first commit

app/Repository/AdminUserRepository.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * This service file is part of item.
+ *
+ * @author   ctexthuang
+ * @contact  ctexthuang@qq.com
+ */
+
+declare(strict_types=1);
+
+namespace App\Repository;
+
+use App\Model\AdminUser;
+
+/**
+ * Class AdminUserRepository
+ * @extends BaseRepository<AdminUser>
+ */
+final class AdminUserRepository extends BaseRepository
+{
+    public function __construct(protected readonly AdminUser $model) {}
+
+    /**
+     * @param string $username
+     * @return AdminUser|null
+     */
+    public function findByUserName(string $username): AdminUser|null
+    {
+        // @phpstan-ignore-next-line
+        return $this->model->newQuery()
+            ->where('username', $username)
+            ->first();
+    }
+}