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/srv/data/trash/vhost_www.arlenshop.fr_1556185825/htdocs/modules/sekeywords/sekeywords.php
 <?php
/*
* 2007-2013 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 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/afl-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/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

if (!defined('_PS_VERSION_'))
	exit;

class SEKeywords extends ModuleGraph
{
	private $html = '';
	private $_query = '';
	private $_query2 = '';

	public function __construct()
	{
		$this->name = 'sekeywords';
		$this->tab = 'analytics_stats';
		$this->version = 1.0;
		$this->author = 'PrestaShop';
		$this->need_instance = 0;

		parent::__construct();

		$this->_query = 'SELECT `keyword`, COUNT(TRIM(`keyword`)) as occurences
				FROM `'._DB_PREFIX_.'sekeyword`
				WHERE '.(Configuration::get('SEK_FILTER_KW') == '' ? '1' : '`keyword` REGEXP \''.pSQL(Configuration::get('SEK_FILTER_KW')).'\'')
					.Shop::addSqlRestriction().
					' AND `date_add` BETWEEN ';

		$this->_query2 = 'GROUP BY TRIM(`keyword`)
				HAVING occurences > '.(int)Configuration::get('SEK_MIN_OCCURENCES').'
				ORDER BY occurences DESC';

		$this->displayName = $this->l('Search engine keywords');
		$this->description = $this->l('Display which keywords have led visitors to your website.');
	}

	public function install()
	{
		if (!parent::install() || !$this->registerHook('top') || !$this->registerHook('AdminStatsModules'))
			return false;
		Configuration::updateValue('SEK_MIN_OCCURENCES', 1);
		Configuration::updateValue('SEK_FILTER_KW', '');
		return Db::getInstance()->execute('
		CREATE TABLE `'._DB_PREFIX_.'sekeyword` (
			id_sekeyword INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
			id_shop INTEGER UNSIGNED NOT NULL DEFAULT \'1\',
			id_shop_group INTEGER UNSIGNED NOT NULL DEFAULT \'1\',
			keyword VARCHAR(256) NOT NULL,
			date_add DATETIME NOT NULL,
			PRIMARY KEY(id_sekeyword)
		) ENGINE='._MYSQL_ENGINE_.' DEFAULT CHARSET=utf8');
	}

	public function uninstall()
	{
		if (!parent::uninstall())
			return false;
		return (Db::getInstance()->execute('DROP TABLE `'._DB_PREFIX_.'sekeyword`'));
	}

	public function hookTop($params)
	{
		if (!isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'], Tools::getHttpHost(false, false) == 0))
			return;

		if ($keywords = $this->getKeywords($_SERVER['HTTP_REFERER']))
			Db::getInstance()->execute('INSERT INTO `'._DB_PREFIX_.'sekeyword` (`keyword`, `date_add`, `id_shop`, `id_shop_group`)
										VALUES (\''.pSQL(Tools::strtolower(trim($keywords))).'\', NOW(), '.(int)$this->context->shop->id.', '.(int)$this->context->shop->id_shop_group.')');
	}

	public function hookAdminStatsModules()
	{
		if (Tools::isSubmit('submitSEK'))
		{
			Configuration::updateValue('SEK_FILTER_KW', trim(Tools::getValue('SEK_FILTER_KW')));
			Configuration::updateValue('SEK_MIN_OCCURENCES', (int)Tools::getValue('SEK_MIN_OCCURENCES'));
			Tools::redirectAdmin('index.php?tab=AdminStats&token='.Tools::getValue('token').'&module='.$this->name);
		}

		if (Tools::getValue('export'))
			$this->csvExport(array('type' => 'pie'));
		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->_query.ModuleGraph::getDateBetween().$this->_query2);
		$total = count($result);
		$this->html = '<div class="blocStats"><h2 class="icon-'.$this->name.'"><span></span>'.$this->displayName.'</h2>
		<p>'.($total == 1 ? sprintf($this->l('%d keyword matches your query.'), $total) : sprintf($this->l('%d keywords match your query.'), $total)).'</p>';
		
		$form = '<form action="'.Tools::htmlentitiesUTF8($_SERVER['REQUEST_URI']).'" method="post">
				'.$this->l('Filter by keyword').' <input type="text" name="SEK_FILTER_KW" value="'.Tools::htmlentitiesUTF8(Configuration::get('SEK_FILTER_KW')).'" />
				'.$this->l('And min occurrences').' <input type="text" name="SEK_MIN_OCCURENCES" value="'.(int)Configuration::get('SEK_MIN_OCCURENCES').'" />
				<input type="submit" class="button" name="submitSEK" value="'.$this->l('Apply   ').'" />
			</form>';
		
		if ($result && $total)
		{
			$table = '
			<div style="overflow-y: scroll; height: 600px;">
			<table class="table" border="0" cellspacing="0" cellspacing="0">
			<thead>
				<tr><th style="width:400px;">'.$this->l('Keywords').'</th>
				<th style="width:50px; text-align: right">'.$this->l('Occurrences').'</th></tr>
			</thead><tbody>';
			foreach ($result as $index => $row)
			{
				$keyword =& $row['keyword'];
				$occurences =& $row['occurences'];
				$table .= '<tr><td>'.$keyword.'</td><td style="text-align: right">'.$occurences.'</td></tr>';
			}
			$table .= '</tbody></table></div>';
			$this->html .= '<div>'.$this->engine(array('type' => 'pie')).'</div>
			<br/>
			<p><a href="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'&export=1&exportType=language"><img src="../img/admin/asterisk.gif" /> '.$this->l('CSV Export').'</a></p><br/>
			'.$form.'<br/>'.$table;
		}
		else
			$this->html .= '<p>'.$form.'<strong>'.$this->l('No keywords').'</strong></p>';

		$this->html .= '</div><br/>
		<div class="blocStats"><h2 class="icon-guide"><span></span>'.$this->l('Guide').'</h2>
			<h2>'.$this->l('Identify external search engine keywords').'</h2>
			<p>'.$this->l('One of the most common ways of finding a website through a search engine.').
			$this->l('Identifying the most popular keywords entered by your new visitors allows you to see the products you should put in front if you want to achieve SEO. ').'
			</p><br />
			<h3>'.$this->l('How does it work?').'</h2>
			<p>'.$this->l('When a visitor comes to your website, the server notes their previous location. This module parses the URL and finds the keywords in it.').
			sprintf($this->l('Currently, it manages the following search engines: %1$s and %2$s.'),
				'<b>Google, AOL, Yandex, Ask, NHL, Yahoo, Baidu, Lycos, Exalead, Live, Voila</b>',
				'<b>Altavista</b>'
			).$this->l('Soon, it will be possible to dynamically add new search engines and contribute to this module.').'</p><br />
		</div>';
		return $this->html;
	}

	public function getKeywords($url)
	{
		if (!Validate::isAbsoluteUrl($url))
			return false;

		$parsedUrl = parse_url($url);
		if (!isset($parsedUrl['query']) && isset($parsedUrl['fragment']))
			$parsedUrl['query'] = $parsedUrl['fragment'];

		if (!isset($parsedUrl['query']))
			return false;

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT `server`, `getvar` FROM `'._DB_PREFIX_.'search_engine`');
		foreach ($result as $index => $row)
		{
			$host =& $row['server'];
			$varname =& $row['getvar'];
			if (strstr($parsedUrl['host'], $host))
			{
				$kArray = array();
				preg_match('/[^a-zA-Z&]?'.$varname.'=.*\&'.'/U', $parsedUrl['query'], $kArray);

				if (!isset($kArray[0]) || empty($kArray[0]))
					preg_match('/[^a-zA-Z&]?'.$varname.'=.*$'.'/', $parsedUrl['query'], $kArray);

				if (!isset($kArray[0]) || empty($kArray[0]))
					return false;

				if ($kArray[0][0] == '&' && Tools::strlen($kArray[0]) == 1)
					return false;

				return urldecode(str_replace('+', ' ', ltrim(substr(rtrim($kArray[0], '&'), strlen($varname) + 1), '=')));
			}
		}
	}

	protected function getData($layers)
	{
		$this->_titles['main'] = $this->l('Top 10 keywords');
		$totalResult = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->_query.$this->getDate().$this->_query2);
		$total = 0;
		$total2 = 0;
		foreach ($totalResult as $totalRow)
			$total += $totalRow['occurences'];
		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->_query.$this->getDate().$this->_query2.' LIMIT 9');
		foreach ($result as $row)
		{
			$this->_legend[] = $row['keyword'];
			$this->_values[] = $row['occurences'];
			$total2 += $row['occurences'];
		}
		if ($total >= $total2)
		{
			$this->_legend[] = $this->l('Others');
			$this->_values[] = $total - $total2;
		}
	}
}