DiffusionBrowseFileController.php
36e2d02d6ec5stable

DiffusionBrowseFileController.php
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			<?php

			final class DiffusionBrowseFileController extends DiffusionBrowseController {

			private $lintCommit;
			private $lintMessages;
			private $coverage;

			protected function processDiffusionRequest(AphrontRequest $request) {
			$drequest = $this->getDiffusionRequest();
			$viewer = $request->getUser();

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

			$path = $drequest->getPath();

			$preferences = $viewer->loadPreferences();

			$show_blame = $request->getBool(
			'blame',
			$preferences->getPreference(
			PhabricatorUserPreferences::PREFERENCE_DIFFUSION_BLAME,
			false));
			$show_color = $request->getBool(
			'color',
			$preferences->getPreference(
			PhabricatorUserPreferences::PREFERENCE_DIFFUSION_COLOR,
			true));

			$view = $request->getStr('view');
			if ($request->isFormPost() && $view != 'raw' && $viewer->isLoggedIn()) {
			$preferences->setPreference(
			PhabricatorUserPreferences::PREFERENCE_DIFFUSION_BLAME,
			$show_blame);
			$preferences->setPreference(
			PhabricatorUserPreferences::PREFERENCE_DIFFUSION_COLOR,
			$show_color);
			$preferences->save();

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

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

			// We need the blame information if blame is on and we're building plain
			// text, or 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 && !$show_color) \|\|
			($show_blame && $request->isAjax());

			$file_content = DiffusionFileContent::newFromConduit(
			$this->callConduitWithDiffusionRequest(
			'diffusion.filecontentquery',
			array(
			'commit' => $drequest->getCommit(),
			'path' => $drequest->getPath(),
			'needsBlame' => $needs_blame,
			)));
			$data = $file_content->getCorpus();

			if ($view === 'raw') {
			return $this->buildRawResponse($path, $data);
			}

			$this->loadLintMessages();
			$this->coverage = $drequest->loadCoverage();

			$binary_uri = null;
			if (ArcanistDiffUtils::isHeuristicBinaryFile($data)) {
			$file = $this->loadFileForData($path, $data);
			$file_uri = $file->getBestURI();

			if ($file->isViewableImage()) {
			$corpus = $this->buildImageCorpus($file_uri);
			} else {
			$corpus = $this->buildBinaryCorpus($file_uri, $data);
			$binary_uri = $file_uri;
			}
			} else {
			// Build the content of the file.
			$corpus = $this->buildCorpus(
			$show_blame,
			$show_color,
			$file_content,
			$needs_blame,
			$drequest,
			$path,
			$data);
			}

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

			require_celerity_resource('diffusion-source-css');

			// Render the page.
			$view = $this->buildActionView($drequest);
			$action_list = $this->enrichActionView(
			$view,
			$drequest,
			$show_blame,
			$show_color);

			$properties = $this->buildPropertyView($drequest, $action_list);
			$object_box = id(new PHUIObjectBoxView())
			->setHeader($this->buildHeaderView($drequest))
			->addPropertyList($properties);

			$content = array();
			$content[] = $object_box;

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

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

			$content[] = $corpus;
			$content[] = $this->buildOpenRevisions();

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

			$basename = basename($this->getDiffusionRequest()->getPath());

			return $this->buildApplicationPage(
			array(
			$crumbs,
			$content,
			),
			array(
			'title' => $basename,
			));
			}

			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,
			$show_color,
			DiffusionFileContent $file_content,
			$needs_blame,
			DiffusionRequest $drequest,
			$path,
			$data) {

			if (!$show_color) {
			$style =
			'border: none; width: 100%; height: 80em; font-family: monospace';
			if (!$show_blame) {
			$corpus = phutil_tag(
			'textarea',
			array(
			'style' => $style,
			),
			$file_content->getCorpus());
			} else {
			$text_list = $file_content->getTextList();
			$rev_list = $file_content->getRevList();
			$blame_dict = $file_content->getBlameDict();

			$rows = array();
			foreach ($text_list as $k => $line) {
			$rev = $rev_list[$k];
			$author = $blame_dict[$rev]['author'];
			$rows[] =
			sprintf('%-10s %-20s %s', substr($rev, 0, 7), $author, $line);
			}

			$corpus = phutil_tag(
			'textarea',
			array(
			'style' => $style,
			),
			implode("\n", $rows));
			}
			} else {
			require_celerity_resource('syntax-highlighting-css');
			$text_list = $file_content->getTextList();
			$rev_list = $file_content->getRevList();
			$blame_dict = $file_content->getBlameDict();

			$text_list = implode("\n", $text_list);
			$text_list = PhabricatorSyntaxHighlighter::highlightWithFilename(
			$path,
			$text_list);
			$text_list = explode("\n", $text_list);

			$rows = $this->buildDisplayRows($text_list, $rev_list, $blame_dict,
			$needs_blame, $drequest, $show_blame, $show_color);

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

			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;

			$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));
			}

			$edit = $this->renderEditButton();
			$file = $this->renderFileButton();
			$header = id(new PHUIHeaderView())
			->setHeader(pht('File Contents'))
			->addActionLink($edit)
			->addActionLink($file);

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

			return $corpus;
			}

			private function enrichActionView(
			PhabricatorActionListView $view,
			DiffusionRequest $drequest,
			$show_blame,
			$show_color) {

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

			$view->addAction(
			id(new PhabricatorActionView())
			->setName(pht('Show Last Change'))
			->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;
			}

			$view->addAction(
			id(new PhabricatorActionView())
			->setName($blame_text)
			->setHref($base_uri->alter('blame', $blame_value))
			->setIcon($blame_icon)
			->setUser($viewer)
			->setRenderAsForm($viewer->isLoggedIn()));

			if ($show_color) {
			$highlight_text = pht('Disable Highlighting');
			$highlight_icon = 'fa-star-o grey';
			$highlight_value = 0;
			} else {
			$highlight_text = pht('Enable Highlighting');
			$highlight_icon = 'fa-star';
			$highlight_value = 1;
			}

			$view->addAction(
			id(new PhabricatorActionView())
			->setName($highlight_text)
			->setHref($base_uri->alter('color', $highlight_value))
			->setIcon($highlight_icon)
			->setUser($viewer)
			->setRenderAsForm($viewer->isLoggedIn()));

			$href = null;
			if ($this->getRequest()->getStr('lint') !== null) {
			$lint_text = pht('Hide %d Lint Message(s)', count($this->lintMessages));
			$href = $base_uri->alter('lint', null);

			} else if ($this->lintCommit === null) {
			$lint_text = pht('Lint not Available');
			} else {
			$lint_text = pht(
			'Show %d Lint Message(s)',
			count($this->lintMessages));
			$href = $this->getDiffusionRequest()->generateURI(array(
			'action' => 'browse',
			'commit' => $this->lintCommit,
			))->alter('lint', '');
			}

			$view->addAction(
			id(new PhabricatorActionView())
			->setName($lint_text)
			->setHref($href)
			->setIcon('fa-exclamation-triangle')
			->setDisabled(!$href));

			return $view;
			}

			private function renderEditButton() {
			$request = $this->getRequest();
			$user = $request->getUser();

			$drequest = $this->getDiffusionRequest();

			$repository = $drequest->getRepository();
			$path = $drequest->getPath();
			$line = nonempty((int)$drequest->getLine(), 1);

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

			$icon_edit = id(new PHUIIconView())
			->setIconFont('fa-pencil');
			$button = id(new PHUIButtonView())
			->setTag('a')
			->setText(pht('Open in Editor'))
			->setHref($editor_link)
			->setIcon($icon_edit)
			->setID('editor_link')
			->setMetadata(array('link_template' => $template))
			->setDisabled(!$editor_link);

			return $button;
			}

			private function renderFileButton($file_uri = null) {

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

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

			$iconview = id(new PHUIIconView())
			->setIconFont($icon);
			$button = id(new PHUIButtonView())
			->setTag('a')
			->setText($text)
			->setHref($href)
			->setIcon($iconview);

			return $button;
			}


			private function buildDisplayRows(
			array $text_list,
			array $rev_list,
			array $blame_dict,
			$needs_blame,
			DiffusionRequest $drequest,
			$show_blame,
			$show_color) {

			$handles = array();
			if ($blame_dict) {
			$epoch_list = ipull(ifilter($blame_dict, 'epoch'), 'epoch');
			$epoch_min = min($epoch_list);
			$epoch_max = max($epoch_list);
			$epoch_range = ($epoch_max - $epoch_min) + 1;

			$author_phids = ipull(ifilter($blame_dict, 'authorPHID'), 'authorPHID');
			$handles = $this->loadViewerHandles($author_phids);
			}

			$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,
			);
			}
			}

			$display = array();

			$line_number = 1;
			$last_rev = null;
			$color = null;
			foreach ($text_list as $k => $line) {
			$display_line = array(
			'epoch' => null,
			'commit' => null,
			'author' => null,
			'target' => null,
			'highlighted' => null,
			'line' => $line_number,
			'data' => $line,
			);

			if ($show_blame) {
			// If the line's rev is same as the line above, show empty content
			// with same color; otherwise generate blame info. The newer a change
			// is, the more saturated the color.

			$rev = idx($rev_list, $k, $last_rev);

			if ($last_rev == $rev) {
			$display_line['color'] = $color;
			} else {
			$blame = $blame_dict[$rev];

			if (!isset($blame['epoch'])) {
			$color = '#ffd'; // Render as warning.
			} else {
			$color_ratio = ($blame['epoch'] - $epoch_min) / $epoch_range;
			$color_value = 0xE6 * (1.0 - $color_ratio);
			$color = sprintf(
			'#%02x%02x%02x',
			$color_value,
			0xF6,
			$color_value);
			}

			$display_line['epoch'] = idx($blame, 'epoch');
			$display_line['color'] = $color;
			$display_line['commit'] = $rev;

			$author_phid = idx($blame, 'authorPHID');
			if ($author_phid && $handles[$author_phid]) {
			$author_link = $handles[$author_phid]->renderLink();
			} else {
			$author_link = $blame['author'];
			}
			$display_line['author'] = $author_link;

			$last_rev = $rev;
			}
			}

			if ($line_arr) {
			if ($line_number == $line_arr[0]['min']) {
			$display_line['target'] = true;
			}
			foreach ($line_arr as $range) {
			if ($line_number >= $range['min'] &&
			$line_number <= $range['max']) {
			$display_line['highlighted'] = true;
			}
			}
			}

			$display[] = $display_line;
			++$line_number;
			}

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

			$commits = array_filter(ipull($display, 'commit'));
			if ($commits) {
			$commits = id(new DiffusionCommitQuery())
			->setViewer($viewer)
			->withRepository($drequest->getRepository())
			->withIdentifiers($commits)
			->execute();
			$commits = mpull($commits, null, 'getCommitIdentifier');
			}

			$revision_ids = id(new DifferentialRevision())
			->loadIDsByCommitPHIDs(mpull($commits, 'getPHID'));
			$revisions = array();
			if ($revision_ids) {
			$revisions = id(new DifferentialRevisionQuery())
			->setViewer($viewer)
			->withIDs($revision_ids)
			->execute();
			}

			$phids = array();
			foreach ($commits as $commit) {
			if ($commit->getAuthorPHID()) {
			$phids[] = $commit->getAuthorPHID();
			}
			}
			foreach ($revisions as $revision) {
			if ($revision->getAuthorPHID()) {
			$phids[] = $revision->getAuthorPHID();
			}
			}
			$handles = $this->loadViewerHandles($phids);

			Javelin::initBehavior('phabricator-oncopy', array());

			$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);

			foreach ($display as $line) {

			$line_href = $drequest->generateURI(
			array(
			'action' => 'browse',
			'line' => $line['line'],
			'stable' => true,
			));

			$blame = array();
			$style = null;
			if (array_key_exists('color', $line)) {
			if ($line['color']) {
			$style = 'background: '.$line['color'].';';
			}

			$before_link = null;
			$commit_link = null;
			$revision_link = null;
			if (idx($line, 'commit')) {
			$commit = $line['commit'];

			if (idx($commits, $commit)) {
			$tooltip = $this->renderCommitTooltip(
			$commits[$commit],
			$handles,
			$line['author']);
			} else {
			$tooltip = null;
			}

			Javelin::initBehavior('phabricator-tooltips', array());
			require_celerity_resource('aphront-tooltip-css');

			$commit_link = javelin_tag(
			'a',
			array(
			'href' => $drequest->generateURI(
			array(
			'action' => 'commit',
			'commit' => $line['commit'],
			)),
			'sigil' => 'has-tooltip',
			'meta' => array(
			'tip' => $tooltip,
			'align' => 'E',
			'size' => 600,
			),
			),
			id(new PhutilUTF8StringTruncator())
			->setMaximumGlyphs(9)
			->setTerminator('')
			->truncateString($line['commit']));

			$revision_id = null;
			if (idx($commits, $commit)) {
			$revision_id = idx($revision_ids, $commits[$commit]->getPHID());
			}

			if ($revision_id) {
			$revision = idx($revisions, $revision_id);
			if ($revision) {
			$tooltip = $this->renderRevisionTooltip($revision, $handles);
			$revision_link = javelin_tag(
			'a',
			array(
			'href' => '/D'.$revision->getID(),
			'sigil' => 'has-tooltip',
			'meta' => array(
			'tip' => $tooltip,
			'align' => 'E',
			'size' => 600,
			),
			),
			'D'.$revision->getID());
			}
			}

			$uri = $line_href->alter('before', $commit);
			$before_link = javelin_tag(
			'a',
			array(
			'href' => $uri->setQueryParam('view', 'blame'),
			'sigil' => 'has-tooltip',
			'meta' => array(
			'tip' => pht('Skip Past This Commit'),
			'align' => 'E',
			'size' => 300,
			),
			),
			"\xC2\xAB");
			}

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

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

			$blame[] = phutil_tag(
			'th',
			array(
			'class' => 'diffusion-rev-link',
			),
			$object_links);
			}

			$line_link = phutil_tag(
			'a',
			array(
			'href' => $line_href,
			'style' => $style,
			),
			$line['line']);

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

			Javelin::initBehavior('phabricator-line-linker');

			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;
			}

			$blame[] = 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) {
			require_celerity_resource('differential-changeset-view-css');
			$cov_index = $line['line'] - 1;

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

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

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

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

			return $rows;
			}

			private function renderInlines(
			array $inlines,
			$needs_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();

			$row = array_fill(0, ($needs_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 loadFileForData($path, $data) {
			$file = PhabricatorFile::buildFromFileDataOrHash(
			$data,
			array(
			'name' => basename($path),
			'ttl' => time() + 60 * 60 * 24,
			'viewPolicy' => PhabricatorPolicies::POLICY_NOONE,
			));

			$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
			$file->attachToObject(
			$this->getDiffusionRequest()->getRepository()->getPHID());
			unset($unguarded);

			return $file;
			}

			private function buildRawResponse($path, $data) {
			$file = $this->loadFileForData($path, $data);
			return $file->getRedirectResponse();
			}

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

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

			$file = $this->renderFileButton($file_uri);
			$header = id(new PHUIHeaderView())
			->setHeader(pht('Image'))
			->addActionLink($file);

			return id(new PHUIObjectBoxView())
			->setHeader($header)
			->addPropertyList($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);

			$file = $this->renderFileButton($file_uri);
			$header = id(new PHUIHeaderView())
			->setHeader(pht('Details'))
			->addActionLink($file);

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

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

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

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

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

			if ($commit->getAuthorPHID()) {
			$author = $handles[$commit->getAuthorPHID()]->getName();
			}

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

			}

phab/src/applications/diffusion/controller/DiffusionBrowseFileController.php36e2d02d6ec5stable

DiffusionBrowseFileController.phpView Options

phab/src/applications/diffusion/controller/DiffusionBrowseFileController.php
36e2d02d6ec5stable

DiffusionBrowseFileController.php
View Options