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phab/src/applications/differential/controller/DifferentialCommentPreviewController.php
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DifferentialCommentPreviewController.php
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<?php
final class DifferentialCommentPreviewController
extends DifferentialController {
public function handleRequest(AphrontRequest $request) {
$viewer = $this->getViewer();
$id = $request->getURIData('id');
$revision = id(new DifferentialRevisionQuery())
->setViewer($viewer)
->withIDs(array($id))
->executeOne();
if (!$revision) {
return new Aphront404Response();
}
$type_comment = PhabricatorTransactions::TYPE_COMMENT;
$type_action = DifferentialTransaction::TYPE_ACTION;
$type_edge = PhabricatorTransactions::TYPE_EDGE;
$type_subscribers = PhabricatorTransactions::TYPE_SUBSCRIBERS;
$xactions = array();
$action = $request->getStr('action');
switch ($action) {
case DifferentialAction::ACTION_COMMENT:
case DifferentialAction::ACTION_ADDREVIEWERS:
case DifferentialAction::ACTION_ADDCCS:
break;
default:
$xactions[] = id(new DifferentialTransaction())
->setTransactionType($type_action)
->setNewValue($action);
break;
}
$edge_reviewer = DifferentialRevisionHasReviewerEdgeType::EDGECONST;
$reviewers = $request->getStrList('reviewers');
if (DifferentialAction::allowReviewers($action) && $reviewers) {
$faux_edges = array();
foreach ($reviewers as $phid) {
$faux_edges[$phid] = array(
'src' => $revision->getPHID(),
'type' => $edge_reviewer,
'dst' => $phid,
);
}
$xactions[] = id(new DifferentialTransaction())
->setTransactionType($type_edge)
->setMetadataValue('edge:type', $edge_reviewer)
->setOldValue(array())
->setNewValue($faux_edges);
}
$ccs = $request->getStrList('ccs');
if ($ccs) {
$xactions[] = id(new DifferentialTransaction())
->setTransactionType($type_subscribers)
->setOldValue(array())
->setNewValue(array_fuse($ccs));
}
// Add a comment transaction if there's nothing, so we'll generate a
// nonempty result.
if (strlen($request->getStr('content')) || !$xactions) {
$xactions[] = id(new DifferentialTransaction())
->setTransactionType($type_comment)
->attachComment(
id(new ManiphestTransactionComment())
->setContent($request->getStr('content')));
}
foreach ($xactions as $xaction) {
$xaction->setAuthorPHID($viewer->getPHID());
}
$engine = new PhabricatorMarkupEngine();
$engine->setViewer($request->getUser());
foreach ($xactions as $xaction) {
if ($xaction->hasComment()) {
$engine->addObject(
$xaction->getComment(),
PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
}
}
$engine->process();
$phids = mpull($xactions, 'getRequiredHandlePHIDs');
$phids = array_mergev($phids);
$handles = id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs($phids)
->execute();
foreach ($xactions as $xaction) {
$xaction->setHandles($handles);
}
$view = id(new DifferentialTransactionView())
->setUser($viewer)
->setTransactions($xactions)
->setIsPreview(true);
$metadata = array(
'reviewers' => $reviewers,
'ccs' => $ccs,
);
if ($action != DifferentialAction::ACTION_COMMENT) {
$metadata['action'] = $action;
}
$draft_key = 'differential-comment-'.$id;
$draft = id(new PhabricatorDraft())
->setAuthorPHID($viewer->getPHID())
->setDraftKey($draft_key)
->setDraft($request->getStr('content'))
->setMetadata($metadata)
->replaceOrDelete();
if ($draft->isDeleted()) {
DifferentialDraft::deleteHasDraft(
$viewer->getPHID(),
$revision->getPHID(),
$draft_key);
} else {
DifferentialDraft::markHasDraft(
$viewer->getPHID(),
$revision->getPHID(),
$draft_key);
}
return id(new AphrontAjaxResponse())
->setContent((string)phutil_implode_html('', $view->buildEvents()));
}
}
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