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phorge/src/applications/diffusion/query/lowlevel/DiffusionLowLevelCommitFieldsQuery.php
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DiffusionLowLevelCommitFieldsQuery.php
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<?php
final class DiffusionLowLevelCommitFieldsQuery
extends DiffusionLowLevelQuery {
private $ref;
private $revisionMatchData = array(
'usedURI' => null,
'foundURI' => null,
'validDomain' => null,
'matchHashType' => null,
'matchHashValue' => null,
);
public function withCommitRef(DiffusionCommitRef $ref) {
$this->ref = $ref;
return $this;
}
public function getRevisionMatchData() {
return $this->revisionMatchData;
}
private function setRevisionMatchData($key, $value) {
$this->revisionMatchData[$key] = $value;
return $this;
}
protected function executeQuery() {
$ref = $this->ref;
$message = $ref->getMessage();
$hashes = $ref->getHashes();
$params = array(
'corpus' => $message,
'partial' => true,
);
$result = id(new ConduitCall('differential.parsecommitmessage', $params))
->setUser(PhabricatorUser::getOmnipotentUser())
->execute();
$fields = $result['fields'];
$revision_id = idx($fields, 'revisionID');
if ($revision_id) {
$this->setRevisionMatchData('usedURI', true);
} else {
$this->setRevisionMatchData('usedURI', false);
}
$revision_id_info = $result['revisionIDFieldInfo'];
$this->setRevisionMatchData('foundURI', $revision_id_info['value']);
$this->setRevisionMatchData(
'validDomain',
$revision_id_info['validDomain']);
// If there is no "Differential Revision:" field in the message, try to
// identify the revision by doing a hash lookup.
if (!$revision_id && $hashes) {
$hash_list = array();
foreach ($hashes as $hash) {
$hash_list[] = array($hash->getHashType(), $hash->getHashValue());
}
$revisions = id(new DifferentialRevisionQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->needHashes(true)
->withCommitHashes($hash_list)
->execute();
if (!empty($revisions)) {
$revision = $this->pickBestRevision($revisions);
$fields['revisionID'] = $revision->getID();
$revision_hashes = $revision->getHashes();
$revision_hashes = DiffusionCommitHash::convertArrayToObjects(
$revision_hashes);
$revision_hashes = mpull($revision_hashes, 'getHashType');
// sort the hashes in the order the mighty
// @{class:ArcanstDifferentialRevisionHash} does; probably unnecessary
// but should future proof things nicely.
$revision_hashes = array_select_keys(
$revision_hashes,
ArcanistDifferentialRevisionHash::getTypes());
foreach ($hashes as $hash) {
$revision_hash = idx($revision_hashes, $hash->getHashType());
if (!$revision_hash) {
continue;
}
if ($revision_hash->getHashValue() == $hash->getHashValue()) {
$this->setRevisionMatchData(
'matchHashType',
$hash->getHashType());
$this->setRevisionMatchData(
'matchHashValue',
$hash->getHashValue());
break;
}
}
}
}
return $fields;
}
/**
* When querying for revisions by hash, more than one revision may be found.
* This function identifies the "best" revision from such a set. Typically,
* there is only one revision found. Otherwise, we try to pick an accepted
* revision first, followed by an open revision, and otherwise we go with a
* closed or abandoned revision as a last resort.
*/
private function pickBestRevision(array $revisions) {
assert_instances_of($revisions, 'DifferentialRevision');
// If we have more than one revision of a given status, choose the most
// recently updated one.
$revisions = msort($revisions, 'getDateModified');
$revisions = array_reverse($revisions);
// Try to find an accepted revision first.
$status_accepted = ArcanistDifferentialRevisionStatus::ACCEPTED;
foreach ($revisions as $revision) {
if ($revision->getStatus() == $status_accepted) {
return $revision;
}
}
// Try to find an open revision.
foreach ($revisions as $revision) {
if (!$revision->isClosed()) {
return $revision;
}
}
// Settle for whatever's left.
return head($revisions);
}
}

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