Questions-and-Answers/admin/controller.php

<?php
/*--------------------------------------------------------------------------------------------------------|  www.vdm.io  |------/
    __      __       _     _____                 _                                  _     __  __      _   _               _
    \ \    / /      | |   |  __ \               | |                                | |   |  \/  |    | | | |             | |
     \ \  / /_ _ ___| |_  | |  | | _____   _____| | ___  _ __  _ __ ___   ___ _ __ | |_  | \  / | ___| |_| |__   ___   __| |
      \ \/ / _` / __| __| | |  | |/ _ \ \ / / _ \ |/ _ \| '_ \| '_ ` _ \ / _ \ '_ \| __| | |\/| |/ _ \ __| '_ \ / _ \ / _` |
       \  / (_| \__ \ |_  | |__| |  __/\ V /  __/ | (_) | |_) | | | | | |  __/ | | | |_  | |  | |  __/ |_| | | | (_) | (_| |
        \/ \__,_|___/\__| |_____/ \___| \_/ \___|_|\___/| .__/|_| |_| |_|\___|_| |_|\__| |_|  |_|\___|\__|_| |_|\___/ \__,_|
                                                        | |
                                                        |_|
/-------------------------------------------------------------------------------------------------------------------------------/

	@version		1.0.x
	@build			6th January, 2021
	@created		30th January, 2017
	@package		Questions and Answers
	@subpackage		controller.php
	@author			Llewellyn van der Merwe <https://www.vdm.io/>
	@copyright		Copyright (C) 2015. All Rights Reserved
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html

	Questions &amp; Answers

/-----------------------------------------------------------------------------------------------------------------------------*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\Utilities\ArrayHelper;

/**
 * General Controller of Questionsanswers component
 */
class QuestionsanswersController extends JControllerLegacy
{
	/**
	 * Constructor.
	 *
	 * @param   array  $config  An optional associative array of configuration settings.
	 * Recognized key values include 'name', 'default_task', 'model_path', and
	 * 'view_path' (this list is not meant to be comprehensive).
	 *
	 * @since   3.0
	 */
	public function __construct($config = array())
	{
		// set the default view
		$config['default_view'] = 'questionsanswers';

		parent::__construct($config);
	}

	/**
	 * display task
	 *
	 * @return void
	 */
	function display($cachable = false, $urlparams = false)
	{
		// set default view if not set
		$view   = $this->input->getCmd('view', 'questionsanswers');
		$data	= $this->getViewRelation($view);
		$layout	= $this->input->get('layout', null, 'WORD');
		$id    	= $this->input->getInt('id');

		// Check for edit form.
		if(QuestionsanswersHelper::checkArray($data))
		{
			if ($data['edit'] && $layout == 'edit' && !$this->checkEditId('com_questionsanswers.edit.'.$data['view'], $id))
			{
				// Somehow the person just went to the form - we don't allow that.
				$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
				$this->setMessage($this->getError(), 'error');
				// check if item was opend from other then its own list view
				$ref 	= $this->input->getCmd('ref', 0);
				$refid 	= $this->input->getInt('refid', 0);
				// set redirect
				if ($refid > 0 && QuestionsanswersHelper::checkString($ref))
				{
					// redirect to item of ref
					$this->setRedirect(JRoute::_('index.php?option=com_questionsanswers&view='.(string)$ref.'&layout=edit&id='.(int)$refid, false));
				}
				elseif (QuestionsanswersHelper::checkString($ref))
				{

					// redirect to ref
					$this->setRedirect(JRoute::_('index.php?option=com_questionsanswers&view='.(string)$ref, false));
				}
				else
				{
					// normal redirect back to the list view
					$this->setRedirect(JRoute::_('index.php?option=com_questionsanswers&view='.$data['views'], false));
				}

				return false;
			}
		}

		return parent::display($cachable, $urlparams);
	}

	protected function getViewRelation($view)
	{
		// check the we have a value
		if (QuestionsanswersHelper::checkString($view))
		{
			// the view relationships
			$views = array(
				'question_and_answer' => 'questions_and_answers',
				'help_document' => 'help_documents'
					);
			// check if this is a list view
			if (in_array($view, $views))
			{
				// this is a list view
				return array('edit' => false, 'view' => array_search($view,$views), 'views' => $view);
			}
			// check if it is an edit view
			elseif (array_key_exists($view, $views))
			{
				// this is a edit view
				return array('edit' => true, 'view' => $view, 'views' => $views[$view]);
			}
		}
		return false;
	}
}