add package

app/Http/Requests/StoreMessageRequest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Message;
+use Illuminate\Validation\Rule;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Contracts\Validation\Validator;
+
+
+class StoreMessageRequest extends FormRequest
+{
+    public function authorize()
+    {
+        if ($this->method() == 'POST') {
+            return auth('api')->check() &&  auth('api')->user()->can('store', Message::class);
+        } else {
+            $Message = $this->route('Message');
+            return auth('api')->check() && $Message && auth('api')->user()->can('update', $Message);
+        }
+    }
+
+    public function rules()
+    {
+        switch ($this->method()) {
+            case 'POST': {
+                return [
+                    'title' => 'nullable',
+                    'text' => 'required',
+                    'recipient_user_id' => 'required',
+                ];
+                break;
+            }
+            case 'PUT':
+            case 'PATCH': {
+                $Message =  $this->route('Message');
+                return [
+                    'title' => 'nullable',
+                    'text' => 'required',
+                    'recipient_user_id' => 'required',
+                ];
+                break;
+
+            }
+            default:
+                break;
+        }
+
+    }
+
+}