Simple AppConfig wrapper for the AppFramework

9 out of 10 cases apps want to access their own appconfig. Hence it
would be nice not to have to enter the app id all the time. This simple
wrapper just passes on the appid in all calls.

Basically this allows for simpler code in the apps.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

5 files changed, 193 insertions, 0 deletions

diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 7a4bf0ad846..3599d03fc67 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -69,6 +69,7 @@ return array(
     'OCP\\AppFramework\\OCS\\OCSNotFoundException' => $baseDir . '/lib/public/AppFramework/OCS/OCSNotFoundException.php',
     'OCP\\AppFramework\\PublicShareController' => $baseDir . '/lib/public/AppFramework/PublicShareController.php',
     'OCP\\AppFramework\\QueryException' => $baseDir . '/lib/public/AppFramework/QueryException.php',
+    'OCP\\AppFramework\\Services\\IAppConfig' => $baseDir . '/lib/public/AppFramework/Services/IAppConfig.php',
     'OCP\\AppFramework\\Utility\\IControllerMethodReflector' => $baseDir . '/lib/public/AppFramework/Utility/IControllerMethodReflector.php',
     'OCP\\AppFramework\\Utility\\ITimeFactory' => $baseDir . '/lib/public/AppFramework/Utility/ITimeFactory.php',
     'OCP\\App\\AppPathNotFoundException' => $baseDir . '/lib/public/App/AppPathNotFoundException.php',
@@ -556,6 +557,7 @@ return array(
     'OC\\AppFramework\\OCS\\V2Response' => $baseDir . '/lib/private/AppFramework/OCS/V2Response.php',
     'OC\\AppFramework\\Routing\\RouteActionHandler' => $baseDir . '/lib/private/AppFramework/Routing/RouteActionHandler.php',
     'OC\\AppFramework\\Routing\\RouteConfig' => $baseDir . '/lib/private/AppFramework/Routing/RouteConfig.php',
+    'OC\\AppFramework\\Services\\AppConfig' => $baseDir . '/lib/private/AppFramework/Services/AppConfig.php',
     'OC\\AppFramework\\Utility\\ControllerMethodReflector' => $baseDir . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
     'OC\\AppFramework\\Utility\\SimpleContainer' => $baseDir . '/lib/private/AppFramework/Utility/SimpleContainer.php',
     'OC\\AppFramework\\Utility\\TimeFactory' => $baseDir . '/lib/private/AppFramework/Utility/TimeFactory.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index ab2f1ffa56f..fcdbf82bfb7 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -98,6 +98,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\AppFramework\\OCS\\OCSNotFoundException' => __DIR__ . '/../../..' . '/lib/public/AppFramework/OCS/OCSNotFoundException.php',
         'OCP\\AppFramework\\PublicShareController' => __DIR__ . '/../../..' . '/lib/public/AppFramework/PublicShareController.php',
         'OCP\\AppFramework\\QueryException' => __DIR__ . '/../../..' . '/lib/public/AppFramework/QueryException.php',
+        'OCP\\AppFramework\\Services\\IAppConfig' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Services/IAppConfig.php',
         'OCP\\AppFramework\\Utility\\IControllerMethodReflector' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Utility/IControllerMethodReflector.php',
         'OCP\\AppFramework\\Utility\\ITimeFactory' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Utility/ITimeFactory.php',
         'OCP\\App\\AppPathNotFoundException' => __DIR__ . '/../../..' . '/lib/public/App/AppPathNotFoundException.php',
@@ -585,6 +586,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\AppFramework\\OCS\\V2Response' => __DIR__ . '/../../..' . '/lib/private/AppFramework/OCS/V2Response.php',
         'OC\\AppFramework\\Routing\\RouteActionHandler' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Routing/RouteActionHandler.php',
         'OC\\AppFramework\\Routing\\RouteConfig' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Routing/RouteConfig.php',
+        'OC\\AppFramework\\Services\\AppConfig' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Services/AppConfig.php',
         'OC\\AppFramework\\Utility\\ControllerMethodReflector' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
         'OC\\AppFramework\\Utility\\SimpleContainer' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/SimpleContainer.php',
         'OC\\AppFramework\\Utility\\TimeFactory' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/TimeFactory.php',
diff --git a/lib/private/AppFramework/DependencyInjection/DIContainer.php b/lib/private/AppFramework/DependencyInjection/DIContainer.php
index 6654d3849b2..e0c6571787e 100644
--- a/lib/private/AppFramework/DependencyInjection/DIContainer.php
+++ b/lib/private/AppFramework/DependencyInjection/DIContainer.php
@@ -52,6 +52,7 @@ use OCA\WorkflowEngine\Manager;
 use OCP\AppFramework\Http\IOutput;
 use OCP\AppFramework\IAppContainer;
 use OCP\AppFramework\QueryException;
+use OCP\AppFramework\Services\IAppConfig;
 use OCP\AppFramework\Utility\IControllerMethodReflector;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\Folder;
@@ -293,6 +294,8 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 
 		$this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, OC\Collaboration\Resources\ProviderManager::class);
 		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, OC\Collaboration\Resources\Manager::class);
+
+		$this->registerAlias(IAppConfig::class, OC\AppFramework\Services\AppConfig::class);
 	}
 
 	/**
diff --git a/lib/private/AppFramework/Services/AppConfig.php b/lib/private/AppFramework/Services/AppConfig.php
new file mode 100644
index 00000000000..4716313b342
--- /dev/null
+++ b/lib/private/AppFramework/Services/AppConfig.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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 OC\AppFramework\Services;
+
+use OCP\AppFramework\Services\IAppConfig;
+use OCP\IConfig;
+
+class AppConfig implements IAppConfig {
+
+	/** @var IConfig */
+	private $config;
+
+	/** @var string */
+	private $appName;
+
+	public function __construct(IConfig $config, string $appName) {
+		$this->config = $config;
+		$this->appName = $appName;
+	}
+
+	public function getAppKeys(): array {
+		return $this->config->getAppKeys($this->appName);
+	}
+
+	public function setAppValue(string $key, string $value): void {
+		$this->config->setAppValue($this->appName, $key, $value);
+	}
+
+	public function getAppValue(string $key, string $default = ''): string {
+		return $this->config->getAppValue($this->appName, $key, $default);
+	}
+
+	public function deleteAppValue(string $key): void {
+		$this->config->deleteAppValue($this->appName, $key);
+	}
+
+	public function deleteAppValues(): void {
+		$this->config->deleteAppValues($this->appName);
+	}
+
+	public function setUserValue(string $userId, string $key, string $value, ?string $preCondition = null): void {
+		$this->config->setUserValue($userId, $this->appName, $key, $value, $preCondition);
+	}
+
+	public function getUserValue(string $userId, string $key, string $default = ''): string {
+		return $this->config->getUserValue($userId, $this->appName, $key, $default);
+	}
+
+	public function deleteUserValue(string $userId, string $key): void {
+		return $this->config->deleteUserValue($userId, $this->appName, $key);
+	}
+}
diff --git a/lib/public/AppFramework/Services/IAppConfig.php b/lib/public/AppFramework/Services/IAppConfig.php
new file mode 100644
index 00000000000..84c9b6466b8
--- /dev/null
+++ b/lib/public/AppFramework/Services/IAppConfig.php
@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\AppFramework\Services;
+
+/**
+ * Wrapper for AppConfig for the AppFramework
+ *
+ * @since 20.0.0
+ */
+interface IAppConfig {
+	/**
+	 * Get all keys stored for this app
+	 *
+	 * @return string[] the keys stored for the app
+	 * @since 20.0.0
+	 */
+	public function getAppKeys(): array ;
+
+	/**
+	 * Writes a new app wide value
+	 *
+	 * @param string $key the key of the value, under which will be saved
+	 * @param string $value the value that should be stored
+	 * @return void
+	 * @since 20.0.0
+	 */
+	public function setAppValue(string $key, string $value): void;
+
+	/**
+	 * Looks up an app wide defined value
+	 *
+	 * @param string $key the key of the value, under which it was saved
+	 * @param string $default the default value to be returned if the value isn't set
+	 * @return string the saved value
+	 * @since 20.0.0
+	 */
+	public function getAppValue(string $key, string $default = ''): string;
+
+	/**
+	 * Delete an app wide defined value
+	 *
+	 * @param string $key the key of the value, under which it was saved
+	 * @return void
+	 * @since 20.0.0
+	 */
+	public function deleteAppValue(string $key): void;
+
+	/**
+	 * Removes all keys in appconfig belonging to the app
+	 *
+	 * @return void
+	 * @since 20.0.0
+	 */
+	public function deleteAppValues(): void;
+
+	/**
+	 * Set a user defined value
+	 *
+	 * @param string $userId the userId of the user that we want to store the value under
+	 * @param string $key the key under which the value is being stored
+	 * @param string $value the value that you want to store
+	 * @param string $preCondition only update if the config value was previously the value passed as $preCondition
+	 * @throws \OCP\PreConditionNotMetException if a precondition is specified and is not met
+	 * @throws \UnexpectedValueException when trying to store an unexpected value
+	 * @since 20.0.0
+	 */
+	public function setUserValue(string $userId, string $key, string $value, ?string $preCondition = null): void;
+
+	/**
+	 * Shortcut for getting a user defined value
+	 *
+	 * @param string $userId the userId of the user that we want to store the value under
+	 * @param string $key the key under which the value is being stored
+	 * @param mixed $default the default value to be returned if the value isn't set
+	 * @return string
+	 * @since 20.0.0
+	 */
+	public function getUserValue(string $userId, string $key, string $default = ''): string;
+
+	/**
+	 * Delete a user value
+	 *
+	 * @param string $userId the userId of the user that we want to store the value under
+	 * @param string $key the key under which the value is being stored
+	 * @since 20.0.0
+	 */
+	public function deleteUserValue(string $userId, string $key): void;
+}