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DiffusionFileContentQuery.php
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Tue, Jan 21, 18:10

DiffusionFileContentQuery.php
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<?php
/*
* Copyright 2011 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.
*/
abstract class DiffusionFileContentQuery {
private $request;
private $needsBlame;
private $fileContent;
final private function __construct() {
// <private>
}
final public static function newFromDiffusionRequest(
DiffusionRequest $request) {
$repository = $request->getRepository();
switch ($repository->getVersionControlSystem()) {
case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
$class = 'DiffusionGitFileContentQuery';
break;
case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
$class = 'DiffusionSvnFileContentQuery';
break;
default:
throw new Exception("Unsupported VCS!");
}
PhutilSymbolLoader::loadClass($class);
$query = new $class();
$query->request = $request;
return $query;
}
public function getSupportsBlameOnBlame() {
return false;
}
public function getPrevRev($rev) {
// TODO: support git once the 'parent' info of a commit is saved
// to the database.
throw new Exception("Unsupported VCS!");
}
final protected function getRequest() {
return $this->request;
}
final public function loadFileContent() {
$this->fileContent = $this->executeQuery();
}
abstract protected function executeQuery();
final public function getRawData() {
return $this->fileContent->getCorpus();
}
final public function getBlameData() {
$raw_data = $this->getRawData();
$text_list = array();
$rev_list = array();
$blame_dict = array();
if (!$this->getNeedsBlame()) {
$text_list = explode("\n", rtrim($raw_data));
} else {
foreach (explode("\n", rtrim($raw_data)) as $k => $line) {
list($rev_id, $author, $text) = $this->tokenizeLine($line);
$text_list[$k] = $text;
$rev_list[$k] = $rev_id;
if (!isset($blame_dict[$rev_id]) &&
!isset($blame_dict[$rev_id]['author'] )) {
$blame_dict[$rev_id]['author'] = $author;
}
}
$repository = $this->getRequest()->getRepository();
$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
'repositoryID = %d AND commitIdentifier IN (%Ls)', $repository->getID(),
array_unique($rev_list));
foreach ($commits as $commit) {
$commitIdentifier = $commit->getCommitIdentifier();
$epoch = $commit->getEpoch();
$blame_dict[$commitIdentifier]['epoch'] = $epoch;
}
}
return array($text_list, $rev_list, $blame_dict);
}
abstract protected function tokenizeLine($line);
public function setNeedsBlame($needs_blame)
{
$this->needsBlame = $needs_blame;
}
public function getNeedsBlame()
{
return $this->needsBlame;
}
}

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