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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 {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$phid = $request->getURIData('phid');
$action = $request->getURIData('action');
if (!$request->isFormPost()) {
return new Aphront400Response();
}
switch ($action) {
case 'add':
$is_add = true;
break;
case 'delete':
$is_add = false;
break;
default:
return new Aphront400Response();
}
$handle = id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs(array($phid))
->executeOne();
$object = id(new PhabricatorObjectQuery())
->setViewer($viewer)
->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($viewer->getPHID())) {
return $this->buildErrorResponse(
pht('Automatically Subscribed'),
pht('You are automatically subscribed to this object.'),
$handle->getURI());
}
if ($object instanceof PhabricatorApplicationTransactionInterface) {
if ($is_add) {
$xaction_value = array(
'+' => array($viewer->getPHID()),
);
} else {
$xaction_value = array(
'-' => array($viewer->getPHID()),
);
}
$xaction = id($object->getApplicationTransactionTemplate())
->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
->setNewValue($xaction_value);
$editor = id($object->getApplicationTransactionEditor())
->setActor($viewer)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true)
->setContentSourceFromRequest($request);
$editor->applyTransactions(
$object->getApplicationTransactionObject(),
array($xaction));
} else {
// TODO: Eventually, get rid of this once everything implements
// PhabriatorApplicationTransactionInterface.
$editor = id(new PhabricatorSubscriptionsEditor())
->setActor($viewer)
->setObject($object);
if ($is_add) {
$editor->subscribeExplicit(array($viewer->getPHID()), $explicit = true);
} else {
$editor->unsubscribe(array($viewer->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();
$viewer = $request->getUser();
$dialog = id(new AphrontDialogView())
->setUser($viewer)
->setTitle($title)
->appendChild($message)
->addCancelButton($uri);
return id(new AphrontDialogResponse())->setDialog($dialog);
}
}
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