/**
* @param ManyManyList $products
*/
public function updateRelatedProducts(&$products, $limit, $random)
{
$curCount = $products->count();
if ($curCount < $limit) {
$cfg = Config::inst()->forClass(get_class($this->owner));
$class = $cfg->get('related_products_class');
// look up the fields
$fields = $cfg->get('related_products_fields');
if (empty($fields)) {
return;
}
if (!is_array($fields)) {
$fields = array($fields);
}
// create a filter from the fields
$filter = array();
foreach ($fields as $f) {
$filter[$f] = $this->owner->getField($f);
}
// Convert to an array list so we can add to it
$products = new ArrayList($products->toArray());
// Look up products that match the filter
$generated = DataObject::get($class)->filterAny($filter)->exclude('ID', $this->owner->ID)->sort('RAND()')->limit($limit - $curCount);
foreach ($generated as $prod) {
$products->push($prod);
}
}
}
