remove redundnant property exists, convert custom model test to enum

Author: eugenefvdm

src/Notifications/BaseNotification.php

@@ -73,7 +73,7 @@ public function getSubscriptionFromNotifiable(object $notifiable): ?Notification
             ->where('notification_template_id', self::getTemplate()->id);
 
         // If this notification is for a specific model, include it in the query
-        if (property_exists($this, 'customModel') && $this->customModel) {
+        if ($this->customModel) {
             $query->where('notifiable_type', get_class($this->customModel))
                 ->where('notifiable_id', $this->customModel->id);
         }

tests/TestNotifications/CustomModelNotification.php

@@ -2,6 +2,7 @@
 
 namespace Eugenefvdm\NotificationSubscriptions\Tests\TestNotifications;
 
+use Eugenefvdm\NotificationSubscriptions\Enums\RepeatFrequency;
 use Eugenefvdm\NotificationSubscriptions\Notifications\BaseNotification;
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
@@ -12,7 +13,7 @@ class CustomModelNotification extends BaseNotification
 {
     use Queueable;
 
-    protected static ?string $repeatFrequency = 'weekly';
+    protected static ?RepeatFrequency $repeatFrequency = RepeatFrequency::Weekly;
 
     public ?Model $customModel;