/**
* Caches menu items for a given entity and returns an array of the menu items
*
* @param \StaticPage $root_entity Root entity to fetch the menu items for
*
* @return array|false
*/
public static function generateMenuItemsCache(\StaticPage $root_entity)
{
if (!$root_entity instanceof \StaticPage) {
return false;
}
$static_items = [];
$priority = (int) $root_entity->order;
if (empty($priority)) {
$priority = (int) $root_entity->time_created;
}
$root_menu_options = ['name' => $root_entity->getGUID(), 'rel' => $root_entity->getGUID(), 'href' => $root_entity->getURL(), 'text' => elgg_format_element('span', [], $root_entity->title), 'priority' => $priority, 'section' => 'static'];
if ($root_entity->canEdit()) {
$root_menu_options['itemClass'] = ['static-sortable'];
}
// add main menu items
$static_items[$root_entity->getGUID()] = \ElggMenuItem::factory($root_menu_options);
// add all sub menu items so they are cacheable
$ia = elgg_set_ignore_access(true);
$submenu_entities = elgg_get_entities_from_relationship(['type' => 'object', 'subtype' => \StaticPage::SUBTYPE, 'relationship_guid' => $root_entity->getGUID(), 'relationship' => 'subpage_of', 'limit' => false, 'inverse_relationship' => true]);
if ($submenu_entities) {
foreach ($submenu_entities as $submenu_item) {
if (!has_access_to_entity($submenu_item) && !$submenu_item->canEdit()) {
continue;
}
$priority = (int) $submenu_item->order;
if (empty($priority)) {
$priority = (int) $submenu_item->time_created;
}
$static_items[$submenu_item->getGUID()] = \ElggMenuItem::factory(['name' => $submenu_item->getGUID(), 'rel' => $submenu_item->getGUID(), 'href' => $submenu_item->getURL(), 'text' => elgg_format_element('span', [], $submenu_item->title), 'priority' => $priority, 'parent_name' => $submenu_item->getContainerGUID(), 'section' => 'static']);
}
}
elgg_set_ignore_access($ia);
$file = new \ElggFile();
$file->owner_guid = $root_entity->getGUID();
$file->setFilename('static_menu_item_cache');
$file->open('write');
$file->write(serialize($static_items));
$file->close();
return $static_items;
}
