Current File : /www/varak.net/nextcloud.varak.net/apps_old/apps/circles/lib/IFederatedItemShareManagement.php
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Circles;
use OCA\Circles\Model\Federated\FederatedEvent;
/**
* Interface IFederatedItemShareManagement
*
* @package OCA\Circles
*/
interface IFederatedItemShareManagement {
/**
* /!\ un Item est sharable a un Federated Circle seulement depuis l'instance qui lock l'Item.
*
*
* | Instance A | Instance B | Instance C | Instance D | Instance E |
* | | | | | |
* | --- Circle A --- | ---------------- | | | |
* | | ---------------- | --- Circle C --- | ---------------- | |
* | ---------------- | --- Circle B --- | ---------------- | | |
* | | ---------------- | ---------------- | --- Circle D --- | ---------------- |
* | | | | | |
* | | | | | |
* | Create Item1 | | | | |
* | Lock Item1 | | | | |
* | Share I1, Ca | Lock I1, Ia, Ca | | | |
* | get I1 local | get I1 on Ia | | | | OK: Get Item1 pour Circle A sur Instance A
* | | | | | |
* | Reshare I1, Cb | Lock I1, Ia, Cb | Lock I1, Ia, Cb | | |
* | get I1 local | get I1 on Ia | | | | OK: Get Item1 pour Circle B sur Instance A, via Instance B
* | | | | | |
* | Create Item2 | | | | |
* | Lock Item2 | | | | |
* | Share I2, CB | Lock I2, Ia, Cb | Lock I2, Ia, Cb | | |
* | get I2 local | get I2 on Ia | get I2 on Ia | | | OK: Get Item2 pour Circle B sur Instance A, via Instance B
* | | | | | |
* | Create Item3 | | | | |
* | Lock Item3 | | | | |
* | Share I3, Ca | | | | |
* | get I3 local | get I3 on Ia | | | | OK: Get Item3 pour Circle A sur Instance A
* | | | | | |
* | | Reshare I3, Cb | | | | ERROR
* | | Reshare I2, Cc | | | | ERROR
* | | | | | |
* | | | | | Create Item1 | (spoof, as Item must be unique)
* | | | | | Lock Item1 |
* | | I1 already exist | I1 already exist | Lock I1, Ie, Cd | Share I1, Cd | fail on Ib
* | | ERROR | ERROR | get I1 on Ie | get I1 local |
* | | | | | |
* | | | | * Join Circle B | |
* | ---------------- | --- Circle B --- | ---------------- | ---------------- | |
* | | | | shares from Ib | |
* | | | | I1 already exist | | fail on I1
* | | | | Lock I2, Ia, Cb | | OK: Get Item2 pour Circle B sur Instance A, via Instance B
* | | | | | |
* | | | | | |
* | | | | | |
* | | | | | |
*
*
*
*
*
* (on all instances) ShareLocks: itemId, singleId, instanceId, appId, circleId
*
* FederatedItem implements shareCreate(), shareUpdate(), shareDelete()
* FederatedEvent have isSharable()
*
*
* ////
* ////
* ///
* seulement aux circles qui on un membre dont on ne peut pas reshare un object deja share a un federated circle,
* si le owner de l'item n'est pas sur la meme instance
*
* instance A cree un circle A et invite instance B et instance C
* instance B cree un circle B et invite instance A et instance C
* instance C cree un item et le share a Circle A et a Circle B
* instance A et instance B possede chacun 2 locks vers instance C pour le meme item via 2 Circles.
*
* instance A cree un circle A2 et invite instance B et instance D
* instance A reshare item vers Circle A2 et cree un 3eme lock vers instance C via Circle A2.
*
* instance D tente de reshare et request instance A qui request instance C
*
*
*/
/**
* @param FederatedEvent $event
*/
public function shareCreate(FederatedEvent $event): void;
/**
* @param FederatedEvent $event
*/
public function shareUpdate(FederatedEvent $event): void;
/**
* @param FederatedEvent $event
*/
public function shareDelete(FederatedEvent $event): void;
}
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