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phab/src/applications/subscriptions/controller/PhabricatorSubscriptionsEditController.php
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PhabricatorSubscriptionsEditController.php
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<?php
final class PhabricatorSubscriptionsEditController
extends PhabricatorController {
private $phid;
private $action;
public function willProcessRequest(array $data) {
$this->phid = idx($data, 'phid');
$this->action = idx($data, 'action');
}
public function processRequest() {
$request = $this->getRequest();
if (!$request->isFormPost()) {
return new Aphront400Response();
}
switch ($this->action) {
case 'add':
$is_add = true;
break;
case 'delete':
$is_add = false;
break;
default:
return new Aphront400Response();
}
$user = $request->getUser();
$phid = $this->phid;
// TODO: This is a policy test because `loadObjects()` is not currently
// policy-aware. Once it is, we can collapse this.
$handle = PhabricatorObjectHandleData::loadOneHandle($phid, $user);
if (!$handle->isComplete()) {
return new Aphront404Response();
}
$objects = id(new PhabricatorObjectHandleData(array($phid)))
->setViewer($user)
->loadObjects();
$object = idx($objects, $phid);
if (!($object instanceof PhabricatorSubscribableInterface)) {
return $this->buildErrorResponse(
pht('Bad Object'),
pht('This object is not subscribable.'),
$handle->getURI());
}
if ($object->isAutomaticallySubscribed($user->getPHID())) {
return $this->buildErrorResponse(
pht('Automatically Subscribed'),
pht('You are automatically subscribed to this object.'),
$handle->getURI());
}
if ($object instanceof PhabricatorApplicationTransactionInterface) {
if ($is_add) {
$xaction_value = array(
'+' => array($user->getPHID()),
);
} else {
$xaction_value = array(
'-' => array($user->getPHID()),
);
}
$xaction = id($object->getApplicationTransactionObject())
->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
->setNewValue($xaction_value);
$editor = id($object->getApplicationTransactionEditor())
->setActor($user)
->setContinueOnNoEffect(true)
->setContentSourceFromRequest($request);
$editor->applyTransactions($object, array($xaction));
} else {
// TODO: Eventually, get rid of this once everything implements
// PhabriatorApplicationTransactionInterface.
$editor = id(new PhabricatorSubscriptionsEditor())
->setActor($user)
->setObject($object);
if ($is_add) {
$editor->subscribeExplicit(array($user->getPHID()), $explicit = true);
} else {
$editor->unsubscribe(array($user->getPHID()));
}
$editor->save();
}
// TODO: We should just render the "Unsubscribe" action and swap it out
// in the document for Ajax requests.
return id(new AphrontReloadResponse())->setURI($handle->getURI());
}
private function buildErrorResponse($title, $message, $uri) {
$request = $this->getRequest();
$user = $request->getUser();
$dialog = id(new AphrontDialogView())
->setUser($user)
->setTitle($title)
->appendChild($message)
->addCancelButton($uri);
return id(new AphrontDialogResponse())->setDialog($dialog);
}
}
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