wip: finalize implementation

src/BusProNet/Model/Insurance.php

@@ -17,7 +17,7 @@ use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
 class Insurance
 {
     #[Groups(['api:single', 'api:list'])]
-    public string|int|null $id = null;
+    public string|null $id = null;
 
     #[Groups(['api:single', 'api:list'])]
     public ?string $code = null;
@@ -105,11 +105,6 @@ class Insurance
      */
     public array $individualPrice = [];
 
-    public function __toString(): string
-    {
-        return (string) $this->id;
-    }
-
     /**
      * Returns the subType, with virtual 'PKG' subType for insurance packages.
      *

src/BusProNet/Traits/SortByPriceTrait.php

@@ -34,7 +34,7 @@ trait SortByPriceTrait
      */
     protected function sortByPrice(array $items): array
     {
-        usort($items, function (object $a, object $b) {
+        uasort($items, function (object $a, object $b) {
             $priceA = $a->price ?? 0;
             $priceB = $b->price ?? 0;
 

src/BusProNet/XmlParser/InsuranceParser.php

@@ -33,7 +33,6 @@ class InsuranceParser extends AbstractParser
         $individualInsurances = [];
         $xmlContent->filterXPath('//versicherungen/versicherung')
             ->each(function (Crawler $node) use (&$individualInsurances, &$insurances) {
-                $id = (int) $node->attr('idbuspro'); // Individual insurances have int IDs
                 $isComplementary = $this->getBoolAttributeValue($node->attr('zusatzversicherung'));
 
                 // Parse all individual insurances for reference lookup
@@ -110,7 +109,7 @@ class InsuranceParser extends AbstractParser
 
         // Basic identifiers - packages have string IDs with 'P' prefix, individual insurances have int IDs
         $idValue = $node->attr('idbuspro');
-        $insurance->id = $isPackage ? $idValue : (int) $idValue;
+        $insurance->id = $idValue;
         $insurance->code = $node->attr('code');
         $insurance->label = $this->normalizeInsuranceLabel($node->attr('bezeichnung'));
         $insurance->subType = $node->attr('unterart');
@@ -169,7 +168,7 @@ class InsuranceParser extends AbstractParser
             ->each(function (Crawler $packageNode) use (&$referencedIds) {
                 $packageNode->filterXPath('.//enthalteneversicherung')
                     ->each(function (Crawler $refNode) use (&$referencedIds) {
-                        $referencedIds[] = (int) $refNode->attr('idbuspro'); // Referenced insurances are always int IDs
+                        $referencedIds[] = $refNode->attr('idbuspro');
                     });
             });
 
@@ -188,7 +187,7 @@ class InsuranceParser extends AbstractParser
         $ids = [];
         $node->filterXPath('.//enthalteneversicherungen/enthalteneversicherung')
             ->each(function (Crawler $insuranceNode) use (&$ids) {
-                $ids[] = (int) $insuranceNode->attr('idbuspro'); // Individual insurance IDs are always int
+                $ids[] = $insuranceNode->attr('idbuspro'); // Individual insurance IDs are always int
             });
 
         return $ids;