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nc_ext_dav_push/lib/Transport/Transport.php
Jonathan Treffler b6ba200281 fix #6
2024-08-12 20:11:19 +02:00

73 lines
No EOL
3 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright 2024 Jonathan Treffler <mail@jonathan-treffler.de>
*
* @author Jonathan Treffler <mail@jonathan-treffler.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DavPush\Transport;
abstract class Transport {
protected $id;
public function getId() {
return $this->id;
}
public function getAdditionalInformation() {
return [];
}
// Transport must return whether the provided options are valid.
// This is called before registering a subscription and decides wether to proceed.
/* Must return an array of the shape:
[
valid: bool,
errors: ?array[string], // should be human readable
]
*/
abstract public function validateOptions($options): array;
// Transport must save any options (with association to subsciptionId) it needs later and do any init logic neccessary.
/* Must return an array of the shape:
[
success: bool,
errors: ?array[string], // should be human readable
responseStatus: ?int, // http response code to the registration
response: array, // will be converted to xml and used as the response to the registration
unsubscribeLink: ?string, // overwrites unsubscribe link, transport needs to handle cleanup of entry in db itself
]
*/
abstract public function registerSubscription($subsciptionId, $options);
// Transport needs to be able to map subscription options + userId + collectionName back to a subscription id.
// API Requests to create and update a subscription are the same, therefore if a subscription id is associated with the given options the subscription is updated, otherwise a new subscription is added.
// Which option(s) uniquely identify a subscription is implementation specific.
// Options themselves do not necessarily uniquely identify a subscription, but combined with userId and collectionName it does.
// It is not recommended for transports to save userId and collectionName for themselves for this, you can just use a join with the general subscriptions table.
abstract public function getSubscriptionIdFromOptions(string $userId, string $collectionName, $options): ?int;
// Change mutable options of the subscription (if any exist)
abstract public function updateSubscription($subsciptionId, $options);
abstract public function notify(string $userId, string $collectionName, int $subscriptionId);
}