feat: chat en tiempo real bidireccional funcionando con Reverb

app/Http/Controllers/ChatController.php

@@ -2,74 +2,82 @@
 
 namespace App\Http\Controllers;
 
-use App\Events\ChatMessageSent;
-use App\Models\Conversation;
+use App\Events\MessageSent;
 use App\Models\Message;
 use App\Models\User;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Storage;
 
 class ChatController extends Controller
 {
-
-    public function send(Request $request)
-{
-    $request->validate([
-        'conversation_id' => 'required|exists:conversations,id',
-        'message' => 'required|string'
-    ]);
-
-    $message = Message::create([
-        'conversation_id' => $request->conversation_id,
-        'user_id' => auth()->id(),
-        'message' => $request->message
-    ]);
-
-    // cargar usuario para que venga en el JSON
-    $message->load('user');
-
-    // enviar a los demás usuarios por websocket
-    broadcast(new ChatMessageSent($message))->toOthers();
-
-    return response()->json([
-        'message' => $message
-    ]);
-}
-
-    public function start(User $user)
+    // Lista de usuarios con quienes puedo chatear
+    public function index()
     {
-        $authUser = auth()->user();
+        $users = User::where('id', '!=', auth()->id())->get();
+        return view('chat.index', compact('users'));
+    }
 
-        // buscar conversación existente
-        $conversation = Conversation::whereHas('users', function ($q) use ($authUser) {
-            $q->where('user_id', $authUser->id);
-        })
-        ->whereHas('users', function ($q) use ($user) {
-            $q->where('user_id', $user->id);
-        })
-        ->first();
+    // Mensajes entre yo y otro usuario
+    public function show(User $user)
+    {
+        $messages = Message::where(function ($q) use ($user) {
+                $q->where('user_id', auth()->id())
+                  ->where('receiver_id', $user->id);
+            })
+            ->orWhere(function ($q) use ($user) {
+                $q->where('user_id', $user->id)
+                  ->where('receiver_id', auth()->id());
+            })
+            ->with('sender')
+            ->orderBy('created_at', 'asc')
+            ->get();
 
-        // si no existe → crear
-        if (!$conversation) {
-            $conversation = Conversation::create();
+        // marcar como leídos
+        Message::where('user_id', $user->id)
+            ->where('receiver_id', auth()->id())
+            ->whereNull('read_at')
+            ->update(['read_at' => now()]);
 
-            $conversation->users()->attach([
-                $authUser->id,
-                $user->id
-            ]);
+        return view('chat.show', compact('user', 'messages'));
+    }
+
+    // Enviar mensaje
+    public function send(Request $request)
+    {
+        $request->validate([
+            'receiver_id' => 'required|exists:users,id',
+            'body'        => 'nullable|string',
+            'attachment'  => 'nullable|file|max:20480',
+        ]);
+
+        $attachment = null;
+        $attachmentType = null;
+
+        if ($request->hasFile('attachment')) {
+            $file = $request->file('attachment');
+            $attachment = $file->store('chat', 'public');
+            $mime = $file->getMimeType();
+
+            if (str_starts_with($mime, 'image')) $attachmentType = 'image';
+            elseif (str_starts_with($mime, 'video')) $attachmentType = 'video';
+            elseif (str_starts_with($mime, 'audio')) $attachmentType = 'audio';
+            else $attachmentType = 'file';
         }
 
-        return response()->json($conversation);
-    }
+        $message = Message::create([
+            'user_id'         => auth()->id(),
+            'receiver_id'     => $request->receiver_id,
+            'body'            => $request->body,
+            'attachment'      => $attachment,
+            'attachment_type' => $attachmentType,
+        ]);
 
-    public function show($id)
-    {
-        $conversation = Conversation::with([
-            'messages' => function ($query) {
-                $query->orderBy('created_at', 'asc');
-            },
-            'messages.user'
-        ])->findOrFail($id);
+        $message->load('sender');
 
-        return view('chat.show', compact('conversation'));
+        broadcast(new MessageSent($message))->toOthers();
+
+        $message->created_at = $message->created_at->format('H:i');
+
+        return response()->json($message);
     }
 }