private function buildFeedView(array $phids)
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $user_phid = $user->getPHID();
     $feed_query = new PhabricatorFeedQuery();
     if ($phids) {
         $feed_query->setFilterPHIDs($phids);
     }
     // TODO: All this limit stuff should probably be consolidated into the
     // feed query?
     $old_link = null;
     $new_link = null;
     $feed_query->setAfter($request->getStr('after'));
     $feed_query->setBefore($request->getStr('before'));
     $limit = 500;
     // Grab one more story than we intend to display so we can figure out
     // if we need to render an "Older Posts" link or not (with reasonable
     // accuracy, at least).
     $feed_query->setLimit($limit + 1);
     $feed = $feed_query->execute();
     $extra_row = count($feed) == $limit + 1;
     $have_new = $request->getStr('before') || $request->getStr('after') && $extra_row;
     $have_old = $request->getStr('after') || $request->getStr('before') && $extra_row || !$request->getStr('before') && !$request->getStr('after') && $extra_row;
     $feed = array_slice($feed, 0, $limit, $preserve_keys = true);
     if ($have_old) {
         $old_link = phutil_render_tag('a', array('href' => '?before=' . end($feed)->getChronologicalKey(), 'class' => 'phabricator-feed-older-link'), "Older Stories »");
     }
     if ($have_new) {
         $new_link = phutil_render_tag('a', array('href' => '?after=' . reset($feed)->getChronologicalKey(), 'class' => 'phabricator-feed-newer-link'), "« Newer Stories");
     }
     $builder = new PhabricatorFeedBuilder($feed);
     $builder->setUser($user);
     $feed_view = $builder->buildView();
     return '<div style="padding: 1em 3em;">' . '<div style="margin: 0 1em;">' . '<h1 style="font-size: 18px; ' . 'border-bottom: 1px solid #aaaaaa; ' . 'padding: 0;">Feed</h1>' . '</div>' . $feed_view->render() . '<div class="phabricator-feed-frame">' . $new_link . $old_link . '</div>' . '</div>';
 }