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DifferentialRevisionOperationController.php
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Created
Tue, Sep 24, 18:47

DifferentialRevisionOperationController.php
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<?php
final class DifferentialRevisionOperationController
extends DifferentialController {
public function handleRequest(AphrontRequest $request) {
$viewer = $this->getViewer();
$id = $request->getURIData('id');
$revision = id(new DifferentialRevisionQuery())
->withIDs(array($id))
->setViewer($viewer)
->needActiveDiffs(true)
->executeOne();
if (!$revision) {
return new Aphront404Response();
}
$detail_uri = "/D{$id}";
$op = new DrydockLandRepositoryOperation();
$barrier = $op->getBarrierToLanding($viewer, $revision);
if ($barrier) {
return $this->newDialog()
->setTitle($barrier['title'])
->appendParagraph($barrier['body'])
->addCancelButton($detail_uri);
}
$diff = $revision->getActiveDiff();
$repository = $revision->getRepository();
$default_ref = $this->loadDefaultRef($repository, $diff);
if ($default_ref) {
$v_ref = array($default_ref->getPHID());
} else {
$v_ref = array();
}
$e_ref = true;
$errors = array();
if ($request->isFormPost()) {
$v_ref = $request->getArr('refPHIDs');
$ref_phid = head($v_ref);
if (!strlen($ref_phid)) {
$e_ref = pht('Required');
$errors[] = pht(
'You must select a branch to land this revision onto.');
} else {
$ref = $this->newRefQuery($repository)
->withPHIDs(array($ref_phid))
->executeOne();
if (!$ref) {
$e_ref = pht('Invalid');
$errors[] = pht(
'You must select a branch from this repository to land this '.
'revision onto.');
}
}
if (!$errors) {
// NOTE: The operation is locked to the current active diff, so if the
// revision is updated before the operation applies nothing sneaky
// occurs.
$target = 'branch:'.$ref->getRefName();
$operation = DrydockRepositoryOperation::initializeNewOperation($op)
->setAuthorPHID($viewer->getPHID())
->setObjectPHID($revision->getPHID())
->setRepositoryPHID($repository->getPHID())
->setRepositoryTarget($target)
->setProperty('differential.diffPHID', $diff->getPHID());
$operation->save();
$operation->scheduleUpdate();
return id(new AphrontRedirectResponse())
->setURI($detail_uri);
}
}
$ref_datasource = id(new DiffusionRefDatasource())
->setParameters(
array(
'repositoryPHIDs' => array($repository->getPHID()),
'refTypes' => $this->getTargetableRefTypes(),
));
$form = id(new AphrontFormView())
->setUser($viewer)
->appendRemarkupInstructions(
pht(
'In theory, this will do approximately what `arc land` would do. '.
'In practice, you will have a riveting adventure instead.'))
->appendControl(
id(new AphrontFormTokenizerControl())
->setLabel(pht('Onto Branch'))
->setName('refPHIDs')
->setLimit(1)
->setError($e_ref)
->setValue($v_ref)
->setDatasource($ref_datasource))
->appendRemarkupInstructions(
pht(
'(WARNING) THIS FEATURE IS EXPERIMENTAL AND DANGEROUS! USE IT AT '.
'YOUR OWN RISK!'));
return $this->newDialog()
->setWidth(AphrontDialogView::WIDTH_FORM)
->setTitle(pht('Land Revision'))
->setErrors($errors)
->appendForm($form)
->addCancelButton($detail_uri)
->addSubmitButton(pht('Mutate Repository Unpredictably'));
}
private function newRefQuery(PhabricatorRepository $repository) {
$viewer = $this->getViewer();
return id(new PhabricatorRepositoryRefCursorQuery())
->setViewer($viewer)
->withRepositoryPHIDs(array($repository->getPHID()))
->withRefTypes($this->getTargetableRefTypes());
}
private function getTargetableRefTypes() {
return array(
PhabricatorRepositoryRefCursor::TYPE_BRANCH,
);
}
private function loadDefaultRef(
PhabricatorRepository $repository,
DifferentialDiff $diff) {
$default_name = $this->getDefaultRefName($repository, $diff);
if (!strlen($default_name)) {
return null;
}
return $this->newRefQuery($repository)
->withRefNames(array($default_name))
->executeOne();
}
private function getDefaultRefName(
PhabricatorRepository $repository,
DifferentialDiff $diff) {
$onto = $diff->loadTargetBranch();
if ($onto !== null) {
return $onto;
}
return $repository->getDefaultBranch();
}
}

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