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Name File: Tab.php

< back
<?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 license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class TabCore extends ObjectModel
{
	/** @var string Displayed name*/
	public $name;

	/** @var string Class and file name*/
	public $class_name;

	public $module;

	/** @var integer parent ID */
	public $id_parent;

	/** @var integer position */
	public $position;

	/** @var integer active */
	public $active = true;
	
	const TAB_MODULE_LIST_URL = 'api.prestashop.com/xml/tab_modules_list.xml';

	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'tab',
		'primary' => 'id_tab',
		'multilang' => true,
		'fields' => array(
			'id_parent' => 	array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'position' => 	array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
			'module' => 	array('type' => self::TYPE_STRING, 'validate' => 'isTabName', 'size' => 64),
			'class_name' => array('type' => self::TYPE_STRING, 'required' => true, 'size' => 64),
			'active' => 	array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),

			// Lang fields
			'name' => 		array('type' => self::TYPE_STRING, 'lang' => true, 'required' => true, 'validate' => 'isGenericName', 'size' => 32),
		),
	);

	protected static $_getIdFromClassName = null;

	/**
	 * additionnal treatments for Tab when creating new one :
	 * - generate a new position
	 * - add access for admin profile
	 *
	 * @param boolean $autodate
	 * @param boolean $null_values
	 * @return int id_tab
	 */
	public function add($autodate = true, $null_values = false)
	{
		// @retrocompatibility with old menu (before 1.5.0.9)
		$retro = array(
			'AdminPayment' => 'AdminParentModules',
			'AdminOrders' => 'AdminParentOrders',
			'AdminCustomers' => 'AdminParentCustomer',
			'AdminShipping' => 'AdminParentShipping',
			'AdminPreferences' => 'AdminParentPreferences',
			'AdminStats' => 'AdminParentStats',
			'AdminEmployees' => 'AdminAdmin',
		);
		$class_name = Tab::getClassNameById($this->id_parent);
		if (isset($retro[$class_name]))
			$this->id_parent = Tab::getIdFromClassName($retro[$class_name]);
		self::$_cache_tabs = array();

		// Set good position for new tab
		$this->position = Tab::getNewLastPosition($this->id_parent);

		// Add tab
		if (parent::add($autodate, $null_values))
		{
			// refresh cache when adding new tab
			self::$_getIdFromClassName[strtolower($this->class_name)] = $this->id;
			return Tab::initAccess($this->id);
		}
		return false;
	}

	/** When creating a new tab $id_tab, this add default rights to the table access
	 *
	 * @todo this should not be public static but protected
	 * @param int $id_tab
	 * @param Context $context
	 * @return boolean true if succeed
	 */
	public static function initAccess($id_tab, Context $context = null)
	{
		if (!$context)
			$context = Context::getContext();
	 	if (!$context->employee || !$context->employee->id_profile)
	 		return false;

	 	/* Profile selection */
	 	$profiles = Db::getInstance()->executeS('SELECT `id_profile` FROM '._DB_PREFIX_.'profile WHERE `id_profile` != 1');
	 	if (!$profiles || empty($profiles))
	 		return true;

	 	/* Query definition */
	 	$query = 'REPLACE INTO `'._DB_PREFIX_.'access` (`id_profile`, `id_tab`, `view`, `add`, `edit`, `delete`) VALUES ';
		$query .= '(1, '.(int)$id_tab.', 1, 1, 1, 1),';

	 	foreach ($profiles as $profile)
	 	{
	 	 	$rights = $profile['id_profile'] == $context->employee->id_profile ? 1 : 0;
			$query .= '('.(int)$profile['id_profile'].', '.(int)$id_tab.', '.(int)$rights.', '.(int)$rights.', '.(int)$rights.', '.(int)$rights.'),';
	 	}
		$query = trim($query, ', ');
	 	return Db::getInstance()->execute($query);
	}

	public function delete()
	{
	 	if (Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'access WHERE `id_tab` = '.(int)$this->id) && parent::delete())
			return $this->cleanPositions($this->id_parent);
		return false;
	}

	/**
	 * Get tab id
	 *
	 * @return integer tab id
	 */
	public static function getCurrentTabId()
	{
		$id_tab = Tab::getIdFromClassName(Tools::getValue('controller'));
		// retro-compatibility 1.4/1.5 
		if (empty ($id_tab))
			$id_tab = Tab::getIdFromClassName(Tools::getValue('tab'));
		return $id_tab;
	}

	/**
	 * Get tab parent id
	 *
	 * @return integer tab parent id
	 */
	public static function getCurrentParentId()
	{
	 	if ($result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
	 		SELECT `id_parent`
	 		FROM `'._DB_PREFIX_.'tab`
	 		WHERE LOWER(class_name) = \''.pSQL(Tools::strtolower(Tools::getValue('controller'))).'\''))
		 	return $result['id_parent'];
 		return -1;
	}

	/**
	 * Get tab
	 *
	 * @return array tab
	 */
	public static function getTab($id_lang, $id_tab)
	{
		/* Tabs selection */
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT *
			FROM `'._DB_PREFIX_.'tab` t
			LEFT JOIN `'._DB_PREFIX_.'tab_lang` tl
				ON (t.`id_tab` = tl.`id_tab` AND tl.`id_lang` = '.(int)$id_lang.')
			WHERE t.`id_tab` = '.(int)$id_tab
		);
	}

	/**
	 * Return the list of tab used by a module
	 *
	 * @static
	 * @return array
	 */
	public static function getModuleTabList()
	{
		$list = array();

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
			SELECT t.`class_name`, t.`module`
			FROM `'._DB_PREFIX_.'tab` t
			WHERE t.`module` IS NOT NULL AND t.`module` != ""');

		foreach ($result as $detail)
			$list[strtolower($detail['class_name'])] = $detail;
		return $list;
	}

	/**
	 * Get tabs
	 *
	 * @return array tabs
	 */
	protected static $_cache_tabs = array();
	public static function getTabs($id_lang, $id_parent = null)
	{
		if (!isset(self::$_cache_tabs[$id_lang]))
		{
			self::$_cache_tabs[$id_lang] = array();
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
				SELECT *
				FROM `'._DB_PREFIX_.'tab` t
				LEFT JOIN `'._DB_PREFIX_.'tab_lang` tl
					ON (t.`id_tab` = tl.`id_tab` AND tl.`id_lang` = '.(int)$id_lang.')
				ORDER BY t.`position` ASC
			');
			foreach ($result as $row)
			{
				if (!isset(self::$_cache_tabs[$id_lang][$row['id_parent']]))
					self::$_cache_tabs[$id_lang][$row['id_parent']] = array();
				self::$_cache_tabs[$id_lang][$row['id_parent']][] = $row;
			}
		}
		if ($id_parent === null)
		{
			$array_all = array();
			foreach (self::$_cache_tabs[$id_lang] as $array_parent)
				$array_all = array_merge($array_all, $array_parent);
			return $array_all;
		}
		return (isset(self::$_cache_tabs[$id_lang][$id_parent]) ? self::$_cache_tabs[$id_lang][$id_parent] : array());
	}

	/**
	 * Get tab id from name
	 *
	 * @param string class_name
	 * @return int id_tab
	 */
	public static function getIdFromClassName($class_name)
	{
		$class_name = strtolower($class_name);
		if (self::$_getIdFromClassName === null)
		{
			self::$_getIdFromClassName = array();
			$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT id_tab, class_name FROM `'._DB_PREFIX_.'tab`');
			foreach ($result as $row)
				self::$_getIdFromClassName[strtolower($row['class_name'])] = $row['id_tab'];
		}
		return (isset(self::$_getIdFromClassName[$class_name]) ? (int)self::$_getIdFromClassName[$class_name] : false);
	}

	/**
	 * Get collection from module name
	 * @static
	 * @param $module string Module name
	 * @param null $id_lang integer Language ID
	 * @return array|Collection Collection of tabs (or empty array)
	 */
	public static function getCollectionFromModule($module, $id_lang = null)
	{
		if (is_null($id_lang))
			$id_lang = Context::getContext()->language->id;

		if (!Validate::isModuleName($module))
			return array();

		$tabs = new Collection('Tab', (int)$id_lang);
		$tabs->where('module', '=', $module);
		return $tabs;
	}

	/**
	 * Enabling tabs for module
	 * @static
	 * @param $module string Module Name
	 * @return bool Status
	 */
	public static function enablingForModule($module)
	{
		$tabs = Tab::getCollectionFromModule($module);
		if (!empty($tabs))
		{
			foreach ($tabs as $tab)
			{
				$tab->active = 1;
				$tab->save();
			}
			return true;
		}
		return false;
	}

	/**
	 * Disabling tabs for module
	 * @static
	 * @param $module string Module name
	 * @return bool Status
	 */
	public static function disablingForModule($module)
	{
		$tabs = Tab::getCollectionFromModule($module);
		if (!empty($tabs))
		{
			foreach ($tabs as $tab)
			{
				$tab->active = 0;
				$tab->save();
			}
			return true;
		}
		return false;
	}

	/**
	 * Get Instance from tab class name
	 *
	 * @param $class_name string Name of tab class
	 * @return Tab Tab object (empty if bad id or class name)
	 */
	public static function getInstanceFromClassName($class_name)
	{
		$id_tab = (int)Tab::getIdFromClassName($class_name);
		return new Tab($id_tab);
	}

	public static function getNbTabs($id_parent = null)
	{
		return (int)Db::getInstance()->getValue('
			SELECT COUNT(*)
			FROM `'._DB_PREFIX_.'tab` t
			'.(!is_null($id_parent) ? 'WHERE t.`id_parent` = '.(int)$id_parent : '')
		);
	}

	/**
	 * return an available position in subtab for parent $id_parent
	 *
	 * @param mixed $id_parent
	 * @return int
	 */
	public static function getNewLastPosition($id_parent)
	{
		return (Db::getInstance()->getValue('
			SELECT IFNULL(MAX(position),0)+1
			FROM `'._DB_PREFIX_.'tab`
			WHERE `id_parent` = '.(int)$id_parent
		));
	}

	public function move($direction)
	{
		$nb_tabs = Tab::getNbTabs($this->id_parent);
		if ($direction != 'l' && $direction != 'r')
			return false;
		if ($nb_tabs <= 1)
			return false;
		if ($direction == 'l' && $this->position <= 1)
			return false;
		if ($direction == 'r' && $this->position >= $nb_tabs)
			return false;

		$new_position = ($direction == 'l') ? $this->position - 1 : $this->position + 1;
		Db::getInstance()->execute('
			UPDATE `'._DB_PREFIX_.'tab` t
			SET position = '.(int)$this->position.'
			WHERE id_parent = '.(int)$this->id_parent.'
				AND position = '.(int)$new_position
		);
		$this->position = $new_position;
		return $this->update();
	}

	public function cleanPositions($id_parent)
	{
		$result = Db::getInstance()->executeS('
			SELECT `id_tab`
			FROM `'._DB_PREFIX_.'tab`
			WHERE `id_parent` = '.(int)$id_parent.'
			ORDER BY `position`
		');
		$sizeof = count($result);
		for ($i = 0; $i < $sizeof; ++$i)
			Db::getInstance()->execute('
				UPDATE `'._DB_PREFIX_.'tab`
				SET `position` = '.($i + 1).'
				WHERE `id_tab` = '.(int)$result[$i]['id_tab']
			);
		return true;
	}

	public function updatePosition($way, $position)
	{
		if (!$res = Db::getInstance()->executeS('
			SELECT t.`id_tab`, t.`position`, t.`id_parent`
			FROM `'._DB_PREFIX_.'tab` t
			WHERE t.`id_parent` = '.(int)$this->id_parent.'
			ORDER BY t.`position` ASC'
		))
			return false;

		foreach ($res as $tab)
			if ((int)$tab['id_tab'] == (int)$this->id)
				$moved_tab = $tab;

		if (!isset($moved_tab) || !isset($position))
			return false;
		// < and > statements rather than BETWEEN operator
		// since BETWEEN is treated differently according to databases
		$result = (Db::getInstance()->execute('
			UPDATE `'._DB_PREFIX_.'tab`
			SET `position`= `position` '.($way ? '- 1' : '+ 1').'
			WHERE `position`
			'.($way
				? '> '.(int)$moved_tab['position'].' AND `position` <= '.(int)$position
				: '< '.(int)$moved_tab['position'].' AND `position` >= '.(int)$position).'
			AND `id_parent`='.(int)$moved_tab['id_parent'])
		&& Db::getInstance()->execute('
			UPDATE `'._DB_PREFIX_.'tab`
			SET `position` = '.(int)$position.'
			WHERE `id_parent` = '.(int)$moved_tab['id_parent'].'
			AND `id_tab`='.(int)$moved_tab['id_tab']));
		return $result;
	}

	public static function checkTabRights($id_tab)
	{
		static $tabAccesses = null;

		if (Context::getContext()->employee->id_profile == _PS_ADMIN_PROFILE_)
			return true;

		if ($tabAccesses === null)
			$tabAccesses = Profile::getProfileAccesses(Context::getContext()->employee->id_profile);

		if (isset($tabAccesses[(int)$id_tab]['view']))
			return ($tabAccesses[(int)$id_tab]['view'] === '1');
		return false;
	}

	public static function recursiveTab($id_tab, $tabs)
	{
		$admin_tab = Tab::getTab((int)Context::getContext()->language->id, $id_tab);
		$tabs[] = $admin_tab;
		if ($admin_tab['id_parent'] > 0)
			$tabs = Tab::recursiveTab($admin_tab['id_parent'], $tabs);
		return $tabs;
	}

	/**
	 * Overrides update to set position to last when changing parent tab
	 *
	 * @see ObjectModel::update
	 * @param bool $null_values
	 * @return bool
	 */
	public function update($null_values = false)
	{
		$current_tab = new Tab($this->id);
		if ($current_tab->id_parent != $this->id_parent)
			$this->position = Tab::getNewLastPosition($this->id_parent);

		self::$_cache_tabs = array();
		return parent::update($null_values);
	}

	public static function getTabByIdProfile($id_parent, $id_profile)
	{
		return Db::getInstance()->executeS('
			SELECT t.`id_tab`, t.`id_parent`, tl.`name`, a.`id_profile`
			FROM `'._DB_PREFIX_.'tab` t
			LEFT JOIN `'._DB_PREFIX_.'access` a
				ON (a.`id_tab` = t.`id_tab`)
			LEFT JOIN `'._DB_PREFIX_.'tab_lang` tl
				ON (t.`id_tab` = tl.`id_tab` AND tl.`id_lang` = '.(int)Context::getContext()->language->id.')
			WHERE a.`id_profile` = '.(int)$id_profile.'
			AND t.`id_parent` = '.(int)$id_parent.'
			AND a.`view` = 1
			AND a.`edit` = 1
			AND a.`delete` = 1
			AND a.`add` = 1
			AND t.`id_parent` != 0 AND t.`id_parent` != -1
			ORDER BY t.`id_parent` ASC
		');
	}

	/**
	 * @since 1.5.0
	 */
	public static function getClassNameById($id_tab)
	{
		return Db::getInstance()->getValue('SELECT class_name FROM '._DB_PREFIX_.'tab WHERE id_tab = '.(int)$id_tab);
	}
	
	public static function getTabModulesList($id_tab)
	{
		$modules_list = array('default_list' => array(), 'slider_list' => array());
		$xml_tab_modules_list = false;
		$db_tab_module_list = Db::getInstance()->executeS('
			SELECT module
			FROM '._DB_PREFIX_.'tab_module_preference
			WHERE `id_tab` = '.(int)$id_tab.'
			AND `id_employee` = '.(int)Context::getContext()->employee->id
			);

		if (file_exists(_PS_ROOT_DIR_.Module::CACHE_FILE_TAB_MODULES_LIST))
			$xml_tab_modules_list = @simplexml_load_file(_PS_ROOT_DIR_.Module::CACHE_FILE_TAB_MODULES_LIST);
		
		$class_name = null;
		$display_type = 'default_list';
		if ($xml_tab_modules_list)
			foreach($xml_tab_modules_list->tab as $tab)
			{
				foreach($tab->attributes() as $key => $value)
					if ($key == 'class_name')
						$class_name = (string)$value;

				if (Tab::getIdFromClassName((string)$class_name) == $id_tab)
				{
					foreach($tab->attributes() as $key => $value)
						if ($key == 'display_type')
							$display_type = (string)$value;
							
					foreach ($tab->children() as $module)
						foreach ($module->attributes() as $k => $v)
							if ($k == 'name')
								$modules_list[$display_type][] = (string)$v;
				}
			}
		
		//merge tab modules preferences from db with xml
		if (is_array($db_tab_module_list))		
			foreach($db_tab_module_list as $m)
				if (!in_array($m, $modules_list))
					$modules_list['slider_list'][] = $m['module'];

		return $modules_list;	
	}
}