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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;
$handle = id(new PhabricatorHandleQuery())
->setViewer($user)
->withPHIDs(array($phid))
->executeOne();
if (phid_get_type($phid) == PhabricatorProjectProjectPHIDType::TYPECONST) {
// TODO: This is a big hack, but a weak argument for adding some kind
// of "load for role" feature to ObjectQuery, and also not a really great
// argument for adding some kind of "load extra stuff" feature to
// SubscriberInterface. Do this for now and wait for the best way forward
// to become more clear?
$object = id(new PhabricatorProjectQuery())
->setViewer($user)
->withPHIDs(array($phid))
->needWatchers(true)
->executeOne();
} else {
$object = id(new PhabricatorObjectQuery())
->setViewer($user)
->withPHIDs(array($phid))
->executeOne();
}
if (!($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->shouldAllowSubscription($user->getPHID())) {
return $this->buildErrorResponse(
pht('You Can Not Subscribe'),
pht('You can not subscribe 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->getApplicationTransactionTemplate())
->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
->setNewValue($xaction_value);
$editor = id($object->getApplicationTransactionEditor())
->setActor($user)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true)
->setContentSourceFromRequest($request);
$editor->applyTransactions(
$object->getApplicationTransactionObject(),
array($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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