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phorge/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRemoveController.php
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PhabricatorApplicationTransactionCommentRemoveController.php
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<?php
final class PhabricatorApplicationTransactionCommentRemoveController
extends PhabricatorApplicationTransactionController {
public function handleRequest(AphrontRequest $request) {
$viewer = $this->getViewer();
$phid = $request->getURIData('phid');
$xaction = id(new PhabricatorObjectQuery())
->withPHIDs(array($phid))
->setViewer($viewer)
->executeOne();
if (!$xaction) {
return new Aphront404Response();
}
if (!$xaction->getComment()) {
return new Aphront404Response();
}
if ($xaction->getComment()->getIsRemoved()) {
// You can't remove an already-removed comment.
return new Aphront400Response();
}
$obj_phid = $xaction->getObjectPHID();
$obj_handle = id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs(array($obj_phid))
->executeOne();
$done_uri = $obj_handle->getURI();
// We allow administrative removal of comments even if an object is locked,
// so you can lock a flamewar and then go clean it up. Locked threads may
// not otherwise be edited, and non-administrators can not remove comments
// from locked threads.
$object = $xaction->getObject();
$can_interact = PhabricatorPolicyFilter::canInteract(
$viewer,
$object);
if (!$can_interact && !$viewer->getIsAdmin()) {
return $this->newDialog()
->setTitle(pht('Conversation Locked'))
->appendParagraph(
pht(
'You can not remove this comment because the conversation is '.
'locked.'))
->addCancelButton($done_uri);
}
if ($request->isFormOrHisecPost()) {
$comment = $xaction->getApplicationTransactionCommentObject()
->setContent('')
->setIsRemoved(true);
$editor = id(new PhabricatorApplicationTransactionCommentEditor())
->setActor($viewer)
->setRequest($request)
->setCancelURI($done_uri)
->setContentSource(PhabricatorContentSource::newFromRequest($request))
->applyEdit($xaction, $comment);
if ($request->isAjax()) {
return id(new AphrontAjaxResponse())->setContent(array());
} else {
return id(new AphrontReloadResponse())->setURI($done_uri);
}
}
$form = id(new AphrontFormView())
->setUser($viewer);
$dialog = $this->newDialog()
->setTitle(pht('Remove Comment'));
$dialog
->appendParagraph(
pht(
"Removing a comment prevents anyone (including you) from reading ".
"it. Removing a comment also hides the comment's edit history ".
"and prevents it from being edited."))
->appendParagraph(
pht('Really remove this comment?'));
$dialog
->addSubmitButton(pht('Remove Comment'))
->addCancelButton($done_uri);
return $dialog;
}
}

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