pixelfed/app/Jobs/StoryPipeline/StoryExpire.php

<?php

namespace App\Jobs\StoryPipeline;

use App\Models\Story;
use App\Services\ActivityPubDeliveryService;
use App\Services\FollowerService;
use App\Services\FractalService;
use App\Services\StoryIndexService;
use App\Services\StoryService;
use App\Transformer\ActivityPub\Verb\DeleteStory;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Storage;

class StoryExpire implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected $story;

    /**
     * Delete the job if its models no longer exist.
     *
     * @var bool
     */
    public $deleteWhenMissingModels = true;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct(Story $story)
    {
        $this->story = $story;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        $story = $this->story;

        if ($story->local == false) {
            $this->handleRemoteExpiry();

            return;
        }

        if ($story->active == false) {
            return;
        }

        if ($story->expires_at->gt(now())) {
            return;
        }

        $story->active = false;
        $story->save();

        $this->rotateMediaPath();

        $index = app(StoryIndexService::class);
        $index->removeStory($story->id, $story->profile_id);

        $this->fanoutExpiry();

        StoryService::delLatest($story->profile_id);
    }

    protected function rotateMediaPath()
    {
        $story = $this->story;
        $date = date('Y').date('m');
        $old = $story->path;
        $base = "story_archives/{$story->profile_id}/{$date}/";
        $paths = explode('/', $old);
        $path = array_pop($paths);
        $newPath = $base.$path;

        if (Storage::exists($old) == true) {
            $dir = implode('/', $paths);
            Storage::move($old, $newPath);
            $story->bearcap_token = null;
            $story->path = $newPath;
            $story->save();

            // Remove this story's own now-empty leaf dir the media was moved
            // out of (public/_esm.t3/{monthHash}/{userHash}/{random}).
            if (empty(Storage::files($dir))) {
                Storage::deleteDirectory($dir);
            }
        }
    }

    protected function fanoutExpiry()
    {
        $story = $this->story;
        $profile = $story->profile;

        if ($story->local == false || $story->remote_url) {
            return;
        }

        $audience = FollowerService::softwareAudience($story->profile_id, 'pixelfed');

        if (empty($audience)) {
            return;
        }

        $activity = FractalService::item($story, new DeleteStory);

        ActivityPubDeliveryService::pool($profile, $audience, $activity);
    }

    protected function handleRemoteExpiry()
    {
        $story = $this->story;
        $story->active = false;
        $story->save();

        $index = app(StoryIndexService::class);
        $index->removeStory($story->id, $story->profile_id);

        $path = $story->path;

        if ($path && Storage::exists($path) == true) {
            Storage::delete($path);

            // Remove the now-empty leaf dir this story's media lived in.
            $dir = implode('/', array_slice(explode('/', $path), 0, -1));
            if ($dir !== '' && empty(Storage::files($dir))) {
                Storage::deleteDirectory($dir);
            }
        }

        $story->views()->delete();
        $story->delete();
    }
}