DiffusionBrowseController.php
3ac27e66ef56stable

DiffusionBrowseController.php
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			<?php

			final class DiffusionBrowseController extends DiffusionController {

			private $lintCommit;
			private $lintMessages;
			private $coverage;
			private $corpusButtons = array();

			public function shouldAllowPublic() {
			return true;
			}

			public function handleRequest(AphrontRequest $request) {
			$response = $this->loadDiffusionContext();
			if ($response) {
			return $response;
			}

			$drequest = $this->getDiffusionRequest();

			// Figure out if we're browsing a directory, a file, or a search result
			// list.

			$grep = $request->getStr('grep');
			if (strlen($grep)) {
			return $this->browseSearch();
			}

			$pager = id(new PHUIPagerView())
			->readFromRequest($request);

			$results = DiffusionBrowseResultSet::newFromConduit(
			$this->callConduitWithDiffusionRequest(
			'diffusion.browsequery',
			array(
			'path' => $drequest->getPath(),
			'commit' => $drequest->getStableCommit(),
			'offset' => $pager->getOffset(),
			'limit' => $pager->getPageSize() + 1,
			)));

			$reason = $results->getReasonForEmptyResultSet();
			$is_file = ($reason == DiffusionBrowseResultSet::REASON_IS_FILE);

			if ($is_file) {
			return $this->browseFile();
			} else {
			$paths = $results->getPaths();
			$paths = $pager->sliceResults($paths);
			$results->setPaths($paths);

			return $this->browseDirectory($results, $pager);
			}
			}

			private function browseSearch() {
			$drequest = $this->getDiffusionRequest();
			$header = $this->buildHeaderView($drequest);
			$path = nonempty(basename($drequest->getPath()), '/');

			$search_results = $this->renderSearchResults();
			$search_form = $this->renderSearchForm($path);

			$search_form = phutil_tag(
			'div',
			array(
			'class' => 'diffusion-mobile-search-form',
			),
			$search_form);

			$crumbs = $this->buildCrumbs(
			array(
			'branch' => true,
			'path' => true,
			'view' => 'browse',
			));
			$crumbs->setBorder(true);

			$tabs = $this->buildTabsView('code');

			$view = id(new PHUITwoColumnView())
			->setHeader($header)
			->setTabs($tabs)
			->setFooter(
			array(
			$search_form,
			$search_results,
			));

			return $this->newPage()
			->setTitle(
			array(
			nonempty(basename($drequest->getPath()), '/'),
			$drequest->getRepository()->getDisplayName(),
			))
			->setCrumbs($crumbs)
			->appendChild($view);
			}

			private function browseFile() {
			$viewer = $this->getViewer();
			$request = $this->getRequest();
			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();

			$before = $request->getStr('before');
			if ($before) {
			return $this->buildBeforeResponse($before);
			}

			$path = $drequest->getPath();

			$blame_key = PhabricatorDiffusionBlameSetting::SETTINGKEY;
			$show_blame = $request->getBool(
			'blame',
			$viewer->getUserSetting($blame_key));

			$view = $request->getStr('view');
			if ($request->isFormPost() && $view != 'raw' && $viewer->isLoggedIn()) {
			$preferences = PhabricatorUserPreferences::loadUserPreferences($viewer);

			$editor = id(new PhabricatorUserPreferencesEditor())
			->setActor($viewer)
			->setContentSourceFromRequest($request)
			->setContinueOnNoEffect(true)
			->setContinueOnMissingFields(true);

			$xactions = array();
			$xactions[] = $preferences->newTransaction($blame_key, $show_blame);
			$editor->applyTransactions($preferences, $xactions);

			$uri = $request->getRequestURI()
			->alter('blame', null);

			return id(new AphrontRedirectResponse())->setURI($uri);
			}

			// We need the blame information if blame is on and this is an Ajax request.
			// If blame is on and this is a colorized request, we don't show blame at
			// first (we ajax it in afterward) so we don't need to query for it.
			$needs_blame = ($show_blame && $request->isAjax());

			$params = array(
			'commit' => $drequest->getCommit(),
			'path' => $drequest->getPath(),
			);

			$byte_limit = null;
			if ($view !== 'raw') {
			$byte_limit = PhabricatorFileStorageEngine::getChunkThreshold();
			$time_limit = 10;

			$params += array(
			'timeout' => $time_limit,
			'byteLimit' => $byte_limit,
			);
			}

			$response = $this->callConduitWithDiffusionRequest(
			'diffusion.filecontentquery',
			$params);

			$hit_byte_limit = $response['tooHuge'];
			$hit_time_limit = $response['tooSlow'];

			$file_phid = $response['filePHID'];
			$show_editor = false;
			if ($hit_byte_limit) {
			$corpus = $this->buildErrorCorpus(
			pht(
			'This file is larger than %s byte(s), and too large to display '.
			'in the web UI.',
			phutil_format_bytes($byte_limit)));
			} else if ($hit_time_limit) {
			$corpus = $this->buildErrorCorpus(
			pht(
			'This file took too long to load from the repository (more than '.
			'%s second(s)).',
			new PhutilNumber($time_limit)));
			} else {
			$file = id(new PhabricatorFileQuery())
			->setViewer($viewer)
			->withPHIDs(array($file_phid))
			->executeOne();
			if (!$file) {
			throw new Exception(pht('Failed to load content file!'));
			}

			if ($view === 'raw') {
			return $file->getRedirectResponse();
			}

			$data = $file->loadFileData();

			$lfs_ref = $this->getGitLFSRef($repository, $data);
			if ($lfs_ref) {
			if ($view == 'git-lfs') {
			$file = $this->loadGitLFSFile($lfs_ref);

			// Rename the file locally so we generate a better vanity URI for
			// it. In storage, it just has a name like "lfs-13f9a94c0923...",
			// since we don't get any hints about possible human-readable names
			// at upload time.
			$basename = basename($drequest->getPath());
			$file->makeEphemeral();
			$file->setName($basename);

			return $file->getRedirectResponse();
			} else {
			$corpus = $this->buildGitLFSCorpus($lfs_ref);
			}
			} else if (ArcanistDiffUtils::isHeuristicBinaryFile($data)) {
			$file_uri = $file->getBestURI();

			if ($file->isViewableImage()) {
			$corpus = $this->buildImageCorpus($file_uri);
			} else {
			$corpus = $this->buildBinaryCorpus($file_uri, $data);
			}
			} else {
			$this->loadLintMessages();
			$this->coverage = $drequest->loadCoverage();
			$show_editor = true;

			// Build the content of the file.
			$corpus = $this->buildCorpus(
			$show_blame,
			$data,
			$needs_blame,
			$drequest,
			$path,
			$data);
			}
			}

			if ($request->isAjax()) {
			return id(new AphrontAjaxResponse())->setContent($corpus);
			}

			require_celerity_resource('diffusion-source-css');

			// Render the page.
			$bar = $this->buildButtonBar($drequest, $show_blame, $show_editor);
			$header = $this->buildHeaderView($drequest);
			$header->setHeaderIcon('fa-file-code-o');

			$follow = $request->getStr('follow');
			$follow_notice = null;
			if ($follow) {
			$follow_notice = id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->setTitle(pht('Unable to Continue'));
			switch ($follow) {
			case 'first':
			$follow_notice->appendChild(
			pht(
			'Unable to continue tracing the history of this file because '.
			'this commit is the first commit in the repository.'));
			break;
			case 'created':
			$follow_notice->appendChild(
			pht(
			'Unable to continue tracing the history of this file because '.
			'this commit created the file.'));
			break;
			}
			}

			$renamed = $request->getStr('renamed');
			$renamed_notice = null;
			if ($renamed) {
			$renamed_notice = id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
			->setTitle(pht('File Renamed'))
			->appendChild(
			pht(
			'File history passes through a rename from "%s" to "%s".',
			$drequest->getPath(),
			$renamed));
			}

			$open_revisions = $this->buildOpenRevisions();
			$owners_list = $this->buildOwnersList($drequest);

			$crumbs = $this->buildCrumbs(
			array(
			'branch' => true,
			'path' => true,
			'view' => 'browse',
			));
			$crumbs->setBorder(true);

			$basename = basename($this->getDiffusionRequest()->getPath());
			$tabs = $this->buildTabsView('code');
			$bar->setRight($this->corpusButtons);

			$view = id(new PHUITwoColumnView())
			->setHeader($header)
			->setTabs($tabs)
			->setFooter(array(
			$bar,
			$follow_notice,
			$renamed_notice,
			$corpus,
			$open_revisions,
			$owners_list,
			));

			$title = array($basename, $repository->getDisplayName());

			return $this->newPage()
			->setTitle($title)
			->setCrumbs($crumbs)
			->appendChild(
			array(
			$view,
			));

			}

			public function browseDirectory(
			DiffusionBrowseResultSet $results,
			PHUIPagerView $pager) {

			$request = $this->getRequest();
			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();

			$reason = $results->getReasonForEmptyResultSet();

			$this->buildActionButtons($drequest, true);
			$details = $this->buildPropertyView($drequest);

			$header = $this->buildHeaderView($drequest);
			$header->setHeaderIcon('fa-folder-open');

			$empty_result = null;
			$browse_panel = null;
			$branch_panel = null;
			if (!$results->isValidResults()) {
			$empty_result = new DiffusionEmptyResultView();
			$empty_result->setDiffusionRequest($drequest);
			$empty_result->setDiffusionBrowseResultSet($results);
			$empty_result->setView($request->getStr('view'));
			} else {
			$phids = array();
			foreach ($results->getPaths() as $result) {
			$data = $result->getLastCommitData();
			if ($data) {
			if ($data->getCommitDetail('authorPHID')) {
			$phids[$data->getCommitDetail('authorPHID')] = true;
			}
			}
			}

			$phids = array_keys($phids);
			$handles = $this->loadViewerHandles($phids);

			$browse_table = id(new DiffusionBrowseTableView())
			->setDiffusionRequest($drequest)
			->setHandles($handles)
			->setPaths($results->getPaths())
			->setUser($request->getUser());

			$title = nonempty(basename($drequest->getPath()), '/');
			$icon = 'fa-folder-open';
			$browse_header = $this->buildPanelHeaderView($title, $icon);

			$browse_panel = id(new PHUIObjectBoxView())
			->setHeader($browse_header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->setTable($browse_table)
			->addClass('diffusion-mobile-view')
			->setPager($pager);

			$path = $drequest->getPath();
			$is_branch = (!strlen($path) && $repository->supportsBranchComparison());
			if ($is_branch) {
			$branch_panel = $this->buildBranchTable();
			}
			}

			$open_revisions = $this->buildOpenRevisions();
			$readme = $this->renderDirectoryReadme($results);

			$crumbs = $this->buildCrumbs(
			array(
			'branch' => true,
			'path' => true,
			'view' => 'browse',
			));

			$crumbs->setBorder(true);
			$tabs = $this->buildTabsView('code');
			$owners_list = $this->buildOwnersList($drequest);
			$bar = id(new PHUILeftRightView())
			->setRight($this->corpusButtons)
			->addClass('diffusion-action-bar');

			$view = id(new PHUITwoColumnView())
			->setHeader($header)
			->setTabs($tabs)
			->setFooter(
			array(
			$bar,
			$branch_panel,
			$empty_result,
			$browse_panel,
			$open_revisions,
			$owners_list,
			$readme,
			));

			if ($details) {
			$view->addPropertySection(pht('Details'), $details);
			}

			return $this->newPage()
			->setTitle(array(
			nonempty(basename($drequest->getPath()), '/'),
			$repository->getDisplayName(),
			))
			->setCrumbs($crumbs)
			->appendChild(
			array(
			$view,
			));
			}

			private function renderSearchResults() {
			$request = $this->getRequest();

			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();
			$results = array();

			$pager = id(new PHUIPagerView())
			->readFromRequest($request);

			$search_mode = null;
			switch ($repository->getVersionControlSystem()) {
			case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
			$results = array();
			break;
			default:
			if (strlen($this->getRequest()->getStr('grep'))) {
			$search_mode = 'grep';
			$query_string = $request->getStr('grep');
			$results = $this->callConduitWithDiffusionRequest(
			'diffusion.searchquery',
			array(
			'grep' => $query_string,
			'commit' => $drequest->getStableCommit(),
			'path' => $drequest->getPath(),
			'limit' => $pager->getPageSize() + 1,
			'offset' => $pager->getOffset(),
			));
			}
			break;
			}
			$results = $pager->sliceResults($results);

			$table = null;
			$header = null;
			if ($search_mode == 'grep') {
			$table = $this->renderGrepResults($results, $query_string);
			$title = pht(
			'File content matching "%s" under "%s"',
			$query_string,
			nonempty($drequest->getPath(), '/'));
			$header = id(new PHUIHeaderView())
			->setHeader($title)
			->addClass('diffusion-search-result-header');
			}

			return array($header, $table, $pager);

			}

			private function renderGrepResults(array $results, $pattern) {
			$drequest = $this->getDiffusionRequest();
			require_celerity_resource('phabricator-search-results-css');

			if (!$results) {
			return id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_NODATA)
			->appendChild(
			pht(
			'The pattern you searched for was not found in the content of any '.
			'files.'));
			}

			$grouped = array();
			foreach ($results as $file) {
			list($path, $line, $string) = $file;
			$grouped[$path][] = array($line, $string);
			}

			$view = array();
			foreach ($grouped as $path => $matches) {
			$view[] = id(new DiffusionPatternSearchView())
			->setPath($path)
			->setMatches($matches)
			->setPattern($pattern)
			->setDiffusionRequest($drequest)
			->render();
			}

			return $view;
			}

			private function loadLintMessages() {
			$drequest = $this->getDiffusionRequest();
			$branch = $drequest->loadBranch();

			if (!$branch \|\| !$branch->getLintCommit()) {
			return;
			}

			$this->lintCommit = $branch->getLintCommit();

			$conn = id(new PhabricatorRepository())->establishConnection('r');

			$where = '';
			if ($drequest->getLint()) {
			$where = qsprintf(
			$conn,
			'AND code = %s',
			$drequest->getLint());
			}

			$this->lintMessages = queryfx_all(
			$conn,
			'SELECT * FROM %T WHERE branchID = %d %Q AND path = %s',
			PhabricatorRepository::TABLE_LINTMESSAGE,
			$branch->getID(),
			$where,
			'/'.$drequest->getPath());
			}

			private function buildCorpus(
			$show_blame,
			$file_corpus,
			$needs_blame,
			DiffusionRequest $drequest,
			$path,
			$data) {

			$viewer = $this->getViewer();
			$blame_timeout = 15;
			$blame_failed = false;

			$highlight_limit = DifferentialChangesetParser::HIGHLIGHT_BYTE_LIMIT;
			$blame_limit = DifferentialChangesetParser::HIGHLIGHT_BYTE_LIMIT;
			$can_highlight = (strlen($file_corpus) <= $highlight_limit);
			$can_blame = (strlen($file_corpus) <= $blame_limit);

			if ($needs_blame && $can_blame) {
			$blame = $this->loadBlame($path, $drequest->getCommit(), $blame_timeout);
			list($blame_list, $blame_commits) = $blame;
			if ($blame_list === null) {
			$blame_failed = true;
			$blame_list = array();
			}
			} else {
			$blame_list = array();
			$blame_commits = array();
			}

			require_celerity_resource('syntax-highlighting-css');
			if ($can_highlight) {
			$highlighted = PhabricatorSyntaxHighlighter::highlightWithFilename(
			$path,
			$file_corpus);
			} else {
			// Highlight as plain text to escape the content properly.
			$highlighted = PhabricatorSyntaxHighlighter::highlightWithLanguage(
			'txt',
			$file_corpus);
			}

			$lines = phutil_split_lines($highlighted);

			$rows = $this->buildDisplayRows(
			$lines,
			$blame_list,
			$blame_commits,
			$show_blame);

			$corpus_table = javelin_tag(
			'table',
			array(
			'class' => 'diffusion-source remarkup-code PhabricatorMonospaced',
			'sigil' => 'phabricator-source',
			),
			$rows);

			$corpus_table = phutil_tag_div('diffusion-source-wrap', $corpus_table);

			if ($this->getRequest()->isAjax()) {
			return $corpus_table;
			}

			$id = celerity_generate_unique_node_id();

			$repo = $drequest->getRepository();
			$symbol_repos = nonempty($repo->getSymbolSources(), array());
			$symbol_repos[] = $repo->getPHID();

			$lang = last(explode('.', $drequest->getPath()));
			$repo_languages = $repo->getSymbolLanguages();
			$repo_languages = nonempty($repo_languages, array());
			$repo_languages = array_fill_keys($repo_languages, true);

			$needs_symbols = true;
			if ($repo_languages && $symbol_repos) {
			$have_symbols = id(new DiffusionSymbolQuery())
			->existsSymbolsInRepository($repo->getPHID());
			if (!$have_symbols) {
			$needs_symbols = false;
			}
			}

			if ($needs_symbols && $repo_languages) {
			$needs_symbols = isset($repo_languages[$lang]);
			}

			if ($needs_symbols) {
			Javelin::initBehavior(
			'repository-crossreference',
			array(
			'container' => $id,
			'lang' => $lang,
			'repositories' => $symbol_repos,
			));
			}

			$corpus = phutil_tag(
			'div',
			array(
			'id' => $id,
			),
			$corpus_table);

			Javelin::initBehavior('load-blame', array('id' => $id));

			$this->corpusButtons[] = $this->renderFileButton();
			$title = basename($this->getDiffusionRequest()->getPath());
			$icon = 'fa-file-code-o';
			$drequest = $this->getDiffusionRequest();
			$this->buildActionButtons($drequest);

			$header = $this->buildPanelHeaderView($title, $icon);

			$corpus = id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->appendChild($corpus)
			->addClass('diffusion-mobile-view')
			->setCollapsed(true);

			$messages = array();

			if (!$can_highlight) {
			$messages[] = pht(
			'This file is larger than %s, so syntax highlighting is disabled '.
			'by default.',
			phutil_format_bytes($highlight_limit));
			}

			if ($show_blame && !$can_blame) {
			$messages[] = pht(
			'This file is larger than %s, so blame is disabled.',
			phutil_format_bytes($blame_limit));
			}

			if ($blame_failed) {
			$messages[] = pht(
			'Failed to load blame information for this file in %s second(s).',
			new PhutilNumber($blame_timeout));
			}

			if ($messages) {
			$corpus->setInfoView(
			id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->setErrors($messages));
			}

			return $corpus;
			}

			private function buildButtonBar(
			DiffusionRequest $drequest,
			$show_blame,
			$show_editor) {

			$viewer = $this->getViewer();
			$base_uri = $this->getRequest()->getRequestURI();

			$user = $this->getRequest()->getUser();
			$repository = $drequest->getRepository();
			$path = $drequest->getPath();
			$line = nonempty((int)$drequest->getLine(), 1);
			$buttons = array();

			$editor_link = $user->loadEditorLink($path, $line, $repository);
			$template = $user->loadEditorLink($path, '%l', $repository);

			$buttons[] =
			id(new PHUIButtonView())
			->setTag('a')
			->setText(pht('Last Change'))
			->setColor(PHUIButtonView::GREY)
			->setHref(
			$drequest->generateURI(
			array(
			'action' => 'change',
			)))
			->setIcon('fa-backward');

			if ($show_blame) {
			$blame_text = pht('Disable Blame');
			$blame_icon = 'fa-exclamation-circle lightgreytext';
			$blame_value = 0;
			} else {
			$blame_text = pht('Enable Blame');
			$blame_icon = 'fa-exclamation-circle';
			$blame_value = 1;
			}

			$blame = id(new PHUIButtonView())
			->setText($blame_text)
			->setIcon($blame_icon)
			->setUser($viewer)
			->setSelected(!$blame_value)
			->setColor(PHUIButtonView::GREY);

			if ($viewer->isLoggedIn()) {
			$blame = phabricator_form(
			$viewer,
			array(
			'action' => $base_uri->alter('blame', $blame_value),
			'method' => 'POST',
			'style' => 'display: inline-block;',
			),
			$blame);
			} else {
			$blame->setTag('a');
			$blame->setHref($base_uri->alter('blame', $blame_value));
			}
			$buttons[] = $blame;

			if ($editor_link) {
			$buttons[] =
			id(new PHUIButtonView())
			->setTag('a')
			->setText(pht('Open File'))
			->setHref($editor_link)
			->setIcon('fa-pencil')
			->setID('editor_link')
			->setMetadata(array('link_template' => $template))
			->setDisabled(!$editor_link)
			->setColor(PHUIButtonView::GREY);
			}

			$href = null;
			$show_lint = true;
			if ($this->getRequest()->getStr('lint') !== null) {
			$lint_text = pht('Hide Lint');
			$href = $base_uri->alter('lint', null);

			} else if ($this->lintCommit === null) {
			$show_lint = false;
			} else {
			$lint_text = pht('Show Lint');
			$href = $this->getDiffusionRequest()->generateURI(array(
			'action' => 'browse',
			'commit' => $this->lintCommit,
			))->alter('lint', '');
			}

			if ($show_lint) {
			$buttons[] =
			id(new PHUIButtonView())
			->setTag('a')
			->setText($lint_text)
			->setHref($href)
			->setIcon('fa-exclamation-triangle')
			->setDisabled(!$href)
			->setColor(PHUIButtonView::GREY);
			}

			$bar = id(new PHUILeftRightView())
			->setLeft($buttons)
			->addClass('diffusion-action-bar full-mobile-buttons');
			return $bar;
			}

			private function buildOwnersList(DiffusionRequest $drequest) {
			$viewer = $this->getViewer();

			$have_owners = PhabricatorApplication::isClassInstalledForViewer(
			'PhabricatorOwnersApplication',
			$viewer);
			if (!$have_owners) {
			return null;
			}

			$repository = $drequest->getRepository();

			$package_query = id(new PhabricatorOwnersPackageQuery())
			->setViewer($viewer)
			->withStatuses(array(PhabricatorOwnersPackage::STATUS_ACTIVE))
			->withControl(
			$repository->getPHID(),
			array(
			$drequest->getPath(),
			));

			$package_query->execute();

			$packages = $package_query->getControllingPackagesForPath(
			$repository->getPHID(),
			$drequest->getPath());

			$ownership = id(new PHUIObjectItemListView())
			->setUser($viewer)
			->setNoDataString(pht('No Owners'));

			if ($packages) {
			foreach ($packages as $package) {
			$item = id(new PHUIObjectItemView())
			->setObject($package)
			->setObjectName($package->getMonogram())
			->setHeader($package->getName())
			->setHref($package->getURI());

			$owners = $package->getOwners();
			if ($owners) {
			$owner_list = $viewer->renderHandleList(
			mpull($owners, 'getUserPHID'));
			} else {
			$owner_list = phutil_tag('em', array(), pht('None'));
			}
			$item->addAttribute(pht('Owners: %s', $owner_list));

			$auto = $package->getAutoReview();
			$autoreview_map = PhabricatorOwnersPackage::getAutoreviewOptionsMap();
			$spec = idx($autoreview_map, $auto, array());
			$name = idx($spec, 'name', $auto);
			$item->addIcon('fa-code', $name);

			if ($package->getAuditingEnabled()) {
			$item->addIcon('fa-check', pht('Auditing Enabled'));
			} else {
			$item->addIcon('fa-ban', pht('No Auditing'));
			}

			if ($package->isArchived()) {
			$item->setDisabled(true);
			}

			$ownership->addItem($item);
			}
			}

			$view = id(new PHUIObjectBoxView())
			->setHeaderText(pht('Owner Packages'))
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->setObjectList($ownership);

			return $view;
			}

			private function renderFileButton($file_uri = null, $label = null) {

			$base_uri = $this->getRequest()->getRequestURI();

			if ($file_uri) {
			$text = pht('Download File');
			$href = $file_uri;
			$icon = 'fa-download';
			} else {
			$text = pht('Raw File');
			$href = $base_uri->alter('view', 'raw');
			$icon = 'fa-file-text';
			}

			if ($label !== null) {
			$text = $label;
			}

			$button = id(new PHUIButtonView())
			->setTag('a')
			->setText($text)
			->setHref($href)
			->setIcon($icon)
			->setColor(PHUIButtonView::GREY);

			return $button;
			}

			private function renderGitLFSButton() {
			$viewer = $this->getViewer();

			$uri = $this->getRequest()->getRequestURI();
			$href = $uri->alter('view', 'git-lfs');

			$text = pht('Download from Git LFS');
			$icon = 'fa-download';

			return id(new PHUIButtonView())
			->setTag('a')
			->setText($text)
			->setHref($href)
			->setIcon($icon);
			}

			private function buildDisplayRows(
			array $lines,
			array $blame_list,
			array $blame_commits,
			$show_blame) {

			$request = $this->getRequest();
			$viewer = $this->getViewer();
			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();

			$revision_map = array();
			$revisions = array();
			if ($blame_commits) {
			$commit_map = mpull($blame_commits, 'getCommitIdentifier', 'getPHID');

			$revision_ids = id(new DifferentialRevision())
			->loadIDsByCommitPHIDs(array_keys($commit_map));
			if ($revision_ids) {
			$revisions = id(new DifferentialRevisionQuery())
			->setViewer($viewer)
			->withIDs($revision_ids)
			->execute();
			$revisions = mpull($revisions, null, 'getID');
			}

			foreach ($revision_ids as $commit_phid => $revision_id) {
			$revision_map[$commit_map[$commit_phid]] = $revision_id;
			}
			}

			$phids = array();
			foreach ($blame_commits as $commit) {
			$author_phid = $commit->getAuthorPHID();
			if ($author_phid === null) {
			continue;
			}
			$phids[$author_phid] = $author_phid;
			}

			foreach ($revisions as $revision) {
			$author_phid = $revision->getAuthorPHID();
			if ($author_phid === null) {
			continue;
			}
			$phids[$author_phid] = $author_phid;
			}

			$handles = $viewer->loadHandles($phids);

			$author_phids = array();
			$author_map = array();
			foreach ($blame_commits as $commit) {
			$commit_identifier = $commit->getCommitIdentifier();

			$author_phid = '';
			if (isset($revision_map[$commit_identifier])) {
			$revision_id = $revision_map[$commit_identifier];
			$revision = $revisions[$revision_id];
			$author_phid = $revision->getAuthorPHID();
			} else {
			$author_phid = $commit->getAuthorPHID();
			}

			$author_map[$commit_identifier] = $author_phid;
			$author_phids[$author_phid] = $author_phid;
			}

			$colors = array();
			if ($blame_commits) {
			$epochs = array();

			foreach ($blame_commits as $identifier => $commit) {
			$epochs[$identifier] = $commit->getEpoch();
			}

			$epoch_list = array_filter($epochs);
			$epoch_list = array_unique($epoch_list);
			$epoch_list = array_values($epoch_list);

			$epoch_min = min($epoch_list);
			$epoch_max = max($epoch_list);
			$epoch_range = ($epoch_max - $epoch_min) + 1;

			foreach ($blame_commits as $identifier => $commit) {
			$epoch = $epochs[$identifier];
			if (!$epoch) {
			$color = '#ffffdd'; // Warning color, missing data.
			} else {
			$color_ratio = ($epoch - $epoch_min) / $epoch_range;
			$color_value = 0xE6 * (1.0 - $color_ratio);
			$color = sprintf(
			'#%02x%02x%02x',
			$color_value,
			0xF6,
			$color_value);
			}

			$colors[$identifier] = $color;
			}
			}

			$display = array();
			$last_identifier = null;
			$last_color = null;
			foreach ($lines as $line_index => $line) {
			$color = '#f6f6f6';
			$duplicate = false;
			if (isset($blame_list[$line_index])) {
			$identifier = $blame_list[$line_index];
			if (isset($colors[$identifier])) {
			$color = $colors[$identifier];
			}

			if ($identifier === $last_identifier) {
			$duplicate = true;
			} else {
			$last_identifier = $identifier;
			}
			}

			$display[$line_index] = array(
			'data' => $line,
			'target' => false,
			'highlighted' => false,
			'color' => $color,
			'duplicate' => $duplicate,
			);
			}

			$line_arr = array();
			$line_str = $drequest->getLine();
			$ranges = explode(',', $line_str);
			foreach ($ranges as $range) {
			if (strpos($range, '-') !== false) {
			list($min, $max) = explode('-', $range, 2);
			$line_arr[] = array(
			'min' => min($min, $max),
			'max' => max($min, $max),
			);
			} else if (strlen($range)) {
			$line_arr[] = array(
			'min' => $range,
			'max' => $range,
			);
			}
			}

			// Mark the first highlighted line as the target line.
			if ($line_arr) {
			$target_line = $line_arr[0]['min'];
			if (isset($display[$target_line - 1])) {
			$display[$target_line - 1]['target'] = true;
			}
			}

			// Mark all other highlighted lines as highlighted.
			foreach ($line_arr as $range) {
			for ($ii = $range['min']; $ii <= $range['max']; $ii++) {
			if (isset($display[$ii - 1])) {
			$display[$ii - 1]['highlighted'] = true;
			}
			}
			}

			$engine = null;
			$inlines = array();
			if ($this->getRequest()->getStr('lint') !== null && $this->lintMessages) {
			$engine = new PhabricatorMarkupEngine();
			$engine->setViewer($viewer);

			foreach ($this->lintMessages as $message) {
			$inline = id(new PhabricatorAuditInlineComment())
			->setSyntheticAuthor(
			ArcanistLintSeverity::getStringForSeverity($message['severity']).
			' '.$message['code'].' ('.$message['name'].')')
			->setLineNumber($message['line'])
			->setContent($message['description']);
			$inlines[$message['line']][] = $inline;

			$engine->addObject(
			$inline,
			PhabricatorInlineCommentInterface::MARKUP_FIELD_BODY);
			}

			$engine->process();
			require_celerity_resource('differential-changeset-view-css');
			}

			$rows = $this->renderInlines(
			idx($inlines, 0, array()),
			$show_blame,
			(bool)$this->coverage,
			$engine);

			// NOTE: We're doing this manually because rendering is otherwise
			// dominated by URI generation for very large files.
			$line_base = (string)$drequest->generateURI(
			array(
			'action' => 'browse',
			'stable' => true,
			));

			require_celerity_resource('aphront-tooltip-css');
			Javelin::initBehavior('phabricator-oncopy');
			Javelin::initBehavior('phabricator-tooltips');
			Javelin::initBehavior('phabricator-line-linker');

			// Render these once, since they tend to get repeated many times in large
			// blame outputs.
			$commit_links = $this->renderCommitLinks($blame_commits, $handles);
			$revision_links = $this->renderRevisionLinks($revisions, $handles);
			$author_links = $this->renderAuthorLinks($author_map, $handles);

			if ($this->coverage) {
			require_celerity_resource('differential-changeset-view-css');
			Javelin::initBehavior(
			'diffusion-browse-file',
			array(
			'labels' => array(
			'cov-C' => pht('Covered'),
			'cov-N' => pht('Not Covered'),
			'cov-U' => pht('Not Executable'),
			),
			));
			}

			$skip_text = pht('Skip Past This Commit');
			$skip_icon = id(new PHUIIconView())
			->setIcon('fa-caret-square-o-left');

			foreach ($display as $line_index => $line) {
			$row = array();

			$line_number = $line_index + 1;
			$line_href = $line_base.'$'.$line_number;

			if (isset($blame_list[$line_index])) {
			$identifier = $blame_list[$line_index];
			} else {
			$identifier = null;
			}

			$revision_link = null;
			$commit_link = null;
			$author_link = null;
			$before_link = null;
			$commit_date = null;

			$style = 'border-right: 3px solid '.$line['color'].';';

			if ($identifier && !$line['duplicate']) {
			if (isset($commit_links[$identifier])) {
			$commit_link = $commit_links[$identifier];
			$author_link = $author_links[$author_map[$identifier]];
			}

			if (isset($revision_map[$identifier])) {
			$revision_id = $revision_map[$identifier];
			if (isset($revision_links[$revision_id])) {
			$revision_link = $revision_links[$revision_id];
			}
			}

			$skip_href = $line_href.'?before='.$identifier.'&view=blame';
			$skip_text = pht('Skip Past This Commit');
			$icon = id(new PHUIIconView())
			->setIcon('fa-caret-square-o-left');

			$before_link = javelin_tag(
			'a',
			array(
			'href' => $skip_href,
			'sigil' => 'has-tooltip',
			'meta' => array(
			'tip' => $skip_text,
			'align' => 'E',
			'size' => 300,
			),
			),
			$skip_icon);
			}

			if ($show_blame) {
			$row[] = phutil_tag(
			'th',
			array(
			'class' => 'diffusion-blame-link',
			),
			$before_link);

			$object_links = array();
			$object_links[] = $author_link;
			$object_links[] = $commit_link;
			if ($revision_link) {
			$object_links[] = phutil_tag('span', array(), '/');
			$object_links[] = $revision_link;
			}

			$row[] = phutil_tag(
			'th',
			array(
			'class' => 'diffusion-blame-date',
			),
			$commit_date);
			}

			$line_link = phutil_tag(
			'a',
			array(
			'href' => $line_href,
			),
			$line_number);

			$row[] = javelin_tag(
			'th',
			array(
			'class' => 'diffusion-line-link ',
			'sigil' => 'phabricator-source-line',
			'style' => $style,
			),
			$line_link);

			if ($line['target']) {
			Javelin::initBehavior(
			'diffusion-jump-to',
			array(
			'target' => 'scroll_target',
			));
			$anchor_text = phutil_tag(
			'a',
			array(
			'id' => 'scroll_target',
			),
			'');
			} else {
			$anchor_text = null;
			}

			$row[] = phutil_tag(
			'td',
			array(
			),
			array(
			$anchor_text,

			// NOTE: See phabricator-oncopy behavior.
			"\xE2\x80\x8B",

			// TODO: [HTML] Not ideal.
			phutil_safe_html(str_replace("\t", ' ', $line['data'])),
			));

			if ($this->coverage) {
			$cov_index = $line_index;

			if (isset($this->coverage[$cov_index])) {
			$cov_class = $this->coverage[$cov_index];
			} else {
			$cov_class = 'N';
			}

			$row[] = phutil_tag(
			'td',
			array(
			'class' => 'cov cov-'.$cov_class,
			),
			'');
			}

			$rows[] = phutil_tag(
			'tr',
			array(
			'class' => ($line['highlighted'] ?
			'phabricator-source-highlight' :
			null),
			),
			$row);

			$cur_inlines = $this->renderInlines(
			idx($inlines, $line_number, array()),
			$show_blame,
			$this->coverage,
			$engine);
			foreach ($cur_inlines as $cur_inline) {
			$rows[] = $cur_inline;
			}
			}

			return $rows;
			}

			private function renderInlines(
			array $inlines,
			$show_blame,
			$has_coverage,
			$engine) {

			$rows = array();
			foreach ($inlines as $inline) {

			// TODO: This should use modern scaffolding code.

			$inline_view = id(new PHUIDiffInlineCommentDetailView())
			->setUser($this->getViewer())
			->setMarkupEngine($engine)
			->setInlineComment($inline)
			->render();

			$row = array_fill(0, ($show_blame ? 3 : 1), phutil_tag('th'));

			$row[] = phutil_tag('td', array(), $inline_view);

			if ($has_coverage) {
			$row[] = phutil_tag(
			'td',
			array(
			'class' => 'cov cov-I',
			));
			}

			$rows[] = phutil_tag('tr', array('class' => 'inline'), $row);
			}

			return $rows;
			}

			private function buildImageCorpus($file_uri) {
			$properties = new PHUIPropertyListView();

			$properties->addImageContent(
			phutil_tag(
			'img',
			array(
			'src' => $file_uri,
			)));

			$this->corpusButtons[] = $this->renderFileButton($file_uri);
			$title = basename($this->getDiffusionRequest()->getPath());
			$icon = 'fa-file-image-o';
			$drequest = $this->getDiffusionRequest();
			$this->buildActionButtons($drequest);
			$header = $this->buildPanelHeaderView($title, $icon);

			return id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->addPropertyList($properties);
			}

			private function buildBinaryCorpus($file_uri, $data) {
			$size = new PhutilNumber(strlen($data));
			$text = pht('This is a binary file. It is %s byte(s) in length.', $size);
			$text = id(new PHUIBoxView())
			->addPadding(PHUI::PADDING_LARGE)
			->appendChild($text);

			$this->corpusButtons[] = $this->renderFileButton($file_uri);
			$title = basename($this->getDiffusionRequest()->getPath());
			$icon = 'fa-file';
			$drequest = $this->getDiffusionRequest();
			$this->buildActionButtons($drequest);
			$header = $this->buildPanelHeaderView($title, $icon);

			$box = id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->appendChild($text);

			return $box;
			}

			private function buildErrorCorpus($message) {
			$text = id(new PHUIBoxView())
			->addPadding(PHUI::PADDING_LARGE)
			->appendChild($message);

			$header = id(new PHUIHeaderView())
			->setHeader(pht('Details'));

			$box = id(new PHUIObjectBoxView())
			->setHeader($header)
			->appendChild($text);

			return $box;
			}

			private function buildBeforeResponse($before) {
			$request = $this->getRequest();
			$drequest = $this->getDiffusionRequest();

			// NOTE: We need to get the grandparent so we can capture filename changes
			// in the parent.

			$parent = $this->loadParentCommitOf($before);
			$old_filename = null;
			$was_created = false;
			if ($parent) {
			$grandparent = $this->loadParentCommitOf($parent);

			if ($grandparent) {
			$rename_query = new DiffusionRenameHistoryQuery();
			$rename_query->setRequest($drequest);
			$rename_query->setOldCommit($grandparent);
			$rename_query->setViewer($request->getUser());
			$old_filename = $rename_query->loadOldFilename();
			$was_created = $rename_query->getWasCreated();
			}
			}

			$follow = null;
			if ($was_created) {
			// If the file was created in history, that means older commits won't
			// have it. Since we know it existed at 'before', it must have been
			// created then; jump there.
			$target_commit = $before;
			$follow = 'created';
			} else if ($parent) {
			// If we found a parent, jump to it. This is the normal case.
			$target_commit = $parent;
			} else {
			// If there's no parent, this was probably created in the initial commit?
			// And the "was_created" check will fail because we can't identify the
			// grandparent. Keep the user at 'before'.
			$target_commit = $before;
			$follow = 'first';
			}

			$path = $drequest->getPath();
			$renamed = null;
			if ($old_filename !== null &&
			$old_filename !== '/'.$path) {
			$renamed = $path;
			$path = $old_filename;
			}

			$line = null;
			// If there's a follow error, drop the line so the user sees the message.
			if (!$follow) {
			$line = $this->getBeforeLineNumber($target_commit);
			}

			$before_uri = $drequest->generateURI(
			array(
			'action' => 'browse',
			'commit' => $target_commit,
			'line' => $line,
			'path' => $path,
			));

			$before_uri->setQueryParams($request->getRequestURI()->getQueryParams());
			$before_uri = $before_uri->alter('before', null);
			$before_uri = $before_uri->alter('renamed', $renamed);
			$before_uri = $before_uri->alter('follow', $follow);

			return id(new AphrontRedirectResponse())->setURI($before_uri);
			}

			private function getBeforeLineNumber($target_commit) {
			$drequest = $this->getDiffusionRequest();
			$viewer = $this->getViewer();

			$line = $drequest->getLine();
			if (!$line) {
			return null;
			}

			$diff_info = $this->callConduitWithDiffusionRequest(
			'diffusion.rawdiffquery',
			array(
			'commit' => $drequest->getCommit(),
			'path' => $drequest->getPath(),
			'againstCommit' => $target_commit,
			));

			$file_phid = $diff_info['filePHID'];
			$file = id(new PhabricatorFileQuery())
			->setViewer($viewer)
			->withPHIDs(array($file_phid))
			->executeOne();
			if (!$file) {
			throw new Exception(
			pht(
			'Failed to load file ("%s") returned by "%s".',
			$file_phid,
			'diffusion.rawdiffquery.'));
			}

			$raw_diff = $file->loadFileData();

			$old_line = 0;
			$new_line = 0;

			foreach (explode("\n", $raw_diff) as $text) {
			if ($text[0] == '-' \|\| $text[0] == ' ') {
			$old_line++;
			}
			if ($text[0] == '+' \|\| $text[0] == ' ') {
			$new_line++;
			}
			if ($new_line == $line) {
			return $old_line;
			}
			}

			// We didn't find the target line.
			return $line;
			}

			private function loadParentCommitOf($commit) {
			$drequest = $this->getDiffusionRequest();
			$user = $this->getRequest()->getUser();

			$before_req = DiffusionRequest::newFromDictionary(
			array(
			'user' => $user,
			'repository' => $drequest->getRepository(),
			'commit' => $commit,
			));

			$parents = DiffusionQuery::callConduitWithDiffusionRequest(
			$user,
			$before_req,
			'diffusion.commitparentsquery',
			array(
			'commit' => $commit,
			));

			return head($parents);
			}

			private function renderRevisionTooltip(
			DifferentialRevision $revision,
			$handles) {
			$viewer = $this->getRequest()->getUser();

			$date = phabricator_date($revision->getDateModified(), $viewer);
			$id = $revision->getID();
			$title = $revision->getTitle();
			$header = "D{$id} {$title}";

			$author = $handles[$revision->getAuthorPHID()]->getName();

			return "{$header}\n{$date} \xC2\xB7 {$author}";
			}

			private function renderCommitTooltip(
			PhabricatorRepositoryCommit $commit,
			$author) {

			$viewer = $this->getRequest()->getUser();

			$date = phabricator_date($commit->getEpoch(), $viewer);
			$summary = trim($commit->getSummary());

			return "{$summary}\n{$date} \xC2\xB7 {$author}";
			}

			protected function markupText($text) {
			$engine = PhabricatorMarkupEngine::newDiffusionMarkupEngine();
			$engine->setConfig('viewer', $this->getRequest()->getUser());
			$text = $engine->markupText($text);

			$text = phutil_tag(
			'div',
			array(
			'class' => 'phabricator-remarkup',
			),
			$text);

			return $text;
			}

			protected function buildHeaderView(DiffusionRequest $drequest) {
			$viewer = $this->getViewer();
			$repository = $drequest->getRepository();

			$commit_tag = $this->renderCommitHashTag($drequest);

			$path = nonempty($drequest->getPath(), '/');

			$search = $this->renderSearchForm($path);

			$header = id(new PHUIHeaderView())
			->setUser($viewer)
			->setHeader($this->renderPathLinks($drequest, $mode = 'browse'))
			->addActionItem($search)
			->addTag($commit_tag)
			->addClass('diffusion-browse-header');

			if (!$repository->isSVN()) {
			$branch_tag = $this->renderBranchTag($drequest);
			$header->addTag($branch_tag);
			}

			return $header;
			}

			protected function buildPanelHeaderView($title, $icon) {

			$header = id(new PHUIHeaderView())
			->setHeader($title)
			->setHeaderIcon($icon)
			->addClass('diffusion-panel-header-view');

			return $header;

			}

			protected function buildActionButtons(
			DiffusionRequest $drequest,
			$is_directory = false) {

			$viewer = $this->getViewer();
			$repository = $drequest->getRepository();
			$history_uri = $drequest->generateURI(array('action' => 'history'));
			$behind_head = $drequest->getSymbolicCommit();
			$compare = null;
			$head_uri = $drequest->generateURI(
			array(
			'commit' => '',
			'action' => 'browse',
			));

			if ($repository->supportsBranchComparison() && $is_directory) {
			$compare_uri = $drequest->generateURI(array('action' => 'compare'));
			$compare = id(new PHUIButtonView())
			->setText(pht('Compare'))
			->setIcon('fa-code-fork')
			->setWorkflow(true)
			->setTag('a')
			->setHref($compare_uri)
			->setColor(PHUIButtonView::GREY);
			$this->corpusButtons[] = $compare;
			}

			$head = null;
			if ($behind_head) {
			$head = id(new PHUIButtonView())
			->setTag('a')
			->setText(pht('Back to HEAD'))
			->setHref($head_uri)
			->setIcon('fa-home')
			->setColor(PHUIButtonView::GREY);
			$this->corpusButtons[] = $head;
			}

			$history = id(new PHUIButtonView())
			->setText(pht('History'))
			->setHref($history_uri)
			->setTag('a')
			->setIcon('fa-history')
			->setColor(PHUIButtonView::GREY);
			$this->corpusButtons[] = $history;

			}

			protected function buildPropertyView(
			DiffusionRequest $drequest) {

			$viewer = $this->getViewer();
			$view = id(new PHUIPropertyListView())
			->setUser($viewer);

			if ($drequest->getSymbolicType() == 'tag') {
			$symbolic = $drequest->getSymbolicCommit();
			$view->addProperty(pht('Tag'), $symbolic);

			$tags = $this->callConduitWithDiffusionRequest(
			'diffusion.tagsquery',
			array(
			'names' => array($symbolic),
			'needMessages' => true,
			));
			$tags = DiffusionRepositoryTag::newFromConduit($tags);

			$tags = mpull($tags, null, 'getName');
			$tag = idx($tags, $symbolic);

			if ($tag && strlen($tag->getMessage())) {
			$view->addSectionHeader(
			pht('Tag Content'), 'fa-tag');
			$view->addTextContent($this->markupText($tag->getMessage()));
			}
			}

			if ($view->hasAnyProperties()) {
			return $view;
			}

			return null;
			}

			private function buildOpenRevisions() {
			$viewer = $this->getViewer();

			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();
			$path = $drequest->getPath();

			$path_map = id(new DiffusionPathIDQuery(array($path)))->loadPathIDs();
			$path_id = idx($path_map, $path);
			if (!$path_id) {
			return null;
			}

			$recent = (PhabricatorTime::getNow() - phutil_units('30 days in seconds'));

			$revisions = id(new DifferentialRevisionQuery())
			->setViewer($viewer)
			->withPath($repository->getID(), $path_id)
			->withIsOpen(true)
			->withUpdatedEpochBetween($recent, null)
			->setOrder(DifferentialRevisionQuery::ORDER_MODIFIED)
			->setLimit(10)
			->needReviewers(true)
			->needFlags(true)
			->needDrafts(true)
			->execute();

			if (!$revisions) {
			return null;
			}

			$header = id(new PHUIHeaderView())
			->setHeader(pht('Recently Open Revisions'));

			$list = id(new DifferentialRevisionListView())
			->setRevisions($revisions)
			->setUser($viewer)
			->setNoBox(true);

			$phids = $list->getRequiredHandlePHIDs();
			$handles = $this->loadViewerHandles($phids);
			$list->setHandles($handles);

			$view = id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->appendChild($list);

			return $view;
			}

			private function loadBlame($path, $commit, $timeout) {
			$blame = $this->callConduitWithDiffusionRequest(
			'diffusion.blame',
			array(
			'commit' => $commit,
			'paths' => array($path),
			'timeout' => $timeout,
			));

			$identifiers = idx($blame, $path, null);

			if ($identifiers) {
			$viewer = $this->getViewer();
			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();

			$commits = id(new DiffusionCommitQuery())
			->setViewer($viewer)
			->withRepository($repository)
			->withIdentifiers($identifiers)
			->execute();
			$commits = mpull($commits, null, 'getCommitIdentifier');
			} else {
			$commits = array();
			}

			return array($identifiers, $commits);
			}

			private function renderAuthorLinks(array $authors, $handles) {
			$links = array();

			foreach ($authors as $phid) {
			if (!strlen($phid)) {
			// This means we couldn't identify an author for the commit or the
			// revision. We just render a blank for alignment.
			$style = null;
			$href = null;
			} else {
			$src = $handles[$phid]->getImageURI();
			$style = 'background-image: url('.$src.');';
			$href = $handles[$phid]->getURI();
			}

			$links[$phid] = javelin_tag(
			$href ? 'a' : 'span',
			array(
			'class' => 'diffusion-author-link',
			'style' => $style,
			'href' => $href,
			'sigil' => 'has-tooltip',
			'meta' => array(
			'tip' => $handles[$phid]->getName(),
			'align' => 'E',
			),
			));
			}

			return $links;
			}

			private function renderCommitLinks(array $commits, $handles) {
			$links = array();
			$viewer = $this->getViewer();
			foreach ($commits as $identifier => $commit) {
			$date = phabricator_date($commit->getEpoch(), $viewer);
			$summary = trim($commit->getSummary());

			$commit_link = phutil_tag(
			'a',
			array(
			'href' => $commit->getURI(),
			),
			$summary);

			$commit_date = phutil_tag(
			'a',
			array(
			'href' => $commit->getURI(),
			),
			$date);

			$links[$identifier]['link'] = $commit_link;
			$links[$identifier]['date'] = $commit_date;
			}

			return $links;
			}

			private function renderRevisionLinks(array $revisions, $handles) {
			$links = array();

			foreach ($revisions as $revision) {
			$revision_id = $revision->getID();
			$revision_link = phutil_tag(
			'a',
			array(
			'href' => '/'.$revision->getMonogram(),
			),
			$revision->getMonogram());

			$links[$revision_id] = $revision_link;
			}

			return $links;
			}

			private function getGitLFSRef(PhabricatorRepository $repository, $data) {
			if (!$repository->canUseGitLFS()) {
			return null;
			}

			$lfs_pattern = '(^version https://git-lfs\\.github\\.com/spec/v1[\r\n])';
			if (!preg_match($lfs_pattern, $data)) {
			return null;
			}

			$matches = null;
			if (!preg_match('(^oid sha256:(.*)$)m', $data, $matches)) {
			return null;
			}

			$hash = $matches[1];
			$hash = trim($hash);

			return id(new PhabricatorRepositoryGitLFSRefQuery())
			->setViewer($this->getViewer())
			->withRepositoryPHIDs(array($repository->getPHID()))
			->withObjectHashes(array($hash))
			->executeOne();
			}

			private function buildGitLFSCorpus(PhabricatorRepositoryGitLFSRef $ref) {
			// TODO: We should probably test if we can load the file PHID here and
			// show the user an error if we can't, rather than making them click
			// through to hit an error.

			$title = basename($this->getDiffusionRequest()->getPath());
			$icon = 'fa-archive';
			$drequest = $this->getDiffusionRequest();
			$this->buildActionButtons($drequest);
			$header = $this->buildPanelHeaderView($title, $icon);

			$severity = PHUIInfoView::SEVERITY_NOTICE;

			$messages = array();
			$messages[] = pht(
			'This %s file is stored in Git Large File Storage.',
			phutil_format_bytes($ref->getByteSize()));

			try {
			$file = $this->loadGitLFSFile($ref);
			$data = $this->renderGitLFSButton();
			} catch (Exception $ex) {
			$severity = PHUIInfoView::SEVERITY_ERROR;
			$messages[] = pht('The data for this file could not be loaded.');
			}

			$this->corpusButtons[] = $this->renderFileButton(
			null, pht('View Raw LFS Pointer'));

			$corpus = id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->setCollapsed(true);

			if ($messages) {
			$corpus->setInfoView(
			id(new PHUIInfoView())
			->setSeverity($severity)
			->setErrors($messages));
			}

			return $corpus;
			}

			private function loadGitLFSFile(PhabricatorRepositoryGitLFSRef $ref) {
			$viewer = $this->getViewer();

			$file = id(new PhabricatorFileQuery())
			->setViewer($viewer)
			->withPHIDs(array($ref->getFilePHID()))
			->executeOne();
			if (!$file) {
			throw new Exception(
			pht(
			'Failed to load file object for Git LFS ref "%s"!',
			$ref->getObjectHash()));
			}

			return $file;
			}

			private function buildBranchTable() {
			$viewer = $this->getViewer();
			$drequest = $this->getDiffusionRequest();
			$repository = $drequest->getRepository();

			$branch = $drequest->getBranch();
			$default_branch = $repository->getDefaultBranch();

			if ($branch === $default_branch) {
			return null;
			}

			$pager = id(new PHUIPagerView())
			->setPageSize(10);

			try {
			$results = $this->callConduitWithDiffusionRequest(
			'diffusion.historyquery',
			array(
			'commit' => $branch,
			'against' => $default_branch,
			'path' => $drequest->getPath(),
			'offset' => $pager->getOffset(),
			'limit' => $pager->getPageSize() + 1,
			));
			} catch (Exception $ex) {
			return null;
			}

			$history = DiffusionPathChange::newFromConduit($results['pathChanges']);
			$history = $pager->sliceResults($history);

			if (!$history) {
			return null;
			}

			$history_table = id(new DiffusionHistoryTableView())
			->setViewer($viewer)
			->setDiffusionRequest($drequest)
			->setHistory($history);

			$history_table->loadRevisions();

			$history_table
			->setParents($results['parents'])
			->setFilterParents(true)
			->setIsHead(true)
			->setIsTail(!$pager->getHasMorePages());

			$header = id(new PHUIHeaderView())
			->setHeader(pht('%s vs %s', $branch, $default_branch));

			return id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addClass('diffusion-mobile-view')
			->setTable($history_table);
			}

			}

phab/src/applications/diffusion/controller/DiffusionBrowseController.php3ac27e66ef56stable

DiffusionBrowseController.phpView Options

phab/src/applications/diffusion/controller/DiffusionBrowseController.php
3ac27e66ef56stable

DiffusionBrowseController.php
View Options