PhabricatorFeedBuilder.php
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	<?php

	final class PhabricatorFeedBuilder {

	private $stories;
	private $framed;

	public function __construct(array $stories) {
	assert_instances_of($stories, 'PhabricatorFeedStory');
	$this->stories = $stories;
	}

	public function setFramed($framed) {
	$this->framed = $framed;
	return $this;
	}

	public function setUser(PhabricatorUser $user) {
	$this->user = $user;
	return $this;
	}

	public function buildView() {
	if (!$this->user) {
	throw new Exception('Call setUser() before buildView()!');
	}

	$user = $this->user;
	$stories = $this->stories;

	$null_view = new AphrontNullView();

	require_celerity_resource('phabricator-feed-css');

	$last_date = null;
	foreach ($stories as $story) {
	$story->setFramed($this->framed);

	$date = ucfirst(phabricator_relative_date($story->getEpoch(), $user));

	if ($date !== $last_date) {
	if ($last_date !== null) {
	$null_view->appendChild(
	'<div class="phabricator-feed-story-date-separator"></div>');
	}
	$last_date = $date;
	$null_view->appendChild(
	phutil_tag(
	'div',
	array(
	'class' => 'phabricator-feed-story-date',
	),
	$date));
	}

	$view = $story->renderView();
	$view->setUser($user);

	$null_view->appendChild($view);
	}

	return id(new AphrontNullView())->appendChild(
	'<div class="phabricator-feed-frame">'.
	$null_view->render().
	'</div>');
	}

	}