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NuanceCommandImplementation.php
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Created
Fri, Nov 22, 09:51

NuanceCommandImplementation.php
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<?php
abstract class NuanceCommandImplementation
extends Phobject {
private $actor;
private $transactionQueue = array();
final public function setActor(PhabricatorUser $actor) {
$this->actor = $actor;
return $this;
}
final public function getActor() {
return $this->actor;
}
abstract public function getCommandName();
abstract public function canApplyToItem(NuanceItem $item);
public function canApplyImmediately(
NuanceItem $item,
NuanceItemCommand $command) {
return false;
}
abstract protected function executeCommand(
NuanceItem $item,
NuanceItemCommand $command);
final public function applyCommand(
NuanceItem $item,
NuanceItemCommand $command) {
$command_key = $command->getCommand();
$implementation_key = $this->getCommandKey();
if ($command_key !== $implementation_key) {
throw new Exception(
pht(
'This command implementation("%s") can not apply a command of a '.
'different type ("%s").',
$implementation_key,
$command_key));
}
if (!$this->canApplyToItem($item)) {
throw new Exception(
pht(
'This command implementation ("%s") can not be applied to an '.
'item of type "%s".',
$implementation_key,
$item->getItemType()));
}
$this->transactionQueue = array();
$command_type = NuanceItemCommandTransaction::TRANSACTIONTYPE;
$command_xaction = $this->newTransaction($command_type);
$result = $this->executeCommand($item, $command);
$xactions = $this->transactionQueue;
$this->transactionQueue = array();
$command_xaction->setNewValue(
array(
'command' => $command->getCommand(),
'parameters' => $command->getParameters(),
'result' => $result,
));
// TODO: Maybe preserve the actor's original content source?
$source = PhabricatorContentSource::newForSource(
PhabricatorDaemonContentSource::SOURCECONST);
$actor = $this->getActor();
id(new NuanceItemEditor())
->setActor($actor)
->setActingAsPHID($command->getAuthorPHID())
->setContentSource($source)
->setContinueOnMissingFields(true)
->setContinueOnNoEffect(true)
->applyTransactions($item, $xactions);
}
final public function getCommandKey() {
return $this->getPhobjectClassConstant('COMMANDKEY');
}
final public static function getAllCommands() {
return id(new PhutilClassMapQuery())
->setAncestorClass(__CLASS__)
->setUniqueMethod('getCommandKey')
->execute();
}
protected function newTransaction($type) {
$xaction = id(new NuanceItemTransaction())
->setTransactionType($type);
$this->transactionQueue[] = $xaction;
return $xaction;
}
protected function newStatusTransaction($status) {
return $this->newTransaction(NuanceItemStatusTransaction::TRANSACTIONTYPE)
->setNewValue($status);
}
}

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