ladill-meet/app/Services/Meet/SpaceService.php

<?php

namespace App\Services\Meet;

use App\Models\Participant;
use App\Models\Room;
use App\Models\User;

class SpaceService
{
    /**
     * Resolve participant role for an audio-only room join.
     */
    public function resolveJoinRole(Room $room, ?User $user, string $fallbackRole = 'guest'): string
    {
        if ($room->type !== 'space') {
            return $fallbackRole;
        }

        if ($user && $user->ownerRef() === $room->host_user_ref) {
            return 'host';
        }

        $speakerRefs = (array) $room->setting('speaker_refs', []);

        if ($user && in_array($user->ownerRef(), $speakerRefs, true)) {
            return 'panelist';
        }

        return 'attendee';
    }

    public function canPublish(Room $room, Participant $participant): bool
    {
        if ($room->type !== 'space') {
            return true;
        }

        return in_array($participant->role, ['host', 'co_host', 'panelist'], true);
    }

    public function isListener(Room $room, Participant $participant): bool
    {
        return $room->type === 'space' && $participant->role === 'attendee';
    }

    public function isAudioOnly(Room $room): bool
    {
        return $room->isSpace() || (bool) $room->setting('audio_only', false);
    }

    /**
     * Whether a live-room feature is available for this room type.
     * Audio rooms (Spaces) mirror Twitter Spaces — no breakouts, chat, Q&A, etc.
     */
    public function allowsRoomFeature(Room $room, string $feature): bool
    {
        if (! $room->isSpace()) {
            return true;
        }

        return ! in_array($feature, [
            'breakouts',
            'chat',
            'qa',
            'polls',
            'files',
            'whiteboard',
            'programme',
            'live_stream',
            'lock',
        ], true);
    }
}