testing

PonderAnswerHistoryController.php
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			<?php

			final class PonderAnswerHistoryController extends PonderController {

			private $id;

			public function willProcessRequest(array $data) {
			$this->id = $data['id'];
			}

			public function processRequest() {
			$request = $this->getRequest();
			$viewer = $request->getUser();

			$answer = id(new PonderAnswerQuery())
			->setViewer($viewer)
			->withIDs(array($this->id))
			->executeOne();
			if (!$answer) {
			return new Aphront404Response();
			}

			$xactions = id(new PonderAnswerTransactionQuery())
			->setViewer($viewer)
			->withObjectPHIDs(array($answer->getPHID()))
			->execute();

			$engine = id(new PhabricatorMarkupEngine())
			->setViewer($viewer);
			foreach ($xactions as $xaction) {
			if ($xaction->getComment()) {
			$engine->addObject(
			$xaction->getComment(),
			PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
			}
			}
			$engine->process();

			$timeline = id(new PhabricatorApplicationTransactionView())
			->setUser($viewer)
			->setObjectPHID($answer->getPHID())
			->setTransactions($xactions)
			->setMarkupEngine($engine);

			$qid = $answer->getQuestion()->getID();
			$aid = $answer->getID();

			$crumbs = $this->buildApplicationCrumbs();
			$crumbs->addTextCrumb("Q{$qid}", "/Q{$qid}");
			$crumbs->addTextCrumb("A{$aid}", "/Q{$qid}#{$aid}");
			$crumbs->addTextCrumb(pht('History'));

			return $this->buildApplicationPage(
			array(
			$crumbs,
			$timeline,
			),
			array(
			'title' => pht('Answer History'),
			));
			}

			}