Use filters to control who can view and purchase products when using WooCommerce Catalog Visibility Options.

catalog-visibility-options-filters

function set_catalog_visibility_user_can_purchase($result, $product){
  $result = false; //set the default. 
	
	//create an array of roles and their assoicated categories. 
	$allowed = array(
	    'customer' => array(
		'bakeware',
		'appliances', 
		'category-1',
	    ), 
	    'another-role' => array(
		'category-1', 
		'category-2', 
	    )
	);
	
	//get the product categories. 
	$product_categories = wp_get_post_terms($product->id, 'product_cat', array('fields' => 'slugs'));
	
	//find the first role the user is in and check if any of the categories for the role match any of the product categories. 
	foreach($allowed as $role => $allowed_categories){
		if (current_user_can($role)){
			if (count(array_intersect($allowed_categories, $product_categories)) > 0) {
				$result = true;
				break;
			}
		}
	}
	
	return $result;
}
add_filter('catalog_visibility_user_can_purchase', 'set_catalog_visibility_user_can_purchase', 10, 2);



function set_catalog_visibility_user_can_view_price($result, $product){
	$result = false; //set the default. 
	
	//create an array of roles and their assoicated categories. 
	$allowed = array(
	    'customer' => array(
		'bakeware',
		'appliances', 
		'category-1',
	    ), 
	    'another-role' => array(
		'category-1', 
		'category-2', 
	    )
	);
	
	//get the product categories. 
	$product_categories = wp_get_post_terms($product->id, 'product_cat', array('fields' => 'slugs'));
	
	//find the first role the user is in and check if any of the categories for the role match any of the product categories. 
	foreach($allowed as $role => $allowed_categories){
		if (current_user_can($role)){
			if (count(array_intersect($allowed_categories, $product_categories)) > 0) {
				$result = true;
				break;
			}
		}
	}
	
	return $result;
}
add_filter('catalog_visibility_user_can_view_price', 'set_catalog_visibility_user_can_view_price', 10, 2);