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phorge/src/applications/files/controller/PhabricatorFileDetachController.php
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PhabricatorFileDetachController.php
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<?php
final class PhabricatorFileDetachController
extends PhabricatorFileController {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$object_phid = $request->getURIData('objectPHID');
$file_phid = $request->getURIData('filePHID');
$object = id(new PhabricatorObjectQuery())
->setViewer($viewer)
->withPHIDs(array($object_phid))
->executeOne();
if (!$object) {
return new Aphront404Response();
}
$handles = $viewer->loadHandles(
array(
$object_phid,
$file_phid,
));
$object_handle = $handles[$object_phid];
$file_handle = $handles[$file_phid];
$cancel_uri = $file_handle->getURI();
$dialog = $this->newDialog()
->setViewer($viewer)
->setTitle(pht('Detach File'))
->addCancelButton($cancel_uri, pht('Close'));
$file_link = phutil_tag('strong', array(), $file_handle->renderLink());
$object_link = phutil_tag('strong', array(), $object_handle->renderLink());
$attachment = id(new PhabricatorFileAttachmentQuery())
->setViewer($viewer)
->withObjectPHIDs(array($object->getPHID()))
->withFilePHIDs(array($file_phid))
->needFiles(true)
->withVisibleFiles(true)
->executeOne();
if (!$attachment) {
$body = pht(
'The file %s is not attached to the object %s.',
$file_link,
$object_link);
return $dialog->appendParagraph($body);
}
$mode_reference = PhabricatorFileAttachment::MODE_REFERENCE;
if ($attachment->getAttachmentMode() === $mode_reference) {
$body = pht(
'The file %s is referenced by the object %s, but not attached to '.
'it, so it can not be detached.',
$file_link,
$object_link);
return $dialog->appendParagraph($body);
}
if (!$attachment->canDetach()) {
$body = pht(
'The file %s can not be detached from the object %s.',
$file_link,
$object_link);
return $dialog->appendParagraph($body);
}
if (!$request->isDialogFormPost()) {
$dialog->appendParagraph(
pht(
'Detach the file %s from the object %s?',
$file_link,
$object_link));
$dialog->addSubmitButton(pht('Detach File'));
return $dialog;
}
if (!($object instanceof PhabricatorApplicationTransactionInterface)) {
$dialog->appendParagraph(
pht(
'This object (of class "%s") does not implement the required '.
'interface ("%s"), so files can not be manually detached from it.',
get_class($object),
'PhabricatorApplicationTransactionInterface'));
return $dialog;
}
$editor = $object->getApplicationTransactionEditor()
->setActor($viewer)
->setContentSourceFromRequest($request)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true);
$template = $object->getApplicationTransactionTemplate();
$xactions = array();
$xactions[] = id(clone $template)
->setTransactionType(PhabricatorTransactions::TYPE_FILE)
->setNewValue(
array(
$file_phid => PhabricatorFileAttachment::MODE_DETACH,
));
$editor->applyTransactions($object, $xactions);
return $this->newRedirect()
->setURI($cancel_uri);
}
}

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