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Code Editor : ps_facetedsearch.php

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * 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.md.
 * 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.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
 */
if (!defined('_PS_VERSION_')) {
    exit;
}

$autoloadPath = __DIR__ . '/vendor/autoload.php';
if (file_exists($autoloadPath)) {
    require_once $autoloadPath;
}

use PrestaShop\Module\FacetedSearch\Filters\Converter;
use PrestaShop\Module\FacetedSearch\HookDispatcher;
use PrestaShop\PrestaShop\Core\Module\WidgetInterface;

class Ps_Facetedsearch extends Module implements WidgetInterface
{
    /**
     * @var string Name of the module running on PS 1.6.x. Used for data migration.
     */
    const PS_16_EQUIVALENT_MODULE = 'blocklayered';

/**
     * Lock indexation if too many products
     *
     * @var int
     */
    const LOCK_TOO_MANY_PRODUCTS = 5000;

/**
     * Lock template filter creation if too many products
     *
     * @var int
     */
    const LOCK_TEMPLATE_CREATION = 20000;

/**
     * US iso code, used to prevent taxes usage while computing prices
     *
     * @var array
     */
    const ISO_CODE_TAX_FREE = [
        'US',
    ];

/**
     * Number of digits for MySQL DECIMAL
     *
     * @var int
     */
    const DECIMAL_DIGITS = 5;

/**
     * @var bool
     */
    private $ajax;

/**
     * @var int
     */
    private $psLayeredFullTree;

/**
     * @var Db
     */
    private $database;

/**
     * @var HookDispatcher
     */
    private $hookDispatcher;

public function __construct()
    {
        $this->name = 'ps_facetedsearch';
        $this->tab = 'front_office_features';
        $this->version = '3.7.1';
        $this->author = 'PrestaShop';
        $this->need_instance = 0;
        $this->bootstrap = true;
        $this->ajax = (bool) Tools::getValue('ajax');

parent::__construct();

$this->displayName = $this->trans('Faceted search', [], 'Modules.Facetedsearch.Admin');
        $this->description = $this->trans('Filter your catalog to help visitors picture the category tree and browse your store easily.', [], 'Modules.Facetedsearch.Admin');
        $this->psLayeredFullTree = (int) Configuration::get('PS_LAYERED_FULL_TREE');
        $this->ps_versions_compliancy = ['min' => '1.7.1.0', 'max' => _PS_VERSION_];

$this->hookDispatcher = new HookDispatcher($this);
    }

/**
     * Check if method is an ajax request.
     * This check is an old behavior and only check for _GET value.
     *
     * @return bool
     */
    public function isAjax()
    {
        return (bool) $this->ajax;
    }

/**
     * Return the current database instance
     *
     * @return Db
     */
    public function getDatabase()
    {
        if ($this->database === null) {
            $this->database = Db::getInstance();
        }

return $this->database;
    }

/**
     * Return current context
     *
     * @return Context
     */
    public function getContext()
    {
        return $this->context;
    }

protected function getDefaultFilters()
    {
        return [
            'layered_selection_subcategories' => [
                'label' => 'Sub-categories filter',
            ],
            'layered_selection_stock' => [
                'label' => 'Product stock filter',
            ],
            'layered_selection_condition' => [
                'label' => 'Product condition filter',
            ],
            'layered_selection_manufacturer' => [
                'label' => 'Product brand filter',
            ],
            'layered_selection_weight_slider' => [
                'label' => 'Product weight filter (slider)',
                'slider' => true,
            ],
            'layered_selection_price_slider' => [
                'label' => 'Product price filter (slider)',
                'slider' => true,
            ],
        ];
    }

public function install()
    {
        $installed = parent::install()
                   && $this->registerHook($this->getHookDispatcher()->getAvailableHooks());

// Installation failed (or hook registration) => uninstall the module
        if (!$installed) {
            $this->uninstall();

return false;
        }

if ($this->uninstallPrestaShop16Module()) {
            $this->rebuildLayeredStructure();
            $this->buildLayeredCategories();

$this->rebuildPriceIndexTable();

$this->getDatabase()->execute('ALTER TABLE ' . _DB_PREFIX_ . 'layered_filter CHANGE `filters` `filters` LONGTEXT NULL');
            $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_friendly_url');
        } else {
            Configuration::updateValue('PS_LAYERED_CACHE_ENABLED', 1);
            Configuration::updateValue('PS_LAYERED_SHOW_QTIES', 1);
            Configuration::updateValue('PS_LAYERED_FULL_TREE', 1);
            Configuration::updateValue('PS_LAYERED_FILTER_PRICE_USETAX', 1);
            Configuration::updateValue('PS_LAYERED_FILTER_CATEGORY_DEPTH', 1);
            Configuration::updateValue('PS_ATTRIBUTE_ANCHOR_SEPARATOR', '-');
            Configuration::updateValue('PS_LAYERED_FILTER_PRICE_ROUNDING', 1);
            Configuration::updateValue('PS_LAYERED_FILTER_SHOW_OUT_OF_STOCK_LAST', 0);
            Configuration::updateValue('PS_LAYERED_FILTER_BY_DEFAULT_CATEGORY', 0);

$this->psLayeredFullTree = 1;

$this->rebuildLayeredStructure();
            $this->buildLayeredCategories();

$productsCount = $this->getDatabase()->getValue('SELECT COUNT(*) FROM `' . _DB_PREFIX_ . 'product`');

if ($productsCount < static::LOCK_TEMPLATE_CREATION) {
                $this->rebuildLayeredCache();
            }

$this->rebuildPriceIndexTable();
            $this->installIndexableAttributeTable();
            $this->installProductAttributeTable();

if ($productsCount < static::LOCK_TOO_MANY_PRODUCTS) {
                $this->fullPricesIndexProcess();
                $this->indexAttributes();
            }
        }

return true;
    }

public function uninstall()
    {
        /* Delete all configurations */
        Configuration::deleteByName('PS_LAYERED_CACHE_ENABLED');
        Configuration::deleteByName('PS_LAYERED_SHOW_QTIES');
        Configuration::deleteByName('PS_LAYERED_FULL_TREE');
        Configuration::deleteByName('PS_LAYERED_INDEXED');
        Configuration::deleteByName('PS_LAYERED_FILTER_PRICE_USETAX');
        Configuration::deleteByName('PS_LAYERED_FILTER_CATEGORY_DEPTH');
        Configuration::deleteByName('PS_LAYERED_FILTER_PRICE_ROUNDING');
        Configuration::deleteByName('PS_LAYERED_FILTER_SHOW_OUT_OF_STOCK_LAST');
        Configuration::deleteByName('PS_LAYERED_FILTER_BY_DEFAULT_CATEGORY');

$this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_category');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_filter');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_filter_block');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_filter_shop');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_attribute_group');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_attribute_group_lang_value');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_attribute_lang_value');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_feature');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_feature_lang_value');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_indexable_feature_value_lang_value');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_price_index');
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_product_attribute');

return parent::uninstall();
    }

/**
     * Migrate data from 1.6 equivalent module (if applicable), then uninstall
     */
    private function uninstallPrestaShop16Module()
    {
        if (!Module::isInstalled(self::PS_16_EQUIVALENT_MODULE)) {
            return false;
        }
        /** @var Module|bool $oldModule */
        $oldModule = Module::getInstanceByName(self::PS_16_EQUIVALENT_MODULE);
        if ($oldModule) {
            // This closure calls the parent class to prevent data to be erased
            // It allows the new module to be configured without migration
            $parentUninstallClosure = function () {
                return parent::uninstall();
            };
            $parentUninstallClosure = $parentUninstallClosure->bindTo($oldModule, get_class($oldModule));
            $parentUninstallClosure();
        }

return true;
    }

/**
     * @return HookDispatcher
     */
    public function getHookDispatcher()
    {
        return $this->hookDispatcher;
    }

/*
     * Generate data product attributes
     *
     * @param int $idProduct
     *
     * @return boolean
     */
    public function indexAttributes($idProduct = null)
    {
        if (null === $idProduct) {
            $this->getDatabase()->execute('TRUNCATE ' . _DB_PREFIX_ . 'layered_product_attribute');
        } else {
            $this->getDatabase()->execute(
                'DELETE FROM ' . _DB_PREFIX_ . 'layered_product_attribute
                WHERE id_product = ' . (int) $idProduct
            );
        }

return $this->getDatabase()->execute(
            'INSERT INTO `' . _DB_PREFIX_ . 'layered_product_attribute` (`id_attribute`, `id_product`, `id_attribute_group`, `id_shop`)
            SELECT pac.id_attribute, pa.id_product, ag.id_attribute_group, product_attribute_shop.`id_shop`
            FROM ' . _DB_PREFIX_ . 'product_attribute pa' .
            Shop::addSqlAssociation('product_attribute', 'pa') . '
            INNER JOIN ' . _DB_PREFIX_ . 'product_attribute_combination pac ON pac.id_product_attribute = pa.id_product_attribute
            INNER JOIN ' . _DB_PREFIX_ . 'attribute a ON (a.id_attribute = pac.id_attribute)
            INNER JOIN ' . _DB_PREFIX_ . 'attribute_group ag ON ag.id_attribute_group = a.id_attribute_group
            ' . ($idProduct === null ? '' : 'AND pa.id_product = ' . (int) $idProduct) . '
            GROUP BY a.id_attribute, pa.id_product , product_attribute_shop.`id_shop`'
        );
    }

/*
     * Generate data for product features
     *
     * @return boolean
     */
    public function indexFeatures()
    {
        return $this->getDatabase()->execute(
            'INSERT INTO `' . _DB_PREFIX_ . 'layered_indexable_feature` ' .
            'SELECT id_feature, 1 FROM `' . _DB_PREFIX_ . 'feature` ' .
            'WHERE id_feature NOT IN (SELECT id_feature FROM ' .
            '`' . _DB_PREFIX_ . 'layered_indexable_feature`)'
        );
    }

/*
     * Generate data for product attribute group
     *
     * @return boolean
     */
    public function indexAttributeGroup()
    {
        return $this->getDatabase()->execute(
            'INSERT INTO `' . _DB_PREFIX_ . 'layered_indexable_attribute_group` ' .
            'SELECT id_attribute_group, 1 FROM `' . _DB_PREFIX_ . 'attribute_group` ' .
            'WHERE id_attribute_group NOT IN (SELECT id_attribute_group FROM ' .
            '`' . _DB_PREFIX_ . 'layered_indexable_attribute_group`)'
        );
    }

/**
     * Full prices index process
     *
     * @param int $cursor in order to restart indexing from the last state
     * @param bool $ajax
     * @param bool $smart
     */
    public function fullPricesIndexProcess($cursor = 0, $ajax = false, $smart = false)
    {
        if ($cursor == 0 && !$smart) {
            $this->rebuildPriceIndexTable();
        }

return $this->indexPrices($cursor, true, $ajax, $smart);
    }

/**
     * Prices index process
     *
     * @param int $cursor in order to restart indexing from the last state
     * @param bool $ajax
     */
    public function pricesIndexProcess($cursor = 0, $ajax = false)
    {
        return $this->indexPrices($cursor, false, $ajax);
    }

/**
     * Index product prices
     *
     * @param int $idProduct
     * @param bool $smart Delete before reindex
     */
    public function indexProductPrices($idProduct, $smart = true)
    {
        static $groups = null;

if ($groups === null) {
            $groups = $this->getDatabase()->executeS('SELECT id_group FROM `' . _DB_PREFIX_ . 'group_reduction`');
            if (!$groups) {
                $groups = [];
            }
        }

$shopList = Shop::getShops(false, null, true);

foreach ($shopList as $idShop) {
            $currencyList = Currency::getCurrencies(false, 1, new Shop($idShop));

$minPrice = [];
            $maxPrice = [];

if ($smart) {
                $this->getDatabase()->execute('DELETE FROM `' . _DB_PREFIX_ . 'layered_price_index` WHERE `id_product` = ' . (int) $idProduct . ' AND `id_shop` = ' . (int) $idShop);
            }

$taxRatesByCountry = $this->getDatabase()->executeS(
                'SELECT t.rate rate, tr.id_country, c.iso_code ' .
                'FROM `' . _DB_PREFIX_ . 'product_shop` p ' .
                'LEFT JOIN `' . _DB_PREFIX_ . 'tax_rules_group` trg ON  ' .
                '(trg.id_tax_rules_group = p.id_tax_rules_group AND p.id_shop = ' . (int) $idShop . ') ' .
                'LEFT JOIN `' . _DB_PREFIX_ . 'tax_rule` tr ON (tr.id_tax_rules_group = trg.id_tax_rules_group) ' .
                'LEFT JOIN `' . _DB_PREFIX_ . 'tax` t ON (t.id_tax = tr.id_tax AND t.active = 1) ' .
                'JOIN `' . _DB_PREFIX_ . 'country` c ON (tr.id_country=c.id_country AND c.active = 1) ' .
                'WHERE id_product = ' . (int) $idProduct . ' ' .
                'GROUP BY id_product, tr.id_country'
            );

if (empty($taxRatesByCountry) || !Configuration::get('PS_LAYERED_FILTER_PRICE_USETAX')) {
                $shopCountries = Country::getCountriesByIdShop($idShop, $this->getContext()->language->id);
                $taxCountries = array_filter($shopCountries, function ($country) {
                    return $country['active'];
                });
                $taxRatesByCountry = array_map(function ($country) {
                    return [
                        'rate' => 0,
                        'id_country' => $country['id_country'],
                        'iso_code' => $country['iso_code'],
                    ];
                }, $taxCountries);
            }

$productMinPrices = $this->getDatabase()->executeS(
                'SELECT id_shop, id_currency, id_country, id_group, from_quantity
                FROM `' . _DB_PREFIX_ . 'specific_price`
                WHERE id_product = ' . (int) $idProduct . ' AND id_shop IN (0,' . (int) $idShop . ')'
            );

$countries = Country::getCountries($this->getContext()->language->id, true, false, false);
            foreach ($countries as $country) {
                $idCountry = $country['id_country'];

// Get price by currency & country, without reduction!
                foreach ($currencyList as $currency) {
                    $price = Product::priceCalculation(
                        $idShop,
                        (int) $idProduct,
                        null,
                        $idCountry,
                        null,
                        null,
                        $currency['id_currency'],
                        null,
                        null,
                        false,
                        6, // Decimals
                        false,
                        false,
                        true,
                        $specificPriceOutput,
                        true
                    );

$minPrice[$idCountry][$currency['id_currency']] = $price;
                    $maxPrice[$idCountry][$currency['id_currency']] = $price;
                }

foreach ($productMinPrices as $specificPrice) {
                    foreach ($currencyList as $currency) {
                        if ($specificPrice['id_currency'] &&
                            $specificPrice['id_currency'] != $currency['id_currency']
                        ) {
                            continue;
                        }

$price = Product::priceCalculation(
                            $idShop,
                            (int) $idProduct,
                            null,
                            $idCountry,
                            null,
                            null,
                            $currency['id_currency'],
                            (($specificPrice['id_group'] == 0) ? null : $specificPrice['id_group']),
                            $specificPrice['from_quantity'],
                            false,
                            6,
                            false,
                            true,
                            true,
                            $specificPriceOutput,
                            true
                        );

if ($price > $maxPrice[$idCountry][$currency['id_currency']]) {
                            $maxPrice[$idCountry][$currency['id_currency']] = $price;
                        }

if ($price == 0) {
                            continue;
                        }

if (null === $minPrice[$idCountry][$currency['id_currency']] || $price < $minPrice[$idCountry][$currency['id_currency']]) {
                            $minPrice[$idCountry][$currency['id_currency']] = $price;
                        }
                    }
                }

foreach ($groups as $group) {
                    foreach ($currencyList as $currency) {
                        $price = Product::priceCalculation(
                            $idShop,
                            (int) $idProduct,
                            null,
                            (int) $idCountry,
                            null,
                            null,
                            (int) $currency['id_currency'],
                            (int) $group['id_group'],
                            null,
                            false,
                            6,
                            false,
                            true,
                            true,
                            $specificPriceOutput,
                            true
                        );

if (!isset($maxPrice[$idCountry][$currency['id_currency']])) {
                            $maxPrice[$idCountry][$currency['id_currency']] = 0;
                        }

if (!isset($minPrice[$idCountry][$currency['id_currency']])) {
                            $minPrice[$idCountry][$currency['id_currency']] = null;
                        }

if ($price == 0) {
                            continue;
                        }

if ($price > $maxPrice[$idCountry][$currency['id_currency']]) {
                            $maxPrice[$idCountry][$currency['id_currency']] = $price;
                        }
                    }
                }
            }

$values = [];
            foreach ($taxRatesByCountry as $taxRateByCountry) {
                $taxRate = $taxRateByCountry['rate'];
                $idCountry = $taxRateByCountry['id_country'];
                foreach ($currencyList as $currency) {
                    $minPriceValue = array_key_exists($idCountry, $minPrice) ? $minPrice[$idCountry][$currency['id_currency']] : 0;
                    $maxPriceValue = array_key_exists($idCountry, $maxPrice) ? $maxPrice[$idCountry][$currency['id_currency']] : 0;
                    if (!in_array($taxRateByCountry['iso_code'], self::ISO_CODE_TAX_FREE)) {
                        $minPriceValue = Tools::ps_round($minPriceValue * (100 + $taxRate) / 100, self::DECIMAL_DIGITS);
                        $maxPriceValue = Tools::ps_round($maxPriceValue * (100 + $taxRate) / 100, self::DECIMAL_DIGITS);
                    }

$values[] = '(' . (int) $idProduct . ',
                        ' . (int) $currency['id_currency'] . ',
                        ' . $idShop . ',
                        ' . (float) $minPriceValue . ',
                        ' . (float) $maxPriceValue . ',
                        ' . (int) $idCountry . ')';
                }
            }

if (!empty($values)) {
                $this->getDatabase()->execute(
                    'INSERT INTO `' . _DB_PREFIX_ . 'layered_price_index` (id_product, id_currency, id_shop, price_min, price_max, id_country)
                     VALUES ' . implode(',', $values) . '
                     ON DUPLICATE KEY UPDATE id_product = id_product' // Avoid duplicate keys
                );
            }
        }
    }

/**
     * Get page content
     */
    public function getContent()
    {
        global $cookie;
        $message = '';

if (Tools::isSubmit('SubmitFilter')) {
            if (!Tools::getValue('layered_tpl_name')) {
                $message = $this->displayError($this->trans('Filter template name required (cannot be empty)', [], 'Modules.Facetedsearch.Admin'));
            } elseif (!Tools::getValue('categoryBox')) {
                $message = $this->displayError($this->trans('You must select at least one category.', [], 'Modules.Facetedsearch.Admin'));
            } else {
                // Get or generate id
                $idLayeredFilter = (int) Tools::getValue('id_layered_filter');
                if (Tools::getValue('scope')) {
                    $this->getDatabase()->execute('TRUNCATE TABLE ' . _DB_PREFIX_ . 'layered_filter');
                    $categories = $this->getDatabase()->executeS(
                        'SELECT id_category FROM ' . _DB_PREFIX_ . 'category'
                    );

foreach ($categories as $category) {
                        $_POST['categoryBox'][] = (int) $category['id_category'];
                    }
                }

// Associate Shops
                if (isset($_POST['checkBoxShopAsso_layered_filter'])) {
                    $shopList = [];
                    foreach ($_POST['checkBoxShopAsso_layered_filter'] as $idShop => $row) {
                        $assos[] = ['id_shop' => (int) $idShop];
                        $shopList[] = (int) $idShop;
                    }
                } else {
                    $shopList = [(int) $this->getContext()->shop->id];
                }

if (!empty($_POST['categoryBox']) && is_array($_POST['categoryBox'])) {
                    /* Clean categoryBox before use */
                    $_POST['categoryBox'] = array_map('intval', $_POST['categoryBox']);
                    $filterValues = [
                        'shop_list' => $shopList,
                    ];

foreach ($_POST['categoryBox'] as $idCategoryLayered) {
                        $filterValues['categories'][] = $idCategoryLayered;
                    }

foreach ($_POST as $key => $value) {
                        if (!preg_match('~^(?P<key>layered_selection_.*)(?<!_filter_)(?<!type)(?<!show_limit)$~', $key, $matches)) {
                            continue;
                        }

$filterValues[$matches['key']] = [
                            'filter_type' => (int) Tools::getValue($matches['key'] . '_filter_type', 0),
                            'filter_show_limit' => (int) Tools::getValue($matches['key'] . '_filter_show_limit', 0),
                        ];
                    }

$values = [
                        'name' => pSQL(Tools::getValue('layered_tpl_name')),
                        'filters' => pSQL(serialize($filterValues)),
                        'n_categories' => (int) count($filterValues['categories']),
                    ];

if (!$idLayeredFilter) {
                        $values['date_add'] = date('Y-m-d H:i:s');
                        $sql = 'INSERT INTO ' . _DB_PREFIX_ . 'layered_filter ' .
                             '(name, filters, n_categories, date_add, id_layered_filter) ' .
                             'VALUES (' .
                             '"' . pSQL($values['name']) . '", ' .
                             '"' . $values['filters'] . '", ' .
                             '' . (int) $values['n_categories'] . ', ' .
                             '"' . pSQL($values['date_add']) . '", ' .
                             '' . $idLayeredFilter . ')';
                        $this->getDatabase()->execute($sql);
                        $idLayeredFilter = (int) $this->getDatabase()->Insert_ID();
                    } else {
                        $this->getDatabase()->execute(
                            'DELETE FROM ' . _DB_PREFIX_ . 'layered_filter_shop WHERE `id_layered_filter` = ' . (int) $idLayeredFilter
                        );
                        $sql = 'UPDATE ' . _DB_PREFIX_ . 'layered_filter ' .
                             'SET name = "' . pSQL($values['name']) . '", ' .
                             'filters = "' . $values['filters'] . '", ' .
                             'n_categories = ' . (int) $values['n_categories'] . ' ' .
                             'WHERE id_layered_filter = ' . $idLayeredFilter;
                        $this->getDatabase()->execute($sql);
                    }

if (isset($assos)) {
                        foreach ($assos as $asso) {
                            $this->getDatabase()->execute(
                                'INSERT INTO ' . _DB_PREFIX_ . 'layered_filter_shop (`id_layered_filter`, `id_shop`)
    VALUES(' . $idLayeredFilter . ', ' . (int) $asso['id_shop'] . ')'
                            );
                        }
                    }

$this->buildLayeredCategories();
                    $message = $this->displayConfirmation(
                        $this->trans('Your filter', [], 'Modules.Facetedsearch.Admin') . ' "' .
                        Tools::safeOutput(Tools::getValue('layered_tpl_name')) . '" ' .
                        (
                            !empty($_POST['id_layered_filter']) ?
                            $this->trans('was updated successfully.', [], 'Modules.Facetedsearch.Admin') :
                            $this->trans('was added successfully.', [], 'Modules.Facetedsearch.Admin')
                        )
                    );
                }
            }
        } elseif (Tools::isSubmit('submitLayeredSettings')) {
            Configuration::updateValue('PS_LAYERED_CACHE_ENABLED', (int) Tools::getValue('ps_layered_cache_enabled'));
            Configuration::updateValue('PS_LAYERED_SHOW_QTIES', (int) Tools::getValue('ps_layered_show_qties'));
            Configuration::updateValue('PS_LAYERED_FULL_TREE', (int) Tools::getValue('ps_layered_full_tree'));
            Configuration::updateValue('PS_LAYERED_FILTER_PRICE_USETAX', (int) Tools::getValue('ps_layered_filter_price_usetax'));
            Configuration::updateValue('PS_LAYERED_FILTER_CATEGORY_DEPTH', (int) Tools::getValue('ps_layered_filter_category_depth'));
            Configuration::updateValue('PS_LAYERED_FILTER_PRICE_ROUNDING', (int) Tools::getValue('ps_layered_filter_price_rounding'));
            Configuration::updateValue('PS_LAYERED_FILTER_SHOW_OUT_OF_STOCK_LAST', (int) Tools::getValue('ps_layered_filter_show_out_of_stock_last'));
            Configuration::updateValue('PS_LAYERED_FILTER_BY_DEFAULT_CATEGORY', (int) Tools::getValue('ps_layered_filter_by_default_category'));

$this->psLayeredFullTree = (int) Tools::getValue('ps_layered_full_tree');

$message = '<div class="alert alert-success">' . $this->trans('Settings saved successfully', [], 'Modules.Facetedsearch.Admin') . '</div>';
            $this->invalidateLayeredFilterBlockCache();
        } elseif (Tools::getValue('deleteFilterTemplate')) {
            $layered_values = $this->getDatabase()->getValue(
                'SELECT filters
                FROM ' . _DB_PREFIX_ . 'layered_filter
                WHERE id_layered_filter = ' . (int) Tools::getValue('id_layered_filter')
            );

if ($layered_values) {
                $this->getDatabase()->execute(
                    'DELETE FROM ' . _DB_PREFIX_ . 'layered_filter
                    WHERE id_layered_filter = ' . (int) Tools::getValue('id_layered_filter') . ' LIMIT 1'
                );
                $this->buildLayeredCategories();
                $message = $this->displayConfirmation($this->trans('Filter template deleted, categories updated (reverted to default Filter template).', [], 'Modules.Facetedsearch.Admin'));
            } else {
                $message = $this->displayError($this->trans('Filter template not found', [], 'Modules.Facetedsearch.Admin'));
            }
        }

$categoryBox = [];
        $attributeGroups = $this->getDatabase()->executeS(
            'SELECT ag.id_attribute_group, ag.is_color_group, agl.name, COUNT(DISTINCT(a.id_attribute)) n
            FROM ' . _DB_PREFIX_ . 'attribute_group ag
            LEFT JOIN ' . _DB_PREFIX_ . 'attribute_group_lang agl ON (agl.id_attribute_group = ag.id_attribute_group)
            LEFT JOIN ' . _DB_PREFIX_ . 'attribute a ON (a.id_attribute_group = ag.id_attribute_group)
            WHERE agl.id_lang = ' . (int) $cookie->id_lang . '
            GROUP BY ag.id_attribute_group'
        );

$features = $this->getDatabase()->executeS(
            'SELECT fl.id_feature, fl.name, COUNT(DISTINCT(fv.id_feature_value)) n
            FROM ' . _DB_PREFIX_ . 'feature_lang fl
            LEFT JOIN ' . _DB_PREFIX_ . 'feature_value fv ON (fv.id_feature = fl.id_feature)
            WHERE (fv.custom IS NULL OR fv.custom = 0) AND fl.id_lang = ' . (int) $cookie->id_lang . '
            GROUP BY fl.id_feature'
        );

if (Shop::isFeatureActive() && count(Shop::getShops(true, null, true)) > 1) {
            $helper = new HelperForm();
            $helper->id = Tools::getValue('id_layered_filter', null);
            $helper->table = 'layered_filter';
            $helper->identifier = 'id_layered_filter';
            $this->context->smarty->assign('asso_shops', $helper->renderAssoShop());
        }

$treeCategoriesHelper = new HelperTreeCategories('categories-treeview');
        $treeCategoriesHelper->setRootCategory((Shop::getContext() == Shop::CONTEXT_SHOP ? Category::getRootCategory()->id_category : 0))
                                                                     ->setUseCheckBox(true);

$moduleUrl = Tools::getProtocol(Tools::usingSecureMode()) . $_SERVER['HTTP_HOST'] . $this->getPathUri();

if (method_exists($this->context->controller, 'addJquery')) {
            $this->context->controller->addJS(_PS_JS_DIR_ . 'jquery/plugins/jquery.sortable.js');
        }

$this->context->controller->addJS($this->_path . 'views/dist/back.js');
        $this->context->controller->addCSS($this->_path . 'views/dist/back.css');

if (Tools::getValue('add_new_filters_template')) {
            $this->context->smarty->assign([
                'current_url' => $this->context->link->getAdminLink('AdminModules') . '&configure=ps_facetedsearch&tab_module=front_office_features&module_name=ps_facetedsearch',
                'uri' => $this->getPathUri(),
                'id_layered_filter' => 0,
                'template_name' => sprintf($this->trans('My template - %s', [], 'Modules.Facetedsearch.Admin'), date('Y-m-d')),
                'attribute_groups' => $attributeGroups,
                'features' => $features,
                'total_filters' => 6 + count($attributeGroups) + count($features),
            ]);

$this->context->smarty->assign('categories_tree', $treeCategoriesHelper->render());

return $this->display(__FILE__, 'views/templates/admin/add.tpl');
        }

if (Tools::getValue('edit_filters_template')) {
            $idLayeredFilter = (int) Tools::getValue('id_layered_filter');
            $template = $this->getDatabase()->getRow(
                'SELECT *
                FROM `' . _DB_PREFIX_ . 'layered_filter`
                WHERE id_layered_filter = ' . $idLayeredFilter
            );

if (!empty($template)) {
                $filters = Tools::unSerialize($template['filters']);
                $treeCategoriesHelper->setSelectedCategories($filters['categories']);
                $this->context->smarty->assign('categories_tree', $treeCategoriesHelper->render());

$selectShops = $filters['shop_list'];
                unset($filters['categories']);
                unset($filters['shop_list']);

$this->context->smarty->assign([
                    'current_url' => $this->context->link->getAdminLink('AdminModules') . '&configure=ps_facetedsearch&tab_module=front_office_features&module_name=ps_facetedsearch',
                    'uri' => $this->getPathUri(),
                    'id_layered_filter' => $idLayeredFilter,
                    'template_name' => $template['name'],
                    'attribute_groups' => $attributeGroups,
                    'features' => $features,
                    'filters' => $filters,
                    'total_filters' => 6 + count($attributeGroups) + count($features),
                    'default_filters' => $this->getDefaultFilters(),
                ]);

return $this->display(__FILE__, 'views/templates/admin/view.tpl');
            }
        }

$this->context->smarty->assign([
            'message' => $message,
            'uri' => $this->getPathUri(),
            'PS_LAYERED_INDEXED' => (int) Configuration::getGlobalValue('PS_LAYERED_INDEXED'),
            'current_url' => Tools::safeOutput(preg_replace('/&deleteFilterTemplate=[0-9]*&id_layered_filter=[0-9]*/', '', $_SERVER['REQUEST_URI'])),
            'id_lang' => $this->getContext()->cookie->id_lang,
            'token' => substr(Tools::encrypt('ps_facetedsearch/index'), 0, 10),
            'base_folder' => urlencode(_PS_ADMIN_DIR_),
            'price_indexer_url' => $moduleUrl . 'ps_facetedsearch-price-indexer.php' . '?token=' . substr(Tools::encrypt('ps_facetedsearch/index'), 0, 10),
            'full_price_indexer_url' => $moduleUrl . 'ps_facetedsearch-price-indexer.php' . '?token=' . substr(Tools::encrypt('ps_facetedsearch/index'), 0, 10) . '&full=1',
            'attribute_indexer_url' => $moduleUrl . 'ps_facetedsearch-attribute-indexer.php' . '?token=' . substr(Tools::encrypt('ps_facetedsearch/index'), 0, 10),
            'clear_cache_url' => $moduleUrl . 'ps_facetedsearch-clear-cache.php' . '?token=' . substr(Tools::encrypt('ps_facetedsearch/index'), 0, 10),
            'filters_templates' => $this->getDatabase()->executeS('SELECT * FROM ' . _DB_PREFIX_ . 'layered_filter ORDER BY date_add DESC'),
            'show_quantities' => Configuration::get('PS_LAYERED_SHOW_QTIES'),
            'cache_enabled' => Configuration::get('PS_LAYERED_CACHE_ENABLED'),
            'full_tree' => $this->psLayeredFullTree,
            'category_depth' => Configuration::get('PS_LAYERED_FILTER_CATEGORY_DEPTH'),
            'price_use_tax' => (bool) Configuration::get('PS_LAYERED_FILTER_PRICE_USETAX'),
            'limit_warning' => $this->displayLimitPostWarning(21 + count($attributeGroups) * 3 + count($features) * 3),
            'price_use_rounding' => (bool) Configuration::get('PS_LAYERED_FILTER_PRICE_ROUNDING'),
            'show_out_of_stock_last' => (bool) Configuration::get('PS_LAYERED_FILTER_SHOW_OUT_OF_STOCK_LAST'),
            'filter_by_default_category' => (bool) Configuration::get('PS_LAYERED_FILTER_BY_DEFAULT_CATEGORY'),
        ]);

return $this->display(__FILE__, 'views/templates/admin/manage.tpl');
    }

public function displayLimitPostWarning($count)
    {
        $return = [];
        if ((ini_get('suhosin.post.max_vars') && ini_get('suhosin.post.max_vars') < $count) || (ini_get('suhosin.request.max_vars') && ini_get('suhosin.request.max_vars') < $count)) {
            $return['error_type'] = 'suhosin';
            $return['post.max_vars'] = ini_get('suhosin.post.max_vars');
            $return['request.max_vars'] = ini_get('suhosin.request.max_vars');
            $return['needed_limit'] = $count + 100;
        } elseif (ini_get('max_input_vars') && ini_get('max_input_vars') < $count) {
            $return['error_type'] = 'conf';
            $return['max_input_vars'] = ini_get('max_input_vars');
            $return['needed_limit'] = $count + 100;
        }

return $return;
    }

private function query($sqlQuery)
    {
        return $this->getDatabase()->query($sqlQuery);
    }

/**
     * Rebuild layered structure
     */
    public function rebuildLayeredStructure()
    {
        @set_time_limit(0);

/* Set memory limit to 128M only if current is lower */
        $memoryLimit = Tools::getMemoryLimit();
        if ($memoryLimit != -1 && $memoryLimit < 128 * 1024 * 1024) {
            @ini_set('memory_limit', '128M');
        }

/* Delete and re-create the layered categories table */
        $this->getDatabase()->execute('DROP TABLE IF EXISTS ' . _DB_PREFIX_ . 'layered_category');

$this->getDatabase()->execute(
            'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'layered_category` (
            `id_layered_category` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
            `id_shop` INT(11) UNSIGNED NOT NULL,
            `id_category` INT(10) UNSIGNED NOT NULL,
            `id_value` INT(10) UNSIGNED NULL DEFAULT \'0\',
            `type` ENUM(\'category\',\'id_feature\',\'id_attribute_group\',\'quantity\',\'condition\',\'manufacturer\',\'weight\',\'price\') NOT NULL,
            `position` INT(10) UNSIGNED NOT NULL,
            `filter_type` int(10) UNSIGNED NOT NULL DEFAULT 0,
            `filter_show_limit` int(10) UNSIGNED NOT NULL DEFAULT 0,
            KEY `id_category_shop` (`id_category`, `id_shop`, `type`, id_value, `position`),
            KEY `id_category` (`id_category`,`type`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

$this->getDatabase()->execute(
            'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'layered_filter` (
            `id_layered_filter` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
            `name` VARCHAR(64) NOT NULL,
            `filters` LONGTEXT NULL,
            `n_categories` INT(10) UNSIGNED NOT NULL,
            `date_add` DATETIME NOT NULL
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

$this->getDatabase()->execute(
            'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'layered_filter_block` (
            `hash` CHAR(32) NOT NULL DEFAULT "" PRIMARY KEY,
            `data` TEXT NULL
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

$this->getDatabase()->execute(
            'CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'layered_filter_shop` (
            `id_layered_filter` INT(10) UNSIGNED NOT NULL,
            `id_shop` INT(11) UNSIGNED NOT NULL,
            PRIMARY KEY (`id_layered_filter`, `id_shop`),
            KEY `id_shop` (`id_shop`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );
    }

/**
     * Build layered cache
     *
     * @param array $productsIds
     * @param array $categoriesIds
     * @param bool $rebuildLayeredCategories
     */
    public function rebuildLayeredCache($productsIds = [], $categoriesIds = [], $rebuildLayeredCategories = true)
    {
        @set_time_limit(0);

$filterData = ['categories' => []];

$db = $this->getDatabase();
        $nCategories = [];
        $doneCategories = [];

$alias = 'product_shop';
        $joinProduct = Shop::addSqlAssociation('product', 'p');
        $joinProductAttribute = Shop::addSqlAssociation('product_attribute', 'pa');

$attributeGroups = $this->query(
            'SELECT a.id_attribute, a.id_attribute_group
            FROM ' . _DB_PREFIX_ . 'attribute a
            LEFT JOIN ' . _DB_PREFIX_ . 'product_attribute_combination pac ON (pac.id_attribute = a.id_attribute)
            LEFT JOIN ' . _DB_PREFIX_ . 'product_attribute pa ON (pa.id_product_attribute = pac.id_product_attribute)
            LEFT JOIN ' . _DB_PREFIX_ . 'product p ON (p.id_product = pa.id_product)
            ' . $joinProduct . $joinProductAttribute . '
            LEFT JOIN ' . _DB_PREFIX_ . 'category_product cp ON (cp.id_product = p.id_product)
            LEFT JOIN ' . _DB_PREFIX_ . 'category c ON (c.id_category = cp.id_category)
            WHERE c.active = 1' .
            (count($categoriesIds) ? ' AND cp.id_category IN (' . implode(',', array_map('intval', $categoriesIds)) . ')' : '') . '
            AND ' . $alias . '.active = 1 AND ' . $alias . '.`visibility` IN ("both", "catalog")
            ' . (count($productsIds) ? 'AND p.id_product IN (' . implode(',', array_map('intval', $productsIds)) . ')' : '')
        );

$attributeGroupsById = [];
        while ($row = $db->nextRow($attributeGroups)) {
            $attributeGroupsById[(int) $row['id_attribute']] = (int) $row['id_attribute_group'];
        }

$features = $this->query(
            'SELECT fv.id_feature_value, fv.id_feature
            FROM ' . _DB_PREFIX_ . 'feature_value fv
            LEFT JOIN ' . _DB_PREFIX_ . 'feature_product fp ON (fp.id_feature_value = fv.id_feature_value)
            LEFT JOIN ' . _DB_PREFIX_ . 'product p ON (p.id_product = fp.id_product)
            ' . $joinProduct . '
            LEFT JOIN ' . _DB_PREFIX_ . 'category_product cp ON (cp.id_product = p.id_product)
            LEFT JOIN ' . _DB_PREFIX_ . 'category c ON (c.id_category = cp.id_category)
            WHERE (fv.custom IS NULL OR fv.custom = 0) AND c.active = 1' . (count($categoriesIds) ? ' AND cp.id_category IN (' . implode(',', array_map('intval', $categoriesIds)) . ')' : '') . '
            AND ' . $alias . '.active = 1 AND ' . $alias . '.`visibility` IN ("both", "catalog") ' .
            (count($productsIds) ? 'AND p.id_product IN (' . implode(',', array_map('intval', $productsIds)) . ')' : '')
        );

$featuresById = [];
        while ($row = $db->nextRow($features)) {
            $featuresById[(int) $row['id_feature_value']] = (int) $row['id_feature'];
        }

$result = $this->query(
            'SELECT p.id_product,
            GROUP_CONCAT(DISTINCT fv.id_feature_value) features,
            GROUP_CONCAT(DISTINCT cp.id_category) categories,
            GROUP_CONCAT(DISTINCT pac.id_attribute) attributes
            FROM ' . _DB_PREFIX_ . 'product p
            LEFT JOIN ' . _DB_PREFIX_ . 'category_product cp ON (cp.id_product = p.id_product)
            LEFT JOIN ' . _DB_PREFIX_ . 'category c ON (c.id_category = cp.id_category)
            LEFT JOIN ' . _DB_PREFIX_ . 'feature_product fp ON (fp.id_product = p.id_product)
            LEFT JOIN ' . _DB_PREFIX_ . 'feature_value fv ON (fv.id_feature_value = fp.id_feature_value)
            LEFT JOIN ' . _DB_PREFIX_ . 'product_attribute pa ON (pa.id_product = p.id_product)
            ' . $joinProduct . $joinProductAttribute . '
            LEFT JOIN ' . _DB_PREFIX_ . 'product_attribute_combination pac ON (pac.id_product_attribute = pa.id_product_attribute)
            WHERE c.active = 1' . (count($categoriesIds) ? ' AND cp.id_category IN (' . implode(',', array_map('intval', $categoriesIds)) . ')' : '') . '
            AND ' . $alias . '.active = 1 AND ' . $alias . '.`visibility` IN ("both", "catalog")
            ' . (count($productsIds) ? 'AND p.id_product IN (' . implode(',', array_map('intval', $productsIds)) . ')' : '') .
            ' AND (fv.custom IS NULL OR fv.custom = 0)
            GROUP BY p.id_product'
        );

$shopList = Shop::getShops(false, null, true);

$toInsert = false;
        while ($product = $db->nextRow($result)) {
            $a = $c = $f = [];
            if (!empty($product['attributes'])) {
                $a = array_flip(explode(',', $product['attributes']));
            }

if (!empty($product['categories'])) {
                $c = array_flip(explode(',', $product['categories']));
            }

if (!empty($product['features'])) {
                $f = array_flip(explode(',', $product['features']));
            }

$filterData['shop_list'] = $shopList;

foreach ($c as $idCategory => $category) {
                if (!in_array($idCategory, $filterData['categories'])) {
                    $filterData['categories'][] = $idCategory;
                }

if (!isset($nCategories[(int) $idCategory])) {
                    $nCategories[(int) $idCategory] = 1;
                }
                if (!isset($doneCategories[(int) $idCategory]['cat'])) {
                    $filterData['layered_selection_subcategories'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['cat'] = true;
                    $toInsert = true;
                }
                if (is_array($attributeGroupsById) && count($attributeGroupsById) > 0) {
                    foreach ($a as $kAttribute => $attribute) {
                        if (!isset($doneCategories[(int) $idCategory]['a' . (int) $attributeGroupsById[(int) $kAttribute]])) {
                            $filterData['layered_selection_ag_' . (int) $attributeGroupsById[(int) $kAttribute]] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                            $doneCategories[(int) $idCategory]['a' . (int) $attributeGroupsById[(int) $kAttribute]] = true;
                            $toInsert = true;
                        }
                    }
                }
                if (is_array($attributeGroupsById) && count($attributeGroupsById) > 0) {
                    foreach ($f as $kFeature => $feature) {
                        if (!isset($doneCategories[(int) $idCategory]['f' . (int) $featuresById[(int) $kFeature]])) {
                            $filterData['layered_selection_feat_' . (int) $featuresById[(int) $kFeature]] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                            $doneCategories[(int) $idCategory]['f' . (int) $featuresById[(int) $kFeature]] = true;
                            $toInsert = true;
                        }
                    }
                }

if (!isset($doneCategories[(int) $idCategory]['q'])) {
                    $filterData['layered_selection_stock'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['q'] = true;
                    $toInsert = true;
                }

if (!isset($doneCategories[(int) $idCategory]['m'])) {
                    $filterData['layered_selection_manufacturer'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['m'] = true;
                    $toInsert = true;
                }

if (!isset($doneCategories[(int) $idCategory]['c'])) {
                    $filterData['layered_selection_condition'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['c'] = true;
                    $toInsert = true;
                }

if (!isset($doneCategories[(int) $idCategory]['w'])) {
                    $filterData['layered_selection_weight_slider'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['w'] = true;
                    $toInsert = true;
                }

if (!isset($doneCategories[(int) $idCategory]['p'])) {
                    $filterData['layered_selection_price_slider'] = ['filter_type' => Converter::WIDGET_TYPE_CHECKBOX, 'filter_show_limit' => 0];
                    $doneCategories[(int) $idCategory]['p'] = true;
                    $toInsert = true;
                }
            }
        }

if ($toInsert) {
            $this->getDatabase()->execute('INSERT INTO ' . _DB_PREFIX_ . 'layered_filter(name, filters, n_categories, date_add)
VALUES (\'' . sprintf($this->trans('My template %s', [], 'Modules.Facetedsearch.Admin'), date('Y-m-d')) . '\', \'' . pSQL(serialize($filterData)) . '\', ' . count($filterData['categories']) . ', NOW())');

$last_id = $this->getDatabase()->Insert_ID();
            $this->getDatabase()->execute('DELETE FROM ' . _DB_PREFIX_ . 'layered_filter_shop WHERE `id_layered_filter` = ' . $last_id);
            foreach ($shopList as $idShop) {
                $this->getDatabase()->execute('INSERT INTO ' . _DB_PREFIX_ . 'layered_filter_shop (`id_layered_filter`, `id_shop`)
VALUES(' . $last_id . ', ' . (int) $idShop . ')');
            }

if ($rebuildLayeredCategories) {
                $this->buildLayeredCategories();
            }
        }
    }

/**
     * Build layered categories
     */
    public function buildLayeredCategories()
    {
        // Get all filter template
        $res = $this->getDatabase()->executeS('SELECT * FROM ' . _DB_PREFIX_ . 'layered_filter ORDER BY date_add DESC');
        $categories = [];
        // Clear cache
        $this->invalidateLayeredFilterBlockCache();
        // Remove all from layered_category
        $this->getDatabase()->execute('TRUNCATE ' . _DB_PREFIX_ . 'layered_category');

if (!count($res)) { // No filters templates defined, nothing else to do
            return true;
        }

$sqlInsertPrefix = 'INSERT INTO ' . _DB_PREFIX_ . 'layered_category (id_category, id_shop, id_value, type, position, filter_show_limit, filter_type) VALUES ';
        $sqlInsert = '';
        $nbSqlValuesToInsert = 0;

foreach ($res as $filterTemplate) {
            $data = Tools::unSerialize($filterTemplate['filters']);
            foreach ($data['shop_list'] as $idShop) {
                if (!isset($categories[$idShop])) {
                    $categories[$idShop] = [];
                }

foreach ($data['categories'] as $idCategory) {
                    $n = 0;
                    if (in_array($idCategory, $categories[$idShop])) {
                        continue;
                    }
                    // Last definition, erase previous categories defined

$categories[$idShop][] = $idCategory;

foreach ($data as $key => $value) {
                        if (substr($key, 0, 17) == 'layered_selection') {
                            $type = $value['filter_type'];
                            $limit = $value['filter_show_limit'];
                            ++$n;

if ($key == 'layered_selection_stock') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'quantity\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif ($key == 'layered_selection_subcategories') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'category\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif ($key == 'layered_selection_condition') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'condition\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif ($key == 'layered_selection_weight_slider') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'weight\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif ($key == 'layered_selection_price_slider') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'price\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif ($key == 'layered_selection_manufacturer') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', NULL,\'manufacturer\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif (substr($key, 0, 21) == 'layered_selection_ag_') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', ' . (int) str_replace('layered_selection_ag_', '', $key) . ',
\'id_attribute_group\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            } elseif (substr($key, 0, 23) == 'layered_selection_feat_') {
                                $sqlInsert .= '(' . (int) $idCategory . ', ' . (int) $idShop . ', ' . (int) str_replace('layered_selection_feat_', '', $key) . ',
\'id_feature\',' . (int) $n . ', ' . (int) $limit . ', ' . (int) $type . '),';
                            }

++$nbSqlValuesToInsert;
                            if ($nbSqlValuesToInsert >= 100) {
                                $this->getDatabase()->execute($sqlInsertPrefix . rtrim($sqlInsert, ','));
                                $sqlInsert = '';
                                $nbSqlValuesToInsert = 0;
                            }
                        }
                    }
                }
            }
        }

if ($nbSqlValuesToInsert) {
            $this->getDatabase()->execute($sqlInsertPrefix . rtrim($sqlInsert, ','));
        }
    }

/**
     * Render template
     *
     * @param string $template
     * @param array $params
     *
     * @return string
     */
    public function render($template, array $params = [])
    {
        $this->context->smarty->assign($params);

return $this->display(__FILE__, $template);
    }

/**
     * Check if link rewrite are availables and corrects
     *
     * @param array $params
     */
    public function checkLinksRewrite($params)
    {
        foreach (Language::getLanguages(false) as $language) {
            $idLang = $language['id_lang'];
            $urlNameLang = Tools::getValue('url_name_' . $idLang);
            if ($urlNameLang && Tools::link_rewrite($urlNameLang) != strtolower($urlNameLang)) {
                $params['errors'][] = $this->trans(
                    '"%s" is not a valid url',
                    [Tools::safeOutput($urlNameLang, true)],
                    'Modules.Facetedsearch.Admin'
                );
            }
        }
    }

/**
     * Dispatch hooks
     *
     * @param string $methodName
     * @param array $arguments
     */
    public function __call($methodName, array $arguments)
    {
        return $this->getHookDispatcher()->dispatch(
            $methodName,
            !empty($arguments[0]) ? $arguments[0] : []
        );
    }

/**
     * Invalid filter block cache
     */
    public function invalidateLayeredFilterBlockCache()
    {
        return $this->getDatabase()->execute('TRUNCATE TABLE ' . _DB_PREFIX_ . 'layered_filter_block');
    }

/**
     * Install price indexes table
     */
    public function rebuildPriceIndexTable()
    {
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_price_index`');

$this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_price_index` (
            `id_product` INT  NOT NULL,
            `id_currency` INT NOT NULL,
            `id_shop` INT NOT NULL,
            `price_min` DECIMAL(11, 5) NOT NULL,
            `price_max` DECIMAL(11, 5) NOT NULL,
            `id_country` INT NOT NULL,
            PRIMARY KEY (`id_product`, `id_currency`, `id_shop`, `id_country`),
            INDEX `id_currency` (`id_currency`),
            INDEX `price_min` (`price_min`),
            INDEX `price_max` (`price_max`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );
    }

/**
     * create table product attribute.
     */
    private function installProductAttributeTable()
    {
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_product_attribute`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_product_attribute` (
            `id_attribute` int(10) unsigned NOT NULL,
            `id_product` int(10) unsigned NOT NULL,
            `id_attribute_group` int(10) unsigned NOT NULL DEFAULT "0",
            `id_shop` int(10) unsigned NOT NULL DEFAULT "1",
            PRIMARY KEY (`id_attribute`, `id_product`, `id_shop`),
            UNIQUE KEY `id_attribute_group` (`id_attribute_group`,`id_attribute`,`id_product`, `id_shop`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );
    }

/**
     * Install indexable attribute table
     */
    private function installIndexableAttributeTable()
    {
        // Attributes Groups
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_attribute_group`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_attribute_group` (
            `id_attribute_group` INT NOT NULL,
            `indexable` BOOL NOT NULL DEFAULT 0,
            PRIMARY KEY (`id_attribute_group`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );
        $this->getDatabase()->execute(
            'INSERT INTO `' . _DB_PREFIX_ . 'layered_indexable_attribute_group`
            SELECT id_attribute_group, 1 FROM `' . _DB_PREFIX_ . 'attribute_group`'
        );

$this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_attribute_group_lang_value`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_attribute_group_lang_value` (
            `id_attribute_group` INT NOT NULL,
            `id_lang` INT NOT NULL,
            `url_name` VARCHAR(128),
            `meta_title` VARCHAR(128),
            PRIMARY KEY (`id_attribute_group`, `id_lang`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

// Attributes
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_attribute_lang_value`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_attribute_lang_value` (
            `id_attribute` INT NOT NULL,
            `id_lang` INT NOT NULL,
            `url_name` VARCHAR(128),
            `meta_title` VARCHAR(128),
            PRIMARY KEY (`id_attribute`, `id_lang`)
           )  ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

// Features
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_feature`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_feature` (
            `id_feature` INT NOT NULL,
            `indexable` BOOL NOT NULL DEFAULT 0,
            PRIMARY KEY (`id_feature`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

$this->getDatabase()->execute(
            'INSERT INTO `' . _DB_PREFIX_ . 'layered_indexable_feature`
            SELECT id_feature, 1 FROM `' . _DB_PREFIX_ . 'feature`'
        );

$this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_feature_lang_value`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_feature_lang_value` (
            `id_feature` INT NOT NULL,
            `id_lang` INT NOT NULL,
            `url_name` VARCHAR(128) NOT NULL,
            `meta_title` VARCHAR(128),
            PRIMARY KEY (`id_feature`, `id_lang`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );

// Features values
        $this->getDatabase()->execute('DROP TABLE IF EXISTS `' . _DB_PREFIX_ . 'layered_indexable_feature_value_lang_value`');
        $this->getDatabase()->execute(
            'CREATE TABLE `' . _DB_PREFIX_ . 'layered_indexable_feature_value_lang_value` (
            `id_feature_value` INT NOT NULL,
            `id_lang` INT NOT NULL,
            `url_name` VARCHAR(128),
            `meta_title` VARCHAR(128),
            PRIMARY KEY (`id_feature_value`, `id_lang`)
            ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=utf8;'
        );
    }

/**
     * Index prices
     *
     * @param int $cursor last indexed id_product
     * @param bool $full
     * @param bool $ajax
     * @param bool $smart
     *
     * @return int|string|bool
     */
    private function indexPrices($cursor = 0, $full = false, $ajax = false, $smart = false)
    {
        if ($full) {
            $nbProducts = (int) $this->getDatabase()->getValue(
                'SELECT count(DISTINCT p.`id_product`) ' .
                'FROM ' . _DB_PREFIX_ . 'product p ' .
                'INNER JOIN `' . _DB_PREFIX_ . 'product_shop` ps ' .
                'ON (ps.`id_product` = p.`id_product` AND ps.`active` = 1 AND ps.`visibility` IN ("both", "catalog"))'
            );
        } else {
            $nbProducts = (int) $this->getDatabase()->getValue(
                'SELECT COUNT(DISTINCT p.`id_product`) ' .
                'FROM `' . _DB_PREFIX_ . 'product` p ' .
                'INNER JOIN `' . _DB_PREFIX_ . 'product_shop` ps ON (ps.`id_product` = p.`id_product` AND ps.`active` = 1 AND ps.`visibility` IN ("both", "catalog")) ' .
                'LEFT JOIN  `' . _DB_PREFIX_ . 'layered_price_index` psi ON (psi.id_product = p.id_product) ' .
                'WHERE psi.id_product IS NULL'
            );
        }

$maxExecutiontime = @ini_get('max_execution_time');
        if ($maxExecutiontime > 5 || $maxExecutiontime <= 0) {
            $maxExecutiontime = 5;
        }

$startTime = microtime(true);

$indexedProducts = 0;
        $length = 100;
        do {
            $lastCursor = $cursor;
            $cursor = (int) $this->indexPricesUnbreakable((int) $cursor, $full, $smart, $length);
            if ($cursor == 0) {
                $lastCursor = $cursor;
                break;
            }
            $time_elapsed = microtime(true) - $startTime;
            $indexedProducts += $length;
        } while (
            $cursor < $nbProducts
            && (Tools::getMemoryLimit() == -1 || Tools::getMemoryLimit() > memory_get_peak_usage())
            && $time_elapsed < $maxExecutiontime
        );

if (($nbProducts > 0 && !$full || $cursor != $lastCursor && $full) && !$ajax) {
            return $this->indexPrices((int) $cursor, $full, $ajax, $smart);
        }

if ($ajax && $nbProducts > 0 && $cursor != $lastCursor && $full) {
            return json_encode([
                'total' => $nbProducts,
                'cursor' => $cursor,
                'count' => $indexedProducts,
            ]);
        }

if ($ajax && $nbProducts > 0 && !$full) {
            return json_encode([
                'total' => $nbProducts,
                'cursor' => $cursor,
                'count' => $indexedProducts,
            ]);
        }

Configuration::updateGlobalValue('PS_LAYERED_INDEXED', 1);

if ($ajax) {
            return json_encode([
                'result' => 'ok',
            ]);
        }

return $nbProducts;
    }

/**
     * Index prices unbreakable
     *
     * @param int $cursor last indexed id_product
     * @param bool $full All products, otherwise only indexed products
     * @param bool $smart Delete before reindex
     * @param int $length nb of products to index
     *
     * @return int
     */
    private function indexPricesUnbreakable($cursor, $full = false, $smart = false, $length = 100)
    {
        if ($full) {
            $query = 'SELECT p.`id_product` ' .
                'FROM `' . _DB_PREFIX_ . 'product` p ' .
                'INNER JOIN `' . _DB_PREFIX_ . 'product_shop` ps ' .
                'ON (ps.`id_product` = p.`id_product` AND ps.`active` = 1 AND ps.`visibility` IN ("both", "catalog")) ' .
                'WHERE p.id_product > ' . (int) $cursor . ' ' .
                'GROUP BY p.`id_product` ' .
                'ORDER BY p.`id_product` LIMIT 0,' . (int) $length;
        } else {
            $query = 'SELECT p.`id_product` ' .
                'FROM `' . _DB_PREFIX_ . 'product` p ' .
                'INNER JOIN `' . _DB_PREFIX_ . 'product_shop` ps ' .
                'ON (ps.`id_product` = p.`id_product` AND ps.`active` = 1 AND ps.`visibility` IN ("both", "catalog")) ' .
                'LEFT JOIN  `' . _DB_PREFIX_ . 'layered_price_index` psi ON (psi.id_product = p.id_product) ' .
                'WHERE psi.id_product IS NULL ' .
                'GROUP BY p.`id_product` ' .
                'ORDER BY p.`id_product` LIMIT 0,' . (int) $length;
        }

$lastIdProduct = 0;
        foreach ($this->getDatabase()->executeS($query) as $product) {
            $this->indexProductPrices((int) $product['id_product'], ($smart && $full));
            $lastIdProduct = $product['id_product'];
        }

return (int) $lastIdProduct;
    }

/**
     * {@inheritdoc}
     */
    public function renderWidget($hookName, array $configuration)
    {
        $this->smarty->assign($this->getWidgetVariables($hookName, $configuration));

return $this->fetch(
            'module:ps_facetedsearch/ps_facetedsearch.tpl'
        );
    }

/**
     * {@inheritdoc}
     */
    public function getWidgetVariables($hookName, array $configuration)
    {
        return [];
    }
}

${this.title}

Code Editor : ps_facetedsearch.php