better-testing

PhamePostBlogTransaction.php
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			<?php

			final class PhamePostBlogTransaction
			extends PhamePostTransactionType {

			const TRANSACTIONTYPE = 'phame.post.blog';

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

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

			public function getTitle() {
			return pht(
			'%s changed the blog for this post.',
			$this->renderAuthor());
			}

			public function getTitleForFeed() {
			return pht(
			'%s changed the blog for post %s.',
			$this->renderAuthor(),
			$this->renderObject());
			}

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

			if ($this->isEmptyTextTransaction($object->getBlogPHID(), $xactions)) {
			$errors[] = $this->newRequiredError(
			pht('Posts must be attached to a blog.'));
			}

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

			$blog = id(new PhameBlogQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($new_phid))
			->requireCapabilities(
			array(
			PhabricatorPolicyCapability::CAN_VIEW,
			PhabricatorPolicyCapability::CAN_EDIT,
			))
			->execute();

			if ($blog) {
			continue;
			}

			$errors[] = $this->newInvalidError(
			pht('The specified blog PHID ("%s") is not valid. You can only '.
			'create a post on (or move a post into) a blog which you '.
			'have permission to see and edit.',
			$new_phid));
			}

			return $errors;
			}

			}