feat: manually create customer access link for offer and update status

addresses #869eea8d7

src/Service/AccommodationBookingService.php

@@ -534,6 +534,22 @@ class AccommodationBookingService
         $this->sendCustomerConfirmationEmail($booking);
     }
 
+    /**
+     * Publishes the offer the same way sendOffer() does — same guard, same transition into
+     * Offen, same issued link — but for staff handing the link to the customer themselves
+     * instead of through the automated mail. No email side effect.
+     */
+    public function generateAccessLink(AccommodationBooking $booking): void
+    {
+        if (!$booking->isDraft() && !$booking->isRequested()) {
+            return;
+        }
+
+        $booking->setStatus(AccommodationBookingStatus::Open);
+        $this->issueAccessLink($booking);
+        $this->entityManager->flush();
+    }
+
     /**
      * Moves a draft to another Gruppenhaus, for the case where the wrong one was picked at
      * creation. The chosen Verpflegung and Zusatzleistungen belong to the old house's catalog —