Merge pull request #1001 from nextcloud/backport-969-allow-to-validate-operations

[stable10] Allow to validate operations

apps/systemtags/appinfo/info.xml

@@ -7,7 +7,7 @@
 	<licence>AGPL</licence>
 	<author>Vincent Petry, Joas Schilling</author>
 	<default_enable/>
-	<version>1.0.1</version>
+	<version>1.0.2</version>
 	<dependencies>
 		<owncloud min-version="9.1" max-version="9.1" />
 	</dependencies>

apps/systemtags/lib/Settings/Admin.php

@@ -39,7 +39,7 @@ class Admin implements ISettings {
 	 * @return string the section ID, e.g. 'sharing'
 	 */
 	public function getSection() {
-		return 'sharing';
+		return 'additional';
 	}
 
 	/**

apps/systemtags/tests/Settings/AdminTest.php

@@ -43,7 +43,7 @@ class AdminTest extends TestCase {
 	}
 
 	public function testGetSection() {
-		$this->assertSame('sharing', $this->admin->getSection());
+		$this->assertSame('additional', $this->admin->getSection());
 	}
 
 	public function testGetPriority() {

apps/workflowengine/lib/Manager.php

@@ -30,6 +30,7 @@ use OCP\IL10N;
 use OCP\IServerContainer;
 use OCP\WorkflowEngine\ICheck;
 use OCP\WorkflowEngine\IManager;
+use OCP\WorkflowEngine\IOperation;
 
 class Manager implements IManager {
 
@@ -176,6 +177,8 @@ class Manager implements IManager {
 	 * @throws \UnexpectedValueException
 	 */
 	public function addOperation($class, $name, array $checks, $operation) {
+		$this->validateOperation($class, $name, $checks, $operation);
+
 		$checkIds = [];
 		foreach ($checks as $check) {
 			$checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']);
@@ -204,6 +207,9 @@ class Manager implements IManager {
 	 * @throws \UnexpectedValueException
 	 */
 	public function updateOperation($id, $name, array $checks, $operation) {
+		$row = $this->getOperation($id);
+		$this->validateOperation($row['class'], $name, $checks, $operation);
+
 		$checkIds = [];
 		foreach ($checks as $check) {
 			$checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']);
@@ -232,6 +238,43 @@ class Manager implements IManager {
 		return (bool) $query->execute();
 	}
 
+	/**
+	 * @param string $class
+	 * @param string $name
+	 * @param array[] $checks
+	 * @param string $operation
+	 * @throws \UnexpectedValueException
+	 */
+	protected function validateOperation($class, $name, array $checks, $operation) {
+		try {
+			/** @var IOperation $instance */
+			$instance = $this->container->query($class);
+		} catch (QueryException $e) {
+			throw new \UnexpectedValueException($this->l->t('Operation %s does not exist', $class));
+		}
+
+		if (!($instance instanceof IOperation)) {
+			throw new \UnexpectedValueException($this->l->t('Operation %s is invalid', $class));
+		}
+
+		$instance->validateOperation($name, $checks, $operation);
+
+		foreach ($checks as $check) {
+			try {
+				/** @var ICheck $instance */
+				$instance = $this->container->query($check['class']);
+			} catch (QueryException $e) {
+				throw new \UnexpectedValueException($this->l->t('Check %s does not exist', $class));
+			}
+
+			if (!($instance instanceof ICheck)) {
+				throw new \UnexpectedValueException($this->l->t('Check %s is invalid', $class));
+			}
+
+			$instance->validateCheck($check['operator'], $check['value']);
+		}
+	}
+
 	/**
 	 * @param int[] $checkIds
 	 * @return array[]
@@ -279,13 +322,8 @@ class Manager implements IManager {
 	 * @param string $operator
 	 * @param string $value
 	 * @return int Check unique ID
-	 * @throws \UnexpectedValueException
 	 */
 	protected function addCheck($class, $operator, $value) {
-		/** @var ICheck $check */
-		$check = $this->container->query($class);
-		$check->validateCheck($operator, $value);
-
 		$hash = md5($class . '::' . $operator . '::' . $value);
 
 		$query = $this->connection->getQueryBuilder();

lib/public/WorkflowEngine/IOperation.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 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;
+
+/**
+ * Interface IOperation
+ *
+ * @package OCP\WorkflowEngine
+ * @since 9.1
+ */
+interface IOperation {
+	/**
+	 * @param string $name
+	 * @param array[] $checks
+	 * @param string $operation
+	 * @throws \UnexpectedValueException
+	 * @since 9.1
+	 */
+	public function validateOperation($name, array $checks, $operation);
+}