482 lines
20 KiB
PHP
482 lines
20 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Form\Service;
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use App\BusProNet\Constants;
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use App\BusProNet\Model\Pickup;
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use App\BusProNet\Model\Service;
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use App\BusProNet\Utility\DirectionMapper;
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use App\Form\Model\BookingCreateDto;
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use App\Form\Model\BookingDtoInterface;
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use App\Form\Service\Abstract\AbstractFieldOptionsProvider;
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use App\Form\Service\Factory\ParticipantRoomChoiceLoaderFactory;
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use App\Service\ServiceAvailabilityCalculator;
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/**
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* Provides dynamic field options for participant form fields.
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*
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* This service generates context-aware Symfony form field options for
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* dynamic fields in the participant form system. It handles fields that
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* require options to be calculated based on the current booking context,
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* participant data, and business logic.
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*
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* Key Responsibilities:
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* - Manages field option providers for dynamic fields
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* - Provides context-aware field configurations
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* - Handles interdependent field relationships
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* - Supports extensible field option generation
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*
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* The provider uses a callable pattern for field options, enabling
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* lazy evaluation and complex conditional field behavior.
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*/
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class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
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{
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/**
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* Initializes the provider with required dependencies.
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*
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* The provider automatically registers all field option providers during
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* construction to ensure they're available for form building. This approach
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* keeps all field configuration logic centralized and makes it easy to add
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* new dynamic fields.
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*
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* @param ParticipantRoomChoiceLoaderFactory $roomChoiceLoaderFactory Factory for creating room choice loaders
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* @param ServiceAvailabilityCalculator $serviceAvailabilityCalculator Service for calculating dynamic availability
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*/
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public function __construct(
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private readonly ParticipantRoomChoiceLoaderFactory $roomChoiceLoaderFactory,
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private readonly ServiceAvailabilityCalculator $serviceAvailabilityCalculator,
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) {
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parent::__construct();
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}
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/**
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* Registers all field option providers during service initialization.
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*
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* This method defines the option generation logic for each supported dynamic field.
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* Each provider is a callable that receives the booking DTO and participant
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* index and returns appropriate Symfony form field options.
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*
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* Adding new fields:
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* To add support for a new dynamic field, simply add a new provider here:
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*
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* $this->fieldOptionProviders['newField'] = fn($bookingDto, $participantIndex) => [
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* 'label' => 'New Field Label',
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* 'choices' => $this->generateChoicesFor($bookingDto, $participantIndex),
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* ];
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*
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* Provider Pattern Benefits:
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* - Lazy evaluation (options only generated when needed)
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* - Context-aware configuration
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* - Easy to test individual field logic
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* - Supports complex interdependencies
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*/
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protected function registerFieldOptionProviders(): void
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{
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// Room assignment field provider (only available for create workflow)
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$this->fieldOptionProviders['assignedRoomId'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Zimmer',
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'placeholder' => 'Bitte wählen',
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// Use factory to create context-aware choice loader that:
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// - Shows only available rooms for this participant
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// - Excludes rooms already assigned to other participants
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// - Respects room capacity and booking constraints
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'choice_loader' => $bookingDto instanceof BookingCreateDto
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? $this->roomChoiceLoaderFactory->create(
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$bookingDto->participants,
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$bookingDto->getSelectedRooms(),
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$participantIndex
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)
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: null,
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];
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// Courses field provider - provides age-appropriate courses from travel data
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$this->fieldOptionProviders['courses'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Kurse',
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'multiple' => true,
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'expanded' => true,
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'required' => false,
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'choices' => $this->filterServicesByAvailability(
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$this->filterServicesByAgeConstraints(
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$bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_COURSES),
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$bookingDto,
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$participantIndex
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),
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$bookingDto,
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$participantIndex
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),
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'choice_value' => 'id',
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'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
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];
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// Additional services field provider - provides age-appropriate additional services with mandatory pre-selection
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$this->fieldOptionProviders['additionalServices'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Zusatzleistungen',
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'multiple' => true,
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'expanded' => true,
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'required' => false,
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'choices' => $this->filterServicesByAvailability(
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$this->filterServicesByAgeConstraints(
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$bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_ADDITIONAL),
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$bookingDto,
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$participantIndex
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),
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$bookingDto,
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$participantIndex
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),
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'choice_value' => 'id',
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'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
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'choice_attr' => function (?Service $service) {
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if (null === $service) {
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return [];
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}
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$attributes = [];
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// Pre-select and make readonly for mandatory services
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if (true === $service->mandatory) {
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$attributes['checked'] = true;
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$attributes['readonly'] = true;
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$attributes['class'] = 'text-pink';
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$attributes['title'] = 'Diese Leistung ist nicht abwählbar';
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}
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return $attributes;
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},
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];
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// Board field provider - provides age-appropriate board options from travel data
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$this->fieldOptionProviders['board'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Verpflegung',
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'multiple' => true,
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'expanded' => true,
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'required' => false,
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'choices' => $this->filterServicesByAvailability(
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$this->filterServicesByAgeConstraints(
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$bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_BOARD),
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$bookingDto,
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$participantIndex
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),
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$bookingDto,
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$participantIndex
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),
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'choice_value' => 'id',
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'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
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];
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// Rentals field provider - provides age-appropriate rental options from travel data filtered by date range
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$this->fieldOptionProviders['rentals'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Leihmaterial',
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'multiple' => true,
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'expanded' => true,
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'required' => false,
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'choices' => $this->filterServicesByAvailability(
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$this->filterServicesByAgeConstraints(
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$bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_RENTALS, true, true),
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$bookingDto,
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$participantIndex
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),
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$bookingDto,
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$participantIndex
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),
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'choice_value' => 'id',
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'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
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];
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// Skipass field provider - provides age-appropriate skipass options from travel data filtered by date range
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$this->fieldOptionProviders['skiPass'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Skipass',
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'multiple' => false,
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'expanded' => true,
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'required' => true,
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'choices' => $this->filterServicesByAvailability(
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$this->filterServicesByAgeConstraints(
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$bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_SKI_PASS, true, true),
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$bookingDto,
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$participantIndex
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),
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$bookingDto,
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$participantIndex
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),
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'choice_value' => 'id',
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'choice_label' => fn (?Service $service) => $this->formatServiceLabelWithPrice($service),
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];
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// Room remarks field provider - provides textarea for room-specific remarks (only for 'mbz' rooms)
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$this->fieldOptionProviders['remarksRoom'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Wünsche oder Anmerkungen zum Zimmer',
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'required' => false,
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'clean_xss' => true,
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'attr' => [
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'rows' => 2,
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],
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];
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// Transportation field providers - handles outbound/inbound transportation and pickup selection
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// Outbound Transportation
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$this->fieldOptionProviders['transportationOutbound'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Hinfahrt',
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'choices' => $this->filterServicesByAvailability(
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$bookingDto->travel->getTransportationServicesByDirection(DirectionMapper::OUTBOUND_TRAVEL),
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$bookingDto,
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$participantIndex
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),
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'choice_label' => fn (Service $service) => $this->formatTransportationServiceLabel($service),
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'choice_value' => 'id',
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'expanded' => true,
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'multiple' => false,
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'required' => true,
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'attr' => [
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'hx-post' => '#', // Will be configured when HTMX integration is implemented
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'hx-target' => '#booking-summary',
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'hx-trigger' => 'change',
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],
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];
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// Inbound Transportation
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$this->fieldOptionProviders['transportationInbound'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Rückfahrt',
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'choices' => $this->filterServicesByAvailability(
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$bookingDto->travel->getTransportationServicesByDirection(DirectionMapper::INBOUND_TRAVEL),
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$bookingDto,
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$participantIndex
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),
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'choice_label' => fn (Service $service) => $this->formatTransportationServiceLabel($service),
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'choice_value' => 'id',
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'expanded' => true,
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'multiple' => false,
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'required' => true,
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'attr' => [
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'hx-post' => '#', // Will be configured when HTMX integration is implemented
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'hx-target' => '#booking-summary',
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'hx-trigger' => 'change',
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],
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];
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// Outbound Pickup (conditional - only shown when outbound transportation is bus)
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$this->fieldOptionProviders['pickupOutbound'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Zustieg Hinfahrt',
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'choices' => $bookingDto->travel->pickupsTo,
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'choice_label' => fn (?Pickup $pickup) => $this->formatPickupLabelWithPrice($pickup),
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'choice_value' => 'id',
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'expanded' => false, // Dropdown for pickups
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'multiple' => false,
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'required' => true,
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'placeholder' => 'Zustieg auswählen',
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];
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// Inbound Pickup (conditional - only shown when inbound transportation is bus)
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$this->fieldOptionProviders['pickupInbound'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => 'Ausstieg Rückfahrt',
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'choices' => $bookingDto->travel->pickupsFro,
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'choice_label' => fn (?Pickup $pickup) => $this->formatPickupLabelWithPrice($pickup),
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'choice_value' => 'id',
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'expanded' => false,
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'multiple' => false,
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'required' => true,
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'placeholder' => 'Ausstieg auswählen',
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];
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// Parking (conditional - only shown when outbound transportation is PKW)
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// Simple checkbox since there's only ever one parking type
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$this->fieldOptionProviders['parking'] = fn (BookingDtoInterface $bookingDto, int $participantIndex, array $options = []) => [
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'label' => $this->getParkingCheckboxLabel($bookingDto->travel->getAdditionalServicesBySubTypes(Constants::TOKEN_PARKING, true)),
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'required' => false,
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];
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// Future field providers would be added here, for example:
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//
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// $this->fieldOptionProviders['mealPreference'] = fn($bookingDto, $participantIndex) => [
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// 'label' => 'Meal Preference',
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// 'choices' => [
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// 'Standard' => 'standard',
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// 'Vegetarian' => 'vegetarian',
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// 'Vegan' => 'vegan',
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// ],
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// ];
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}
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/**
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* Formats service label with pricing information.
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*
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* @param Service|null $service The service to format
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*
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* @return string The formatted label
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*/
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private function formatServiceLabelWithPrice(?Service $service): string
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{
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if (null === $service) {
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return '';
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}
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if (null === $service->price || 0.0 === $service->price) {
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return $service->label;
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}
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if ($service->price < 0) {
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// Negative prices are discounts
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return sprintf('%s (-%s€ Rabatt)', $service->label, number_format(abs($service->price), 2, ',', '.'));
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}
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return sprintf('%s (€%s)', $service->label, number_format($service->price, 2, ',', '.'));
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}
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/**
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* Format transportation service labels with type indicator and pricing.
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*
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* Creates user-friendly labels for transportation services that include:
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* - Transportation type icon (🚌 for bus, 🚗 for car)
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* - Service name
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* - Pricing (with discount indication for negative prices)
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* - Availability warning for limited services
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*
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* @param Service $service The transportation service to format
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*
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* @return string The formatted transportation service label
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*/
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private function formatTransportationServiceLabel(Service $service): string
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{
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$label = $service->label;
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// Transportation type indicators removed for cleaner labels
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// Add pricing with discount indication
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if (null !== $service->price) {
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if ($service->price > 0) {
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$label .= sprintf(' (+€%.2f)', $service->price);
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} elseif ($service->price < 0) {
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$label .= sprintf(' (-€%.2f Discount)', abs($service->price));
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}
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}
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// Add availability warning if limited
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if (null !== $service->available && $service->available <= 5) {
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$label .= sprintf(' (nur %d verfügbar)', $service->available);
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}
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return $label;
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}
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/**
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* Format pickup labels with city and street information.
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*
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* Creates user-friendly labels for pickup locations following the existing pattern:
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* - Primary format: "City (Street)" if street is available
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* - Fallback format: "City" if no street information
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*
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* @param Pickup $pickup The pickup location to format
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*
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* @return string The formatted pickup location label
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*/
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private function formatPickupLabel(Pickup $pickup): string
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{
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$label = $pickup->city ?? '';
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if (null !== $pickup->street && '' !== trim($pickup->street)) {
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$label .= ' ('.$pickup->street.')';
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}
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return $label;
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}
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private function formatPickupLabelWithPrice(?Pickup $pickup): string
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{
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if (null === $pickup) {
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return '';
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}
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$label = $this->formatPickupLabel($pickup);
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if (null === $pickup->price || 0.0 === $pickup->price) {
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return $label;
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}
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if ($pickup->price < 0) {
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// Negative prices are discounts
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return sprintf('%s (-%s€ Rabatt)', $label, number_format(abs($pickup->price), 2, ',', '.'));
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}
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return sprintf('%s (€%s)', $label, number_format($pickup->price, 2, ',', '.'));
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}
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/**
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* Gets the parking checkbox label with pricing information.
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*
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* Creates a checkbox label for the single parking service including pricing.
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* Since there's only ever one parking type, we take the first available service.
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*
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* @param array $parkingServices Array of available parking services
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*
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* @return string The formatted checkbox label with pricing
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*/
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private function getParkingCheckboxLabel(array $parkingServices): string
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{
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if (empty($parkingServices)) {
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return 'Parkplatz';
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}
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$parkingService = reset($parkingServices); // Get the first (and only) parking service
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return $this->formatServiceLabelWithPrice($parkingService);
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}
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/**
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* Filters services based on remaining availability in the current booking session.
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*
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* Removes services that have been fully booked by other participants in
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* the current booking session. This prevents overbooking within a single
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* booking workflow while maintaining accurate availability counts.
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*
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* @param array $services Array of Service objects to filter
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* @param BookingDtoInterface $bookingDto The booking DTO containing participant data
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* @param int $participantIndex Index of the participant currently selecting services
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*
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* @return array Filtered array containing only services with remaining availability
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*/
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private function filterServicesByAvailability(array $services, BookingDtoInterface $bookingDto, int $participantIndex): array
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{
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if (!$bookingDto instanceof BookingCreateDto) {
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// For non-create workflows, return all services (no availability tracking needed)
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return $services;
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}
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return $this->serviceAvailabilityCalculator->filterAvailableServices($services, $bookingDto, $participantIndex);
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}
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/**
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* Filters services based on participant's age constraints.
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*
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* Removes services that have age restrictions the participant doesn't meet.
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* If no age evaluator is configured or participant has no birth date,
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* returns empty array to be handled by field visibility conditions.
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*
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* @param array $services Array of Service objects to filter
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* @param BookingDtoInterface $bookingDto The booking DTO containing participant data
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* @param int $participantIndex Index of the participant to evaluate
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*
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* @return array Filtered array of available services
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*/
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private function filterServicesByAgeConstraints(array $services, BookingDtoInterface $bookingDto, int $participantIndex): array
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{
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$ageEvaluator = new ServiceAgeEvaluator();
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$participant = $bookingDto->getParticipant($participantIndex);
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// If no birthdate provided, return empty array (handled by field visibility conditions)
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if (null === $participant || null === $participant->dateOfBirth) {
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return [];
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}
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return array_filter($services, function (Service $service) use ($bookingDto, $participantIndex, $ageEvaluator) {
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// No age constraints = available to all
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if (false === $ageEvaluator->canEvaluate($service)) {
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return true;
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}
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return $ageEvaluator->isServiceAvailableForParticipant($service, $bookingDto, $participantIndex);
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});
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}
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}
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