GX-Entwicklung

<?php

/* --------------------------------------------------------------

   Yoochoose GmbH

   http://www.yoochoose.com

   Copyright (c) 2011 Yoochoose GmbH

   Released under the GNU General Public License (Version 2)

   [http://www.gnu.org/licenses/gpl-2.0.html]

   -------------------------------------------------------------- */

define('YOOCHOOSE_VERSION', '1.0.0');

define('YOOCHOOSE_PHP_REQUIRED', '5.2.0');

define('YOOCHOOSE_HOMEPAGE_PERSONALIZED_STRATEGY',    'landing_page_personalized');

define('YOOCHOOSE_HOMEPAGE_TOPSELLERS_STRATEGY',      'landing_page_topsellers');

define('YOOCHOOSE_CATEGORY_TOPSELLERS_STRATEGY',      'category_topsellers');

define('YOOCHOOSE_PRODUCT_ALSO_PURCHASED_STRATEGY',   'also_purchased');

define('YOOCHOOSE_PRODUCT_ALSO_INTERESTING_STRATEGY', 'also_interesting');

define('YOOCHOOSE_SHOPPING_CART_STRATEGY',            'shopping_cart');

define('YOOCHOOSE_EVENT_SERVER_DEFAULT', 'https://event.yoochoose.net');

define('YOOCHOOSE_RECO_SERVER_DEFAULT', 'https://reco.yoochoose.net');

define('YOOCHOOSE_REG_SERVER_DEFAULT', 'https://config.yoochoose.net');

function yoochooseDefaultHeader($box_name, $lang_id = -1) {

	$result = array();

	$result['HOMEPAGE_PERSONALIZED']   = array(1 => "Recommendations for you",

		                                       2 => "Empfehlungen für Sie");

	$result['HOMEPAGE_TOPSELLERS']     = array(1 => "Bestsellers",

		                                       2 => "Bestsellers");

	$result['CATEGORY_TOPSELLERS']     = array(1 => "Bestsellers in {0}",

		                                       2 => "Bestsellers in {0}");

	$result['PRODUCT_ALSO_INTERESTING']= array(1 => "It could be also interesting for you",

		                                       2 => "Das könnte Sie auch interessieren");

	$result['SHOPPING_CART']           = array(1 => "It could be also interesting for you",

		                                       2 => "Das könnte Sie auch interessieren");

	$result_default = array(1 => "We recommend",

                            2 => "Wir empfehlen");

    $lang_id = $lang_id != -1 ? $lang_id : $_SESSION['languages_id'];

	if (array_key_exists($box_name, $result)) {

		if (array_key_exists($lang_id, $result[$box_name])) {

			return $result[$box_name][$lang_id];

		} else {

			return $result[$box_name][1];

		}

	} else {

		if (array_key_exists($lang_id, $result_default)) {

			return $result_default[$lang_id];

		} else {

			return $result_default[1];

		}

	}

}

function yoochooseUnwrapId($recomendedObjects) {

	$in = array();

	if ($recomendedObjects) {

		foreach ($recomendedObjects as $item) {

			$itemId = $item["PRODUCTS_ID"];

		    $in[] = $itemId;

		}

	}

	return $in;

}

/** Returns language object by gambio language numeric ID.

 *  Returns current language (from SESSION), if no ID specified.

 **/

function yoochooseLang($lang_id = -1) {

	global $languages;

	$lang_id = $lang_id != -1 ? $lang_id : $_SESSION['languages_id'];

	$default = null;

    foreach ($languages as $lang) {

    	$id = $lang['id'];

    	if ($id == $lang_id) {

    		return $lang;

    	}

    	if ($default = null || $default['id'] > $id) {

    		$default = $lang;

    	}

    }

    return $default;

}

function getYoochooseHeader($box_name, $lang_id = -1) {

	$header_key = getYoochooseHeaderConstantName($box_name);

	$id = $lang_id != -1 ? $lang_id : $_SESSION['languages_id'];

	$from_db = gm_get_content($header_key, $id);

	return $from_db ? $from_db : yoochooseDefaultHeader($box_name, $lang_id);

}

/** Returns an amount of items to show in Top Selling box. */

function getBoxTopSellingMaxDisplay() {

    $srvEvent;

    if (defined('YOOCHOOSE_BOX_TOP_SELLING_MAX_DISPLAY')) {

       $srvEvent = YOOCHOOSE_BOX_TOP_SELLING_MAX_DISPLAY;

    } else {

       $srvEvent = YOOCHOOSE_BOX_TOP_SELLING_MAX_DISPLAY_DEFAULT;

    }

    return trimSlash($srvEvent);

}

function getMaxDisplayConstantName($box_name) {

	return 'YOOCHOOSE_'.$box_name.'_MAX_DISPLAY';

}

function getYoochooseStategyConstantName($box_name) {

	return 'YOOCHOOSE_'.$box_name.'_STRATEGY';

}

function getYoochooseHeaderConstantName($box_name) {

	return 'YOOCHOOSE_'.$box_name.'_HEADER';

}

/** Returns an amount of items to show in Top Selling box. */

function getYoochooseStrategy($box_name) {

	return constant('YOOCHOOSE_'.$box_name.'_STRATEGY');

}

function getMaxDisplayDefaultValue($box_name) {

    if ($box_name == 'BOX_TOP_SELLING' || $box_name == 'BOX_ALSO_CLICKED') {

    	return 0;

    } else {

    	return 4;

    }

}

/** Returns an amount of items to show in Top Selling box. */

function getMaxDisplay($box_name) {

	$const = getMaxDisplayConstantName($box_name);

    $srvEvent;

    if (defined($const)) {

       $srvEvent = constant($const);

    } else {

        $srvEvent = getMaxDisplayDefaultValue($box_name);

    }

    return trimSlash($srvEvent);

}

// for backward compatibility

function getAlsoPurchasedStrategy() {

	return 'also_purchased';

}

function phpVersionAsInt($phpVersion) {

    $version = explode('.', $phpVersion);

    return $version[0] * 10000 + @$version[1] * 100 + @$version[2];

}

/** Loads URL as JSON object.

 *  Throws IOException or JSONException, if problems. */

function load_json_url_ex(

        $url,

        array $options = array()) {

    $loaded = load_url_ex($url, $options);

    $result = json_decode($loaded);

    if ($result == null) {

    	$errorMessage = "Unable to decode JSON decode the text [".trimLoaded($loaded)."].";

    	if (function_exists("json_last_error")) {

    		$errorMessage .= " Cause: ".JSONException::decodeJSONMessage(json_last_error());

    		throw new JSONException($errorMessage, json_last_error());

    	} else {

    		$errorMessage .= " Cause is unavaliable.";

    		throw new JSONException($errorMessage, 0);

    	}

    }

    return $result;

}

/** Trims and cuts first 20 symbols from the specified string.

 *  Adds trailing "...", if the trimmed string was longer.

 */

function trimLoaded($loaded) {

	$resultLength = 20;

	$trimmed = trim($loaded);

	$result = substr($trimmed, 0, $resultLength);

	return strlen($trimmed) > $resultLength ? $result.'...' : $result;

}

/**

 * Send a GET requst using cURL

 * Throws IOException, if something goes worng

 *

 * @param string $url to request

 * @param array $options for cURL

 */

function load_url_ex($url, array $options = array()) {

    if (!defined('YOOCHOOSE_ID') || defined (!'YOOCHOOSE_SECRET')){

		return;

	}

	$def_user = YOOCHOOSE_ID;

    $def_pw   = YOOCHOOSE_SECRET;

    $defaults = array(

        CURLOPT_URL => $url,

        CURLOPT_HEADER => 0,

        CURLOPT_RETURNTRANSFER => TRUE,

        CURLOPT_TIMEOUT => 5,

        CURLOPT_HTTPAUTH => CURLAUTH_BASIC,

        CURLOPT_USERPWD => "$def_user:$def_pw",

        CURLOPT_SSL_VERIFYPEER => FALSE,

        CURLOPT_FAILONERROR => TRUE

   		// CURLOPT_FOLLOWLOCATION - not allowed

   		// See http://slopjong.de/2012/03/31/curl-follow-locations-with-safe_mode-enabled-or-open_basedir-set

    );

    just_log_recommendation(E_NOTICE, "Requesting: [".$url."] as [".$def_user."].");

    $ch = curl_init();

    $options = $options + $defaults; // numeric arrays. Do not use merge_arrays!

    curl_setopt_array($ch, $options);

    if (!$result = curl_exec($ch)) {

        throwIO(curl_error($ch), curl_errno($ch));

    }

    curl_close($ch);

    return $result;

}

/**

 * Creates a string containing the category path to the current product.

 * It relies on the current status of $breadcrumb.

 *

 * The path is already URL-encoded.

 */

function getCurrentPath() {

	global $breadcrumb;

	global $product;

	if (! isset($breadcrumb)) {

		return null;

	}

	$prod = isset($product) && $product->isProduct() ? 1 : 0;

    $raw_path = $breadcrumb->_trail;

    if (count($raw_path)<2) return "";

    $result = '';

    for ($i=1 ; $i<=count($raw_path)-1-$prod ; $i++) {

        $result .= '/'.$raw_path[$i]['title'];

    }

    return urlencode($result);

}

/** Returns an URL to event server (without a trailing slash).

 *  Returns a property from the database or a default value. */

function getEventServerUrl() {

	$srvEvent;

	if (defined('YOOCHOOSE_EVENT_SERVER')) {

	   $srvEvent = YOOCHOOSE_EVENT_SERVER;

	} else {

	   $srvEvent = YOOCHOOSE_EVENT_SERVER_DEFAULT;

	}

	return trimSlash($srvEvent);

}

/** Returns an URL to reco server (without a trailing slash).

 *  Returns a property from the database or a default value. */

function getRecoServerUrl() {

    $srvEvent;

    if (defined('YOOCHOOSE_RECO_SERVER')) {

       $srvEvent = YOOCHOOSE_RECO_SERVER;

    } else {

       $srvEvent = YOOCHOOSE_RECO_SERVER_DEFAULT;

    }

    return trimSlash($srvEvent);

}

/** Returns an URL to reg server (without a trailing slash).

 *  Returns a property from the database or a default value. */

function getRegServerUrl() {

    $srvEvent;

    if (defined('YOOCHOOSE_REG_SERVER')) {

       $srvEvent = YOOCHOOSE_REG_SERVER;

    } else {

       $srvEvent = YOOCHOOSE_REG_SERVER_DEFAULT;

    }

    return trimSlash($srvEvent);

}

define('YOOCHOOSE_LOG_LEVEL_DEFAULT', E_ERROR + E_WARNING);

/** Returns a bit mask defines the messages to log.<br>

 *  There is thee types: E_ERROR, E_WARNING, E_NOTICE<br>

 *  By default returns: E_ERROR + E_WARNING<br>

 *  */

function getYooLogLevel() {

    $result;

    if (defined('YOOCHOOSE_LOG_LEVEL')) {

       $result = YOOCHOOSE_LOG_LEVEL;

    } else {

       $result = YOOCHOOSE_LOG_LEVEL_DEFAULT;

    }

    return $result;

}

/** Returns true, if the admin mode was activated. To activate the database

 *  set the property YOOCHOOSE_ADMIN_MODE to true.

 */

function isAdminMode() {

    if (defined('YOOCHOOSE_ADMIN_MODE')) {

        return YOOCHOOSE_ADMIN_MODE ? true : false;

    } else {

        return false;

    }

}

/** Trims all the traling slashes (both back and forward slashes).

 *  Useful, if you have a path and do not know, if if ends with a slash or not. */

function trimSlash($path) {

    return rtrim($path,'/\\');

}

function yooProductProperty($item, $property) {

	if (is_object($item)) {

		$item = $item->data;

	}

	if (is_array($item)) {

		foreach ($item as $key => $value) {

			if (strtolower($key) == strtolower($property)) {

				return $value;

			}

		}

	}

	return null;

}

/**

 * Creates the tracking URL based on given parameters

 */

function getTrackingURL($event_type, $item) {

	$item_id = yooProductProperty($item, 'products_id');

	$userid = getCurrentUserId();

    $result = getEventServerUrl().'/ebl/'.YOOCHOOSE_ID.'/'.$event_type.'/'.$userid .'/1/'.$item_id;

    $query_string = array();

    if ($event_type == 'click') {

	    $category_path = getCurrentPath();

	    if ($category_path) {

	        $query_string['categorypath'] = $category_path;

	    }

    }

    if ($event_type == 'buy') {

    	$p = yooProductProperty($item, 'products_price');

    	if ($p) {

    		$query_string['fullprice'] = $p;

    	}

    	$q = yooProductProperty($item, 'products_quantity');

    	if ($q) {

    		$query_string['quantity'] = $q ;

    	}

    }

    if ($event_type == 'follow' && array_key_exists('ycr', $_GET)) {

    	$query_string['scenario'] = $_GET['ycr'] ;

    }

    if (sizeof($query_string) > 0) {

    	$result = $result.'?'.http_build_query($query_string);

    }

    just_log_recommendation(E_NOTICE, "Created URL: ".$result);

    return $result;

}

/**

 * Creates the tracking URL for connecting anonymous and logged user

 */

function getTransferURL($anonymousid, $userid) {

    $result = getEventServerUrl().'/ebl/'.YOOCHOOSE_ID.'/transfer/'.$anonymousid.'/'.$userid.'/';

    just_log_recommendation(E_NOTICE, "Created URL: ".$result);

    return $result;

}

/**

 *  return the ID of the logged user, or empty string

 */

function getLoggedUserId() {

    if (array_key_exists('customer_id', $_SESSION)) {

		return $_SESSION['customer_id'];

    } else {

	    return "";

	}

}

/**

 *  return the ID of the anonymous user (as defined in cookie 'XTCsid' or 'PHPSESSID'), or empty string

 */

function getAnonymousUserId() {

    $id = $_COOKIE['XTCsid'];

   if (!empty($id)) {return $id;}

    return $_COOKIE['PHPSESSID'];

}

/**

 *  return the ID of the logged user, or the anonymous user as a fallback

 */

function getCurrentUserId() {

   $id = getLoggedUserId();

   if (!empty($id)) {return $id;}

   return getAnonymousUserId();

}

/** Logs an error using FileLog('error') class.

 *  Does nothing except that (so screen output, no mails).

 */

function just_log_error($message, Exception $e) {

    $coo_log = new FileLog('errors');

    $coo_log->write("================================================================================\n");

    $coo_log->write(date('Y-m-j H-i-s')."\n");

    $coo_log->write("ERROR: ".$message."\n");

    $coo_log->write("Backtrace:\n");

    $coo_log->write(yoo_logbacktrace(debug_backtrace())."\n");

    $coo_log->write("\n");

    if ($e) {

        $coo_log->write("Cause: " . $e->getMessage() . " (" . $e->getFile() . ":" . $e->getLine() . ")\n");

        $coo_log->write("Backtrace:\n");

        $coo_log->write(yoo_logbacktrace($e->getTrace())."\n");

        $coo_log->write("\n");

    }

}

/** Logs an recommendation event using FileLog('recommendations') class.

 *  Does nothing except that (so screen output, no mails).

 *

 *  @param $log_level

 *      E_ERROR, E_WARNING or E_NOTICE

 */

function just_log_recommendation($log_level, $message, Exception $e = null) {

	if (getYooLogLevel() & $log_level > 0) {

	    $coo_log = new FileLog('recommendations');

	    $coo_log->write(date('Y-m-j H-i-s')." LEVEL $log_level: ".$message."\n");

	    if ($e) {

		    $coo_log->write("Cause: " . $e->getMessage() . " (" . $e->getFile() . ":" . $e->getLine() . ")\n");

		    $coo_log->write("Backtrace:\n");

		    $coo_log->write(yoo_logbacktrace($e->getTrace())."\n");

		    $coo_log->write("\n");

	    }

	}

}

function yoo_logbacktrace($backtrace) {

	$run = 0;

	$backtracelines = "";

	foreach ($backtrace as $data) {

		if (empty($data['file'])) $data['file'] = 'unknown';

		if (empty($data['line'])) $data['line'] = 0;

		if(!empty($data['class'])) {

			$backtracelines .= '#'.$run.'  (#'.$data['class'].') '.$data['function'].' called at ['.$data['file'].':'.$data['line'].']';

		} else {

			$backtracelines .= '#'.$run.'  '.$data['function'].' called at ['.$data['file'].':'.$data['line'].']';

		}

		$backtracelines .= ($t_code_snippet != '') ? "\n" . $t_code_snippet : "\n";

		$run ++;

	}

	return $backtracelines;

}

    /** An I/O Exception. */

    class IOException extends Exception {

        public function __construct($message, $errorno = 0, Exception $previous = null) {

            parent::__construct($message, $errorno);

        }

    }

        /** An I/O Exception. */

    class JSONException2 extends Exception {

        public function __construct($message, $json_code, Exception $previous = null) {

            parent::__construct($message, $json_code);

        }

        public static function decodeJSONMessage($json_code) {

        	switch ($json_code) {

        		case JSON_ERROR_NONE:

        			return "No error has occurred.";

                case JSON_ERROR_DEPTH:

                	return "The maximum stack depth has been exceeded.";

                case JSON_ERROR_CTRL_CHAR:

                	return "Control character error, possibly incorrectly encoded.";

                case JSON_ERROR_STATE_MISMATCH:

                    return "Invalid or malformed JSON.";

                case JSON_ERROR_SYNTAX:

                	return "Syntax error.";

                case JSON_ERROR_UTF8:

                	return "Malformed UTF-8 characters, possibly incorrectly encoded.";

                default:

                	return "Unknown JSON code [$json_code]";

        	}

        }

    }

    /** Throws an IOException with the message specified. */

    function throwIO($message, $errorno = 0) {

        throw new IOException($message, $errorno);

    }

/** Renders recommendations */

class YoochooseProductView extends ContentView {

    protected $product;

	function YoochooseProductView() {

		$this->set_content_template('module/yoochoose_view_products.html');

		$this->set_flat_assigns(true);

	}

    public function setProduct($product)

    {

        $this->product = $product;

    }

	function get_html_custom($t_data_array, $box_name, $params = array()) {

		$lang_id = $_SESSION['languages_id'];

		$header_key = getYoochooseHeaderConstantName($box_name);

		$header = gm_get_content($header_key, $lang_id);

		$header = $header ? $header : yoochooseDefaultHeader($box_name);

		if (! is_array($params)) {

			$params = array($params);

		}

		foreach ($params as $i=>$v) {

			$header = str_replace("{".$i."}", $v, $header);

		}

		$t_html_output = '';

		if(count($t_data_array) > 0) {

			$this->set_content_data('HEADER', $header);

			$this->set_content_data('TRUNCATE_PRODUCTS_NAME', gm_get_conf('TRUNCATE_PRODUCTS_NAME'));

			$this->set_content_data('GM_THUMBNAIL_WIDTH', PRODUCT_IMAGE_THUMBNAIL_WIDTH + 10);

			$this->set_content_data('module_content', $this->generateYooChooseListing($t_data_array));

			$t_html_output = $this->build_html();

		}

		return $t_html_output;

	}

    protected function generateYooChooseListing($products)

    {

        $showRating = false;

        if(gm_get_conf('ENABLE_RATING') === 'true' && gm_get_conf('SHOW_RATING_IN_GRID_AND_LISTING') === 'true')

        {

            $showRating = true;

        }

        $fullscreenPage = $GLOBALS['coo_template_control']->findSettingValueByName('gx-product-info-full-width');

        $showManufacturerImages = gm_get_conf('SHOW_MANUFACTURER_IMAGE_LISTING');

        $showProductRibbons = gm_get_conf('SHOW_PRODUCT_RIBBONS');

        $swiperData = [

            'products'               => $products,

            'id'                     => 'specials',

            'hoverable'              => true,

            'template'               => 'snippets/product_listing/product_listing.html',

            'truncate'               => gm_get_conf('TRUNCATE_PRODUCTS_NAME'),

            'showRating'             => $showRating,

            'fullscreenPage'         => $fullscreenPage,

            'showManufacturerImages' => $showManufacturerImages,

            'showProductRibbons'     => $showProductRibbons,

        ];

        $swiperHtml = MainFactory::create_object('ProductsSwiperContentView', [$swiperData]);

        return $swiperHtml->get_html();

    }

}

function create_yoochoose_products_view_html($box_name, $products, $params = array()) {

	$view = new YoochooseProductView();

	return $view->get_html_custom($products, $box_name, $params);

}