reorganize and cleanup php server code

server/app/Http/Requests/User/UpdateLoginDetailsRequest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Vanguard\Http\Requests\User;
+
+use Vanguard\Http\Requests\Request;
+use Vanguard\User;
+
+class UpdateLoginDetailsRequest extends Request
+{
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        $user = $this->getUserForUpdate();
+
+        return [
+            'email' => 'required|email|unique:users,email,' . $user->id,
+            'username' => 'nullable|unique:users,username,' . $user->id,
+            'password' => 'nullable|min:8|confirmed'
+        ];
+    }
+
+    /**
+     * @return \Illuminate\Routing\Route|object|string
+     */
+    protected function getUserForUpdate()
+    {
+        return $this->route('user');
+    }
+}