Display WooCommerce Digital Download Files for WordPress https://codeboxr.com/display-woocommerce-digital-download-files/

cbxwoodigitalfiles-shortcode.php

/**
 * on init call shortcode function
 */
add_action('init', 'init_shortcodes');

/**
 * Init shortcodes
 */
function init_shortcodes(){
	add_shortcode('cbxwoodigitalfiles_simple_product', 'cbxwoodigitalfiles_simple_product_display');
	add_shortcode('cbxwoodigitalfiles_variation_product', 'cbxwoodigitalfiles_variation_product_display');
}//end method init_shortcodes

/**
 * Display digital file for simple product
 *
 * @param $atts
 */
function cbxwoodigitalfiles_simple_product_display($atts){
	// normalize attribute keys, lowercase
	$atts = array_change_key_case((array)$atts, CASE_LOWER);

	$atts                      = shortcode_atts(
		array(
			'id' => 0, //this is product id				
		), $atts, 'cbxwoodigitalfiles_simple_product' );

	$id = isset($atts['id'])? intval($atts['id']) : 0;
	if($id > 0 && class_exists('WC_Product')){
		$product = new WC_Product( $id );

		if($product->is_type( 'simple' ) && $product->is_downloadable( 'yes' )){
			if($product->has_file()){
				$item_downloads = $product->get_downloads();

				$output = '<ul class="cbxwfpquickcheckout_files cbxwfpquickcheckout_files_simple">';

				foreach ($item_downloads as $item_download){
					$file_id = $item_download->get_id();
					$file_name = $item_download->get_name();
					$file_file = $item_download->get_file();

					$output .= '<li><a href="#">'.esc_attr(wp_unslash($file_name)).'</a></li>';
				}

				$output .= '</ul>';

				return $output;

			}

		}
	}


}//end method cbxwoodigitalfiles_simple_product_display

/**
 * Display files name for variation product
 *
 * @param $atts
 */
function cbxwoodigitalfiles_variation_product_display($atts){
	$atts                      = shortcode_atts(
		array(
			'id' => 0, //variation id, this is not product id			
		), $atts, 'cbxwoodigitalfiles_variation_product' );

	$id = isset($atts['id'])? intval($atts['id']) : 0;
	if($id > 0 && class_exists('WC_Product_Variation')){
		$product = new WC_Product_Variation( $id );
		if($product->is_downloadable( 'yes' ) && $product->has_file()){
			$item_downloads = $product->get_downloads();

			$output = '<ul class="cbxwfpquickcheckout_files cbxwfpquickcheckout_files_variation">';

			foreach ($item_downloads as $item_download){
				$file_id = $item_download->get_id();
				$file_name = $item_download->get_name();
				$file_file = $item_download->get_file();

				$output .= '<li><a href="#">'.esc_attr(wp_unslash($file_name)).'</a></li>';
			}

			$output .= '</ul>';

			return $output;

		}
	}

}//end method cbxwoodigitalfiles_variation_product_display