From 086e2d2668784469ec114f6e6fd2b3dace3d7c3b Mon Sep 17 00:00:00 2001
From: Jonas Kohl
Date: Thu, 12 Sep 2024 19:49:17 +0200
Subject: Way more progress on forum

---
 .../mystic/forum/utils/ValidationUtils.php         | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/application/mystic/forum/utils/ValidationUtils.php

(limited to 'src/application/mystic/forum/utils/ValidationUtils.php')

diff --git a/src/application/mystic/forum/utils/ValidationUtils.php b/src/application/mystic/forum/utils/ValidationUtils.php
new file mode 100644
index 0000000..df97914
--- /dev/null
+++ b/src/application/mystic/forum/utils/ValidationUtils.php
@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+namespace mystic\forum\utils;
+
+use mystic\forum\Database;
+use mystic\forum\orm\User;
+
+final class ValidationUtils {
+    use StaticClass;
+
+    public static function isUsernameValid(string $name): bool {
+        return !!preg_match('/^[a-z0-9]([._](?![._])|[a-z0-9]){2,30}[a-z0-9]$/', $name);
+    }
+
+    public static function isUsernameAvailable(Database &$db, string $name): bool {
+        $user = new User();
+        $user->name = $name;
+        return !$db->fetchWhere($user, "name");
+    }
+}
+
-- 
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