public function deleteContextScript($contextscript)
{
$script = ContextScript::getContextScript($contextscript);
if ($script === null || intval($script->id) <= 0) {
return true;
}
//Check ownership
if ($this->ownsScript($script) === false) {
throw new Exception("Cannot remove contextualization script of a different software appliance");
}
//Remove contextscript association with context
$assoc = $this->getScriptAssociation($script->id);
if ($assoc !== null) {
$assoc->getMapper()->delete($assoc);
}
//Remove vmi intances association with context script
$images = new Default_Model_VMIinstanceContextScripts();
$images->filter->contextscriptid->numequals($script->id);
if (count($images->items) > 0) {
foreach ($images->items as $item) {
$images->remove($item);
}
}
//Remove contextscript
$scripts = new Default_Model_ContextScripts();
$scripts->filter->id->equals($script->id);
if (count($scripts->items) > 0) {
ContextualizationStorage::remove($script, $this->entry, $this->user->id);
$scripts->remove($scripts->items[0]);
}
$this->handleEntityRelations();
$this->save();
return true;
}
private static function removeRelatedScript($id, $script, $userid, $usetransaction = true)
{
try {
$vmiinstanceid = 0;
if ($usetransaction) {
db()->beginTransaction();
}
$vmis = new Default_Model_VMIinstanceContextScripts();
$vmis->filter->id->numequals($id);
if (count($vmis->items) > 0) {
$vmi = $vmis->items[0];
if ($vmi->contextscriptid === $script->id) {
$vmiinstanceid = $vmi->vmiinstanceid;
$vmis->remove($vmi);
}
}
$vmis = new Default_Model_VMIinstanceContextScripts();
$vmis->filter->contextscriptid->numequals($script->id);
if (count($vmis->items) === 0) {
//The script is not longer used. Remove it.
$scripts = new Default_Model_ContextScripts();
$scripts->filter->id->numequals($script->id);
if (count($scripts->items) > 0) {
VapplianceStorage::remove($scripts->items[0], $vmiinstanceid, $userid);
$scripts->remove($scripts->items[0]);
}
}
if ($usetransaction) {
db()->commit();
}
} catch (Exception $ex) {
if ($usetransaction) {
db()->rollback();
return $ex->getMessage();
} else {
throw $ex;
}
}
return true;
}
private static function deleteContextScripts($vmiinstanceid)
{
$scriptids = array();
$vmiscripts = new Default_Model_VMIinstanceContextScripts();
$vmiscripts->filter->vmiinstanceid->numequals($vmiinstanceid);
if (count($vmiscripts->items) > 0) {
foreach ($vmiscripts->items as $item) {
$scriptids[] = $item->contextscriptid;
$vmiscripts->remove($item);
}
}
$scriptids = array_unique($scriptids);
//check if the referenced scripts have relations
//if no relation found remove them from db.
foreach ($scriptids as $id) {
$vmiscripts = new Default_Model_VMIinstanceContextScripts();
$vmiscripts->filter->contextscriptid->numequals($id);
if (count($vmiscripts->items) === 0) {
$scripts = new Default_Model_ContextScripts();
$scripts->filter->id->numequals($id);
if (count($scripts->items) > 0) {
$scripts->remove($scripts->items[0]);
}
}
}
}