clean up endpoint

src/Dashboard/Http/Controllers/SendMessage.php

@@ -2,6 +2,7 @@
 
 namespace BeyondCode\LaravelWebSockets\Dashboard\Http\Controllers;
 
+use BeyondCode\LaravelWebSockets\Statistics\Rules\AppId;
 use Pusher\Pusher;
 use Illuminate\Http\Request;
 use Illuminate\Broadcasting\Broadcasters\PusherBroadcaster;
@@ -9,19 +10,34 @@ use Illuminate\Broadcasting\Broadcasters\PusherBroadcaster;
 class SendMessage
 {
     public function __invoke(Request $request)
+    {
+        $validated = $request->validate([
+            'appId' => ['required', new AppId()],
+            'key' => 'required',
+            'secret' => 'required',
+            'channel' => 'required',
+            'event' => 'required',
+            'data' => 'json',
+        ]);
+
+        $this->getPusherBroadcaster($validated)->broadcast(
+            [$validated['channel']],
+            $validated['event'],
+            json_decode($validated['data'], true)
+        );
+
+        return 'ok';
+    }
+
+    protected function getPusherBroadcaster(array $validated): PusherBroadcaster
     {
         $pusher = new Pusher(
-            $request->key,
-            $request->secret,
-            $request->appId,
+            $validated['key'],
+            $validated['secret'],
+            $validated['appId'],
             config('broadcasting.connections.pusher.options', [])
         );
 
-        return (new PusherBroadcaster($pusher))
-            ->broadcast(
-                [$request->channel],
-                $request->event,
-                json_decode($request->data, true)
-            );
+        return new PusherBroadcaster($pusher);
     }
 }