feat: Phase 3 - public registration pages and Mailwizz config

app/Http/Controllers/Admin/MailwizzController.php

@@ -5,23 +5,51 @@ 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\Request;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\DB;
+use Illuminate\View\View;
 
 class MailwizzController extends Controller
 {
-    public function edit(PreregistrationPage $page): \Illuminate\View\View
+    public function edit(PreregistrationPage $page): View
     {
+        $this->authorize('update', $page);
+
+        $page->load('mailwizzConfig');
+
         return view('admin.mailwizz.edit', compact('page'));
     }
 
-    public function update(Request $request, PreregistrationPage $page): \Illuminate\Http\RedirectResponse
+    public function update(UpdateMailwizzConfigRequest $request, PreregistrationPage $page): RedirectResponse
     {
-        return redirect()->route('admin.pages.mailwizz.edit', $page);
+        $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): \Illuminate\Http\RedirectResponse
+    public function destroy(PreregistrationPage $page): RedirectResponse
     {
-        return redirect()->route('admin.pages.mailwizz.edit', $page);
+        $this->authorize('update', $page);
+
+        $page->mailwizzConfig()?->delete();
+
+        return redirect()
+            ->route('admin.pages.mailwizz.edit', $page)
+            ->with('status', __('Mailwizz integration removed.'));
     }
 }