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AlmanacBindingInterfaceTransaction.php
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Wed, Jul 31, 12:14

AlmanacBindingInterfaceTransaction.php
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<?php
final class AlmanacBindingInterfaceTransaction
extends AlmanacBindingTransactionType {
const TRANSACTIONTYPE = 'almanac:binding:interface';
public function generateOldValue($object) {
return $object->getInterfacePHID();
}
public function applyInternalEffects($object, $value) {
$interface = $this->loadInterface($value);
$object
->setDevicePHID($interface->getDevicePHID())
->setInterfacePHID($interface->getPHID());
}
public function applyExternalEffects($object, $value) {
// When we change which services a device is bound to, we need to
// recalculate whether it is a cluster device or not so we can tell if
// the "Can Manage Cluster Services" permission applies to it.
$viewer = PhabricatorUser::getOmnipotentUser();
$interface_phids = array();
$interface_phids[] = $this->getOldValue();
$interface_phids[] = $this->getNewValue();
$interface_phids = array_filter($interface_phids);
$interface_phids = array_unique($interface_phids);
$interfaces = id(new AlmanacInterfaceQuery())
->setViewer($viewer)
->withPHIDs($interface_phids)
->execute();
$device_phids = array();
foreach ($interfaces as $interface) {
$device_phids[] = $interface->getDevicePHID();
}
$device_phids = array_unique($device_phids);
$devices = id(new AlmanacDeviceQuery())
->setViewer($viewer)
->withPHIDs($device_phids)
->execute();
foreach ($devices as $device) {
$device->rebuildClusterBindingStatus();
}
}
public function getTitle() {
return pht(
'%s changed the interface for this binding from %s to %s.',
$this->renderAuthor(),
$this->renderOldHandle(),
$this->renderNewHandle());
}
public function validateTransactions($object, array $xactions) {
$errors = array();
$interface_phid = $object->getInterfacePHID();
if ($this->isEmptyTextTransaction($interface_phid, $xactions)) {
$errors[] = $this->newRequiredError(
pht('Bindings must specify an interface.'));
}
foreach ($xactions as $xaction) {
$interface_phid = $xaction->getNewValue();
$interface = $this->loadInterface($interface_phid);
if (!$interface) {
$errors[] = $this->newInvalidError(
pht(
'You can not bind a service to an invalid or restricted '.
'interface.'),
$xaction);
continue;
}
$binding = id(new AlmanacBindingQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->withServicePHIDs(array($object->getServicePHID()))
->withInterfacePHIDs(array($interface_phid))
->executeOne();
if ($binding && ($binding->getID() != $object->getID())) {
$errors[] = $this->newInvalidError(
pht(
'You can not bind a service to the same interface multiple '.
'times.'),
$xaction);
continue;
}
}
return $errors;
}
private function loadInterface($phid) {
return id(new AlmanacInterfaceQuery())
->setViewer($this->getActor())
->withPHIDs(array($phid))
->executeOne();
}
}

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