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PhragmentRevertController.php
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Created
Tue, Sep 10, 07:32

PhragmentRevertController.php
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<?php
final class PhragmentRevertController extends PhragmentController {
private $dblob;
private $id;
public function willProcessRequest(array $data) {
$this->dblob = $data['dblob'];
$this->id = $data['id'];
}
public function processRequest() {
$request = $this->getRequest();
$viewer = $request->getUser();
$fragment = id(new PhragmentFragmentQuery())
->setViewer($viewer)
->withPaths(array($this->dblob))
->requireCapabilities(
array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
))
->executeOne();
if ($fragment === null) {
return new Aphront404Response();
}
$version = id(new PhragmentFragmentVersionQuery())
->setViewer($viewer)
->withFragmentPHIDs(array($fragment->getPHID()))
->withIDs(array($this->id))
->executeOne();
if ($version === null) {
return new Aphront404Response();
}
if ($request->isDialogFormPost()) {
$file_phid = $version->getFilePHID();
$file = null;
if ($file_phid !== null) {
$file = id(new PhabricatorFileQuery())
->setViewer($viewer)
->withPHIDs(array($file_phid))
->executeOne();
if ($file === null) {
throw new Exception(
pht('The file associated with this version was not found.'));
}
}
if ($file === null) {
$fragment->deleteFile($viewer);
} else {
$fragment->updateFromFile($viewer, $file);
}
return id(new AphrontRedirectResponse())
->setURI($this->getApplicationURI('/history/'.$this->dblob));
}
return $this->createDialog($fragment, $version);
}
public function createDialog(
PhragmentFragment $fragment,
PhragmentFragmentVersion $version) {
$request = $this->getRequest();
$viewer = $request->getUser();
$dialog = id(new AphrontDialogView())
->setTitle(pht('Really revert this fragment?'))
->setUser($request->getUser())
->addSubmitButton(pht('Revert'))
->addCancelButton(pht('Cancel'))
->appendParagraph(pht(
'Reverting this fragment to version %d will create a new version of '.
'the fragment. It will not delete any version history.',
$version->getSequence(),
$version->getSequence()));
return id(new AphrontDialogResponse())->setDialog($dialog);
}
}

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