ldc-com-app-bo/database/seeders/ContactSeeder.php

<?php

namespace Database\Seeders;

use App\Models\AppUser;
use App\Models\Contact;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;

class ContactSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run(): void
    {
        DB::table((new Contact())->getTable())->truncate();
        $appUsers = AppUser::all();
        if (!$appUsers->count()) {
            $this->run(AppUser::class);
            $appUsers = AppUser::all();
        }
        Contact::factory(30)->make()->each(function (Contact $contact) use ($appUsers) {
            $contact->appUser()->associate($appUsers->random());
            $contact->saveOrFail();
        });
    }
}