $item;
				}
			}

			// If use config flag is at false or config.xml does not exist OR need instance OR need a new config.xml file
			if (!$useConfig || !$xml_exist || (isset($xml_module->need_instance) && (int)$xml_module->need_instance == 1) || $needNewConfigFile)
			{
				// If class does not exists, we include the file
				if (!class_exists($module, false))
				{
					// Get content from php file
					$filepath = _PS_MODULE_DIR_.$module.'/'.$module.'.php';
					$file = trim(file_get_contents(_PS_MODULE_DIR_.$module.'/'.$module.'.php'));
					if (substr($file, 0, 5) == '<?php')
						$file = substr($file, 5);
					if (substr($file, -2) == '?>')
						$file = substr($file, 0, -2);

					// If (false) is a trick to not load the class with "eval".
					// This way require_once will works correctly
					if (eval('if (false){	'.$file.' }') !== false)
						require_once( _PS_MODULE_DIR_.$module.'/'.$module.'.php' );
					else
						$errors[] = sprintf(Tools::displayError('%1$s (parse error in %2$s)'), $module, substr($filepath, strlen(_PS_ROOT_DIR_)));
				}

				// If class exists, we just instanciate it
				if (class_exists($module, false))
				{
					$tmp_module = new $module;

					$item = new stdClass();
					$item->id = $tmp_module->id;
					$item->warning = $tmp_module->warning;
					$item->name = $tmp_module->name;
					$item->version = $tmp_module->version;
					$item->tab = $tmp_module->tab;
					$item->displayName = $tmp_module->displayName;
					$item->description = stripslashes($tmp_module->description);
					$item->author = $tmp_module->author;
					$item->limited_countries = $tmp_module->limited_countries;
					$item->parent_class = get_parent_class($module);
					$item->is_configurable = $tmp_module->is_configurable = method_exists($tmp_module, 'getContent') ? 1 : 0;
					$item->need_instance = isset($tmp_module->need_instance) ? $tmp_module->need_instance : 0;
					$item->active = $tmp_module->active;
					$item->currencies = isset($tmp_module->currencies) ? $tmp_module->currencies : null;
					$item->currencies_mode = isset($tmp_module->currencies_mode) ? $tmp_module->currencies_mode : null;
					$item->confirmUninstall = isset($tmp_module->confirmUninstall) ? $tmp_module->confirmUninstall : null;
					
					$item->onclick_option  = method_exists($module, 'onclickOption') ? true : false;
					if ($item->onclick_option)
					{
						$href = Context::getContext()->link->getAdminLink('Module', true).'&module_name='.$tmp_module->name.'&tab_module='.$tmp_module->tab;
						$item->onclick_option_content = array();
						$option_tab = array('desactive', 'reset', 'configure', 'delete');
						foreach ($option_tab as $opt)
							$item->onclick_option_content[$opt] = $tmp_module->onclickOption($opt, $href);					
					}
					
					
					$module_list[] = $item;
					if (!$xml_exist || $needNewConfigFile)
					{
						self::$_generate_config_xml_mode = true;
						$tmp_module->_generateConfigXml();
						self::$_generate_config_xml_mode = false;
					}
					unset($tmp_module);
				}
				else
					$errors[] = sprintf(Tools::displayError('%1$s (class missing in %2$s)'), $module, substr($filepath, strlen(_PS_ROOT_DIR_)));
			}
		}

		// Get modules information from database
		if (!empty($module_name_list))
		{
			$list = Shop::getContextListShopID();

			$sql = 'SELECT m.id_module, m.name, (
						SELECT COUNT(*) FROM '._DB_PREFIX_.'module_shop ms WHERE m.id_module = ms.id_module AND ms.id_shop IN ('.implode(',', $list).')
					) as total
					FROM '._DB_PREFIX_.'module m
					WHERE m.name IN ('.implode(',', $module_name_list).')';
			$results = Db::getInstance()->executeS($sql);
			foreach ($results as $result)
			{
				$moduleCursor = $modulesNameToCursor[$result['name']];
				$moduleCursor->id = $result['id_module'];
				$moduleCursor->active = ($result['total'] == count($list)) ? 1 : 0;
			}
		}

		// Get Default Country Modules and customer module
		$files_list = array(
			array('type' => 'addonsNative', 'file' => _PS_ROOT_DIR_.self::CACHE_FILE_DEFAULT_COUNTRY_MODULES_LIST, 'loggedOnAddons' => 0),
			array('type' => 'addonsBought', 'file' => _PS_ROOT_DIR_.self::CACHE_FILE_CUSTOMER_MODULES_LIST, 'loggedOnAddons' => 1),
			array('type' => 'addonsMustHave', 'file' => _PS_ROOT_DIR_.self::CACHE_FILE_MUST_HAVE_MODULES_LIST, 'loggedOnAddons' => 0),
		);
		foreach ($files_list as $f)
			if (file_exists($f['file']) && ($f['loggedOnAddons'] == 0 || $loggedOnAddons))
			{
				$file = $f['file'];
				$content = Tools::file_get_contents($file);
				$xml = @simplexml_load_string($content, null, LIBXML_NOCDATA);
				if ($xml && isset($xml->module))
					foreach ($xml->module as $modaddons)
					{
						$flag_found = 0;
						foreach ($module_list as $k => $m)
							if ($m->name == $modaddons->name && !isset($m->available_on_addons))
							{
								$flag_found = 1;
								if ($m->version != $modaddons->version && version_compare($m->version, $modaddons->version) === -1)
									$module_list[$k]->version_addons = $modaddons->version;
							}
						if ($flag_found == 0)
						{
							$item = new stdClass();
							$item->id = 0;
							$item->warning = '';
							$item->type = strip_tags((string)$f['type']);
							$item->name = strip_tags((string)$modaddons->name);
							$item->version = strip_tags((string)$modaddons->version);
							$item->tab = strip_tags((string)$modaddons->tab);
							$item->displayName = strip_tags((string)$modaddons->displayName).' (Addons)';
							$item->description = stripslashes(strip_tags((string)$modaddons->description));
							$item->author = strip_tags((string)$modaddons->author);
							$item->limited_countries = array();
							$item->parent_class = '';
							$item->onclick_option = false;
							$item->is_configurable = 0;
							$item->need_instance = 0;
							$item->not_on_disk = 1;
							$item->available_on_addons = 1;
							$item->active = 0;
							if (isset($modaddons->img))
							{
								if (!file_exists(_PS_TMP_IMG_DIR_.md5($modaddons->name).'.jpg'))
									if (!file_put_contents(_PS_TMP_IMG_DIR_.md5($modaddons->name).'.jpg', Tools::file_get_contents($modaddons->img)))
										copy(_PS_IMG_DIR_.'404.gif', _PS_TMP_IMG_DIR_.md5($modaddons->name).'.jpg');
								if (file_exists(_PS_TMP_IMG_DIR_.md5($modaddons->name).'.jpg'))
									$item->image = '../img/tmp/'.md5($modaddons->name).'.jpg';
							}
							if ($item->type == 'addonsMustHave')
							{
								$item->addons_buy_url = strip_tags((string)$modaddons->url);
								$prices = (array)$modaddons->price;
								$id_default_currency = Configuration::get('PS_CURRENCY_DEFAULT');
								foreach ($prices as $currency => $price)
									if ($id_currency = Currency::getIdByIsoCode($currency))
									{
										$item->price = (float)$price;
										$item->id_currency = (int)$id_currency;
										if ($id_default_currency == $id_currency)
											break;
									}
							}
							$module_list[] = $item;
						}
					}
			}
			
		foreach ($module_list as &$module)
			if (isset($modules_installed[$module->name]))
			{
				$module->installed = true;
				$module->database_version = $modules_installed[$module->name]['version'];
				$module->interest = $modules_installed[$module->name]['interest'];
			}
			else
			{
				$module->installed = false;
				$module->database_version = 0;
				$module->interest = 0;
			}

		usort($module_list, create_function('$a,$b', '
			if ($a->displayName == $b->displayName)
				return 0;
			return ($a->displayName < $b->displayName) ? -1 : 1;
		'));

		if ($errors)
		{
			echo '<div class="alert error"><h3>'.Tools::displayError('The following module(s) could not be loaded').':</h3><ol>';
			foreach ($errors as $error)
				echo '<li>'.$error.'</li>';
			echo '</ol></div>';
		}

		return $module_list;
	}

	/**
	 * Return modules directory list
	 *
	 * @return array Modules Directory List
	 */
	public static function getModulesDirOnDisk()
	{
		$module_list = array();
		$modules = scandir(_PS_MODULE_DIR_);
		foreach ($modules as $name)
		{
			if (is_dir(_PS_MODULE_DIR_.$name) && Tools::file_exists_cache(_PS_MODULE_DIR_.$name.'/'.$name.'.php'))
			{
				if (!Validate::isModuleName($name))
					throw new PrestaShopException(sprintf('Module %s is not a valid module name', $name));
				$module_list[] = $name;
			}
		}
		return $module_list;
	}


	/**
	 * Return non native module
	 *
	 * @param int $position Take only positionnables modules
	 * @return array Modules
	 */
	public static function getNonNativeModuleList()
	{
		$db = Db::getInstance();

		$module_list_xml = _PS_ROOT_DIR_.self::CACHE_FILE_MODULES_LIST;
		$native_modules = simplexml_load_file($module_list_xml);
		$native_modules = $native_modules->modules;
		foreach ($native_modules as $native_modules_type)
			if (in_array($native_modules_type['type'], array('native', 'partner')))
			{
				$arr_native_modules[] = '""';
				foreach ($native_modules_type->module as $module)
					$arr_native_modules[] = '"'.pSQL($module['name']).'"';
			}

		return $db->executeS('SELECT * FROM `'._DB_PREFIX_.'module` m WHERE `name` NOT IN ('.implode(',', $arr_native_modules).') ');
	}

	/**
	 * Return installed modules
	 *
	 * @param int $position Take only positionnables modules
	 * @return array Modules
	 */
	public static function getModulesInstalled($position = 0)
	{
		$sql = 'SELECT m.* FROM `'._DB_PREFIX_.'module` m ';
		if ($position)
			$sql .= 'LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON m.`id_module` = hm.`id_module`
				 LEFT JOIN `'._DB_PREFIX_.'hook` k ON hm.`id_hook` = k.`id_hook`
				 WHERE k.`position` = 1
				 GROUP BY m.id_module';
		return Db::getInstance()->executeS($sql);
	}

	/**
	 * Execute modules for specified hook
	 *
	 * @param string $hook_name Hook Name
	 * @param array $hookArgs Parameters for the functions
	 * @return string modules output
	 */
	public static function hookExec($hook_name, $hookArgs = array(), $id_module = null)
	{
		Tools::displayAsDeprecated();
		return Hook::exec($hook_name, $hookArgs, $id_module);
	}

	public static function hookExecPayment()
	{
		Tools::displayAsDeprecated();
		return Hook::exec('displayPayment');
	}

	public static function preCall($module_name)
	{
		return true;
	}
	
	public static function getPaypalIgnore()
	{
		$iso_code = Country::getIsoById((int)Configuration::get('PS_COUNTRY_DEFAULT'));
		$paypal_countries = array('ES', 'FR', 'PL', 'IT');
		if (Context::getContext()->getMobileDevice() && Context::getContext()->shop->getTheme() == 'default' && in_array($iso_code, $paypal_countries))
			return 'm.`name` = \'paypal\'';
	}

	/**
	 * Returns the list of the payment module associated to the current customer
	 * @see PaymentModule::getInstalledPaymentModules() if you don't care about the context
	 *
	 * @return array module informations
	 */
	public static function getPaymentModules()
	{
		$context = Context::getContext();
		if (isset($context->cart))
			$billing = new Address((int)$context->cart->id_address_invoice);

		$frontend = true;
		$groups = array();
		if (isset($context->employee))
			$frontend = false;
		elseif (isset($context->customer))
		{
			$groups = $context->customer->getGroups();
			if (!count($groups))
				$groups = array(Configuration::get('PS_UNIDENTIFIED_GROUP'));
		}

		$hookPayment = 'Payment';
		if (Db::getInstance()->getValue('SELECT `id_hook` FROM `'._DB_PREFIX_.'hook` WHERE `name` = \'displayPayment\''))
			$hookPayment = 'displayPayment';

		$list = Shop::getContextListShopID();
		if ($paypal_condition = Module::getPaypalIgnore())
			$paypal_condition = ' AND '.$paypal_condition;
			
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT DISTINCT m.`id_module`, h.`id_hook`, m.`name`, hm.`position`
		FROM `'._DB_PREFIX_.'module` m
		'.($frontend ? 'LEFT JOIN `'._DB_PREFIX_.'module_country` mc ON (m.`id_module` = mc.`id_module` AND mc.id_shop = '.(int)$context->shop->id.')' : '').'
		'.($frontend ? 'INNER JOIN `'._DB_PREFIX_.'module_group` mg ON (m.`id_module` = mg.`id_module` AND mg.id_shop = '.(int)$context->shop->id.')' : '').'
		'.($frontend && isset($context->customer) ? 'INNER JOIN `'._DB_PREFIX_.'customer_group` cg on (cg.`id_group` = mg.`id_group`AND cg.`id_customer` = '.(int)$context->customer->id.')' : '').'
		LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_module` = m.`id_module`
		LEFT JOIN `'._DB_PREFIX_.'hook` h ON hm.`id_hook` = h.`id_hook`
		WHERE h.`name` = \''.pSQL($hookPayment).'\'
		'.(isset($billing) && $frontend ? 'AND mc.id_country = '.(int)$billing->id_country : '').'
		AND (SELECT COUNT(*) FROM '._DB_PREFIX_.'module_shop ms WHERE ms.id_module = m.id_module AND ms.id_shop IN('.implode(', ', $list).')) = '.count($list).'
		AND hm.id_shop IN('.implode(', ', $list).')
		'.((count($groups) && $frontend) ? 'AND (mg.`id_group` IN ('.implode(', ', $groups).'))' : '').$paypal_condition.'
		GROUP BY hm.id_hook, hm.id_module
		ORDER BY hm.`position`, m.`name` DESC');
	}

	/**
	 * @deprecated 1.5.0 Use Translate::getModuleTranslation()
	 */
	public static function findTranslation($name, $string, $source)
	{
		return Translate::getModuleTranslation($name, $string, $source);
	}

	/**
	 * Get translation for a given module text
	 *
	 * Note: $specific parameter is mandatory for library files.
	 * Otherwise, translation key will not match for Module library
	 * when module is loaded with eval() Module::getModulesOnDisk()
	 *
	 * @param string $string String to translate
	 * @param boolean|string $specific filename to use in translation key
	 * @return string Translation
	 */
	public function l($string, $specific = false)
	{
		if (self::$_generate_config_xml_mode)
			return $string;

		return Translate::getModuleTranslation($this, $string, ($specific) ? $specific : $this->name);
	}

	/*
	 * Reposition module
	 *
	 * @param boolean $id_hook Hook ID
	 * @param boolean $way Up (1) or Down (0)
	 * @param int $position
	 */
	public function updatePosition($id_hook, $way, $position = null)
	{
		foreach (Shop::getContextListShopID() as $shop_id)
		{
			$sql = 'SELECT hm.`id_module`, hm.`position`, hm.`id_hook`
					FROM `'._DB_PREFIX_.'hook_module` hm
					WHERE hm.`id_hook` = '.(int)$id_hook.' AND hm.`id_shop` = '.$shop_id.'
					ORDER BY hm.`position` '.($way ? 'ASC' : 'DESC');
			if (!$res = Db::getInstance()->executeS($sql))
				continue;

			foreach ($res as $key => $values)
				if ((int)$values[$this->identifier] == (int)$this->id)
				{
					$k = $key;
					break;
				}
			if (!isset($k) || !isset($res[$k]) || !isset($res[$k + 1]))
				return false;

			$from = $res[$k];
			$to = $res[$k + 1];

			if (isset($position) && !empty($position))
				$to['position'] = (int)$position;

			$sql = 'UPDATE `'._DB_PREFIX_.'hook_module`
				SET `position`= position '.($way ? '-1' : '+1').'
				WHERE position between '.(int)(min(array($from['position'], $to['position']))).' AND '.max(array($from['position'], $to['position'])).'
				AND `id_hook` = '.(int)$from['id_hook'].' AND `id_shop` = '.$shop_id;
			if (!Db::getInstance()->execute($sql))
				return false;

			$sql = 'UPDATE `'._DB_PREFIX_.'hook_module`
				SET `position`='.(int)$to['position'].'
				WHERE `'.pSQL($this->identifier).'` = '.(int)$from[$this->identifier].'
				AND `id_hook` = '.(int)$to['id_hook'].' AND `id_shop` = '.$shop_id;
			if (!Db::getInstance()->execute($sql))
				return false;
		}
		return true;
	}

	/*
	 * Reorder modules position
	 *
	 * @param boolean $id_hook Hook ID
	 * @param array $shop_list List of shop
	 */
	public function cleanPositions($id_hook, $shop_list = null)
	{
		$sql = 'SELECT `id_module`, `id_shop`
			FROM `'._DB_PREFIX_.'hook_module`
			WHERE `id_hook` = '.(int)$id_hook.'
			'.((!is_null($shop_list) && $shop_list) ? ' AND `id_shop` IN('.implode(', ', $shop_list).')' : '').'
			ORDER BY `position`';
		$results = Db::getInstance()->executeS($sql);
		$position = array();
		foreach ($results as $row)
		{
			if (!isset($position[$row['id_shop']]))
				$position[$row['id_shop']] = 1;

			$sql = 'UPDATE `'._DB_PREFIX_.'hook_module`
				SET `position` = '.$position[$row['id_shop']].'
				WHERE `id_hook` = '.(int)$id_hook.'
				AND `id_module` = '.$row['id_module'].' AND `id_shop` = '.$row['id_shop'];
			Db::getInstance()->execute($sql);
			$position[$row['id_shop']]++;
		}

		return true;
	}

	public function displayError($error)
	{
	 	$output = '
		<div class="module_error alert error">
			'.$error.'
		</div>';
		$this->error = true;
		return $output;
	}

	public function displayConfirmation($string)
	{
	 	$output = '
		<div class="module_confirmation conf confirm">
			'.$string.'
		</div>';
		return $output;
	}

	/*
	 * Return exceptions for module in hook
	 *
	 * @param int $id_hook Hook ID
	 * @return array Exceptions
	 */
	public function getExceptions($id_hook, $dispatch = false)
	{
		$cache_id = 'exceptionsCache';
		if (!Cache::isStored($cache_id))
		{
			$exceptionsCache = array();
			$sql = 'SELECT * FROM `'._DB_PREFIX_.'hook_module_exceptions`
				WHERE `id_shop` IN ('.implode(', ', Shop::getContextListShopID()).')';
			$result = Db::getInstance()->executeS($sql);
			foreach ($result as $row)
			{
				if (!$row['file_name'])
					continue;
				$key = $row['id_hook'].'-'.$row['id_module'];
				if (!isset($exceptionsCache[$key]))
					$exceptionsCache[$key] = array();
				if (!isset($exceptionsCache[$key][$row['id_shop']]))
					$exceptionsCache[$key][$row['id_shop']] = array();
				$exceptionsCache[$key][$row['id_shop']][] = $row['file_name'];
			}
			Cache::store($cache_id, $exceptionsCache);
		}
		else
			$exceptionsCache = Cache::retrieve($cache_id);

		$key = $id_hook.'-'.$this->id;
		$array_return = array();
		if ($dispatch)
		{
			foreach (Shop::getContextListShopID() as $shop_id)
				if (isset($exceptionsCache[$key], $exceptionsCache[$key][$shop_id]))
					$array_return[$shop_id] = $exceptionsCache[$key][$shop_id];
		}
		else
		{
			foreach (Shop::getContextListShopID() as $shop_id)
				if (isset($exceptionsCache[$key], $exceptionsCache[$key][$shop_id]))
					foreach ($exceptionsCache[$key][$shop_id] as $file)
						if (!in_array($file, $array_return))
							$array_return[] = $file;
		}
		return $array_return;
	}

	public static function isInstalled($module_name)
	{
		if (!Cache::isStored('Module::isInstalled'.$module_name))
		{
			$id_module = Module::getModuleIdByName($module_name);
			Cache::store('Module::isInstalled'.$module_name, (bool)$id_module);
		}
		return Cache::retrieve('Module::isInstalled'.$module_name);
	}

	public static function isEnabled($module_name)
	{
		if (!Cache::isStored('Module::isEnabled'.$module_name))
		{
			$active = false;
			$id_module = Module::getModuleIdByName($module_name);
			if (Db::getInstance()->getValue('SELECT `id_module` FROM `'._DB_PREFIX_.'module_shop` WHERE `id_module` = '.(int)$id_module.' AND `id_shop` = '.(int)Context::getContext()->shop->id))
				$active = true;
			Cache::store('Module::isEnabled'.$module_name, (bool)$active);
		}
		return Cache::retrieve('Module::isEnabled'.$module_name);
	}

	public function isRegisteredInHook($hook)
	{
		if (!$this->id)
			return false;

		$sql = 'SELECT COUNT(*)
			FROM `'._DB_PREFIX_.'hook_module` hm
			LEFT JOIN `'._DB_PREFIX_.'hook` h ON (h.`id_hook` = hm.`id_hook`)
			WHERE h.`name` = \''.pSQL($hook).'\' AND hm.`id_module` = '.(int)$this->id;
		return Db::getInstance()->getValue($sql);
	}

	/*
	** Template management (display, overload, cache)
	*/
	protected static function _isTemplateOverloadedStatic($module_name, $template)
	{
		if (Tools::file_exists_cache(_PS_THEME_DIR_.'modules/'.$module_name.'/'.$template))
			return _PS_THEME_DIR_.'modules/'.$module_name.'/'.$template;
		elseif (Tools::file_exists_cache(_PS_THEME_DIR_.'modules/'.$module_name.'/views/templates/hook/'.$template))
			return _PS_THEME_DIR_.'modules/'.$module_name.'/views/templates/hook/'.$template;
		elseif (Tools::file_exists_cache(_PS_THEME_DIR_.'modules/'.$module_name.'/views/templates/front/'.$template))
			return _PS_THEME_DIR_.'modules/'.$module_name.'/views/templates/front/'.$template;
		elseif (Tools::file_exists_cache(_PS_MODULE_DIR_.$module_name.'/views/templates/hook/'.$template))
			return false;
		elseif (Tools::file_exists_cache(_PS_MODULE_DIR_.$module_name.'/'.$template))
			return false;
		return null;
	}

	protected function _isTemplateOverloaded($template)
	{
		return Module::_isTemplateOverloadedStatic($this->name, $template);
	}
	
	protected function getCacheId($name = null)
	{
		$cache_array = array(
			$name !== null ? $name : $this->name,
			(int)Tools::usingSecureMode(),
			(int)$this->context->shop->id,
			(int)Group::getCurrent()->id,
			(int)$this->context->language->id,
			(int)$this->context->currency->id,
			(int)$this->context->country->id
		);
		return implode('|', $cache_array);
	}

	public function display($file, $template, $cacheId = null, $compileId = null)
	{
		if (($overloaded = Module::_isTemplateOverloadedStatic(basename($file, '.php'), $template)) === null)
			return Tools::displayError('No template found for module').' '.basename($file, '.php');
		else
		{
			$this->smarty->assign(array(
				'module_dir' =>				__PS_BASE_URI__.'modules/'.basename($file, '.php').'/',
				'module_template_dir' =>	($overloaded ? _THEME_DIR_ : __PS_BASE_URI__).'modules/'.basename($file, '.php').'/'
			));

			if ($cacheId !== null)
				Tools::enableCache();

			$smarty_subtemplate = $this->context->smarty->createTemplate(
				$this->getTemplatePath($template),
				$cacheId,
				$compileId,
				$this->smarty
			);
			$result = $smarty_subtemplate->fetch();

			if ($cacheId !== null)
				Tools::restoreCacheSettings();

			return $result;
		}
	}

	/**
	 * Get realpath of a template of current module (check if template is overriden too)
	 *
	 * @since 1.5.0
	 * @param string $template
	 * @return string
	 */
	public function getTemplatePath($template)
	{
		$overloaded = $this->_isTemplateOverloaded($template);
		if ($overloaded === null)
			return null;
		
		if ($overloaded)
			return $overloaded;
		else if (file_exists(_PS_MODULE_DIR_.$this->name.'/views/templates/hook/'.$template))
			return _PS_MODULE_DIR_.$this->name.'/views/templates/hook/'.$template;
		else
			return _PS_MODULE_DIR_.$this->name.'/'.$template;
	}

	protected function _getApplicableTemplateDir($template)
	{
		return $this->_isTemplateOverloaded($template) ? _PS_THEME_DIR_ : _PS_MODULE_DIR_.$this->name.'/';
	}

	public function isCached($template, $cacheId = null, $compileId = null)
	{
		$context = Context::getContext();

		Tools::enableCache();
		$is_cached =  $context->smarty->isCached($this->getTemplatePath($template), $cacheId, $compileId);
		Tools::restoreCacheSettings();

		return $is_cached;
	}

	protected function _clearCache($template, $cache_id = null, $compile_id = null)
	{
		Tools::enableCache();
		Tools::clearCache(Context::getContext()->smarty, $this->getTemplatePath($template), $cache_id, $compile_id);
		Tools::restoreCacheSettings();
	}

	protected function _generateConfigXml()
	{
		$xml = '<?xml version="1.0" encoding="UTF-8" ?>
        <module>
            <name>'.$this->name.'</name>
            <displayName><![CDATA['.Tools::htmlentitiesUTF8($this->displayName).']]></displayName>
            <version><![CDATA['.$this->version.']]></version>
            <description><![CDATA['.Tools::htmlentitiesUTF8($this->description).']]></description>
            <author><![CDATA['.Tools::htmlentitiesUTF8($this->author).']]></author>
            <tab><![CDATA['.Tools::htmlentitiesUTF8($this->tab).']]></tab>'.(isset($this->confirmUninstall) ? "\n\t".'<confirmUninstall>'.$this->confirmUninstall.'</confirmUninstall>' : '').'
            <is_configurable>'.(isset($this->is_configurable) ? (int)$this->is_configurable : 0).'</is_configurable>
            <need_instance>'.(int)$this->need_instance.'</need_instance>'.(isset($this->limited_countries) ? "\n\t".'<limited_countries>'.(count($this->limited_countries) == 1 ? $this->limited_countries[0] : '').'</limited_countries>' : '').'
        </module>';
		if (is_writable(_PS_MODULE_DIR_.$this->name.'/'))
			file_put_contents(_PS_MODULE_DIR_.$this->name.'/config.xml', $xml);
	}

	/**
	 * Check if the module is transplantable on the hook in parameter
	 * @param string $hook_name
	 * @return bool if module can be transplanted on hook
	 */
	public function isHookableOn($hook_name)
	{
		$retro_hook_name = Hook::getRetroHookName($hook_name);
		return (is_callable(array($this, 'hook'.ucfirst($hook_name))) || is_callable(array($this, 'hook'.ucfirst($retro_hook_name))));
	}

	/**
	 * Check employee permission for module
	 * @param array $variable (action)
	 * @param object $employee
	 * @return bool if module can be transplanted on hook
	 */
	public function getPermission($variable, $employee = null)
	{
		return Module::getPermissionStatic($this->id, $variable, $employee);
	}

	/**
	 * Check employee permission for module (static method)
	 * @param integer $id_module
	 * @param array $variable (action)
	 * @param object $employee
	 * @return bool if module can be transplanted on hook
	 */
	public static function getPermissionStatic($id_module, $variable, $employee = null)
	{
		if (!in_array($variable, array('view', 'configure')))
			return false;
		if (!$employee)
			$employee = Context::getContext()->employee;

		if ($employee->id_profile == _PS_ADMIN_PROFILE_)
			return true;

		if (!isset(self::$cache_permissions[$employee->id_profile]))
		{
			self::$cache_permissions[$employee->id_profile] = array();
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT `id_module`, `view`, `configure` FROM `'._DB_PREFIX_.'module_access` WHERE `id_profile` = '.(int)$employee->id_profile);
			foreach ($result as $row)
			{
				self::$cache_permissions[$employee->id_profile][$row['id_module']]['view'] = $row['view'];
				self::$cache_permissions[$employee->id_profile][$row['id_module']]['configure'] = $row['configure'];
			}
		}

		if (!isset(self::$cache_permissions[$employee->id_profile][$id_module]))
			throw new PrestaShopException('No access reference in table module_access for id_module '.$id_module.'.');

		return (bool)self::$cache_permissions[$employee->id_profile][$id_module][$variable];
	}

	/**
	 * Get Unauthorized modules for a client group
	 * @param integer group_id
	 */
	public static function getAuthorizedModules($group_id)
	{
		return Db::getInstance()->executeS('
		SELECT m.`id_module`, m.`name` FROM `'._DB_PREFIX_.'module_group` mg
		LEFT JOIN `'._DB_PREFIX_.'module` m ON (m.`id_module` = mg.`id_module`)
		WHERE mg.`id_group` = '.(int)$group_id);
	}

	/**
	 * Get id module by name
	 * @param string name
	 * @return integer id
	 */
	public static function getModuleIdByName($name)
	{
		return Db::getInstance()->getValue('SELECT `id_module` FROM `'._DB_PREFIX_.'module` WHERE `name` = "'.pSQL($name).'"');
	}

	/**
	 * Get module errors
	 *
	 * @since 1.5.0
	 * @return array errors
	 */
	public function getErrors()
	{
		return $this->_errors;
	}

	/**
	 * Get module messages confirmation
	 *
	 * @since 1.5.0
	 * @return array conf
	 */
	public function getConfirmations()
	{
		return $this->_confirmations;
	}

	/**
	 * Get local path for module
	 *
	 * @since 1.5.0
	 * @return string
	 */
	public function getLocalPath()
	{
		return $this->local_path;
	}

	/**
	 * Get uri path for module
	 *
	 * @since 1.5.0
	 * @return string
	 */
	public function getPathUri()
	{
		return $this->_path;
	}

	/*
	 * Return module position for a given hook
	 *
	 * @param boolean $id_hook Hook ID
	 * @return integer position
	 */
	public function getPosition($id_hook)
	{
		if (isset(Hook::$preloadModulesFromHooks))
			if (isset(Hook::$preloadModulesFromHooks[$id_hook]))
				if (isset(Hook::$preloadModulesFromHooks[$id_hook]['module_position'][$this->id]))
					return Hook::$preloadModulesFromHooks[$id_hook]['module_position'][$this->id];
				else
					return 0;
		$result = Db::getInstance()->getRow('
			SELECT `position`
			FROM `'._DB_PREFIX_.'hook_module`
			WHERE `id_hook` = '.(int)$id_hook.'
			AND `id_module` = '.(int)$this->id.'
			AND `id_shop` = '.(int)Context::getContext()->shop->id);

		return $result['position'];
	}

	/**
	 * add a warning message to display at the top of the admin page
	 *
	 * @param string $msg
	 */
	public function adminDisplayWarning($msg)
	{
		if (!($this->context->controller instanceof AdminController))
			return false;
		$this->context->controller->warnings[] = $msg;
	}

	/**
	 * add a info message to display at the top of the admin page
	 *
	 * @param string $msg
	 */
	protected function adminDisplayInformation($msg)
	{
		if (!($this->context->controller instanceof AdminController))
			return false;
		$this->context->controller->informations[] = $msg;
	}

	/**
	 * Install overrides files for the module
	 *
	 * @return bool
	 */
	public function installOverrides()
	{
		if (!is_dir($this->getLocalPath().'override'))
			return true;

		$result = true;
		foreach (Tools::scandir($this->getLocalPath().'override', 'php', '', true) as $file)
		{
			$class = basename($file, '.php');
			if (Autoload::getInstance()->getClassPath($class.'Core'))
				$result &= $this->addOverride($class);
		}

		return $result;
	}

	/**
	 * Uninstall overrides files for the module
	 *
	 * @return bool
	 */
	public function uninstallOverrides()
	{
		if (!is_dir($this->getLocalPath().'override'))
			return true;

		$result = true;
		foreach (Tools::scandir($this->getLocalPath().'override', 'php', '', true) as $file)
		{
			$class = basename($file, '.php');
			if (Autoload::getInstance()->getClassPath($class.'Core'))
				$result &= $this->removeOverride($class);
		}
		return $result;
	}

	/**
	 * Add all methods in a module override to the override class
	 *
	 * @param string $classname
	 * @return bool
	 */
	public function addOverride($classname)
	{
		$path = Autoload::getInstance()->getClassPath($classname.'Core');

		// Check if there is already an override file, if not, we just need to copy the file
		if (!($classpath = Autoload::getInstance()->getClassPath($classname)))
		{
			$override_src = $this->getLocalPath().'override'.DIRECTORY_SEPARATOR.$path;
			$override_dest = _PS_ROOT_DIR_.DIRECTORY_SEPARATOR.'override'.DIRECTORY_SEPARATOR.$path;
			if (!is_writable(dirname($override_dest)))
				throw new Exception(sprintf(Tools::displayError('directory (%s) not writable'), dirname($override_dest)));
			copy($override_src, $override_dest);
			// Re-generate the class index
			Autoload::getInstance()->generateIndex();
			return true;
		}
		
		// Check if override file is writable
		$override_path = _PS_ROOT_DIR_.'/'.Autoload::getInstance()->getClassPath($classname);
		if ((!file_exists($override_path) && !is_writable(dirname($override_path))) || (file_exists($override_path) && !is_writable($override_path)))
			throw new Exception(sprintf(Tools::displayError('file (%s) not writable'), $override_path));
			
		// Make a reflection of the override class and the module override class
		$override_file = file($override_path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?#i'), array('', 'class '.$classname.'OverrideOriginal'), implode('', $override_file)));
		$override_class = new ReflectionClass($classname.'OverrideOriginal');

		$module_file = file($this->getLocalPath().'override'.DIRECTORY_SEPARATOR.$path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'(\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?)?#i'), array('', 'class '.$classname.'Override'), implode('', $module_file)));
		$module_class = new ReflectionClass($classname.'Override');

		// Check if none of the methods already exists in the override class
		foreach ($module_class->getMethods() as $method)
			if ($override_class->hasMethod($method->getName()))
				throw new Exception(sprintf(Tools::displayError('The method %1$s in the class %2$s is already overriden.'), $method->getName(), $classname));

		// Check if none of the properties already exists in the override class
		foreach ($module_class->getProperties() as $property)
			if ($override_class->hasProperty($property->getName()))
				throw new Exception(sprintf(Tools::displayError('The property %1$s in the class %2$s is already defined.'), $property->getName(), $classname));

		// Insert the methods from module override in override
		$copy_from = array_slice($module_file, $module_class->getStartLine() + 1, $module_class->getEndLine() - $module_class->getStartLine() - 2);
		array_splice($override_file, $override_class->getEndLine() - 1, 0, $copy_from);
		$code = implode('', $override_file);
		file_put_contents($override_path, $code);

		return true;
	}

	/**
	 * Remove all methods in a module override from the override class
	 *
	 * @param string $classname
	 * @return bool
	 */
	public function removeOverride($classname)
	{
		$path = Autoload::getInstance()->getClassPath($classname.'Core');

		if (!Autoload::getInstance()->getClassPath($classname))
			return true;

		// Check if override file is writable
		$override_path = _PS_ROOT_DIR_.'/'.Autoload::getInstance()->getClassPath($classname);
		if (!is_writable($override_path))
			return false;

		// Make a reflection of the override class and the module override class
		$override_file = file($override_path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?#i'), array('', 'class '.$classname.'OverrideOriginal_remove'), implode('', $override_file)));
		$override_class = new ReflectionClass($classname.'OverrideOriginal_remove');

		$module_file = file($this->getLocalPath().'override/'.$path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'(\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?)?#i'), array('', 'class '.$classname.'Override_remove'), implode('', $module_file)));
		$module_class = new ReflectionClass($classname.'Override_remove');

		// Remove methods from override file
		$override_file = file($override_path);
		foreach ($module_class->getMethods() as $method)
		{
			if (!$override_class->hasMethod($method->getName()))
				continue;

			$method = $override_class->getMethod($method->getName());
			$length = $method->getEndLine() - $method->getStartLine() + 1;
			array_splice($override_file, $method->getStartLine() - 1, $length, array_pad(array(), $length, '#--remove--#'));
		}

		// Remove properties from override file
		foreach ($module_class->getProperties() as $property)
		{
			if (!$override_class->hasProperty($property->getName()))
				continue;

			// Remplacer la ligne de declaration par "remove"
			foreach ($override_file as $line_number => &$line_content)
				if (preg_match('/(public|private|protected)\s+(static\s+)?\$'.$property->getName().'/i', $line_content))
				{
					$line_content = '#--remove--#';
					break;
				}
		}

		// Rewrite nice code
		$code = '';
		foreach ($override_file as $line)
		{
			if ($line == '#--remove--#')
				continue;

			$code .= $line;
		}
		file_put_contents($override_path, $code);

		return true;
	}
}

function ps_module_version_sort($a, $
{
	return version_compare($a['version'], $b['version']);
}

and in override/classes:

<?php

class Module extends ModuleCore
{
	
	
	
	
	
	public function removeOverride($classname)
	{
		$path = Autoload::getInstance()->getClassPath($classname.'Core');

		if (!Autoload::getInstance()->getClassPath($classname))
			return true;

		// Check if override file is writable
		$override_path = _PS_ROOT_DIR_.'/'.Autoload::getInstance()->getClassPath($classname);
		if (!is_writable($override_path))
			return false;

		// Make a reflection of the override class and the module override class
		$override_file = file($override_path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?#i'), array('', 'class '.$classname.'OverrideOriginal_remove'), implode('', $override_file)));
		$override_class = new ReflectionClass($classname.'OverrideOriginal_remove');

		$module_file = file($this->getLocalPath().'override/'.$path);
		eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'(\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?)?#i'), array('', 'class '.$classname.'Override_remove'), implode('', $module_file)));
		$module_class = new ReflectionClass($classname.'Override_remove');

		// Remove methods from override file
		$override_file = file($override_path);
		foreach ($module_class->getMethods() as $method)
		{
			if (!$override_class->hasMethod($method->getName()))
				continue;

			$method = $override_class->getMethod($method->getName());
			$length = $method->getEndLine() - $method->getStartLine() + 1;
			array_splice($override_file, $method->getStartLine() - 1, $length, array_pad(array(), $length, '#--remove--#'));
		}

		// Remove properties from override file
		foreach ($module_class->getProperties() as $property)
		{
			if (!$override_class->hasProperty($property->getName()))
				continue;

			// Remplacer la ligne de declaration par "remove"
			foreach ($override_file as $line_number => &$line_content)
				if (preg_match('/(public|private|protected|const)\s+(static\s+)?\$'.$property->getName().'/i', $line_content))
				{
					$line_content = '#--remove--#';
					break;
				}
		}

		// Rewrite nice code
		$code = '';
		foreach ($override_file as $line)
		{
			if ($line == '#--remove--#')
				continue;

			$code .= $line;
		}
		file_put_contents($override_path, $code);

		return true;
	}
	
}

vekia · December 4, 2013

so where is

function hookProductFooter($params)
{
return $this->hookRightColumn($params);
}

?

i don't see it there

December 5, 2013

I added the code to blockviewer.php and not to module.php like it was instructed.

Hmm so where is the mistake now?

Thank you for your help!

Hook viewed products module on single product page?

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