/**
* Returns an array of collections as a breadcrumb to the current page
* @param Page $c
* @return array $cArray
*/
public function getTrailToCollection($c)
{
$db = Loader::db();
$cArray = array();
$currentcParentID = $c->getCollectionParentID();
if ($currentcParentID > 0) {
while (is_numeric($currentcParentID) && $currentcParentID > 0 && $currentcParentID) {
$q = "select cID, cParentID from Pages where cID = '{$currentcParentID}'";
$r = $db->query($q);
$row = $r->fetchRow();
if ($row['cID']) {
$cArray[] = Page::getByID($row['cID'], 'ACTIVE');
}
$currentcParentID = $row['cParentID'];
// moving up the tree until we hit 1
}
}
return $cArray;
}
/**
* Observes the updates of walk pages, to clear its cache
*/
public function on_page_update(Page $self)
{
// Clear out the parent cache entry
$parent = Page::getByID($self->getCollectionParentID());
Cache::delete('page_' . $parent->getCollectionTypeHandle(), $parent->getCollectionId());
// Clear out the parent full-page cache
$pageCache = PageCache::getLibrary();
$pageCache->purge($parent);
}
