internship-playground/src-php/app/internship/model/CategoryForm.php

<?php
namespace internship\model;

use n2n\web\dispatch\Dispatchable;
use internship\bo\NewsCategory;
use n2n\web\dispatch\map\bind\BindingDefinition;
use n2n\impl\web\dispatch\map\val\ValNotEmpty;
use n2n\impl\web\dispatch\map\val\ValImageFile;
use n2n\io\managed\File;
use n2n\web\dispatch\map\MappingResult;
use n2n\util\io\IoUtils;
use n2n\web\http\PageNotFoundException;

class CategoryForm implements Dispatchable {
	private NewsCategory $category;

	protected string $title;
	protected string $content;
	protected $imageFile;

	public function __construct(NewsCategory $category = null) {
		$this->title = '';
		$this->content = '';
		if ($category) {
			$this->title = $category->getTitle();
			$this->id = $category->getId();
			$this->content = $category->getContent();
			$this->category = $category;
		}
	}
	public function getTitle() {
		return $this->title;
	}

	public function setTitle(string $title) {
		$this->title = $title;
	}

	public function getImageFile() {
		return $this->imageFile;
	}

	public function setImageFile(File $imageFile = null) {
		$this->imageFile = $imageFile;
	}

	public function getContent() {
		return $this->content;
	}

	public function setContent(string $content) {
		$this->content = $content;
	}

	private function _mapping(MappingResult $mr) {
		$mr->setLabel('title', 'Titel');
		$mr->setLabel('content', 'Beschreibung');
		$mr->setLabel('imageFile', 'Bild');
	}

	private function _validation(BindingDefinition $bd) {
		$bd->val(array('content', 'title'), new ValNotEmpty());
		$bd->val('imageFile', new ValImageFile(true));
	}

	public function save(NewsDao $newsDao) {
		$category = $this->category ?? new NewsCategory();
		$category->setTitle($this->title);
		$category->setLead(substr_replace($this->content, "...", 50));
		$category->setContent($this->content);
		$category->setImageFile($this->imageFile);
		$category->setUrlPart(strtolower(IoUtils::stripSpecialChars($this->title)));
		$newsDao->saveCategory($category);
	}

	public function delete(NewsDao $newsDao) {
		if (!$this->category) {
			throw new PageNotFoundException('no id set');
		}
		$category = $this->category;
		$newsDao->deleteCategory($category);
	}

}