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phab/src/applications/diffusion/herald/HeraldCommitAdapter.php
8ae08a3de70bfeature/better-testing

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HeraldCommitAdapter.php
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<?php
final class HeraldCommitAdapter extends HeraldAdapter {
protected $diff;
protected $revision;
protected $repository;
protected $commit;
protected $commitData;
private $commitDiff;
protected $auditMap = array();
protected $buildPlans = array();
protected $affectedPaths;
protected $affectedRevision;
protected $affectedPackages;
protected $auditNeededPackages;
public function getAdapterApplicationClass() {
return 'PhabricatorDiffusionApplication';
}
protected function newObject() {
return new PhabricatorRepositoryCommit();
}
protected function initializeNewAdapter() {
$this->commit = $this->newObject();
}
public function getObject() {
return $this->commit;
}
public function getAdapterContentType() {
return 'commit';
}
public function getAdapterContentName() {
return pht('Commits');
}
public function getAdapterContentDescription() {
return pht(
"React to new commits appearing in tracked repositories.\n".
"Commit rules can send email, flag commits, trigger audits, ".
"and run build plans.");
}
public function supportsRuleType($rule_type) {
switch ($rule_type) {
case HeraldRuleTypeConfig::RULE_TYPE_GLOBAL:
case HeraldRuleTypeConfig::RULE_TYPE_PERSONAL:
case HeraldRuleTypeConfig::RULE_TYPE_OBJECT:
return true;
default:
return false;
}
}
public function canTriggerOnObject($object) {
if ($object instanceof PhabricatorRepository) {
return true;
}
if ($object instanceof PhabricatorProject) {
return true;
}
return false;
}
public function getTriggerObjectPHIDs() {
return array_merge(
array(
$this->repository->getPHID(),
$this->getPHID(),
),
$this->repository->getProjectPHIDs());
}
public function explainValidTriggerObjects() {
return pht('This rule can trigger for **repositories** and **projects**.');
}
public function getActions($rule_type) {
switch ($rule_type) {
case HeraldRuleTypeConfig::RULE_TYPE_GLOBAL:
case HeraldRuleTypeConfig::RULE_TYPE_OBJECT:
return array_merge(
array(
self::ACTION_EMAIL,
self::ACTION_AUDIT,
self::ACTION_APPLY_BUILD_PLANS,
),
parent::getActions($rule_type));
case HeraldRuleTypeConfig::RULE_TYPE_PERSONAL:
return array_merge(
array(
self::ACTION_EMAIL,
self::ACTION_AUDIT,
),
parent::getActions($rule_type));
}
}
public static function newLegacyAdapter(
PhabricatorRepository $repository,
PhabricatorRepositoryCommit $commit,
PhabricatorRepositoryCommitData $commit_data) {
$object = new HeraldCommitAdapter();
$commit->attachRepository($repository);
$object->repository = $repository;
$object->commit = $commit;
$object->commitData = $commit_data;
return $object;
}
public function setCommit(PhabricatorRepositoryCommit $commit) {
$viewer = PhabricatorUser::getOmnipotentUser();
$repository = id(new PhabricatorRepositoryQuery())
->setViewer($viewer)
->withIDs(array($commit->getRepositoryID()))
->needProjectPHIDs(true)
->executeOne();
if (!$repository) {
throw new Exception(pht('Unable to load repository!'));
}
$data = id(new PhabricatorRepositoryCommitData())->loadOneWhere(
'commitID = %d',
$commit->getID());
if (!$data) {
throw new Exception(pht('Unable to load commit data!'));
}
$this->commit = clone $commit;
$this->commit->attachRepository($repository);
$this->commit->attachCommitData($data);
$this->repository = $repository;
$this->commitData = $data;
return $this;
}
public function getAuditMap() {
return $this->auditMap;
}
public function getBuildPlans() {
return $this->buildPlans;
}
public function getHeraldName() {
return
'r'.
$this->repository->getCallsign().
$this->commit->getCommitIdentifier();
}
public function loadAffectedPaths() {
if ($this->affectedPaths === null) {
$result = PhabricatorOwnerPathQuery::loadAffectedPaths(
$this->repository,
$this->commit,
PhabricatorUser::getOmnipotentUser());
$this->affectedPaths = $result;
}
return $this->affectedPaths;
}
public function loadAffectedPackages() {
if ($this->affectedPackages === null) {
$packages = PhabricatorOwnersPackage::loadAffectedPackages(
$this->repository,
$this->loadAffectedPaths());
$this->affectedPackages = $packages;
}
return $this->affectedPackages;
}
public function loadAuditNeededPackages() {
if ($this->auditNeededPackages === null) {
$status_arr = array(
PhabricatorAuditStatusConstants::AUDIT_REQUIRED,
PhabricatorAuditStatusConstants::CONCERNED,
);
$requests = id(new PhabricatorRepositoryAuditRequest())
->loadAllWhere(
'commitPHID = %s AND auditStatus IN (%Ls)',
$this->commit->getPHID(),
$status_arr);
$packages = mpull($requests, 'getAuditorPHID');
$this->auditNeededPackages = $packages;
}
return $this->auditNeededPackages;
}
public function loadDifferentialRevision() {
if ($this->affectedRevision === null) {
$this->affectedRevision = false;
$data = $this->commitData;
$revision_id = $data->getCommitDetail('differential.revisionID');
if ($revision_id) {
// NOTE: The Herald rule owner might not actually have access to
// the revision, and can control which revision a commit is
// associated with by putting text in the commit message. However,
// the rules they can write against revisions don't actually expose
// anything interesting, so it seems reasonable to load unconditionally
// here.
$revision = id(new DifferentialRevisionQuery())
->withIDs(array($revision_id))
->setViewer(PhabricatorUser::getOmnipotentUser())
->needRelationships(true)
->needReviewerStatus(true)
->executeOne();
if ($revision) {
$this->affectedRevision = $revision;
}
}
}
return $this->affectedRevision;
}
public static function getEnormousByteLimit() {
return 1024 * 1024 * 1024; // 1GB
}
public static function getEnormousTimeLimit() {
return 60 * 15; // 15 Minutes
}
private function loadCommitDiff() {
$drequest = DiffusionRequest::newFromDictionary(
array(
'user' => PhabricatorUser::getOmnipotentUser(),
'repository' => $this->repository,
'commit' => $this->commit->getCommitIdentifier(),
));
$byte_limit = self::getEnormousByteLimit();
$raw = DiffusionQuery::callConduitWithDiffusionRequest(
PhabricatorUser::getOmnipotentUser(),
$drequest,
'diffusion.rawdiffquery',
array(
'commit' => $this->commit->getCommitIdentifier(),
'timeout' => self::getEnormousTimeLimit(),
'byteLimit' => $byte_limit,
'linesOfContext' => 0,
));
if (strlen($raw) >= $byte_limit) {
throw new Exception(
pht(
'The raw text of this change is enormous (larger than %d bytes). '.
'Herald can not process it.',
$byte_limit));
}
$parser = new ArcanistDiffParser();
$changes = $parser->parseDiff($raw);
$diff = DifferentialDiff::newEphemeralFromRawChanges(
$changes);
return $diff;
}
public function isDiffEnormous() {
$this->loadDiffContent('*');
return ($this->commitDiff instanceof Exception);
}
public function loadDiffContent($type) {
if ($this->commitDiff === null) {
try {
$this->commitDiff = $this->loadCommitDiff();
} catch (Exception $ex) {
$this->commitDiff = $ex;
phlog($ex);
}
}
if ($this->commitDiff instanceof Exception) {
$ex = $this->commitDiff;
$ex_class = get_class($ex);
$ex_message = pht('Failed to load changes: %s', $ex->getMessage());
return array(
'<'.$ex_class.'>' => $ex_message,
);
}
$changes = $this->commitDiff->getChangesets();
$result = array();
foreach ($changes as $change) {
$lines = array();
foreach ($change->getHunks() as $hunk) {
switch ($type) {
case '-':
$lines[] = $hunk->makeOldFile();
break;
case '+':
$lines[] = $hunk->makeNewFile();
break;
case '*':
$lines[] = $hunk->makeChanges();
break;
default:
throw new Exception(pht("Unknown content selection '%s'!", $type));
}
}
$result[$change->getFilename()] = implode("\n", $lines);
}
return $result;
}
public function applyHeraldEffects(array $effects) {
assert_instances_of($effects, 'HeraldEffect');
$result = array();
foreach ($effects as $effect) {
$action = $effect->getAction();
switch ($action) {
case self::ACTION_AUDIT:
foreach ($effect->getTarget() as $phid) {
if (empty($this->auditMap[$phid])) {
$this->auditMap[$phid] = array();
}
$this->auditMap[$phid][] = $effect->getRule()->getID();
}
$result[] = new HeraldApplyTranscript(
$effect,
true,
pht('Triggered an audit.'));
break;
case self::ACTION_APPLY_BUILD_PLANS:
foreach ($effect->getTarget() as $phid) {
$this->buildPlans[] = $phid;
}
$result[] = new HeraldApplyTranscript(
$effect,
true,
pht('Applied build plans.'));
break;
default:
$result[] = $this->applyStandardEffect($effect);
break;
}
}
return $result;
}
}
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