public static function initContextualization($app, $user = null)
{
$swapp = null;
$person = null;
//Get Software appliance
if ($app instanceof Default_Model_Application) {
$swapp = $app;
} else {
$swapp = EntityTypes::getEntity("swappliance", $app);
}
if ($swapp === null) {
return null;
}
//Get user actor
if ($user instanceof Default_Model_Researcher) {
$person = $user;
} else {
$ps = new Default_Model_Researchers();
if (is_numeric($user)) {
$ps->filter->id->numequals($user);
} else {
if (is_string($user)) {
$ps->filter->guid->equals($user);
}
}
if (count($ps->items) > 0) {
$person = $ps->items[0];
}
}
//Check if software appliance has associated contextualization
//If NOT create a new entry and return its Contextualization
//class instance
$context = self::getContextualizationForSWAppliance($swapp);
if ($context === null) {
$context = new Default_Model_Context();
$context->applicationID = $swapp->id;
if ($person !== null) {
$context->addedbyID = $person->id;
}
$context->save();
}
return new Contextualization($context, $person);
}
public static function syncRelations($entityguid, $userid, $relations = array(), $reverse = false, $unrelateold = true)
{
$entityname = EntityTypes::getTypeByGuid($entityguid);
if ($entityname === null) {
return "Object entity type not found for relation";
}
$subject = EntityTypes::getEntity($entityname, $entityguid);
$subjectguid = $subject->guid;
$newrels = array();
foreach ($relations as $r) {
if (is_numeric($r["targetguid"])) {
$imp = Harvest::importRecord($r["targetguid"], $userid);
if (is_string($imp) === true || $imp === false) {
throw new Exception($imp);
}
$r["targetguid"] = $imp->guid;
}
$newrelation = EntityRelations::relate($r["id"], $entityguid, $r["targetguid"], $userid, $r["parentid"], $reverse);
if (is_string($newrelation)) {
throw new Exception($newrelation);
}
$newrels[] = $newrelation->id;
}
//remove old ones
if ($unrelateold === true) {
$dels = EntityRelations::unrelateAll($subjectguid, $newrels, $reverse);
if ($dels !== true) {
throw new Exception($dels);
}
}
return true;
}
