Helpers.php

<?php
/*
* 
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0).
* It is 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 info@appixia.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade this module to newer
* versions in the future. If you wish to customize the module for your
* needs please look at the /overrides module directory or refer to
* http://kb.appixia.com for more information.
*
*/

// this is include and not require because it can fail if no override class is found
include_once(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'overrides' . DIRECTORY_SEPARATOR . 'Helpers.php');

class CartAPI_Handlers_Helpers
{
	protected static $APPIXIA_COOKIE_NAME = 'appixia';
	
	public static function isAppixiaMobileEngine()
	{
		global $cookie;
		if (isset($cookie)) 
		{
			if ($cookie->{self::$APPIXIA_COOKIE_NAME} == 1) return true;
		}

		return false;
	}
	
	public static function setAppixiaMobileEngine()
	{
		global $cookie;
		if (isset($cookie)) 
		{
			if ($cookie->{self::$APPIXIA_COOKIE_NAME} != 1) $cookie->{self::$APPIXIA_COOKIE_NAME} = 1;
		}
	}
	
	public static function unsetAppixiaMobileEngine()
	{
		global $cookie;
		if (isset($cookie)) 
		{
			unset($cookie->{self::$APPIXIA_COOKIE_NAME});
		}
	}
	
	public static function setServerNotices()
	{
		// enable this if we want to see notices
	
		/*
		ini_set('display_errors', 1);
		ini_set('log_errors', 1);
		ini_set('error_log', dirname(__FILE__) . '/errorlog');
		error_reporting(E_ALL);
		*/
		
		ini_set('log_errors', 1);
		ini_set('error_log', dirname(__FILE__) . '/errorlog');
	}

	public static function getShopDomain()
	{
		// use built-in method if found
		if (method_exists('Tools', 'getShopDomain')) return Tools::getShopDomain(true);

		// discover the domain ourselves
		if (!($domain = Configuration::get('PS_SHOP_DOMAIN')))
			$domain = Tools::getHttpHost();
		return 'http://'.$domain;
	}
	
	// does end with a slash, last dir is appixiacartapi
	public static function getCartApiHomeUrl()
	{
		return CartAPI_Handlers_Helpers::getShopBaseUrl() . 'modules/appixiacartapi/';
	}
	
	// does end with a slash
	public static function getShopBaseUrl()
	{
		return CartAPI_Handlers_Helpers::getShopDomain() . __PS_BASE_URI__;
	}

	public static function isAbsoluteUrl($url)
	{
		$prefix = substr($url, 0, 5);
		if ($prefix == 'http:') return true;
		if ($prefix == 'https') return true;
		if ($prefix == 'conf:') return true;
		return false;
	}
	
	public static function removeHtmlTagsFromString($string)
	{
		$string = strip_tags($string);
		$string = str_replace("\xc2\xa0",' ', $string); // change &nbsp to regular spaces
		$string = html_entity_decode($string, ENT_QUOTES , 'UTF-8');
		return trim($string); 
	}
	
	// remove html tags from string or array
	public static function removeHtmlTags($from)
	{
		if (is_array($from))
		{
			$res = array();
			foreach ($from as $string) $res[] = CartAPI_Handlers_Helpers::removeHtmlTagsFromString($string);
			return $res;
		}
		else
		{
			return CartAPI_Handlers_Helpers::removeHtmlTagsFromString($from);
		}
	}
	
	public static function preInit(&$metadata = array())
	{
		Configuration::set('PS_CANONICAL_REDIRECT', 0);
		
		// language
		if (isset($metadata['X-LANGUAGE'])) $_GET['isolang'] = $metadata['X-LANGUAGE'];

		// currency
		if (isset($metadata['X-CURRENCY']))
		{
			$_POST['SubmitCurrency'] = 1;
			$_POST['id_currency'] = Currency::getIdByIsoCode($metadata['X-CURRENCY']);
		}
		
		// register a new translation smarty function
		global $smarty;
		if( function_exists('smartyRegisterFunction') ) smartyRegisterFunction($smarty, 'function', 'l2', 'smartyTranslate2');
		else $smarty->register_function('l2', 'smartyTranslate2');

		// call the override function if found
		if (method_exists('CartAPI_Handlers_Override_Helpers', 'preInit')) CartAPI_Handlers_Override_Helpers::preInit($metadata);
	}
	
	public static function getLocale()
	{
		global $cookie;
		
		$locale = array();
		
		// get the currency
		$currency = Currency::getCurrencyInstance($cookie->id_currency);
		if (is_object($currency) AND $currency->id) $locale['Currency'] = $currency->iso_code;
		
		return $locale;
	}
	
	public static function newHandlerInstance($encoder, $handler)
	{
		$handler_filename = $handler . '.php';
		$class_name = 'CartAPI_Handlers_'.$handler;

		// load the correct file
		if (!file_exists(dirname(__FILE__).'/overrides/'.$handler_filename)) 
		{
			// load the base
			require_once(dirname(__FILE__).'/'.$handler_filename);
		}
		else 
		{
			// load the override
			$class_name = 'CartAPI_Handlers_Override_'.$handler;
			require_once(dirname(__FILE__).'/overrides/'.$handler_filename);
		}

		// init the class
		if (!class_exists($class_name, false)) CartAPI_Helpers::dieOnError($encoder, 'UnsupportedOperation', 'Cannot create instance of '.$handler.' handler');
		return new $class_name();
	}

	public static function compatibilityMailTranslate($str, $id_lang)
	{
		if (method_exists('Mail','l')) return Mail::l($str, $id_lang);
		else return $str; // older prestashop version don't have Mail:l and don't translate using it
	}

}


// code taken from config/smarty.config.inc.php smartyTranslate()
function smartyTranslate2($params, &$smarty)
{
	/*
	 * Warning in Smarty-v2 : 2 lines have been added to the Smarty class.
	 * "public $currentTemplate = null;" into the class itself
	 * "$this->currentTemplate = Tools::substr(basename($resource_name), 0, -4);" into the "fetch" method
	 * Notice : before 1.4.2.5, this modification was in the display method
	 *
	 * In Smarty-v3 : No modifications, using the existing var $this->smarty->_current_file instead
	 */
	global $_LANG, $_MODULES, $cookie, $_MODULE;
	if (!isset($params['js'])) $params['js'] = 0;
	if (!isset($params['mod'])) $params['mod'] = false;
	
	$string = str_replace('\'', '\\\'', $params['s']);
	$key = '';
	if (Configuration::get('PS_FORCE_SMARTY_2')) /* Keep a backward compatibility for Smarty v2 */
		$key = $smarty->currentTemplate.'_'.md5($string);
	else
	{
		// CHANGE //////////////////////////////////
		$filename = $params['tpl'].'.tpl';
		// CHANGE /////////////////////////////////
		$key = Tools::substr(basename($filename), 0, -4).'_'.md5($string);
	}
	$lang_array = $_LANG;
	if ($params['mod'])
	{
		$iso = Language::getIsoById($cookie->id_lang);

		if (Tools::file_exists_cache(_PS_THEME_DIR_.'modules/'.$params['mod'].'/'.$iso.'.php'))
		{
			$translationsFile = _PS_THEME_DIR_.'modules/'.$params['mod'].'/'.$iso.'.php';
			$key = '<{'.$params['mod'].'}'._THEME_NAME_.'>'.$key;
		}
		else
		{
			$translationsFile = _PS_MODULE_DIR_.$params['mod'].'/'.$iso.'.php';
			$key = '<{'.$params['mod'].'}prestashop>'.$key;
		}
		
		if(!is_array($_MODULES))
			$_MODULES = array();
		if (@include_once($translationsFile))
			if (is_array($_MODULE))
				$_MODULES = array_merge($_MODULES, $_MODULE);
		$lang_array = $_MODULES;
	}
	
	if (is_array($lang_array) AND key_exists($key, $lang_array))
		$msg = $lang_array[$key];
	elseif (is_array($lang_array) AND key_exists(Tools::strtolower($key), $lang_array))
		$msg = $lang_array[Tools::strtolower($key)];
	else
		$msg = $params['s'];
	
	if ($msg != $params['s'])
		$msg = $params['js'] ? addslashes($msg) : stripslashes($msg);
	return $params['js'] ? $msg : Tools::htmlentitiesUTF8($msg);
}

?>