ladill-link/app/Http/Controllers/Link/SettingsController.php

<?php

namespace App\Http\Controllers\Link;

use App\Http\Controllers\Controller;
use App\Models\LinkCustomDomain;
use App\Models\LinkWallet;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SettingsController extends Controller
{
    public function index(Request $request): View
    {
        $account = ladill_account();

        return view('links.settings.index', [
            'pricePerLink' => LinkWallet::pricePerLink(),
            'defaultDomain' => $account->defaultLinkDomain(),
            'publicDomain' => (string) config('link.public_domain', 'ladl.link'),
            'customDomains' => $account->linkCustomDomains()->latest()->get(),
        ]);
    }

    public function updateDefaultDomain(Request $request): RedirectResponse
    {
        $account = ladill_account();
        $validated = $request->validate([
            'domain' => ['required', 'string', 'max:255'],
        ]);

        if ($validated['domain'] === 'platform') {
            LinkCustomDomain::where('user_id', $account->id)->update(['is_default' => false]);

            return back()->with('success', 'Default short-link domain set to ladl.link.');
        }

        $domain = LinkCustomDomain::query()
            ->where('user_id', $account->id)
            ->where('id', $validated['domain'])
            ->firstOrFail();

        abort_unless($domain->isLive(), 422);

        LinkCustomDomain::where('user_id', $account->id)->update(['is_default' => false]);
        $domain->forceFill(['is_default' => true])->save();

        return back()->with('success', 'Default short-link domain updated.');
    }
}