internship-playground/src-php/app/internship/controller/process/ArticleInProcess.php

<?php
namespace internship\controller\process;

use n2n\util\type\attrs\DataMap;
use n2n\web\http\controller\impl\ControllingUtils;
use n2n\web\http\controller\impl\HttpData;
use n2n\web\http\controller\impl\ExecResult;
use n2n\bind\build\impl\Bind;
use n2n\bind\mapper\impl\Mappers;
use n2n\validation\validator\impl\Validators;
use internship\bo\Article;
use internship\bo\CategoryName;

class ArticleInProcess {
	private DataMap $dataMap;
	public function __construct(private ControllingUtils $cu) {

	}

	/**
	 * @param HttpData $httpData
	 * @return ExecResult
	 */
	function in(HttpData $httpData, ?Article $article = null): ExecResult {
		$this->dataMap = new DataMap();

		$mustExist = $article  === null;
		return $this->cu->exec(Bind::attrs($httpData)->toAttrs($this->dataMap)
				->dynProp('categoryName', $mustExist, Mappers::cleanString(true), Validators::enum(
						['international', 'national', 'sport']))
				->dynProp('text', $mustExist, Mappers::cleanString(true, maxlength: 9999) )
				->dynProp('title', $mustExist, Mappers::cleanString(true, minlength: 3, maxlength: 255)));
	}

	function out(Article $article): Article {
		$this->cu->exec(Bind::attrs($this->dataMap)->toObj($article)
				->optProp('categoryName',
						Validators::enum(['international', 'national', 'sport']),
						Mappers::valueClosure(function ($categoryNameStr)  {
							return CategoryName::tryFrom($categoryNameStr);
						}))
				->optProp('text', Mappers::cleanString(true, maxlength: 9999) )
				->optProp('title', Mappers::cleanString(true, minlength: 3, maxlength: 255)));
		return $article;
	}
}