wip: booking process

src/BusProNet/XmlParser/ServicesParser.php

@@ -2,6 +2,7 @@
 
 namespace App\BusProNet\XmlParser;
 
+use App\BusProNet\Constants;
 use App\BusProNet\Model\Service;
 use Symfony\Component\DomCrawler\Crawler;
 
@@ -30,7 +31,7 @@ class ServicesParser extends AbstractParser
                 }, $this->stringToArray($node->attr('einzelpreis', ''), '/')
             );
             $service->individualPrice = array_combine($mapping, $individualPrices);
-            if (Service::CATEGORY_TRANSPORTATION === $category) {
+            if (Constants::CATEGORY_TRANSPORTATION === $category) {
                 $service->direction = $node->attr('richtung');
             }