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PhabricatorCalendarEventCancelController.php
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Fri, Apr 4, 12:11

PhabricatorCalendarEventCancelController.php
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<?php
final class PhabricatorCalendarEventCancelController
extends PhabricatorCalendarController {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$id = $request->getURIData('id');
// Just check CAN_VIEW first. Then we'll check if this is an import so
// we can raise a better error.
$event = id(new PhabricatorCalendarEventQuery())
->setViewer($viewer)
->withIDs(array($id))
->executeOne();
if (!$event) {
return new Aphront404Response();
}
$response = $this->newImportedEventResponse($event);
if ($response) {
return $response;
}
// Now that we've done the import check, check for CAN_EDIT.
PhabricatorPolicyFilter::requireCapability(
$viewer,
$event,
PhabricatorPolicyCapability::CAN_EDIT);
$cancel_uri = $event->getURI();
$is_parent = $event->isParentEvent();
$is_child = $event->isChildEvent();
$is_cancelled = $event->getIsCancelled();
$is_recurring = $event->getIsRecurring();
$validation_exception = null;
if ($request->isFormPost()) {
$targets = array();
if ($is_recurring) {
$mode = $request->getStr('mode');
$is_future = ($mode == 'future');
// We need to fork the event if we're cancelling just the parent, or
// are cancelling a child and all future events.
$must_fork = ($is_child && $is_future) ||
($is_parent && !$is_future);
if ($must_fork) {
if ($is_child) {
$xactions = array();
$xaction = id(new PhabricatorCalendarEventTransaction())
->setTransactionType(
PhabricatorCalendarEventForkTransaction::TRANSACTIONTYPE)
->setNewValue(true);
$editor = id(new PhabricatorCalendarEventEditor())
->setActor($viewer)
->setContentSourceFromRequest($request)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true);
$editor->applyTransactions($event, array($xaction));
$targets[] = $event;
} else {
// TODO: This is a huge mess; we need to load or generate the
// first child, then fork that, then apply the event to the
// parent. Just bail for now.
throw new Exception(
pht(
'Individual edits to parent events are not yet supported '.
'because they are real tricky to implement.'));
}
} else {
$targets[] = $event;
}
if ($is_future) {
// NOTE: If you can't edit some of the future events, we just
// don't try to update them. This seems like it's probably what
// users are likely to expect.
$future = id(new PhabricatorCalendarEventQuery())
->setViewer($viewer)
->withParentEventPHIDs(array($event->getPHID()))
->withUTCInitialEpochBetween($event->getUTCInitialEpoch(), null)
->requireCapabilities(
array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
))
->execute();
foreach ($future as $future_event) {
$targets[] = $future_event;
}
}
} else {
$targets = array($event);
}
foreach ($targets as $target) {
$xactions = array();
$xaction = id(new PhabricatorCalendarEventTransaction())
->setTransactionType(
PhabricatorCalendarEventCancelTransaction::TRANSACTIONTYPE)
->setNewValue(!$is_cancelled);
$editor = id(new PhabricatorCalendarEventEditor())
->setActor($viewer)
->setContentSourceFromRequest($request)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true);
try {
$editor->applyTransactions($target, array($xaction));
} catch (PhabricatorApplicationTransactionValidationException $ex) {
$validation_exception = $ex;
break;
}
}
if (!$validation_exception) {
return id(new AphrontRedirectResponse())->setURI($cancel_uri);
}
}
if ($is_cancelled) {
$title = pht('Reinstate Event');
if ($is_recurring) {
$body = pht(
'This event is part of a series. Which events do you want to '.
'reinstate?');
$show_control = true;
} else {
$body = pht('Reinstate this event?');
$show_control = false;
}
$submit = pht('Reinstate Event');
} else {
$title = pht('Cancel Event');
if ($is_recurring) {
$body = pht(
'This event is part of a series. Which events do you want to '.
'cancel?');
$show_control = true;
} else {
$body = pht('Cancel this event?');
$show_control = false;
}
$submit = pht('Cancel Event');
}
$dialog = $this->newDialog()
->setTitle($title)
->setValidationException($validation_exception)
->appendParagraph($body)
->addCancelButton($cancel_uri, pht('Back'))
->addSubmitButton($submit);
if ($show_control) {
$form = id(new AphrontFormView())
->setViewer($viewer)
->appendControl(
id(new AphrontFormSelectControl())
->setLabel(pht('Cancel Events'))
->setName('mode')
->setOptions(
array(
'this' => pht('Only This Event'),
'future' => pht('All Future Events'),
)));
$dialog->appendForm($form);
}
return $dialog;
}
}

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