public function buildCrumbs(array $spec = array())
 {
     $crumbs = new AphrontCrumbsView();
     $crumb_list = $this->buildCrumbList($spec);
     $crumbs->setCrumbs($crumb_list);
     return $crumbs;
 }
 public function processRequest()
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $document = id(new PhrictionDocument())->loadOneWhere('slug = %s', PhabricatorSlug::normalize($this->slug));
     if (!$document) {
         return new Aphront404Response();
     }
     $current = id(new PhrictionContent())->load($document->getContentID());
     $pager = new AphrontPagerView();
     $pager->setOffset($request->getInt('page'));
     $pager->setURI($request->getRequestURI(), 'page');
     $history = id(new PhrictionContent())->loadAllWhere('documentID = %d ORDER BY version DESC LIMIT %d, %d', $document->getID(), $pager->getOffset(), $pager->getPageSize() + 1);
     $history = $pager->sliceResults($history);
     $author_phids = mpull($history, 'getAuthorPHID');
     $handles = id(new PhabricatorObjectHandleData($author_phids))->loadHandles();
     $rows = array();
     foreach ($history as $content) {
         $uri = PhrictionDocument::getSlugURI($document->getSlug());
         $version = $content->getVersion();
         $diff_uri = new PhutilURI('/phriction/diff/' . $document->getID() . '/');
         $vs_previous = '<em>Created</em>';
         if ($content->getVersion() != 1) {
             $uri = $diff_uri->alter('l', $content->getVersion() - 1)->alter('r', $content->getVersion());
             $vs_previous = phutil_render_tag('a', array('href' => $uri), 'Show Change');
         }
         $vs_head = '<em>Current</em>';
         if ($content->getID() != $document->getContentID()) {
             $uri = $diff_uri->alter('l', $content->getVersion())->alter('r', $current->getVersion());
             $vs_head = phutil_render_tag('a', array('href' => $uri), 'Show Later Changes');
         }
         $change_type = PhrictionChangeType::getChangeTypeLabel($content->getChangeType());
         $rows[] = array(phabricator_date($content->getDateCreated(), $user), phabricator_time($content->getDateCreated(), $user), phutil_render_tag('a', array('href' => $uri . '?v=' . $version), 'Version ' . $version), $handles[$content->getAuthorPHID()]->renderLink(), $change_type, phutil_escape_html($content->getDescription()), $vs_previous, $vs_head);
     }
     $crumbs = new AphrontCrumbsView();
     $crumbs->setCrumbs(array('Phriction', phutil_render_tag('a', array('href' => PhrictionDocument::getSlugURI($document->getSlug())), phutil_escape_html($current->getTitle())), 'History'));
     $table = new AphrontTableView($rows);
     $table->setHeaders(array('Date', 'Time', 'Version', 'Author', 'Type', 'Description', 'Against Previous', 'Against Current'));
     $table->setColumnClasses(array('', 'right', 'pri', '', '', 'wide', '', ''));
     $panel = new AphrontPanelView();
     $panel->setHeader('Document History');
     $panel->appendChild($table);
     $panel->appendChild($pager);
     return $this->buildStandardPageResponse(array($crumbs, $panel), array('title' => 'Document History'));
 }
 public function processRequest()
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $document = id(new PhrictionDocument())->load($this->id);
     if (!$document) {
         return new Aphront404Response();
     }
     $current = id(new PhrictionContent())->load($document->getContentID());
     $l = $request->getInt('l');
     $r = $request->getInt('r');
     $ref = $request->getStr('ref');
     if ($ref) {
         list($l, $r) = explode(',', $ref);
     }
     $content = id(new PhrictionContent())->loadAllWhere('documentID = %d AND version IN (%Ld)', $document->getID(), array($l, $r));
     $content = mpull($content, null, 'getVersion');
     $content_l = idx($content, $l, null);
     $content_r = idx($content, $r, null);
     if (!$content_l || !$content_r) {
         return new Aphront404Response();
     }
     $text_l = $content_l->getContent();
     $text_r = $content_r->getContent();
     $text_l = wordwrap($text_l, 80);
     $text_r = wordwrap($text_r, 80);
     $engine = new PhabricatorDifferenceEngine();
     $changeset = $engine->generateChangesetFromFileContent($text_l, $text_r);
     $changeset->setOldProperties(array('Title' => $content_l->getTitle()));
     $changeset->setNewProperties(array('Title' => $content_r->getTitle()));
     $whitespace_mode = DifferentialChangesetParser::WHITESPACE_SHOW_ALL;
     $parser = new DifferentialChangesetParser();
     $parser->setChangeset($changeset);
     $parser->setRenderingReference("{$l},{$r}");
     $parser->setWhitespaceMode($whitespace_mode);
     $spec = $request->getStr('range');
     list($range_s, $range_e, $mask) = DifferentialChangesetParser::parseRangeSpecification($spec);
     $output = $parser->render($range_s, $range_e, $mask);
     if ($request->isAjax()) {
         return id(new PhabricatorChangesetResponse())->setRenderedChangeset($output);
     }
     require_celerity_resource('differential-changeset-view-css');
     require_celerity_resource('syntax-highlighting-css');
     require_celerity_resource('phriction-document-css');
     Javelin::initBehavior('differential-show-more', array('uri' => '/phriction/diff/' . $document->getID() . '/', 'whitespace' => $whitespace_mode));
     $slug = $document->getSlug();
     $revert_l = $this->renderRevertButton($content_l, $current);
     $revert_r = $this->renderRevertButton($content_r, $current);
     $crumbs = new AphrontCrumbsView();
     $crumbs->setCrumbs(array('Phriction', phutil_render_tag('a', array('href' => PhrictionDocument::getSlugURI($slug)), phutil_escape_html($current->getTitle())), phutil_render_tag('a', array('href' => '/phriction/history/' . $document->getSlug() . '/'), 'History'), phutil_escape_html("Changes Between Version {$l} and Version {$r}")));
     $comparison_table = $this->renderComparisonTable(array($content_r, $content_l));
     $navigation_table = null;
     if ($l + 1 == $r) {
         $nav_l = $l > 1;
         $nav_r = $r != $current->getVersion();
         $uri = $request->getRequestURI();
         if ($nav_l) {
             $link_l = phutil_render_tag('a', array('href' => $uri->alter('l', $l - 1)->alter('r', $r - 1)), "« Previous Change");
         } else {
             $link_l = 'Original Change';
         }
         $link_r = null;
         if ($nav_r) {
             $link_r = phutil_render_tag('a', array('href' => $uri->alter('l', $l + 1)->alter('r', $r + 1)), "Next Change »");
         } else {
             $link_r = 'Most Recent Change';
         }
         $navigation_table = '<table class="phriction-history-nav-table">
       <tr>
         <td class="nav-prev">' . $link_l . '</td>
         <td class="nav-next">' . $link_r . '</td>
       </tr>
     </table>';
     }
     $output = '<div class="phriction-document-history-diff">' . $comparison_table->render() . '<br />' . '<br />' . $navigation_table . '<table class="phriction-revert-table">' . '<tr><td>' . $revert_l . '</td><td>' . $revert_r . '</td>' . '</table>' . $output . '</div>';
     return $this->buildStandardPageResponse(array($crumbs, $output), array('title' => 'Document History'));
 }