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DiffusionExternalController.php
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Tue, Nov 26, 23:22

DiffusionExternalController.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class DiffusionExternalController extends DiffusionController {
public function willProcessRequest(array $data) {
// Don't build a DiffusionRequest.
}
public function processRequest() {
$request = $this->getRequest();
$uri = $request->getStr('uri');
$id = $request->getStr('id');
$repositories = id(new PhabricatorRepository())->loadAll();
if ($uri) {
$uri_path = id(new PhutilURI($uri))->getPath();
$matches = array();
// Try to figure out which tracked repository this external lives in by
// comparing repository metadata. We look for an exact match, but accept
// a partial match.
foreach ($repositories as $key => $repository) {
$remote_uri = new PhutilURI($repository->getRemoteURI());
if ($remote_uri->getPath() == $uri_path) {
$matches[$key] = 1;
}
if ($repository->getPublicRemoteURI() == $uri) {
$matches[$key] = 2;
}
if ($repository->getRemoteURI() == $uri) {
$matches[$key] = 3;
}
}
arsort($matches);
reset($matches);
$best_match = key($matches);
if ($best_match) {
$repository = $repositories[$best_match];
$redirect = DiffusionRequest::generateDiffusionURI(
array(
'action' => 'browse',
'callsign' => $repository->getCallsign(),
'commit' => $id,
));
return id(new AphrontRedirectResponse())->setURI($redirect);
}
}
// TODO: This is a rare query but does a table scan, add a key?
$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
'commitIdentifier = %s',
$id);
if (empty($commits)) {
$desc = null;
if ($uri) {
$desc = phutil_escape_html($uri).', at ';
}
$desc .= phutil_escape_html($id);
$content = id(new AphrontErrorView())
->setTitle('Unknown External')
->setSeverity(AphrontErrorView::SEVERITY_WARNING)
->appendChild(
"<p>This external ({$desc}) does not appear in any tracked ".
"repository. It may exist in an untracked repository that ".
"Diffusion does not know about.</p>");
} else if (count($commits) == 1) {
$commit = head($commits);
$redirect = DiffusionRequest::generateDiffusionURI(
array(
'action' => 'browse',
'callsign' => $repositories[$commit->getRepositoryID()]
->getCallsign(),
'commit' => $commit->getCommitIdentifier(),
));
return id(new AphrontRedirectResponse())->setURI($redirect);
} else {
$rows = array();
foreach ($commits as $commit) {
$repo = $repositories[$commit->getRepositoryID()];
$href = DiffusionRequest::generateDiffusionURI(
array(
'action' => 'browse',
'callsign' => $repo->getCallsign(),
'commit' => $commit->getCommitIdentifier(),
));
$rows[] = array(
phutil_render_tag(
'a',
array(
'href' => $href,
),
phutil_escape_html(
'r'.$repo->getCallsign().$commit->getCommitIdentifier())),
phutil_escape_html($commit->loadCommitData()->getSummary()),
);
}
$table = new AphrontTableView($rows);
$table->setHeaders(
array(
'Commit',
'Description',
));
$table->setColumnClasses(
array(
'pri',
'wide',
));
$content = new AphrontPanelView();
$content->setHeader('Multiple Matching Commits');
$content->setCaption(
'This external reference matches multiple known commits.');
$content->appendChild($table);
}
return $this->buildStandardPageResponse(
$content,
array(
'title' => 'Unresolvable External',
));
}
}

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