rag/app/Http/Controllers/ChatController.php

<?php

namespace App\Http\Controllers;

use App\Models\Chat;
use Illuminate\Http\Request;

class ChatController extends Controller
{
    public function index(?Chat $chat = null)
    {
        $chat?->load('messages');

        return inertia("Chat", [
            'chat' => $chat?->toResource(),
            "chats" => fn() => Chat::all(),
        ]);
    }

    public function message(Request $request)
    {
        $chat = $request->filled('uuid') ? Chat::find($request->input('uuid')) : Chat::create();
        $chat->messages()->create(['text' => $request->input('message')]);

        //TODO: Send To LLM

        return redirect()->route('chats.view', ['chat' => $chat->id]);
    }

    public function destroy(Chat $chat)
    {
        $chat->delete();

        return redirect()->route('chats.index');
    }
}