feat: split booking between participants and applicant

addresses #869f2q1vu

tests/Service/ParticipantFormSupportTest.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Tests\Service;
 
 use App\BusProNet\Model\Booking;
+use App\BusProNet\Model\Insurance;
 use App\BusProNet\Model\Travel;
 use App\Exception\ParticipantNotFoundException;
 use App\Form\Model\BookingDto;
@@ -80,8 +81,53 @@ class ParticipantFormSupportTest extends TestCase
     }
 
     /**
-     * array<string, int>|null $bodyDimensionRanges
+     * array<string, int>|null $bodyDimensionRanges.
      */
+    public function testBlankTravellerKeepsTheRoomAssignmentAndDropsTheRest(): void
+    {
+        $previous = new ParticipantDto();
+        $previous->index = 0;
+        $previous->assignedRoomId = 4711;
+        $previous->firstName = 'Elternteil';
+        $previous->email = '[email protected]';
+        $previous->dateOfBirth = new \DateTimeImmutable('1981-03-16');
+
+        $traveller = $this->createService()->createBlankTravellerFrom($previous);
+
+        $this->assertSame(0, $traveller->index);
+        $this->assertSame(4711, $traveller->assignedRoomId);
+        $this->assertNull($traveller->firstName);
+        $this->assertNull($traveller->email);
+        $this->assertNull(
+            $traveller->dateOfBirth,
+            'The services were derived from an age that no longer applies to this slot'
+        );
+    }
+
+    public function testClearFamilyInsuranceRemovesOnlyFamilyPolicies(): void
+    {
+        $bookingDto = $this->createBookingDto();
+
+        $familyInsurance = new Insurance();
+        $familyInsurance->familyInsurance = true;
+        $bookingDto->participants[0]->insurance = $familyInsurance;
+        $bookingDto->participants[0]->bulkInsuranceBooking = true;
+
+        $ordinaryInsurance = new Insurance();
+        $ordinaryInsurance->familyInsurance = false;
+        $bookingDto->participants[1]->insurance = $ordinaryInsurance;
+
+        $this->createService()->clearFamilyInsurance($bookingDto);
+
+        $this->assertNull($bookingDto->participants[0]->insurance);
+        $this->assertFalse($bookingDto->participants[0]->bulkInsuranceBooking);
+        $this->assertSame(
+            $ordinaryInsurance,
+            $bookingDto->participants[1]->insurance,
+            'Only the family policy goes; an ordinary one is still valid on a split booking'
+        );
+    }
+
     private function createService(?array $bodyDimensionRanges = null): ParticipantFormSupport
     {
         $bodyDimensionRanges ??= [