protected function getFallbackPlugin()
{
if (!isset($this->fallback_plugin)) {
$this->fallback_plugin = false;
if (($site = elgg_get_site_entity($this->site_guid)) && elgg_instanceof($site, "site", Subsite::SUBTYPE, "Subsite")) {
if (subsite_manager_check_global_plugin_setting($this->getID(), "fallback_to_main_settings")) {
// ignore access for this part, as plugins are public
$old_ia = elgg_set_ignore_access(true);
// do we already know the fallback plugin
$fallback_plugin_guid = (int) parent::getPrivateSetting("fallback_plugin_guid");
if (!empty($fallback_plugin_guid)) {
if ($temp_plugin = get_entity($fallback_plugin_guid)) {
if (elgg_instanceof($temp_plugin, "object", "plugin")) {
$this->fallback_plugin = $temp_plugin;
}
}
// something is wrong with the guid, cleanup
if (empty($this->fallback_plugin)) {
parent::removePrivateSetting("fallback_plugin_guid");
}
}
// we haven't found a falback plugin yet (or it is invalid)
if (empty($this->fallback_plugin)) {
$options = array("type" => "object", "subtype" => "plugin", "limit" => 1, "site_guids" => array($site->getOwnerGUID()), "joins" => array("JOIN " . elgg_get_config("dbprefix") . "objects_entity oe ON e.guid = oe.guid"), "wheres" => array("(oe.title = '" . $this->getID() . "')"));
if ($plugins = elgg_get_entities($options)) {
$temp_plugin = $plugins[0];
$this->fallback_plugin = $temp_plugin;
parent::setPrivateSetting("fallback_plugin_guid", $temp_plugin->getGUID());
} else {
// we should have found a main plugin, but didn't log this
elgg_log("Subsite plugin(" . $this->getID() . ") with fallback didnt find main plugin", "ERROR");
}
}
// restore access settings
elgg_set_ignore_access($old_ia);
}
}
}
return $this->fallback_plugin;
}
