wip: insurance booking

src/BusProNet/Model/Insurance.php

@@ -91,4 +91,23 @@ class Insurance
      */
     #[Groups(['api:single', 'api:list'])]
     public array $containedInsuranceIds = [];
+
+    public function __toString(): string
+    {
+        return (string) $this->id;
+    }
+
+    /**
+     * Returns the subType, with virtual 'PKG' subType for insurance packages.
+     *
+     * @return string|null The subType (RRV, PAK, OHN, PKG) or null
+     */
+    public function getSubType(): ?string
+    {
+        if (true === $this->package) {
+            return 'PKG'; // Virtual subType for all insurance packages
+        }
+
+        return $this->subType;
+    }
 }