tighten/novapackages

use App\Notifications\NotifyAuthorOfUnavailablePackageUrl;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

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

    public function handle()
    {
        if ($this->package->author && $this->package->authorIsUser()) {
            $this->package->author->user->notify(new NotifyAuthorOfUnavailablePackageUrl($this->package));
        }
    }
}

use App\Jobs\CheckPackageUrlsForAvailability as CheckPackageUrlsJob;
use App\Package;
use Illuminate\Console\Command;

class CheckPackageUrls extends Command
{
    public function handle()
    {
        $validPackages = Package::whereNull('marked_as_unavailable_at')
            ->with('author')
            ->get();

        foreach ($validPackages as $package) {
            dispatch(new CheckPackageUrlsJob($package));
        }
    }
}