toutpratique/modules/productaccessories/productaccessories.php

<?php

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

class ProductAccessories extends Module
{
    const FEATURE_ID = 8;

    public function __construct()
    {
        $this->name = 'productaccessories';
        $this->tab = 'front_office_features';
        $this->author = 'Antadis';
        $this->version = '1.0.0';
        $this->need_instance = 0;
        $this->ps_versions_compliancy = array('min' => '1.5', 'max' => _PS_VERSION_);

        parent::__construct();

        $this->displayName = $this->l('Product accessories');
        $this->description = $this->l('Show Product accessories on basket page');


    }

    public function install()
    {
        if (parent::install() == false)
            return false;
        return true;
    }

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

    public function hookDisplayShoppingCart(){
        return $this->displayAccessories('views/templates/accessories.tpl');
    }

    public function displayAccessories($template)
    {
        $this->prepareAccessoriesTemplateVars();
        return $this->display(__FILE__, $template);
    }

    public static function getFrontFeaturesStatic($idLang, $idProduct, $idFeature)
    {
        return Db::getInstance()->getRow('SELECT name, value, pf.id_feature
				FROM '._DB_PREFIX_.'feature_product pf
				LEFT JOIN '._DB_PREFIX_.'feature_lang fl ON (fl.id_feature = pf.id_feature AND fl.id_lang = '.(int)$idLang.')
				LEFT JOIN '._DB_PREFIX_.'feature_value_lang fvl ON (fvl.id_feature_value = pf.id_feature_value AND fvl.id_lang = '.(int)$idLang.')
				LEFT JOIN '._DB_PREFIX_.'feature f ON (f.id_feature = pf.id_feature AND fl.id_lang = '.(int)$idLang.')
				'.Shop::addSqlAssociation('feature', 'f').'
				WHERE pf.id_product = '.(int)$idProduct.'
				AND pf.id_feature = '. (int)$idFeature . ';');
    }

    private function prepareAccessoriesTemplateVars()
    {
        $context = Context::getContext();
        $cart = $context->cart;
        $label = 'Vous aimerez peut être aussi';

        $products = $cart->getProducts();

        $productsId = array_column($products, 'id_product');

        $accessories = array();

        foreach ($productsId as $productId) {
            if($accessoriesProduct = Product::getAccessoriesLight($context->language->id, $productId['id_product'])) {
                $accessories = array_merge($accessories, $accessoriesProduct);
            }

        }
        $accessories = array_unique($accessories, SORT_REGULAR);
        shuffle($accessories);
        $randAccessories = array_slice($accessories, 0, 3);

        $showAccessories = [];
        foreach ($randAccessories as $key => $randAccessory) {
            $product = new Product($accessories[$key]['id_product'], $context->language->id, $context->shop);

            $product->id_product_attribute = 0;
            $row['product'] = $product;
            $row['id_product'] = $product->id;
            $row['out_of_stock'] = $product->out_of_stock;
            $row['id_product_attribute'] = $product->id_product_attribute;
            $row['image_url'] =$this->getImage($product);
            $row['features'] = self::getFrontFeaturesStatic($context->language->id, $product->id, self::FEATURE_ID);

            $accessory = Product::getProductProperties($context->language->id, $row, $context);

            $showAccessories[] = $accessory;
        }

        if(isset($showAccessories)) {
            $context->smarty->assign(array('label' => $label, 'showAccessories' => $showAccessories));
        }
    }

    public function getImage(Product $product)
    {
        global $link;

        $image = ImageCore::getCover($product->id);
        $image_url = $link->getImageLink($product->link_rewrite, $image['id_image'], 'small_default');

        return $image_url;
    }
}