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DiffusionLastModifiedQueryConduitAPIMethod.php
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DiffusionLastModifiedQueryConduitAPIMethod.php
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<?php
final class DiffusionLastModifiedQueryConduitAPIMethod
extends DiffusionQueryConduitAPIMethod {
public function getAPIMethodName() {
return 'diffusion.lastmodifiedquery';
}
public function getMethodDescription() {
return pht('Get the commits at which paths were last modified.');
}
protected function defineReturnType() {
return 'map<string, string>';
}
protected function defineCustomParamTypes() {
return array(
'paths' => 'required map<string, string>',
);
}
protected function getGitResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$paths = $request->getValue('paths');
$results = $this->loadCommitsFromCache($paths);
foreach ($paths as $path => $commit) {
if (array_key_exists($path, $results)) {
continue;
}
list($hash) = $repository->execxLocalCommand(
'log -n1 %s %s -- %s',
'--format=%H',
gitsprintf('%s', $commit),
$path);
$results[$path] = trim($hash);
}
return $results;
}
protected function getSVNResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$results = array();
foreach ($request->getValue('paths') as $path => $commit) {
$history_result = DiffusionQuery::callConduitWithDiffusionRequest(
$request->getUser(),
$drequest,
'diffusion.historyquery',
array(
'commit' => $commit,
'path' => $path,
'limit' => 1,
'offset' => 0,
'needDirectChanges' => true,
'needChildChanges' => true,
));
$history_array = DiffusionPathChange::newFromConduit(
$history_result['pathChanges']);
if ($history_array) {
$results[$path] = head($history_array)
->getCommit()
->getCommitIdentifier();
}
}
return $results;
}
protected function getMercurialResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$paths = $request->getValue('paths');
$results = $this->loadCommitsFromCache($paths);
foreach ($paths as $path => $commit) {
if (array_key_exists($path, $results)) {
continue;
}
list($hash) = $repository->execxLocalCommand(
'log --template %s --limit 1 --removed --rev %s -- %s',
'{node}',
hgsprintf('reverse(ancestors(%s))', $commit),
nonempty(ltrim($path, '/'), '.'));
$results[$path] = trim($hash);
}
return $results;
}
private function loadCommitsFromCache(array $map) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$path_map = id(new DiffusionPathIDQuery(array_keys($map)))
->loadPathIDs();
$commit_query = id(new DiffusionCommitQuery())
->setViewer($drequest->getUser())
->withRepository($repository)
->withIdentifiers(array_values($map));
$commit_query->execute();
$commit_map = $commit_query->getIdentifierMap();
$commit_map = mpull($commit_map, 'getID');
$graph_cache = new PhabricatorRepositoryGraphCache();
$results = array();
// Spend no more than this many total seconds trying to satisfy queries
// via the graph cache.
$remaining_time = 10.0;
foreach ($map as $path => $commit) {
$path_id = idx($path_map, $path);
if (!$path_id) {
continue;
}
$commit_id = idx($commit_map, $commit);
if (!$commit_id) {
continue;
}
$t_start = microtime(true);
$cache_result = $graph_cache->loadLastModifiedCommitID(
$commit_id,
$path_id,
$remaining_time);
$t_end = microtime(true);
if ($cache_result !== false) {
$results[$path] = $cache_result;
}
$remaining_time -= ($t_end - $t_start);
if ($remaining_time <= 0) {
break;
}
}
if ($results) {
$commits = id(new DiffusionCommitQuery())
->setViewer($drequest->getUser())
->withRepository($repository)
->withIDs($results)
->execute();
foreach ($results as $path => $id) {
$commit = idx($commits, $id);
if ($commit) {
$results[$path] = $commit->getCommitIdentifier();
} else {
unset($results[$path]);
}
}
}
return $results;
}
}

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