Mapper.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Socialnetwork\Control\Mapper;
 
use BackedEnum;
use Bitrix\Socialnetwork\Control\Command\AbstractCommand;
use Bitrix\Socialnetwork\Control\Mapper\Attribute\Map;
use Bitrix\Socialnetwork\ValueObjectInterface;
use ReflectionAttribute;
use ReflectionClass;
use ReflectionProperty;
 
class Mapper
{
    public function toArray(AbstractCommand $command): array
    {
        $data = [];
        $reflection = new ReflectionClass($command);
        $properties = $reflection->getProperties();
 
        foreach ($properties as $property)
        {
            if (!$property->isInitialized($command))
            {
                continue;
            }
 
            $value = $property->getValue($command);
 
            if ($value instanceof ValueObjectInterface)
            {
                $value = $value->getValue();
            }
            elseif ($value instanceof BackedEnum)
            {
                $value = $value->value;
            }
 
            $mappers = $this->getFieldMappers($property);
 
            foreach ($mappers as $mapper)
            {
                [$fieldName, $fieldValue] = $mapper->getNameAndValue($value);
 
                if ($fieldValue === null)
                {
                    continue;
                }
 
                if (!isset($data[$fieldName]))
                {
                    $data[$fieldName] = $fieldValue;
                }
            }
        }
 
        return $data;
    }

    protected function getFieldMappers(ReflectionProperty $property): array
    {
        $result = [];
 
        $attributes = $property->getAttributes(Map::class, ReflectionAttribute::IS_INSTANCEOF);
 
        foreach ($attributes as $attributeReflection)
        {
            $result[] = $attributeReflection->newInstance();
        }
 
        return $result;
    }
}