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DiffusionFileContentQuery.php
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Wed, Jan 15, 03:20

DiffusionFileContentQuery.php
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<?php
/**
* NOTE: this class should only be used where local access to the repository
* is guaranteed and NOT from within the Diffusion application. Diffusion
* should use Conduit method 'diffusion.filecontentquery' to get this sort
* of data.
*/
abstract class DiffusionFileContentQuery extends DiffusionQuery {
private $needsBlame;
private $fileContent;
private $viewer;
final public static function newFromDiffusionRequest(
DiffusionRequest $request) {
return parent::newQueryObject(__CLASS__, $request);
}
abstract public function getFileContentFuture();
abstract protected function executeQueryFromFuture(Future $future);
final public function loadFileContentFromFuture(Future $future) {
$this->fileContent = $this->executeQueryFromFuture($future);
$repository = $this->getRequest()->getRepository();
$try_encoding = $repository->getDetail('encoding');
if ($try_encoding) {
$this->fileContent->setCorpus(
phutil_utf8_convert(
$this->fileContent->getCorpus(), "UTF-8", $try_encoding));
}
return $this->fileContent;
}
final protected function executeQuery() {
return $this->loadFileContentFromFuture($this->getFileContentFuture());
}
final public function loadFileContent() {
return $this->executeQuery();
}
final public function getRawData() {
return $this->fileContent->getCorpus();
}
/**
* Pretty hairy function. If getNeedsBlame is false, this returns
*
* ($text_list, array(), array())
*
* Where $text_list is the raw file content with trailing new lines stripped.
*
* If getNeedsBlame is true, this returns
*
* ($text_list, $line_rev_dict, $blame_dict)
*
* Where $text_list is just the lines of code -- the raw file content will
* contain lots of blame data, $line_rev_dict is a dictionary of line number
* => revision id, and $blame_dict is another complicated data structure.
* In detail, $blame_dict contains [revision id][author] keys, as well
* as [commit id][authorPhid] and [commit id][epoch] keys.
*
* @return ($text_list, $line_rev_dict, $blame_dict)
*/
final public function getBlameData() {
$raw_data = preg_replace('/\n$/', '', $this->getRawData());
$text_list = array();
$line_rev_dict = array();
$blame_dict = array();
if (!$this->getNeedsBlame()) {
$text_list = explode("\n", $raw_data);
} else if ($raw_data != '') {
$lines = array();
foreach (explode("\n", $raw_data) as $k => $line) {
$lines[$k] = $this->tokenizeLine($line);
list($rev_id, $author, $text) = $lines[$k];
$text_list[$k] = $text;
$line_rev_dict[$k] = $rev_id;
}
$line_rev_dict = $this->processRevList($line_rev_dict);
foreach ($lines as $k => $line) {
list($rev_id, $author, $text) = $line;
$rev_id = $line_rev_dict[$k];
if (!isset($blame_dict[$rev_id])) {
$blame_dict[$rev_id]['author'] = $author;
}
}
$repository = $this->getRequest()->getRepository();
$commits = id(new DiffusionCommitQuery())
->setViewer($this->getViewer())
->withDefaultRepository($repository)
->withIdentifiers(array_unique($line_rev_dict))
->execute();
foreach ($commits as $commit) {
$blame_dict[$commit->getCommitIdentifier()]['epoch'] =
$commit->getEpoch();
}
if ($commits) {
$commits_data = id(new PhabricatorRepositoryCommitData())->loadAllWhere(
'commitID IN (%Ls)',
mpull($commits, 'getID'));
foreach ($commits_data as $data) {
$author_phid = $data->getCommitDetail('authorPHID');
if (!$author_phid) {
continue;
}
$commit = $commits[$data->getCommitID()];
$commit_identifier = $commit->getCommitIdentifier();
$blame_dict[$commit_identifier]['authorPHID'] = $author_phid;
}
}
}
return array($text_list, $line_rev_dict, $blame_dict);
}
abstract protected function tokenizeLine($line);
public function setNeedsBlame($needs_blame) {
$this->needsBlame = $needs_blame;
return $this;
}
public function getNeedsBlame() {
return $this->needsBlame;
}
public function setViewer(PhabricatorUser $user) {
$this->viewer = $user;
return $this;
}
public function getViewer() {
return $this->viewer;
}
protected function processRevList(array $rev_list) {
return $rev_list;
}
}

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