1 files changed, 55 insertions, 0 deletions
diff --git a/lib/private/Support/Subscription/Assertion.php b/lib/private/Support/Subscription/Assertion.php
new file mode 100644
index 00000000000..9b77e875944
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+++ b/lib/private/Support/Subscription/Assertion.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Support\Subscription;
+
+use OCP\HintException;
+use OCP\L10N\IFactory;
+use OCP\Notification\IManager;
+use OCP\Support\Subscription\IAssertion;
+use OCP\Support\Subscription\IRegistry;
+
+class Assertion implements IAssertion {
+	private IRegistry $registry;
+	private IFactory $l10nFactory;
+	private IManager $notificationManager;
+
+	public function __construct(IRegistry $registry, IFactory $l10nFactory, IManager $notificationManager) {
+		$this->registry = $registry;
+		$this->l10nFactory = $l10nFactory;
+		$this->notificationManager = $notificationManager;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function createUserIsLegit(): void {
+		if ($this->registry->delegateIsHardUserLimitReached($this->notificationManager)) {
+			$l = $this->l10nFactory->get('lib');
+			throw new HintException($l->t('The user limit has been reached and the user was not created. Check your notifications to learn more.'));
+		}
+	}
+}