fix: only assign dummy data to the applicant

src/BusProNet/DataProcessor/PersonalDataSynchronizer.php

@@ -23,8 +23,9 @@ class PersonalDataSynchronizer
      * Processes all active participants (status 'F' or 'A'). Skips canceled participants (status 'S').
      * Updates all personal data fields and communication information.
      *
-     * For the applicant (index 0), missing mandatory fields are filled with defaults
+     * Also fills missing mandatory fields on the applicant object for company bookings
-     * to handle company applicants created by travel agencies.
+     * created by travel agencies. The applicant is separate from participant 0 and may
+     * contain only company data without personal fields required by the BPN API.
      *
      * IMPORTANT: The applicant's address must never be modified. This method updates
      * participant addresses independently to ensure applicant data remains intact.
@@ -34,17 +35,16 @@ class PersonalDataSynchronizer
      */
     public function updateParticipantPersonalData(array $participants, Booking $bookingData): void
     {
+        // Fill missing mandatory fields on applicant (for company bookings by travel agencies)
+        // This is separate from participants - applicant may be a company while participants are real people
+        $this->fillMissingApplicantFields($bookingData);
+
         foreach ($participants as $participant) {
             // Skip canceled participants (status 'S')
             if ('S' === $participant->status) {
                 continue;
             }
 
-            // Fill missing mandatory fields for applicant (company bookings by travel agencies)
-            if (0 === $participant->index) {
-                $this->fillMissingMandatoryFields($participant);
-            }
-
             $bookingData->participants[$participant->index]->firstName = $participant->firstName;
             $bookingData->participants[$participant->index]->name = $participant->lastName;
             $bookingData->participants[$participant->index]->dateOfBirth = $participant->dateOfBirth;
@@ -78,32 +78,43 @@ class PersonalDataSynchronizer
     }
 
     /**
-     * Fills missing mandatory fields with defaults for company applicants.
+     * Fills missing mandatory fields on the applicant for company bookings.
      *
      * Travel agencies often create bookings with company data as the applicant,
      * which lacks personal data fields. These fields are mandatory for the BPN
-     * API, so we fill them with sensible defaults.
+     * API, so we fill them with sensible defaults. The applicant is separate from
+     * participants - participant 0 is a real person and must not be modified here.
      */
-    private function fillMissingMandatoryFields(ParticipantDto $participant): void
+    private function fillMissingApplicantFields(Booking $bookingData): void
     {
-        if (null === $participant->firstName || '' === $participant->firstName) {
+        if (null === $bookingData->applicant) {
-            $participant->firstName = 'Anmelder';
+            return;
         }
 
-        if (null === $participant->gender || '' === $participant->gender) {
+        $applicant = $bookingData->applicant;
-            $participant->gender = 'D';
+
+        if (null === $applicant->firstName || '' === $applicant->firstName) {
+            $applicant->firstName = 'Anmelder';
         }
 
-        if (null === $participant->nationality || '' === $participant->nationality) {
+        if (null === $applicant->gender || '' === $applicant->gender) {
-            $participant->nationality = 'D';
+            $applicant->gender = 'D';
         }
 
-        if (null === $participant->dateOfBirth) {
+        if (null === $applicant->nationality || '' === $applicant->nationality) {
-            $participant->dateOfBirth = new \DateTimeImmutable('-20 years');
+            $applicant->nationality = 'D';
         }
 
-        if (null === $participant->mobile || '' === $participant->mobile) {
+        if (null === $applicant->dateOfBirth) {
-            $participant->mobile = '12345';
+            $applicant->dateOfBirth = new \DateTimeImmutable('-20 years');
+        }
+
+        if (null === $applicant->communication) {
+            $applicant->communication = new Communication();
+        }
+
+        if (null === $applicant->communication->mobile || '' === $applicant->communication->mobile) {
+            $applicant->communication->mobile = '12345';
         }
     }
 }