feat: add Reverb realtime messaging

app/Events/TypingStarted.php

@@ -2,15 +2,46 @@
 
 namespace App\Events;
 
+use App\Models\User;
+use App\Services\Messaging\MessagingPayloadFactory;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Broadcasting\PresenceChannel;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Queue\SerializesModels;
 
-class TypingStarted
+class TypingStarted implements ShouldBroadcast
 {
-    use Dispatchable, SerializesModels;
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    public bool $afterCommit = true;
+    public string $queue;
 
     public function __construct(
         public int $conversationId,
-        public int $userId,
-    ) {}
+        public User $user,
+    ) {
+        $this->queue = (string) config('messaging.broadcast.queue', 'broadcasts');
+        $this->dontBroadcastToCurrentUser();
+    }
+
+    public function broadcastOn(): array
+    {
+        return [new PresenceChannel('conversation.' . $this->conversationId)];
+    }
+
+    public function broadcastAs(): string
+    {
+        return 'typing.started';
+    }
+
+    public function broadcastWith(): array
+    {
+        return [
+            'event' => 'typing.started',
+            'conversation_id' => $this->conversationId,
+            'user' => app(MessagingPayloadFactory::class)->userSummary($this->user),
+            'expires_in_ms' => (int) config('messaging.typing.ttl_seconds', 8) * 1000,
+        ];
+    }
 }