PhabricatorPackagesPackageKeyTransaction.php
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PhabricatorPackagesPackageKeyTransaction.php
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			<?php

			final class PhabricatorPackagesPackageKeyTransaction
			extends PhabricatorPackagesPackageTransactionType {

			const TRANSACTIONTYPE = 'packages.package.key';

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

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

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

			if ($this->isEmptyTextTransaction($object->getName(), $xactions)) {
			$errors[] = $this->newRequiredError(
			pht(
			'Each package provided by a publisher must have a '.
			'unique package key.'));
			return $errors;
			}

			if (!$this->isNewObject()) {
			foreach ($xactions as $xaction) {
			$errors[] = $this->newInvalidError(
			pht('Once a package is created, its key can not be changed.'),
			$xaction);
			}
			}

			foreach ($xactions as $xaction) {
			$value = $xaction->getNewValue();
			try {
			PhabricatorPackagesPackage::assertValidPackageKey($value);
			} catch (Exception $ex) {
			$errors[] = $this->newInvalidError($ex->getMessage(), $xaction);
			}
			}

			return $errors;
			}

			}