complete story 8.10 with qa test

app/Services/AdminNotificationService.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Services;
+
+use App\Contracts\ShouldNotifyAdmin;
+use App\Notifications\SystemErrorNotification;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Notification;
+use Throwable;
+
+class AdminNotificationService
+{
+    public function notifyError(Throwable $exception): void
+    {
+        if (! config('libra.notifications.system_notifications_enabled')) {
+            return;
+        }
+
+        $adminEmail = config('libra.notifications.admin_email');
+
+        if (empty($adminEmail)) {
+            return;
+        }
+
+        $errorKey = $this->getErrorKey($exception);
+        $throttleMinutes = config('libra.notifications.throttle_minutes', 15);
+
+        if (Cache::has($errorKey)) {
+            return;
+        }
+
+        Cache::put($errorKey, true, now()->addMinutes($throttleMinutes));
+
+        Notification::route('mail', $adminEmail)
+            ->notifyNow(new SystemErrorNotification($exception));
+    }
+
+    protected function getErrorKey(Throwable $exception): string
+    {
+        return 'admin_notified:'.md5(get_class($exception).$exception->getMessage());
+    }
+
+    public function shouldNotifyAdmin(Throwable $exception): bool
+    {
+        if ($exception instanceof ShouldNotifyAdmin) {
+            return true;
+        }
+
+        $excludedTypes = [
+            \Illuminate\Validation\ValidationException::class,
+            \Illuminate\Auth\AuthenticationException::class,
+            \Illuminate\Auth\Access\AuthorizationException::class,
+            \Illuminate\Database\Eloquent\ModelNotFoundException::class,
+            \Symfony\Component\HttpKernel\Exception\NotFoundHttpException::class,
+            \Illuminate\Session\TokenMismatchException::class,
+        ];
+
+        foreach ($excludedTypes as $type) {
+            if ($exception instanceof $type) {
+                return false;
+            }
+        }
+
+        if ($exception instanceof \Illuminate\Database\QueryException) {
+            return $this->isCriticalDatabaseError($exception);
+        }
+
+        if ($exception instanceof \Symfony\Component\Mailer\Exception\TransportExceptionInterface) {
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function isCriticalDatabaseError(\Illuminate\Database\QueryException $e): bool
+    {
+        $criticalCodes = ['2002', '1045', '1049'];
+
+        return in_array($e->getCode(), $criticalCodes);
+    }
+}