start project

app/Http/Controllers/ChatMessageController.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Channel;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+
+class ChatMessageController extends Controller
+{
+    public function store(Request $request, Channel $channel): RedirectResponse
+    {
+        abort_if($request->user()->isSuspended() || $channel->isSuspended(), 403);
+        abort_unless($channel->is_live && $channel->live_broadcast_id, 422, 'Chat is available only while the channel is live.');
+
+        $validated = $request->validate([
+            'body' => ['required', 'string', 'max:500'],
+        ]);
+
+        $channel->chatMessages()->create([
+            'broadcast_id' => $channel->live_broadcast_id,
+            'user_id' => $request->user()->id,
+            'body' => trim($validated['body']),
+        ]);
+
+        return back();
+    }
+}