OpenCart 🇺🇦

if ($this->config->get('google_base_status')) { 
	$output  = '<?xml version="1.0" encoding="UTF-8" ?>';
	$output .= '<rss version="2.0" xmlns:g="http://base.google.com/ns/1.0">';
	$output .= '<channel>';
	$output .= '<title>' . $this->config->get('config_name') . '</title>'; 
	$output .= '<description>' . $this->config->get('config_meta_description') . '</description>';
	$output .= '<link>' . HTTP_SERVER . '</link>';

	$this->load->model('catalog/category');

	$this->load->model('catalog/product');

	$this->load->model('tool/image');

	$products = $this->model_catalog_product->getProducts();

	foreach ($products as $product) {
		if ($product['description']) {
			$output .= '<item>';
			$output .= '<title>' . $product['name'] . '</title>';
			$output .= '<link>' . $this->url->link('product/product', 'product_id=' . $product['product_id']) . '</link>';
			$output .= '<description>' . $product['description'] . '</description>';
			$output .= '<g:brand>' . html_entity_decode($product['manufacturer'], ENT_QUOTES, 'UTF-8') . '</g:brand>';
			$output .= '<g:condition>new</g:condition>';
			$output .= '<g:id>' . $product['product_id'] . '</g:id>';

			if ($product['image']) {
				$output .= '<g:image_link>' . $this->model_tool_image->resize($product['image'], 500, 500) . '</g:image_link>';
			} else {
				$output .= '<g:image_link>' . $this->model_tool_image->resize('no_image.jpg', 500, 500) . '</g:image_link>';
			}

			$output .= '<g:mpn>' . $product['model'] . '</g:mpn>';

			$currencies = array(
				'USD', 
				'EUR', 
				'GBP'
			);

			if (in_array($this->currency->getCode(), $currencies)) {
				$currency_code = $this->currency->getCode();
				$currency_value = $this->currency->getValue();
			} else {
				$currency_code = 'USD';
				$currency_value = $this->currency->getValue('USD');
			}

			if ((float)$product['special']) {
				$output .= '<g:price>' .  $this->currency->format($this->tax->calculate($product['special'], $product['tax_class_id']), $currency_code, $currency_value, false) . '</g:price>';
			} else {
				$output .= '<g:price>' . $this->currency->format($this->tax->calculate($product['price'], $product['tax_class_id']), $currency_code, $currency_value, false) . '</g:price>';
			}

			$categories = $this->model_catalog_product->getCategories($product['product_id']);

			foreach ($categories as $category) {
				$path = $this->getPath($category['category_id']);

				if ($path) {
					$string = '';

					foreach (explode('_', $path) as $path_id) {
						$category_info = $this->model_catalog_category->getCategory($path_id);

						if ($category_info) {
							if (!$string) {
								$string = $category_info['name'];
							} else {
								$string .= ' &gt; ' . $category_info['name'];
							}
						}
					}

					$output .= '<g:product_type>' . $string . '</g:product_type>';
				}
			}

			$output .= '<g:quantity>' . $product['quantity'] . '</g:quantity>';
			$output .= '<g:upc>' . $product['upc'] . '</g:upc>'; 
			$output .= '<g:weight>' . $this->weight->format($product['weight'], $product['weight_class_id']) . '</g:weight>';
			$output .= '<g:availability>' . ($product['quantity'] ? 'in stock' : 'out of stock') . '</g:availability>';
			$output .= '</item>';
		}
	}

	$output .= '</channel>'; 
	$output .= '</rss>';	

	$this->response->addHeader('Content-Type: application/rss+xml');
	$this->response->setOutput($output);
}

$category_info = $this->model_catalog_category->getCategory($parent_id);

if ($category_info) {
	if (!$current_path) {
		$new_path = $category_info['category_id'];
	} else {
		$new_path = $category_info['category_id'] . '_' . $current_path;
	}	

	$path = $this->getPath($category_info['parent_id'], $new_path);

	if ($path) {
		return $path;
	} else {
		return $new_path;
	}
}