Basic user management

app/Repositories/UserRepository.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Models\User;
+use DateTime;
+
+class UserRepository {
+    public function findByUsername(string $username) : ?User {
+        return User::where(['username' => $username])->first();
+    }
+
+    public function checkVerificationToken(User $user, string $token) : bool {
+        if (new DateTime() > DateTime::createFromFormat('Y-m-d H:i:s', $user->activation_token_expires_at)) {
+            return false;
+        }
+
+        return $token === $user->activation_token;
+    }
+}