Add group display name cache

Signed-off-by: Anna Larch <anna@nextcloud.com>

2 files changed, 104 insertions, 0 deletions

diff --git a/lib/public/Group/Events/GroupChangedEvent.php b/lib/public/Group/Events/GroupChangedEvent.php
new file mode 100644
index 00000000000..9cb5007a916
--- /dev/null
+++ b/lib/public/Group/Events/GroupChangedEvent.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2022 Anna Larch <anna.larch@gmx.net>
+ *
+ * @author Anna Larch <anna.larch@gmx.net>
+ *
+ * @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\Group\Events;
+
+use OCP\EventDispatcher\Event;
+use OCP\IGroup;
+
+/**
+ * @since 26.0.0
+ */
+class GroupChangedEvent extends Event {
+	private IGroup $group;
+	private string $feature;
+	/** @var mixed */
+	private $value;
+	/** @var mixed */
+	private $oldValue;
+
+	/**
+	 * @since 26.0.0
+	 */
+	public function __construct(IGroup $group,
+		string $feature,
+		$value,
+		$oldValue = null) {
+		parent::__construct();
+		$this->group = $group;
+		$this->feature = $feature;
+		$this->value = $value;
+		$this->oldValue = $oldValue;
+	}
+
+	/**
+	 *
+	 * @since 26.0.0
+	 *
+	 * @return IGroup
+	 */
+	public function getGroup(): IGroup {
+		return $this->group;
+	}
+
+	/**
+	 *
+	 * @since 26.0.0
+	 *
+	 * @return string
+	 */
+	public function getFeature(): string {
+		return $this->feature;
+	}
+
+	/**
+	 * @since 26.0.0
+	 *
+	 * @return mixed
+	 */
+	public function getValue() {
+		return $this->value;
+	}
+
+	/**
+	 *
+	 * @since 26.0.0
+	 *
+	 * @return mixed
+	 */
+	public function getOldValue() {
+		return $this->oldValue;
+	}
+}
diff --git a/lib/public/IGroupManager.php b/lib/public/IGroupManager.php
index d942caac9b4..2e2685eeeb4 100644
--- a/lib/public/IGroupManager.php
+++ b/lib/public/IGroupManager.php
@@ -145,4 +145,14 @@ interface IGroupManager {
 	 * @since 8.0.0
 	 */
 	public function isInGroup($userId, $group);
+
+	/**
+	 * Get the display name of a Nextcloud group
+	 *
+	 * @param string $groupId
+	 * @return ?string display name, if any
+	 *
+	 * @since 26.0.0
+	 */
+	public function getDisplayName(string $groupId): ?string;
 }