Atomcms-edit/app/Services/InstallationService.php

<?php

declare(strict_types=1);

namespace App\Services;

use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Throwable;

readonly class InstallationService
{
    private const string CACHE_KEY = 'app_installed';

    public static function isComplete(): bool
    {
        if (Cache::has(self::CACHE_KEY)) {
            return true;
        }

        try {
            if (! Schema::hasTable('website_installation')) {
                return false;
            }

            $installation = DB::table('website_installation')->first();
            $isComplete = $installation !== null && (bool) $installation->completed;

            if ($isComplete) {
                Cache::rememberForever(self::CACHE_KEY, fn (): bool => true);
            }

            return $isComplete;
        } catch (Throwable) {
            return false;
        }
    }

    public static function setComplete(): void
    {
        Cache::rememberForever(self::CACHE_KEY, fn (): bool => true);
    }

    public static function clearCache(): void
    {
        Cache::forget(self::CACHE_KEY);
    }
}