nextcloud/lib/public/WorkflowEngine/IOperation.php

104 lines
3.2 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
*
* @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 OCP\WorkflowEngine;
use Symfony\Component\EventDispatcher\GenericEvent;
/**
* Interface IOperation
*
* @package OCP\WorkflowEngine
* @since 9.1
*/
interface IOperation {
/**
* returns a translated name to be presented in the web interface
*
* Example: "Automated tagging" (en), "Aŭtomata etikedado" (eo)
*
* @since 18.0.0
*/
public function getDisplayName(): string;
/**
* returns a translated, descriptive text to be presented in the web interface.
*
* It should be short and precise.
*
* Example: "Tag based automatic deletion of files after a given time." (en)
*
* @since 18.0.0
*/
public function getDescription(): string;
/**
* returns the URL to the icon of the operator for display in the web interface.
*
* Usually, the implementation would utilize the `imagePath()` method of the
* `\OCP\IURLGenerator` instance and simply return its result.
*
* Example implementation: return $this->urlGenerator->imagePath('myApp', 'cat.svg');
*
* @since 18.0.0
*/
public function getIcon(): string;
/**
* returns whether the operation can be used in the requested scope.
*
* Scope IDs are defined as constants in OCP\WorkflowEngine\IManager. At
* time of writing these are SCOPE_ADMIN and SCOPE_USER.
*
* For possibly unknown future scopes the recommended behaviour is: if
* user scope is permitted, the default behaviour should return `true`,
* otherwise `false`.
*
* @since 18.0.0
*/
public function isAvailableForScope(int $scope): bool;
/**
* Validates whether a configured workflow rule is valid. If it is not,
* an `\UnexpectedValueException` is supposed to be thrown.
*
* @throws \UnexpectedValueException
* @since 9.1
*/
public function validateOperation(string $name, array $checks, string $operation): void;
/**
* Is being called by the workflow engine when an event was triggered that
* is configured for this operation. An evaluation whether the event
* qualifies for this operation to run has still to be done by the
* implementor by calling the RuleMatchers getMatchingOperations method
* and evaluating the results.
*
* If the implementor is an IComplexOperation, this method will not be
* called automatically. It can be used or left as no-op by the implementor.
*
* @since 18.0.0
*/
public function onEvent(string $eventName, GenericEvent $event, IRuleMatcher $ruleMatcher): void;
}