age_restriction.php

<?php
class ControllerExtensionModuleAgeRestriction extends Controller {
	
	const DEFAULT_MODULE_SETTINGS = [
		'name' => 'Age Restriction (21)',
		'message' => 'Are you %s and older?',
		'age' => 21,
		'redirect_url' => 'http://www.example.org',
		'status' => 1 /* Enabled by default*/
	];
    
	private $error = array();
	
	public function index() {  
		if (!isset($this->request->get['module_id'])) {
			$module_id = $this->addModule();
			$this->response->redirect($this->url->link('extension/module/age_restriction','&user_token='.$this->session->data['user_token'].'&module_id='.$module_id));
		} else {
		   $this->editModule($this->request->get['module_id']);
		}
	}
	
	private function addModule() {
		$this->load->model('setting/module');
	
		$this->model_setting_module->addModule('age_restriction', self::DEFAULT_MODULE_SETTINGS);
		
		return $this->db->getLastId();
	}

	protected function editModule($module_id) {
		$data = array(); 
		
		$htmlOutput = $this->load->view('extension/module/age_restriction', $data);
		$this->response->setOutput($htmlOutput);
	}

	public function validate() {

	}
	
	public function install() {
		$this->load->model('setting/setting');

		$this->model_setting_setting->editSetting('module_age_restriction', ['module_age_restriction_status'=>1]);
	}
	
	public function uninstall() {
		$this->load->model('setting/setting');
		$this->model_setting_setting->deleteSetting('module_age_restriction');
	}
}