wip: continue implementation

src/BusProNet/Model/Service.php

@@ -4,6 +4,9 @@ namespace App\BusProNet\Model;
 
 class Service
 {
+    public const SOURCE_TRAVEL = 'travel';
+    public const SOURCE_BOOKING = 'booking';
+
     public const CATEGORY_ADDITIONAL = 'additional';
     public const CATEGORY_TRANSPORTATION = 'transportation';
 
@@ -14,6 +17,7 @@ class Service
     public const TOKEN_RENTALS = ['VER', 'VE2', 'VE3', 'VE4', 'VE5', 'VE6', 'VE7', 'VE8'];
 
     public ?int $id = null;
+    public ?string $source = null;
     public ?string $category = null;
     public ?string $status  = null;
     public bool $mandatory = false;