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myep/src/Form/Service/Abstract/AbstractFieldOptionsProvider.php
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2025-07-25 16:53:48 +02:00

92 lines
3.4 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Form\Service\Abstract;
use App\Form\Model\BookingDtoInterface;
use App\Form\Service\Contract\FieldOptionsProviderInterface;
/**
* Abstract base class for field options providers.
*
* This class contains common field options generation logic shared between
* different field options provider implementations. It provides the core
* functionality for managing field option providers and generating dynamic
* field configurations.
*/
abstract class AbstractFieldOptionsProvider implements FieldOptionsProviderInterface
{
/** @var array<string, callable> Field option providers indexed by field name */
protected array $fieldOptionProviders = [];
public function __construct()
{
$this->registerFieldOptionProviders();
}
/**
* Retrieves form field options for a specified dynamic field.
*
* This method looks up the appropriate option provider for the field
* and executes it with the current booking and participant context to
* generate dynamic field options.
*
* The returned array contains Symfony form field options that will be
* used when building the form field. These options are merged with any
* static options defined in the form type.
*
* @param string $fieldName The name of the field to configure
* @param BookingDtoInterface $bookingDto The current booking data for context (create or edit)
* @param int $participantIndex The index of the participant being configured
*
* @return array<string, mixed> Symfony form field options, or empty array if field not supported
*/
public function getFieldOptions(string $fieldName, BookingDtoInterface $bookingDto, int $participantIndex): array
{
// Check if we have a provider for this field
if (!isset($this->fieldOptionProviders[$fieldName])) {
return [];
}
// Execute the provider with current context to generate dynamic options
return $this->fieldOptionProviders[$fieldName]($bookingDto, $participantIndex);
}
/**
* Checks whether a field has option provider support.
*
* This method allows form builders to determine if a field can be
* dynamically configured by this service. It's useful for deciding
* whether to use static field options or dynamic configuration.
*
* @param string $fieldName The name of the field to check
*
* @return bool True if the field has registered option providers, false otherwise
*/
public function hasFieldOptions(string $fieldName): bool
{
return isset($this->fieldOptionProviders[$fieldName]);
}
/**
* Registers field option providers during service initialization.
*
* This method must be implemented by concrete classes to define their
* specific field option providers. Each provider is a callable that
* receives the booking DTO and participant index and returns appropriate
* Symfony form field options.
*
* Example implementation:
*
* protected function registerFieldOptionProviders(): void
* {
* $this->fieldOptionProviders['fieldName'] = fn($bookingDto, $participantIndex) => [
* 'label' => 'Field Label',
* 'choices' => $this->generateChoicesFor($bookingDto, $participantIndex),
* ];
* }
*/
abstract protected function registerFieldOptionProviders(): void;
}