some minor change and clean code

app/Listeners/BusinessUserCreateNotif.php

@@ -35,22 +35,34 @@ class BusinessUserCreateNotif
     {
         $payload = $event->message;
         if ($payload->data->original->level === enum('levels.inactive.id')) {
+            // When user level in business is zero, probably user added to business by system
+            // And not necessary send notification to stockholders
             return;
         }
         $new_user = User::findOrFail($payload->data->original->user_id);
         $owners = Business::findOrFail($payload->business)->owners()->where('id', '!=', $new_user->id)->get();
 
-        $notif = [
-          'greeting' => $this->getMessageLine($payload, 'greeting'),
-          'subject' => $this->getMessageLine($payload, 'subject'),
-          'title' => $this->getMessageLine($payload, 'title'),
-          'body' => $this->getMessageLine($payload, 'body', ['business' => request('_business_info')['name'], 'user' => $new_user->name])
-        ];
+        $notif = $this->makeNotif($payload,['business' => request('_business_info')['name'], 'user' => $new_user->name]);
 
         $users = $owners->prepend($new_user);
-        Notification::send($users, new MailNotification($notif));
-        Notification::send($users, new DBNotification($notif));
-        Notification::send($users, new FcmNotification($notif));
+
+        $this->sendNotifications($users, $notif);
+    }
+
+    /**
+     * Make notification object
+     *
+     * @param $payload
+     * @param array $options
+     * @return array
+     */
+    public function makeNotif($payload, $options = []) {
+        return [
+            'greeting' => $this->getMessageLine($payload, 'greeting'),
+            'subject' => $this->getMessageLine($payload, 'subject'),
+            'title' => $this->getMessageLine($payload, 'title'),
+            'body' => $this->getMessageLine($payload, 'body', $options)
+        ];
     }
 
     /**
@@ -66,4 +78,16 @@ class BusinessUserCreateNotif
     {
         return __('notification.'.$payload->data->table_name.'.'.enum('cruds.inverse.'.$payload->data->crud_id.'.singular_name').'.'.$key, $options);
     }
+
+    /**
+     * Call notifications
+     *
+     * @param $users
+     * @param $notif
+     */
+    public function sendNotifications($users, $notif) {
+        Notification::send($users, new MailNotification($notif));
+        Notification::send($users, new DBNotification($notif));
+        Notification::send($users, new FcmNotification($notif));
+    }
 }

app/Listeners/ProjectUserCreateNotif.php

@@ -49,6 +49,13 @@ class ProjectUserCreateNotif
         $this->sendNotifications($users, $notif);
     }
 
+    /**
+     * Make notification object
+     *
+     * @param $payload
+     * @param array $options
+     * @return array
+     */
     public function makeNotif($payload, $options = []) {
         return [
             'greeting' => $this->getMessageLine($payload, 'greeting'),