wp-wc-determine-category-level

Check if current archive is a category listing or if it is the lowest level category, in which case, list products. Useful for having different styles for products and categories.
```
/**
 * Determine if a listing page us a category with subcategories, or a category with products
 * @return string
 */
function get_wc_list_type() {
	$term 		= get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) ); // get current term
	$parent 	= get_term($term->parent, get_query_var('taxonomy') ); // get parent term
	$children 	= get_term_children($term->term_id, get_query_var('taxonomy')); // get children

	// If there's a parent, then proceed with further checks
	if (!empty($parent) && !is_wp_error($parent)) {

		if( ($parent->term_id != "" && sizeof($children) > 0) ) {
			return "category";
		} elseif ( ($parent->term_id != "") && (sizeof($children) == 0) ) {
			return "products";
		} elseif ( ($parent->term_id == "") && (sizeof($children) > 0) ) {
			return "category";
		}

	} else { // If there is no parent, assume top level category (THIS NEEDS FURTHER WORK, since we shouldn't assume)
		if( sizeof($children) == 0 ){
			return "products";
		} else {
			return "category";
		}
	}
}
```