preregister/app/Http/Controllers/Admin/MailwizzController.php

<?php

declare(strict_types=1);

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\UpdateMailwizzConfigRequest;
use App\Models\PreregistrationPage;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\View\View;

class MailwizzController extends Controller
{
    public function edit(Request $request, PreregistrationPage $page): View|RedirectResponse
    {
        $this->authorize('update', $page);

        $page->load(['mailwizzConfig', 'weeztixConfig']);

        $config = $page->mailwizzConfig;
        $showWizard = $config === null || $request->boolean('wizard');
        if ($showWizard && $config === null) {
            $requestedStep = min(4, max(1, (int) $request->query('step', 1)));
            if ($requestedStep !== 1) {
                return redirect()
                    ->route('admin.pages.mailwizz.edit', ['page' => $page, 'wizard' => 1, 'step' => 1]);
            }
        }

        return view('admin.mailwizz.edit', compact('page', 'showWizard'));
    }

    public function update(UpdateMailwizzConfigRequest $request, PreregistrationPage $page): RedirectResponse
    {
        $validated = $request->validated();

        if (($validated['api_key'] ?? '') === '' && $page->mailwizzConfig !== null) {
            unset($validated['api_key']);
        }

        DB::transaction(function () use ($page, $validated): void {
            $page->mailwizzConfig()->updateOrCreate(
                ['preregistration_page_id' => $page->id],
                array_merge($validated, ['preregistration_page_id' => $page->id])
            );
        });

        return redirect()
            ->route('admin.pages.mailwizz.edit', $page)
            ->with('status', __('Mailwizz configuration saved.'));
    }

    public function destroy(PreregistrationPage $page): RedirectResponse
    {
        $this->authorize('update', $page);

        $page->mailwizzConfig()?->delete();

        return redirect()
            ->route('admin.pages.mailwizz.edit', $page)
            ->with('status', __('Mailwizz integration removed.'));
    }
}