router.php

<?php
/**
 * NNProducts
 * @package    NNPRODUCTS
 * @author     Niels Nübel <[email protected]>
 * @copyright  Copyright (c) 2015 tec-promotion GmbH / NN-Medienagentur.de
 * @license    GNU General Public License version 2 or later
 */

defined('_JEXEC') or die;

/**
 * Build the route for the com_nnproducts component
 * @param   array  &$query  An array of URL arguments
 *
 * @return  array  The URL arguments to use to assemble the subsequent URL.
 */
function NNProductsBuildRoute(&$query)
{
	$segments = array();

	// Get a menu item based on Itemid or currently active
	$app = JFactory::getApplication();
	$menu = $app->getMenu();

	// We need a menu item.  Either the one specified in the query, or the current active one if none specified
	if (empty($query['Itemid']))
	{
		$menuItem = $menu->getActive();
		$menuItemGiven = false;
	}
	else
	{
		$menuItem = $menu->getItem($query['Itemid']);
		$menuItemGiven = true;
	}

	// Check again
	if ($menuItemGiven && isset($menuItem) && $menuItem->component != 'com_nnproducts')
	{
		$menuItemGiven = false;
		unset($query['Itemid']);
	}

	// Are we dealing with an article or category that is attached to a menu item?
	if (($menuItem instanceof stdClass) && $menuItem->query['view'] == $query['view'] && ((isset($query['id']) && $menuItem->query['id'] == (int) $query['id']) || (isset($query['catid']) && $menuItem->query['catid'] == (int) $query['catid'])))
	{
		unset($query['view']);

		if (isset($query['catid']))
		{
			unset($query['catid']);
		}

		if (isset($query['layout']))
		{
			unset($query['layout']);
		}

		unset($query['id']);

		return $segments;
	}

	if (isset($query['view']))
	{
		//$segments[] = $query['view'];
	}
	else
	{
		// We need to have a view in the query or it is an invalid URL
		return $segments;
	}

	if (isset($query['catid']))
	{
		$segments[] = $query['catid'];
		unset($query['catid']);
	};
	if (isset($query['task']) && $query['task']=='product')
	{
		$segments[] = $query['task'];
		unset($query['task']);
	};
	if (isset($query['id']))
	{
		$segments[] = $query['id'];
		unset($query['id']);
	};
	unset($query['view']);

	return $segments;
}

/**
 * Parse the segments of a URL.
 *
 * @param   array  $segments  The segments of the URL to parse.
 *
 * @return  array  The URL attributes to be used by the application.
 */
function NNProductsParseRoute($segments)
{
	$vars = array();
	$app = JFactory::getApplication();
	$menu = $app->getMenu();
	$item = $menu->getActive();
	// Count segments
	$count = count($segments);
	// Handle View and Identifier
	switch ($item->query['view'])
	{
		case 'categories':
			if ($count == 1)
			{
				$vars['view'] = 'category';
			}
			if ($count == 2)
			{
				$vars['view'] = 'article';
			}
			$id = explode(':', $segments[$count-1]);
			$vars['id'] = (int) $id[0];
			break;
		case 'product':
			$vars['view'] = 'product';
			$id = explode(':', $segments[$count-1]);
			$vars['id'] = (int) $id[0];
			break;
		case 'recipe':
			$vars['view'] = 'recipe';
			$id = explode(':', $segments[1]);
			$vars['id'] = (int) $id[0];
			break;
		case 'recipes':
			if ($count == 1)
			{
				$vars['view'] = 'recipe';
				$id = explode(':', $segments[$count-1]);
				$vars['id'] = (int) $id[0];
			}
			elseif ($count == 2)
			{
				$vars['view'] = 'recipes';
				$vars['task'] = $segments[$count-2];
				$id = explode(':', $segments[$count-1]);
				$vars['id'] = (int) $id[0];
			}
			else
				$vars['view'] = 'recipes';
			break;
		case 'category':
				$id = $segments[$count-1];
				$vars['catid'] = (int) $id[0];
				$vars['view'] = 'category';
			break;
	}
	return $vars;
}