feat: Phase 4 - Mailwizz integration with subscriber sync and retry

app/Http/Controllers/Admin/SubscriberController.php

@@ -6,7 +6,10 @@ namespace App\Http\Controllers\Admin;
 
 use App\Http\Controllers\Controller;
 use App\Http\Requests\Admin\IndexSubscriberRequest;
+use App\Http\Requests\Admin\QueueMailwizzSyncRequest;
 use App\Models\PreregistrationPage;
+use App\Services\DispatchUnsyncedMailwizzSyncJobsService;
+use Illuminate\Http\RedirectResponse;
 use Illuminate\View\View;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 
@@ -21,7 +24,42 @@ class SubscriberController extends Controller
             ->paginate(25)
             ->withQueryString();
 
-        return view('admin.subscribers.index', compact('page', 'subscribers'));
+        $page->loadMissing('mailwizzConfig');
+        $unsyncedMailwizzCount = $page->mailwizzConfig !== null
+            ? (int) $page->subscribers()->where('synced_to_mailwizz', false)->count()
+            : 0;
+
+        return view('admin.subscribers.index', compact('page', 'subscribers', 'unsyncedMailwizzCount'));
+    }
+
+    public function queueMailwizzSync(
+        QueueMailwizzSyncRequest $request,
+        PreregistrationPage $page,
+        DispatchUnsyncedMailwizzSyncJobsService $dispatcher
+    ): RedirectResponse {
+        $page->loadMissing('mailwizzConfig');
+
+        if ($page->mailwizzConfig === null) {
+            return redirect()
+                ->route('admin.pages.subscribers.index', $page)
+                ->with('error', __('This page has no Mailwizz integration.'));
+        }
+
+        $count = $dispatcher->dispatch($page->id);
+
+        if ($count === 0) {
+            return redirect()
+                ->route('admin.pages.subscribers.index', $page)
+                ->with('status', __('There are no unsynced subscribers to queue for this page.'));
+        }
+
+        return redirect()
+            ->route('admin.pages.subscribers.index', $page)
+            ->with('status', trans_choice(
+                'Queued Mailwizz sync for :count subscriber.|Queued Mailwizz sync for :count subscribers.',
+                $count,
+                ['count' => $count]
+            ));
     }
 
     public function export(IndexSubscriberRequest $request, PreregistrationPage $page): StreamedResponse