PhabricatorPhurlURLLongURLTransaction.php
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	<?php

	final class PhabricatorPhurlURLLongURLTransaction
	extends PhabricatorPhurlURLTransactionType {

	const TRANSACTIONTYPE = 'phurl.longurl';

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

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

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

	public function getTitleForFeed() {
	return pht(
	'%s changed the destination URL %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->getLongURL(), $xactions)) {
	$errors[] = $this->newRequiredError(
	pht('URL path is required'));
	}

	foreach ($xactions as $xaction) {
	if ($xaction->getOldValue() != $xaction->getNewValue()) {
	$protocols = PhabricatorEnv::getEnvConfig('uri.allowed-protocols');
	$uri = new PhutilURI($xaction->getNewValue());
	if (!isset($protocols[$uri->getProtocol()])) {
	$errors[] = $this->newRequiredError(
	pht('The protocol of the URL is invalid.'));
	}
	}
	}

	return $errors;
	}

	public function getIcon() {
	return 'fa-external-link-square';
	}

	}