public function processRequest()
{
$request = $this->getRequest();
$author_phid = $request->getUser()->getPHID();
$rendering_reference = $request->getStr('ref');
$parts = explode('/', $rendering_reference);
if (count($parts) == 2) {
list($id, $vs) = $parts;
} else {
$id = $parts[0];
$vs = 0;
}
$id = (int) $id;
$vs = (int) $vs;
$changeset = id(new DifferentialChangeset())->load($id);
if (!$changeset) {
return new Aphront404Response();
}
$view = $request->getStr('view');
if ($view) {
$changeset->attachHunks($changeset->loadHunks());
switch ($view) {
case 'new':
return $this->buildRawFileResponse($changeset->makeNewFile());
case 'old':
return $this->buildRawFileResponse($changeset->makeOldFile());
default:
return new Aphront400Response();
}
}
if ($vs && $vs != -1) {
$vs_changeset = id(new DifferentialChangeset())->load($vs);
if (!$vs_changeset) {
return new Aphront404Response();
}
}
if (!$vs) {
$right = $changeset;
$left = null;
$right_source = $right->getID();
$right_new = true;
$left_source = $right->getID();
$left_new = false;
$render_cache_key = $right->getID();
} else {
if ($vs == -1) {
$right = null;
$left = $changeset;
$right_source = $left->getID();
$right_new = false;
$left_source = $left->getID();
$left_new = true;
$render_cache_key = null;
} else {
$right = $changeset;
$left = $vs_changeset;
$right_source = $right->getID();
$right_new = true;
$left_source = $left->getID();
$left_new = true;
$render_cache_key = null;
}
}
if ($left) {
$left->attachHunks($left->loadHunks());
}
if ($right) {
$right->attachHunks($right->loadHunks());
}
if ($left) {
$left_data = $left->makeNewFile();
if ($right) {
$right_data = $right->makeNewFile();
} else {
$right_data = $left->makeOldFile();
}
$engine = new PhabricatorDifferenceEngine();
$synthetic = $engine->generateChangesetFromFileContent($left_data, $right_data);
$choice = nonempty($left, $right);
$choice->attachHunks($synthetic->getHunks());
$changeset = $choice;
$changeset->setID(null);
}
$spec = $request->getStr('range');
list($range_s, $range_e, $mask) = DifferentialChangesetParser::parseRangeSpecification($spec);
$parser = new DifferentialChangesetParser();
$parser->setChangeset($changeset);
$parser->setRenderingReference($rendering_reference);
$parser->setRenderCacheKey($render_cache_key);
$parser->setRightSideCommentMapping($right_source, $right_new);
$parser->setLeftSideCommentMapping($left_source, $left_new);
$parser->setWhitespaceMode($request->getStr('whitespace'));
// Load both left-side and right-side inline comments.
$inlines = $this->loadInlineComments(array($left_source, $right_source), $author_phid);
$phids = array();
foreach ($inlines as $inline) {
$parser->parseInlineComment($inline);
$phids[$inline->getAuthorPHID()] = true;
}
$phids = array_keys($phids);
$handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
$parser->setHandles($handles);
$engine = PhabricatorMarkupEngine::newDifferentialMarkupEngine();
$parser->setMarkupEngine($engine);
if ($request->isAjax()) {
// TODO: This is sort of lazy, the effect is just to not render "Edit"
// links on the "standalone view".
$parser->setUser($request->getUser());
}
$output = $parser->render($range_s, $range_e, $mask);
if ($request->isAjax()) {
return id(new AphrontAjaxResponse())->setContent($output);
}
Javelin::initBehavior('differential-show-more', array('uri' => '/differential/changeset/', 'whitespace' => $request->getStr('whitespace')));
Javelin::initBehavior('differential-comment-jump', array());
$detail = new DifferentialChangesetDetailView();
$detail->setChangeset($changeset);
$detail->appendChild($output);
if (!$vs) {
$detail->addButton(phutil_render_tag('a', array('href' => $request->getRequestURI()->alter('view', 'old'), 'class' => 'grey button small'), 'View Raw File (Old Version)'));
$detail->addButton(phutil_render_tag('a', array('href' => $request->getRequestURI()->alter('view', 'new'), 'class' => 'grey button small'), 'View Raw File (New Version)'));
}
$detail->setRevisionID($request->getInt('revision_id'));
$output = id(new DifferentialPrimaryPaneView())->setLineWidthFromChangesets(array($changeset))->appendChild('<div class="differential-review-stage" ' . 'id="differential-review-stage">' . $detail->render() . '</div>');
return $this->buildStandardPageResponse(array($output), array('title' => 'Changeset View'));
}
