toutpratique/controllers/front/CategoryCmsController.php

<?php

require_once _MODULE_DIR_.'cmsps/classes/CmsPsCategory.php';

class CategoryCmsControllerCore extends FrontController
{
	public $php_self = 'categorycms';
	public $categorycms;

	public function canonicalRedirection($canonical_url = '') {
		parent::canonicalRedirection($this->context->link->getCategoryCmsLink($this->categorycms->id));
	}

	public function init() {
		$id_category_cms = Tools::getValue('id_category_cms', 0);		
		$this->categorycms = new CmsPsCategory($id_category_cms, $this->context->language->id);

		if (!Validate::isLoadedObject($this->categorycms)) {
			header('HTTP/1.1 404 Not Found');
			header('Status: 404 Not Found');
		}
		parent::init();
	}

	public function initContent() {
		parent::initContent();

		$this->context->smarty->assign(array(
			'path'	=> Tools::getPath($this->categorycms->id, '', FALSE, 'categoriescms'),
			'categorycms' => $this->categorycms
		));

		$this->setTemplate(_PS_THEME_DIR_.'categorycms.tpl');
	}

}