protected function generateProductsData()
    {
        $delimiter = ';';
        $titles = array();
        $id_lang = $this->use_lang;
        $new_path = new Sampledatainstall();
        $f = fopen($new_path->sendPath() . 'output/products.vsc', 'w');
        foreach ($this->product_fields as $field => $array) {
            $titles[] = $array['label'];
        }
        fputcsv($f, $titles, $delimiter, '"');
        $products = Product::getProducts($id_lang, 0, 0, 'id_product', 'ASC', false, true);
        foreach ($products as $product) {
            $line = array();
            $p = new Product($product['id_product'], true, $id_lang, 1);
            foreach ($this->product_fields as $field => $array) {
                $line[$field] = property_exists('Product', $field) && !is_array($p->{$field}) && !Tools::isEmpty($p->{$field}) ? $p->{$field} : '';
            }
            $cats = $p->getProductCategoriesFull($p->id, 1);
            $cat_array = array();
            foreach ($cats as $cat) {
                $cat_array[] = $cat['id_category'];
            }
            $line['categories'] = implode(',', $cat_array);
            $line['price_tex'] = $p->getPrice(false);
            $line['price_tin'] = $p->getPrice(true);
            $line['upc'] = $p->upc ? $p->upc : '';
            $line['features'] = '';
            $features = $p->getFrontFeatures($id_lang);
            $position = 1;
            $devider = '';
            foreach ($features as $feature) {
                $sql = 'SELECT `id_feature`
						FROM ' . _DB_PREFIX_ . 'feature_lang
						WHERE `name` = "' . pSql($feature['name']) . '"';
                $sql1 = 'SELECT `id_feature_value`
						FROM ' . _DB_PREFIX_ . 'feature_value_lang
						WHERE `value` = "' . pSql($feature['value']) . '"';
                $id_feature = Db::getInstance()->getValue($sql);
                $id_feature_value = Db::getInstance()->getValue($sql1);
                $line['features'] .= $devider . $id_feature . ':' . $id_feature_value . ':' . $position;
                $devider = ',';
                $position++;
            }
            $specificPrice = SpecificPrice::getSpecificPrice($p->id, 1, 0, 0, 0, 0);
            $line['reduction_price'] = '';
            $line['reduction_percent'] = '';
            $line['reduction_from'] = '';
            $line['reduction_to'] = '';
            if ($specificPrice) {
                if ($specificPrice['reduction_type'] == 'amount') {
                    $line['reduction_price'] = $specificPrice['reduction'];
                } elseif ($specificPrice['reduction_type'] == 'percent') {
                    $line['reduction_percent'] = $specificPrice['reduction'];
                }
                if ($line['reduction_price'] !== '' || $line['reduction_percent'] !== '') {
                    $line['reduction_from'] = $specificPrice['from'];
                    $line['reduction_to'] = $specificPrice['to'];
                }
            }
            $tags = $p->getTags($id_lang);
            $line['tags'] = $tags;
            $link = new Link();
            $imagelinks = array();
            $images = $p->getImages($id_lang);
            foreach ($images as $image) {
                $imagelink = Tools::getShopProtocol() . $link->getImageLink($p->link_rewrite, $p->id . '-' . $image['id_image']);
                $this->copyConverFileName($imagelink);
                $imagelinks[] = $imagelink;
            }
            $line['image'] = implode(',', $imagelinks);
            $line['delete_existing_images'] = 0;
            $line['shop'] = 1;
            $warehouses = Warehouse::getWarehousesByProductId($p->id);
            $line['warehouse'] = '';
            if (!empty($warehouses)) {
                $line['warehouse'] = implode(',', array_map("{$this->getWarehouses}", $warehouses));
            }
            $values = array();
            $accesories = $p->getAccessories($id_lang);
            if (isset($accesories) && $accesories && count($accesories)) {
                foreach ($accesories as $accesorie) {
                    $values[] = $accesorie['id_product'];
                }
            }
            $line['accessories'] = $values ? implode(',', $values) : '';
            $values = array();
            $carriers = $p->getCarriers();
            if (isset($carriers) && $carriers && count($carriers)) {
                foreach ($carriers as $carrier) {
                    $values[] = $carrier['id_carrier'];
                }
            }
            $line['carriers'] = $values ? implode(',', $values) : '';
            $values = array();
            $customization_fields_ids = $p->getCustomizationFieldIds();
            if (class_exists('CustomizationField') && isset($customization_fields_ids) && $customization_fields_ids && count($customization_fields_ids)) {
                foreach ($customization_fields_ids as $customization_field_id) {
                    $cf = new CustomizationField($customization_field_id['id_customization_field'], $this->use_lang);
                    $values[] = $cf->id . ':' . $cf->type . ':' . $cf->required . ':' . $cf->name;
                }
            }
            $line['customization_fields_ids'] = $values ? implode(',', $values) : '';
            $values = array();
            $attachments = $p->getAttachments($this->use_lang);
            if (isset($attachments) && $attachments && count($attachments)) {
                foreach ($attachments as $attachment) {
                    $values[] = $attachment['id_attachment'];
                }
            }
            $line['attachments'] = $values ? implode(',', $values) : '';
            if (!property_exists('Product', 'base_price')) {
                // for versions < 1.6.0.13
                $line['base_price'] = !is_array($p->base_price) && !Tools::isEmpty($p->base_price) ? $p->base_price : '';
            }
            if (!$line[$field]) {
                $line[$field] = '';
            }
            fputcsv($f, $line, $delimiter, '"');
        }
        fclose($f);
    }