HeraldWebhookStatusTransaction.php
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	<?php

	final class HeraldWebhookStatusTransaction
	extends HeraldWebhookTransactionType {

	const TRANSACTIONTYPE = 'status';

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

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

	public function getTitle() {
	$old_value = $this->getOldValue();
	$new_value = $this->getNewValue();

	$old_status = HeraldWebhook::getDisplayNameForStatus($old_value);
	$new_status = HeraldWebhook::getDisplayNameForStatus($new_value);

	return pht(
	'%s changed hook status from %s to %s.',
	$this->renderAuthor(),
	$this->renderValue($old_status),
	$this->renderValue($new_status));
	}

	public function getTitleForFeed() {
	$old_value = $this->getOldValue();
	$new_value = $this->getNewValue();

	$old_status = HeraldWebhook::getDisplayNameForStatus($old_value);
	$new_status = HeraldWebhook::getDisplayNameForStatus($new_value);

	return pht(
	'%s changed %s from %s to %s.',
	$this->renderAuthor(),
	$this->renderObject(),
	$this->renderValue($old_status),
	$this->renderValue($new_status));
	}

	public function validateTransactions($object, array $xactions) {
	$errors = array();
	$viewer = $this->getActor();

	$options = HeraldWebhook::getStatusDisplayNameMap();

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

	if (!isset($options[$new_value])) {
	$errors[] = $this->newInvalidError(
	pht(
	'Webhook status "%s" is not valid. Valid statuses are: %s.',
	$new_value,
	implode(', ', array_keys($options))),
	$xaction);
	}
	}

	return $errors;
	}

	}