Differential D20967 Diff 49959 src/applications/subscriptions/engineextension/PhabricatorSubscriptionsCurtainExtension.php

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src/applications/subscriptions/engineextension/PhabricatorSubscriptionsCurtainExtension.php

Show All 9 Lines	final class PhabricatorSubscriptionsCurtainExtension
}		}

public function getExtensionApplication() {		public function getExtensionApplication() {
return new PhabricatorSubscriptionsApplication();		return new PhabricatorSubscriptionsApplication();
}		}

public function buildCurtainPanel($object) {		public function buildCurtainPanel($object) {
$viewer = $this->getViewer();		$viewer = $this->getViewer();
		$viewer_phid = $viewer->getPHID();
$object_phid = $object->getPHID();		$object_phid = $object->getPHID();

		$max_handles = 100;
		$max_visible = 8;

		// TODO: We should limit the number of subscriber PHIDs we'll load, so
		Lint: TODO Comment Inline Actions This comment has a TODO. Lint: TODO Comment: This comment has a TODO.
		// we degrade gracefully when objects have thousands of subscribers.

$subscriber_phids = PhabricatorSubscribersQuery::loadSubscribersForPHID(		$subscriber_phids = PhabricatorSubscribersQuery::loadSubscribersForPHID(
$object_phid);		$object_phid);
		$subscriber_count = count($subscriber_phids);

		$subscriber_phids = $this->sortSubscriberPHIDs(
		$subscriber_phids,
		null);

		// If we have fewer subscribers than the maximum number of handles we're
		// willing to load, load all the handles and then sort the list based on
		// complete handle data.

		// If we have too many PHIDs, we'll skip this step and accept a less
		// useful ordering.
		$handles = null;
		if ($subscriber_count <= $max_handles) {
$handles = $viewer->loadHandles($subscriber_phids);		$handles = $viewer->loadHandles($subscriber_phids);

// TODO: This class can't accept a HandleList yet.		$subscriber_phids = $this->sortSubscriberPHIDs(
$handles = iterator_to_array($handles);		$subscriber_phids,
		$handles);
		}

		// If we have more PHIDs to show than visible slots, slice the list.
		if ($subscriber_count > $max_visible) {
		$visible_phids = array_slice($subscriber_phids, 0, $max_visible - 1);
		$show_all = true;
		} else {
		$visible_phids = $subscriber_phids;
		$show_all = false;
		}

		// If we didn't load handles earlier because we had too many PHIDs,
		// load them now.
		if ($handles === null) {
		$handles = $viewer->loadHandles($visible_phids);
		}

		$ref_list = id(new PHUICurtainObjectRefListView())
		->setViewer($viewer)
		->setEmptyMessage(pht('None'));

		foreach ($visible_phids as $phid) {
		$ref = $ref_list->newObjectRefView()
		->setHandle($handles[$phid]);

		if ($phid === $viewer_phid) {
		$ref->setHighlighted(true);
		}
		}

$susbscribers_view = id(new SubscriptionListStringBuilder())		if ($show_all) {
->setObjectPHID($object_phid)		$view_all_uri = urisprintf(
->setHandles($handles)		'/subscriptions/list/%s/',
->buildPropertyString();		$object_phid);

		$ref_list->newTailLink()
		->setURI($view_all_uri)
		->setText(pht('View All %d Subscriber(s)', $subscriber_count))
		->setWorkflow(true);
		}

return $this->newPanel()		return $this->newPanel()
->setHeaderText(pht('Subscribers'))		->setHeaderText(pht('Subscribers'))
->setOrder(20000)		->setOrder(20000)
->appendChild($susbscribers_view);		->appendChild($ref_list);
		}

		private function sortSubscriberPHIDs(array $subscriber_phids, $handles) {

		// Sort subscriber PHIDs with or without handle data. If we have handles,
		// we can sort results more comprehensively.

		$viewer = $this->getViewer();

		$user_type = PhabricatorPeopleUserPHIDType::TYPECONST;
		$viewer_phid = $viewer->getPHID();

		$type_order_map = array(
		PhabricatorPeopleUserPHIDType::TYPECONST => 0,
		PhabricatorProjectProjectPHIDType::TYPECONST => 1,
		PhabricatorOwnersPackagePHIDType::TYPECONST => 2,
		);
		$default_type_order = count($type_order_map);

		$subscriber_map = array();
		foreach ($subscriber_phids as $subscriber_phid) {
		$is_viewer = ($viewer_phid === $subscriber_phid);

		$subscriber_type = phid_get_type($subscriber_phid);
		$type_order = idx($type_order_map, $subscriber_type, $default_type_order);

		$sort_name = '';
		$is_complete = false;
		if ($handles) {
		if (isset($handles[$subscriber_phid])) {
		$handle = $handles[$subscriber_phid];
		if ($handle->isComplete()) {
		$is_complete = true;
		$sort_name = $handle->getLinkName();
		}
		}
		}

		$subscriber_map[$subscriber_phid] = id(new PhutilSortVector())
		->addInt($is_viewer ? 0 : 1)
		->addInt($is_complete ? 0 : 1)
		->addInt($type_order)
		->addString($sort_name);
		}

		$subscriber_map = msortv($subscriber_map, 'getSelf');

		return array_keys($subscriber_map);
}		}

}		}