View details/Add to cart button switcher

[psynaptic]

I'm trying to hack the Add to Cart buttons in the product listing so that when a product has attributes it shows a 'View Details' instead of 'Add to Cart' button. I found a contribution that changes all Add to Cart buttons on pages other than product_info to View Details:

 

View Details instead of Add to Cart

 

However, I would really like to have the buttons switch between Add to Cart and View Details depending on if the product has attributes or not. I have tried doing the following in modules/product_listing.php:

         case 'PRODUCT_LIST_BUY_NOW':
           $lc_align = 'center';
           $lc_text = '<a href="' . tep_href_link(basename($PHP_SELF), tep_get_all_get_params(array('action')) . 'action=buy_now&products_id=' . $listing['products_id']) . '">' . tep_image_button('button_buy_now.gif', IMAGE_BUTTON_BUY_NOW) . '</a> ';

	if (tep_has_product_attributes($HTTP_GET_VARS['products_id'])) {
             $lc_text .= 'has attributes';
           } else {
             $lc_text .= 'no attributes';
		}

This is an effort to find out if tep_has_product_attributes will work for what I want to achieve. Unfortunately, it just echos 'no attributes' whether the product has them or not.

 

Does anyone know why it's not working?

[psynaptic]

If anyone need an answer to this: See this thread.