prestashop/modules/statssearch/statssearch.php

<?php
/**
 * 2007-2020 PrestaShop SA and Contributors
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License 3.0 (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:
 * https://opensource.org/licenses/AFL-3.0
 * 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 https://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2020 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */
if (!defined('_PS_VERSION_')) {
    exit;
}

class statssearch extends ModuleGraph
{
    private $html = '';
    private $query = '';
    private $query_group_by = '';

    public function __construct()
    {
        $this->name = 'statssearch';
        $this->tab = 'administration';
        $this->version = '2.1.0';
        $this->author = 'PrestaShop';
        $this->need_instance = 0;

        parent::__construct();

        $this->query = 'SELECT `keywords`, COUNT(TRIM(`keywords`)) as occurences, MAX(results) as total
				FROM `' . _DB_PREFIX_ . 'statssearch`
				WHERE 1
					' . Shop::addSqlRestriction() . '
					AND `date_add` BETWEEN ';

        $this->query_group_by = 'GROUP BY `keywords`
				HAVING occurences > 1
				ORDER BY occurences DESC';

        $this->displayName = $this->trans('Shop search', [], 'Modules.Statssearch.Admin');
        $this->description = $this->trans('Enrich your stats, add a tab showing what keywords have been searched by your visitors.', [], 'Modules.Statssearch.Admin');
        $this->ps_versions_compliancy = ['min' => '1.7.1.0', 'max' => _PS_VERSION_];
    }

    public function install()
    {
        if (!parent::install() || !$this->registerHook('actionSearch') || !$this->registerHook('displayAdminStatsModules')) {
            return false;
        }

        return Db::getInstance()->execute('
		CREATE TABLE `' . _DB_PREFIX_ . 'statssearch` (
			id_statssearch INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
			id_shop INTEGER UNSIGNED NOT NULL DEFAULT \'1\',
		  	id_shop_group INTEGER UNSIGNED NOT NULL DEFAULT \'1\',
			keywords VARCHAR(255) NOT NULL,
			results INT(6) NOT NULL DEFAULT 0,
			date_add DATETIME NOT NULL,
			PRIMARY KEY(id_statssearch)
		) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8');
    }

    public function uninstall()
    {
        if (!parent::uninstall()) {
            return false;
        }

        return Db::getInstance()->execute('DROP TABLE `' . _DB_PREFIX_ . 'statssearch`');
    }

    /**
     * Insert keywords in statssearch table when a search is launched on FO
     */
    public function hookActionSearch($params)
    {
        $sql = 'INSERT INTO `' . _DB_PREFIX_ . 'statssearch` (`id_shop`, `id_shop_group`, `keywords`, `results`, `date_add`)
				VALUES (' . (int) $this->context->shop->id . ', ' . (int) $this->context->shop->id_shop_group . ', \'' . pSQL($params['expr']) . '\', ' . (int) $params['total'] . ', NOW())';
        Db::getInstance()->execute($sql);
    }

    public function hookDisplayAdminStatsModules()
    {
        if (Tools::getValue('export')) {
            $this->csvExport(['type' => 'pie']);
        }

        $result = Db::getInstance((bool) _PS_USE_SQL_SLAVE_)->executeS($this->query . ModuleGraph::getDateBetween() . $this->query_group_by);
        $this->html = '
		<div class="panel-heading">
			' . $this->displayName . '
		</div>';
        $table = '
		<table class="table">
			<thead>
				<tr>
					<th><span class="title_box active">' . $this->trans('Keywords', [], 'Modules.Statssearch.Admin') . '</span></th>
					<th><span class="title_box active">' . $this->trans('Occurrences', [], 'Modules.Statssearch.Admin') . '</span></th>
					<th><span class="title_box active">' . $this->trans('Results', [], 'Modules.Statssearch.Admin') . '</span></th>
				</tr>
			</thead>
			<tbody>';

        foreach ($result as $row) {
            if (Tools::strlen($row['keywords']) >= Configuration::get('PS_SEARCH_MINWORDLEN')) {
                $table .= '<tr>
					<td>' . $row['keywords'] . '</td>
					<td>' . $row['occurences'] . '</td>
					<td>' . $row['total'] . '</td>
				</tr>';
            }
        }
        $table .= '
			</tbody>
		</table>';

        if (count($result)) {
            $this->html .= '<div>' . $this->engine(['type' => 'pie']) . '</div>
							<a class="btn btn-default" href="' . Tools::safeOutput($_SERVER['REQUEST_URI']) . '&export=1">
								<i class="icon-cloud-upload"></i> ' . $this->trans('CSV Export', [], 'Modules.Statssearch.Admin') . '
							</a>' . $table;
        } else {
            $this->html .= '<p>' . $this->trans('Cannot find any keywords that have been searched for more than once.', [], 'Modules.Statssearch.Admin') . '</p>';
        }

        return $this->html;
    }

    protected function getData($layers)
    {
        $this->_titles['main'] = $this->trans('Top 10 keywords', [], 'Modules.Statssearch.Admin');
        $total_result = Db::getInstance((bool) _PS_USE_SQL_SLAVE_)->executeS($this->query . $this->getDate() . $this->query_group_by);
        $total = 0;
        $total2 = 0;
        foreach ($total_result as $total_row) {
            $total += $total_row['occurences'];
        }
        $result = Db::getInstance((bool) _PS_USE_SQL_SLAVE_)->executeS($this->query . $this->getDate() . $this->query_group_by . ' LIMIT 9');
        foreach ($result as $row) {
            if (!$row['occurences']) {
                continue;
            }
            $this->_legend[] = $row['keywords'];
            $this->_values[] = $row['occurences'];
            $total2 += $row['occurences'];
        }
        if ($total > $total2) {
            $this->_legend[] = $this->trans('Others', [], 'Modules.Statssearch.Admin');
            $this->_values[] = $total - $total2;
        }
    }
}