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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 {
public function shouldAllowPublic() {
return true;
}
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$id = $request->getURIData('id');
$document = id(new PhrictionDocumentQuery())
->setViewer($viewer)
->withIDs(array($id))
->needContent(true)
->executeOne();
if (!$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);
}
$content = id(new PhrictionContentQuery())
->setViewer($viewer)
->withDocumentPHIDs(array($document->getPHID()))
->withVersions(array($l, $r))
->execute();
$content = mpull($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();
$diff_view = id(new PhabricatorApplicationTransactionTextDiffDetailView())
->setOldText($text_l)
->setNewText($text_r);
$changes = id(new PHUIObjectBoxView())
->setHeaderText(pht('Content Changes'))
->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
->appendChild(
phutil_tag(
'div',
array(
'class' => 'prose-diff-frame',
),
$diff_view));
require_celerity_resource('phriction-document-css');
$slug = $document->getSlug();
$revert_l = $this->renderRevertButton($document, $content_l, $current);
$revert_r = $this->renderRevertButton($document, $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)
->setHeaderIcon('fa-history');
$crumbs->addTextCrumb($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 button-grey',
),
pht("\xC2\xAB Previous Change"));
} else {
$link_l = phutil_tag(
'a',
array(
'href' => '#',
'class' => 'button 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 button-grey',
),
pht("Next Change \xC2\xBB"));
} else {
$link_r = phutil_tag(
'a',
array(
'href' => '#',
'class' => 'button 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>'.
'</div>',
$comparison_table->render(),
$navigation_table,
$revert_l,
$revert_r);
$object_box = id(new PHUIObjectBoxView())
->setHeaderText(pht('Edits'))
->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
->appendChild($output);
$crumbs->setBorder(true);
$view = id(new PHUITwoColumnView())
->setHeader($header)
->setFooter(array(
$object_box,
$changes,
));
return $this->newPage()
->setTitle(pht('Document History'))
->setCrumbs($crumbs)
->appendChild($view);
}
private function renderRevertButton(
PhrictionDocument $document,
PhrictionContent $content,
PhrictionContent $current) {
$document_id = $document->getID();
$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 button-grey',
),
pht('Edit Current Version'));
}
return phutil_tag(
'a',
array(
'href' => '/phriction/edit/'.$document_id.'/?revert='.$version,
'class' => 'button button-grey',
),
pht('Revert to Version %s...', $version));
}
private function renderComparisonTable(array $content) {
assert_instances_of($content, 'PhrictionContent');
$viewer = $this->getViewer();
$phids = mpull($content, 'getAuthorPHID');
$handles = $this->loadViewerHandles($phids);
$list = new PHUIObjectItemListView();
$first = true;
foreach ($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(), $viewer),
phabricator_time($c->getDateCreated(), $viewer)));
if ($c->getDescription()) {
$item->addAttribute($c->getDescription());
}
if ($first == true) {
$item->setStatusIcon('fa-file green');
$first = false;
} else {
$item->setStatusIcon('fa-file red');
}
$list->addItem($item);
}
return $list;
}
}
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