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phab/src/applications/phriction/controller/PhrictionDiffController.php
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PhrictionDiffController.php
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<?php
final class PhrictionDiffController extends PhrictionController {
private $id;
public function shouldAllowPublic() {
return true;
}
public function willProcessRequest(array $data) {
$this->id = $data['id'];
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$document = id(new PhrictionDocumentQuery())
->setViewer($user)
->withIDs(array($this->id))
->needContent(true)
->executeOne();
if (!$document) {
return new Aphront404Response();
}
$current = $document->getContent();
$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();
$text_l = phutil_utf8_hard_wrap($text_l, 80);
$text_l = implode("\n", $text_l);
$text_r = phutil_utf8_hard_wrap($text_r, 80);
$text_r = implode("\n", $text_r);
$engine = new PhabricatorDifferenceEngine();
$changeset = $engine->generateChangesetFromFileContent($text_l, $text_r);
$changeset->setFilename($content_r->getTitle());
$changeset->setOldProperties(
array(
'Title' => $content_l->getTitle(),
));
$changeset->setNewProperties(
array(
'Title' => $content_r->getTitle(),
));
$whitespace_mode = DifferentialChangesetParser::WHITESPACE_SHOW_ALL;
$parser = new DifferentialChangesetParser();
$parser->setUser($user);
$parser->setChangeset($changeset);
$parser->setRenderingReference("{$l},{$r}");
$parser->setWhitespaceMode($whitespace_mode);
$engine = new PhabricatorMarkupEngine();
$engine->setViewer($user);
$engine->process();
$parser->setMarkupEngine($engine);
$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);
}
$output = id(new DifferentialChangesetDetailView())
->setUser($this->getViewer())
->setChangeset($changeset)
->setRenderingRef("{$l},{$r}")
->setRenderURI('/phriction/diff/'.$document->getID().'/')
->appendChild($output);
require_celerity_resource('differential-changeset-view-css');
require_celerity_resource('syntax-highlighting-css');
require_celerity_resource('phriction-document-css');
Javelin::initBehavior('differential-populate', array(
'changesetViewIDs' => array($output->getID()),
));
Javelin::initBehavior('differential-show-more');
$slug = $document->getSlug();
$revert_l = $this->renderRevertButton($content_l, $current);
$revert_r = $this->renderRevertButton($content_r, $current);
$crumbs = $this->buildApplicationCrumbs();
$crumb_views = $this->renderBreadcrumbs($slug);
foreach ($crumb_views as $view) {
$crumbs->addCrumb($view);
}
$crumbs->addTextCrumb(
pht('History'),
PhrictionDocument::getSlugURI($slug, 'history'));
$title = pht('Version %s vs %s', $l, $r);
$header = id(new PHUIHeaderView())
->setHeader($title);
$crumbs->addTextCrumb($title, $request->getRequestURI());
$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_tag(
'a',
array(
'href' => $uri->alter('l', $l - 1)->alter('r', $r - 1),
'class' => 'button',
),
pht("\xC2\xAB Previous Change"));
} else {
$link_l = phutil_tag(
'a',
array(
'href' => '#',
'class' => 'button grey disabled',
),
pht('Original Change'));
}
$link_r = null;
if ($nav_r) {
$link_r = phutil_tag(
'a',
array(
'href' => $uri->alter('l', $l + 1)->alter('r', $r + 1),
'class' => 'button',
),
pht("Next Change \xC2\xBB"));
} else {
$link_r = phutil_tag(
'a',
array(
'href' => '#',
'class' => 'button grey disabled',
),
pht('Most Recent Change'));
}
$navigation_table = phutil_tag(
'table',
array('class' => 'phriction-history-nav-table'),
phutil_tag('tr', array(), array(
phutil_tag('td', array('class' => 'nav-prev'), $link_l),
phutil_tag('td', array('class' => 'nav-next'), $link_r),
)));
}
$output = hsprintf(
'<div class="phriction-document-history-diff">'.
'%s%s'.
'<table class="phriction-revert-table">'.
'<tr><td>%s</td><td>%s</td>'.
'</table>'.
'%s'.
'</div>',
$comparison_table->render(),
$navigation_table,
$revert_l,
$revert_r,
$output);
$object_box = id(new PHUIObjectBoxView())
->setHeader($header)
->appendChild($output);
return $this->buildApplicationPage(
array(
$crumbs,
$object_box,
),
array(
'title' => pht('Document History'),
));
}
private function renderRevertButton(
PhrictionContent $content,
PhrictionContent $current) {
$document_id = $content->getDocumentID();
$version = $content->getVersion();
$hidden_statuses = array(
PhrictionChangeType::CHANGE_DELETE => true, // Silly
PhrictionChangeType::CHANGE_MOVE_AWAY => true, // Plain silly
PhrictionChangeType::CHANGE_STUB => true, // Utterly silly
);
if (isset($hidden_statuses[$content->getChangeType()])) {
// Don't show an edit/revert button for changes which deleted, moved or
// stubbed the content since it's silly.
return null;
}
if ($content->getID() == $current->getID()) {
return phutil_tag(
'a',
array(
'href' => '/phriction/edit/'.$document_id.'/',
'class' => 'button grey',
),
pht('Edit Current Version'));
}
return phutil_tag(
'a',
array(
'href' => '/phriction/edit/'.$document_id.'/?revert='.$version,
'class' => 'button grey',
),
pht('Revert to Version %s...', $version));
}
private function renderComparisonTable(array $content) {
assert_instances_of($content, 'PhrictionContent');
$user = $this->getRequest()->getUser();
$phids = mpull($content, 'getAuthorPHID');
$handles = $this->loadViewerHandles($phids);
$list = new PHUIObjectItemListView();
$list->setFlush(true);
$first = true;
foreach ($content as $c) {
$author = $handles[$c->getAuthorPHID()]->renderLink();
$item = id(new PHUIObjectItemView())
->setHeader(pht('%s by %s, %s',
PhrictionChangeType::getChangeTypeLabel($c->getChangeType()),
$author,
pht('Version %s', $c->getVersion())))
->addAttribute(pht('%s %s',
phabricator_date($c->getDateCreated(), $user),
phabricator_time($c->getDateCreated(), $user)));
if ($c->getDescription()) {
$item->addAttribute($c->getDescription());
}
if ($first == true) {
$item->setBarColor('green');
$first = false;
} else {
$item->setBarColor('red');
}
$list->addItem($item);
}
return $list;
}
}
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