<?php
/**
 * NoNumber Framework Helper File: Assignments: ZOO
 *
 * @package         NoNumber Framework
 * @version         14.11.8
 *
 * @author          Peter van Westen <peter@nonumber.nl>
 * @link            http://www.nonumber.nl
 * @copyright       Copyright © 2014 NoNumber All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

defined('_JEXEC') or die;

/**
 * Assignments: ZOO
 */
class nnFrameworkAssignmentsZOO
{
	function init(&$parent)
	{
		if (!$parent->params->view)
		{
			$parent->params->view = $parent->params->task;
		}
		switch ($parent->params->view)
		{
			case 'item':
				$parent->params->idname = 'item_id';
				break;
			case 'category':
				$parent->params->idname = 'category_id';
				break;
		}
		$parent->params->id = JFactory::getApplication()->input->getInt($parent->params->idname, 0);
	}

	function passPageTypes(&$parent, &$params, $selection = array(), $assignment = 'all')
	{
		return $parent->passPageTypes('com_zoo', $selection, $assignment);
	}

	function passCategories(&$parent, &$params, $selection = array(), $assignment = 'all', $article = 0)
	{
		if ($parent->params->option != 'com_zoo')
		{
			return $parent->pass(0, $assignment);
		}

		$pass = (
			($params->inc_apps && $parent->params->view == 'frontpage')
			|| ($params->inc_categories && $parent->params->view == 'category')
			|| ($params->inc_items && $parent->params->view == 'item')
		);

		if (!$pass)
		{
			return $parent->pass(0, $assignment);
		}

		$cats = array();
		if ($article && isset($article->catid))
		{
			$cats = $article->catid;
		}
		else
		{
			switch ($parent->params->view)
			{
				case 'frontpage':
					if ($parent->params->id)
					{
						$cats[] = $parent->params->id;
					}
					else
					{
						$menuparams = $parent->getMenuItemParams($parent->params->Itemid);
						if (isset($menuparams->application))
						{
							$cats[] = 'app' . $menuparams->application;
						}
					}
					break;

				case 'category':
					if ($parent->params->id)
					{
						$cats[] = $parent->params->id;
					}
					else
					{
						$menuparams = $parent->getMenuItemParams($parent->params->Itemid);
						if (isset($menuparams->category))
						{
							$cats[] = $menuparams->category;
						}
					}
					if ($cats['0'])
					{
						$parent->q->clear()
							->select('c.application_id')
							->from('#__zoo_category AS c')
							->where('c.id = ' . (int) $cats['0']);
						$parent->db->setQuery($parent->q);
						if ($parent->db->loadResult())
						{
							$cats[] = 'app' . $parent->db->loadResult();
						}
					}
					break;

				case 'item':
					$id = $parent->params->id;
					if (!$id)
					{
						$menuparams = $parent->getMenuItemParams($parent->params->Itemid);
						$id = isset($menuparams->item_id) ? $menuparams->item_id : '';
					}
					if ($id)
					{
						$parent->q->clear()
							->select('c.category_id')
							->from('#__zoo_category_item AS c')
							->where('c.item_id = ' . (int) $id)
							->where('c.category_id != 0');
						$parent->db->setQuery($parent->q);
						$cats = $parent->db->loadColumn();

						$parent->q->clear()
							->select('i.application_id')
							->from('#__zoo_item AS i')
							->where('i.id = ' . (int) $id);
						$parent->db->setQuery($parent->q);
						$cats[] = 'app' . $parent->db->loadResult();
					}
					break;

				default:
					return $parent->pass(0, $assignment);
			}
		}

		$cats = $parent->makeArray($cats);

		$pass = $parent->passSimple($cats, $selection, 'include');

		if ($pass && $params->inc_children == 2)
		{
			return $parent->pass(0, $assignment);
		}
		else if (!$pass && $params->inc_children)
		{
			foreach ($cats as $cat)
			{
				$cats = array_merge($cats, self::getCatParentIds($parent, $cat));
			}
		}

		return $parent->passSimple($cats, $selection, $assignment);
	}

	function passItems(&$parent, &$params, $selection = array(), $assignment = 'all')
	{
		if (!$parent->params->id || $parent->params->option != 'com_zoo' || $parent->params->view != 'item')
		{
			return $parent->pass(0, $assignment);
		}

		return $parent->passSimple($parent->params->id, $selection, $assignment);
	}

	function getCatParentIds(&$parent, $id = 0)
	{
		$parent_ids = array();

		if (!$id)
		{
			return $parent_ids;
		}

		while ($id)
		{
			if (substr($id, 0, 3) == 'app')
			{
				$parent_ids[] = $id;
				break;
			}
			else
			{
				$parent->q->clear()
					->select('c.parent')
					->from('#__zoo_category AS c')
					->where('c.id = ' . (int) $id);
				$parent->db->setQuery($parent->q);
				$pid = $parent->db->loadResult();
				if ($pid)
				{
					$parent_ids[] = $pid;
				}
				else
				{
					$parent->q->clear()
						->select('c.application_id')
						->from('#__zoo_category AS c')
						->where('c.id = ' . (int) $id);
					$parent->db->setQuery($parent->q);
					$app = $parent->db->loadResult();
					if ($app)
					{
						$parent_ids[] = 'app' . $app;
					}
					break;
				}
				$id = $pid;
			}
		}

		return $parent_ids;
	}
}
