Add support API validation rules

app/Http/Requests/Support/Resources/SupportUserResourceRequest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Http\Requests\Support\Resources;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Validation\Rule;
+
+class SupportUserResourceRequest extends SupportResourceFormRequest
+{
+    public static function rulesFor(string $action, ?Model $model = null): array
+    {
+        $userId = $model?->getKey();
+
+        return [
+            'first_name' => ['sometimes', 'string', 'max:255'],
+            'last_name' => ['sometimes', 'string', 'max:255'],
+            'username' => [
+                'sometimes',
+                'string',
+                'max:255',
+                Rule::unique('users', 'username')->ignore($userId),
+            ],
+            'email' => [
+                'sometimes',
+                'email',
+                'max:255',
+                Rule::unique('users', 'email')->ignore($userId),
+            ],
+            'address' => ['sometimes', 'string', 'max:1000'],
+            'phone' => ['sometimes', 'string', 'max:50'],
+            'preferred_locale' => ['sometimes', 'string', 'max:10'],
+        ];
+    }
+
+    public static function allowedFields(string $action): array
+    {
+        return [
+            'first_name',
+            'last_name',
+            'username',
+            'email',
+            'address',
+            'phone',
+            'preferred_locale',
+        ];
+    }
+}