AlmanacNetworkNameTransaction.php
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	<?php

	final class AlmanacNetworkNameTransaction
	extends AlmanacNetworkTransactionType {

	const TRANSACTIONTYPE = 'almanac:network:name';

	public function generateOldValue($object) {
	return $object->getName();
	}

	public function applyInternalEffects($object, $value) {
	$object->setName($value);
	}

	public function getTitle() {
	return pht(
	'%s renamed this network from %s to %s.',
	$this->renderAuthor(),
	$this->renderOldValue(),
	$this->renderNewValue());
	}

	public function getTitleForFeed() {
	return pht(
	'%s renamed %s from %s to %s.',
	$this->renderAuthor(),
	$this->renderObject(),
	$this->renderOldValue(),
	$this->renderNewValue());
	}

	public function validateTransactions($object, array $xactions) {
	$errors = array();

	if ($this->isEmptyTextTransaction($object->getName(), $xactions)) {
	$errors[] = $this->newRequiredError(
	pht('Network name is required.'));
	}

	foreach ($xactions as $xaction) {
	$name = $xaction->getNewValue();

	$message = null;
	try {
	AlmanacNames::validateName($name);
	} catch (Exception $ex) {
	$message = $ex->getMessage();
	}

	if ($message !== null) {
	$errors[] = $this->newInvalidError($message, $xaction);
	continue;
	}

	if ($name === $object->getName()) {
	continue;
	}

	$other = id(new AlmanacNetworkQuery())
	->setViewer(PhabricatorUser::getOmnipotentUser())
	->withNames(array($name))
	->executeOne();
	if ($other && ($other->getID() != $object->getID())) {
	$errors[] = $this->newInvalidError(
	pht('Almanac networks must have unique names.'),
	$xaction);
	continue;
	}
	}

	return $errors;
	}

	}