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DifferentialDiffEditor.php
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Created
Tue, Nov 26, 07:15

DifferentialDiffEditor.php
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<?php
final class DifferentialDiffEditor
extends PhabricatorApplicationTransactionEditor {
private $diffDataDict;
private $lookupRepository = true;
public function setLookupRepository($bool) {
$this->lookupRepository = $bool;
return $this;
}
public function getEditorApplicationClass() {
return 'PhabricatorDifferentialApplication';
}
public function getEditorObjectsDescription() {
return pht('Differential Diffs');
}
public function getTransactionTypes() {
$types = parent::getTransactionTypes();
$types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
$types[] = DifferentialDiffTransaction::TYPE_DIFF_CREATE;
return $types;
}
protected function getCustomTransactionOldValue(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case DifferentialDiffTransaction::TYPE_DIFF_CREATE:
return null;
}
return parent::getCustomTransactionOldValue($object, $xaction);
}
protected function getCustomTransactionNewValue(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case DifferentialDiffTransaction::TYPE_DIFF_CREATE:
$this->diffDataDict = $xaction->getNewValue();
return true;
}
return parent::getCustomTransactionNewValue($object, $xaction);
}
protected function applyCustomInternalTransaction(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case DifferentialDiffTransaction::TYPE_DIFF_CREATE:
$dict = $this->diffDataDict;
$this->updateDiffFromDict($object, $dict);
return;
case PhabricatorTransactions::TYPE_VIEW_POLICY:
$object->setViewPolicy($xaction->getNewValue());
return;
}
return parent::applyCustomInternalTransaction($object, $xaction);
}
protected function applyCustomExternalTransaction(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case DifferentialDiffTransaction::TYPE_DIFF_CREATE:
case PhabricatorTransactions::TYPE_VIEW_POLICY:
return;
}
return parent::applyCustomExternalTransaction($object, $xaction);
}
protected function applyFinalEffects(
PhabricatorLiskDAO $object,
array $xactions) {
// If we didn't get an explicit `repositoryPHID` (which means the client
// is old, or couldn't figure out which repository the working copy
// belongs to), apply heuristics to try to figure it out.
if ($this->lookupRepository && !$object->getRepositoryPHID()) {
$repository = id(new DifferentialRepositoryLookup())
->setDiff($object)
->setViewer($this->getActor())
->lookupRepository();
if ($repository) {
$object->setRepositoryPHID($repository->getPHID());
$object->setRepositoryUUID($repository->getUUID());
$object->save();
}
}
return $xactions;
}
/**
* We run Herald as part of transaction validation because Herald can
* block diff creation for Differential diffs. Its important to do this
* separately so no Herald logs are saved; these logs could expose
* information the Herald rules are inteneded to block.
*/
protected function validateTransaction(
PhabricatorLiskDAO $object,
$type,
array $xactions) {
$errors = parent::validateTransaction($object, $type, $xactions);
foreach ($xactions as $xaction) {
switch ($type) {
case DifferentialDiffTransaction::TYPE_DIFF_CREATE:
$diff = clone $object;
$diff = $this->updateDiffFromDict($diff, $xaction->getNewValue());
$adapter = $this->buildHeraldAdapter($diff, $xactions);
$adapter->setContentSource($this->getContentSource());
$adapter->setIsNewObject($this->getIsNewObject());
$engine = new HeraldEngine();
$rules = $engine->loadRulesForAdapter($adapter);
$rules = mpull($rules, null, 'getID');
$effects = $engine->applyRules($rules, $adapter);
$blocking_effect = null;
foreach ($effects as $effect) {
if ($effect->getAction() == HeraldAdapter::ACTION_BLOCK) {
$blocking_effect = $effect;
break;
}
}
if ($blocking_effect) {
$rule = $blocking_effect->getRule();
$message = $effect->getTarget();
if (!strlen($message)) {
$message = pht('(None.)');
}
$errors[] = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Rejected by Herald'),
pht(
"Creation of this diff was rejected by Herald rule %s.\n".
" Rule: %s\n".
"Reason: %s",
$rule->getMonogram(),
$rule->getName(),
$message));
}
break;
}
}
return $errors;
}
protected function shouldPublishFeedStory(
PhabricatorLiskDAO $object,
array $xactions) {
return false;
}
protected function shouldSendMail(
PhabricatorLiskDAO $object,
array $xactions) {
return false;
}
protected function supportsSearch() {
return false;
}
/* -( Herald Integration )------------------------------------------------- */
/**
* See @{method:validateTransaction}. The only Herald action is to block
* the creation of Diffs. We thus have to be careful not to save any
* data and do this validation very early.
*/
protected function shouldApplyHeraldRules(
PhabricatorLiskDAO $object,
array $xactions) {
return false;
}
protected function buildHeraldAdapter(
PhabricatorLiskDAO $object,
array $xactions) {
$adapter = id(new HeraldDifferentialDiffAdapter())
->setDiff($object);
return $adapter;
}
protected function didApplyHeraldRules(
PhabricatorLiskDAO $object,
HeraldAdapter $adapter,
HeraldTranscript $transcript) {
$xactions = array();
return $xactions;
}
private function updateDiffFromDict(DifferentialDiff $diff, $dict) {
$diff
->setSourcePath(idx($dict, 'sourcePath'))
->setSourceMachine(idx($dict, 'sourceMachine'))
->setBranch(idx($dict, 'branch'))
->setCreationMethod(idx($dict, 'creationMethod'))
->setAuthorPHID(idx($dict, 'authorPHID', $this->getActor()))
->setBookmark(idx($dict, 'bookmark'))
->setRepositoryPHID(idx($dict, 'repositoryPHID'))
->setRepositoryUUID(idx($dict, 'repositoryUUID'))
->setSourceControlSystem(idx($dict, 'sourceControlSystem'))
->setSourceControlPath(idx($dict, 'sourceControlPath'))
->setSourceControlBaseRevision(idx($dict, 'sourceControlBaseRevision'))
->setLintStatus(idx($dict, 'lintStatus'))
->setUnitStatus(idx($dict, 'unitStatus'));
return $diff;
}
}

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