pixelfed/app/Util/ActivityPub/Outbox.php

<?php

namespace App\Util\ActivityPub;

use App\Http\Controllers\ProfileController;
use App\Status;
use App\Transformer\ActivityPub\Verb\CreateNote;
use League\Fractal;

class Outbox
{
    public static function get($profile)
    {
        abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
        abort_if(! config('federation.activitypub.outbox'), 404);

        if ($profile->status != null) {
            return ProfileController::accountCheck($profile);
        }

        if ($profile->is_private) {
            return ['error' => '403', 'msg' => 'private profile'];
        }

        $timeline = $profile
            ->statuses()
            ->whereScope('public')
            ->orderBy('created_at', 'desc')
            ->take(10)
            ->get();

        $count = Status::whereProfileId($profile->id)->count();

        $fractal = new Fractal\Manager();
        $resource = new Fractal\Resource\Collection($timeline, new CreateNote());
        $res = $fractal->createData($resource)->toArray();

        $outbox = [
            '@context' => 'https://www.w3.org/ns/activitystreams',
            '_debug' => 'Outbox only supports latest 10 objects, pagination is not supported',
            'id' => $profile->permalink('/outbox'),
            'type' => 'OrderedCollection',
            'totalItems' => $count,
            'orderedItems' => $res['data'],
        ];

        return $outbox;
    }
}