scrum-poker-internal/app/Http/Controllers/RoomPlayerController.php

<?php

namespace App\Http\Controllers;

use App\Http\Requests\JoinRoomRequest;
use App\Services\Rooms\RoomParticipationService;
use Illuminate\Http\RedirectResponse;

class RoomPlayerController extends Controller
{
    public function __construct(
        private readonly RoomParticipationService $roomParticipation,
    ) {}

    public function join(JoinRoomRequest $request): RedirectResponse
    {
        /** @var array{join_code: string, player_name: string} $validated */
        $validated = $request->validated();
        $sessionPlayerIds = $request->session()->get('room_players', []);

        [$room, $player] = $this->roomParticipation->join(
            $validated,
            $request->user(),
            is_array($sessionPlayerIds) ? $sessionPlayerIds : [],
        );

        $request->session()->put(
            "room_players.{$room->id}",
            $player->id,
        );

        return to_route('room.show', $room);
    }
}