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DiffusionCompareController.php
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Mon, Jul 14, 17:41

DiffusionCompareController.php
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<?php
final class DiffusionCompareController extends DiffusionController {
public function shouldAllowPublic() {
return true;
}
public function handleRequest(AphrontRequest $request) {
$response = $this->loadDiffusionContext();
if ($response) {
return $response;
}
$viewer = $this->getViewer();
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$content = array();
$crumbs = $this->buildCrumbs(array('view' => 'compare'));
$empty_title = null;
$error_message = null;
if ($repository->getVersionControlSystem() !=
PhabricatorRepositoryType::REPOSITORY_TYPE_GIT) {
$empty_title = pht('Not supported');
$error_message = pht(
'This feature is not yet supported for %s repositories.',
$repository->getVersionControlSystem());
$content[] = id(new PHUIInfoView())
->setTitle($empty_title)
->setSeverity(PHUIInfoView::SEVERITY_WARNING)
->setErrors(array($error_message));
}
$head_ref = $request->getStr('head');
$against_ref = $request->getStr('against');
$refs = id(new DiffusionCachedResolveRefsQuery())
->setRepository($repository)
->withRefs(array($head_ref, $against_ref))
->execute();
if (count($refs) == 2) {
$content[] = $this->buildCompareContent($drequest);
} else {
$content[] = $this->buildCompareForm($request, $refs);
}
return $this->newPage()
->setTitle(
array(
$repository->getName(),
$repository->getDisplayName(),
))
->setCrumbs($crumbs)
->appendChild($content);
}
private function buildCompareForm(AphrontRequest $request, array $resolved) {
$viewer = $this->getViewer();
$head_ref = $request->getStr('head');
$against_ref = $request->getStr('against');
if (idx($resolved, $head_ref)) {
$e_head = null;
} else {
$e_head = 'Not Found';
}
if (idx($resolved, $against_ref)) {
$e_against = null;
} else {
$e_against = 'Not Found';
}
$form = id(new AphrontFormView())
->setUser($viewer)
->setMethod('GET')
->appendControl(
id(new AphrontFormTextControl())
->setLabel(pht('Head'))
->setName('head')
->setError($e_head)
->setValue($head_ref))
->appendControl(
id(new AphrontFormTextControl())
->setLabel(pht('Against'))
->setName('against')
->setError($e_against)
->setValue($against_ref))
->appendControl(
id(new AphrontFormSubmitControl())
->setValue('Compare'));
return $form;
}
private function buildCompareContent(DiffusionRequest $drequest) {
$request = $this->getRequest();
$repository = $drequest->getRepository();
$head_ref = $request->getStr('head');
$against_ref = $request->getStr('against');
$content = array();
$pager = id(new PHUIPagerView())
->readFromRequest($request);
try {
$history_results = $this->callConduitWithDiffusionRequest(
'diffusion.historyquery',
array(
'commit' => $head_ref,
'against' => $against_ref,
'path' => $drequest->getPath(),
'offset' => $pager->getOffset(),
'limit' => $pager->getPageSize() + 1,
));
$history = DiffusionPathChange::newFromConduit(
$history_results['pathChanges']);
$history = $pager->sliceResults($history);
$history_exception = null;
} catch (Exception $ex) {
$history_results = null;
$history = null;
$history_exception = $ex;
}
if ($history_results) {
$content[] = $this->buildCompareProperties($drequest, $history_results);
}
$content[] = $this->buildCompareForm(
$request,
array($head_ref => true, $against_ref => true));
$content[] = $this->buildHistoryTable(
$history_results,
$history,
$pager,
$history_exception);
$content[] = $this->renderTablePagerBox($pager);
return $content;
}
private function buildCompareProperties($drequest, array $history_results) {
$viewer = $this->getViewer();
$request = $this->getRequest();
$repository = $drequest->getRepository();
$head_ref = $request->getStr('head');
$against_ref = $request->getStr('against');
$reverse_uri = $repository->getPathURI(
"compare/?head=${against_ref}&against=${head_ref}");
$actions = id(new PhabricatorActionListView());
$actions->setUser($viewer);
$actions->addAction(id(new PhabricatorActionView())
->setName(pht('Reverse Comparison'))
->setHref($reverse_uri)
->setIcon('fa-list'));
$view = id(new PHUIPropertyListView())
->setUser($viewer)
->setActionList($actions);
$readme =
'These are the commits that are reachable from **Head** commit and not '.
'from the **Against** commit.';
$readme = new PHUIRemarkupView($viewer, $readme);
$view->addTextContent($readme);
$view->addProperty(pht('Head'), $head_ref);
$view->addProperty(pht('Against'), $against_ref);
$header = id(new PHUIHeaderView())
->setUser($viewer)
->setPolicyObject($drequest->getRepository());
$box = id(new PHUIObjectBoxView())
->setUser($viewer)
->setHeader($header)
->addPropertyList($view);
return $box;
}
private function buildHistoryTable(
$history_results,
$history,
$pager,
$history_exception) {
$request = $this->getRequest();
$viewer = $request->getUser();
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
if ($history_exception) {
if ($repository->isImporting()) {
return $this->renderStatusMessage(
pht('Still Importing...'),
pht(
'This repository is still importing. History is not yet '.
'available.'));
} else {
return $this->renderStatusMessage(
pht('Unable to Retrieve History'),
$history_exception->getMessage());
}
}
if (!$history) {
return $this->renderStatusMessage(
pht('Up to date'),
new PHUIRemarkupView(
$viewer,
pht(
'**Against** is strictly ahead of **Head** '.
'- no commits are missing.')));
}
$history_table = id(new DiffusionHistoryTableView())
->setUser($viewer)
->setDiffusionRequest($drequest)
->setHistory($history);
// TODO: Super sketchy?
$history_table->loadRevisions();
if ($history_results) {
$history_table->setParents($history_results['parents']);
$history_table->setIsHead(!$pager->getOffset());
$history_table->setIsTail(!$pager->getHasMorePages());
}
// TODO also expose diff.
$panel = new PHUIObjectBoxView();
$header = id(new PHUIHeaderView())
->setHeader(pht('Missing Commits'));
$panel->setHeader($header);
$panel->setTable($history_table);
return $panel;
}
}

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