<?php
/**
 * @package	HikaShop for Joomla!
 * @version	4.0.1
 * @author	hikashop.com
 * @copyright	(C) 2010-2018 HIKARI SOFTWARE. All rights reserved.
 * @license	GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */
defined('_JEXEC') or die('Restricted access');
?><?php
defined('_JEXEC') or die;

class translationHikashop_product_categoryFilter extends translationFilter
{
	public function __construct ($contentElement){
		$this->filterNullValue="-1";
		$this->filterType="hikashop_product_category";
		$this->filterField =  $contentElement->getFilter("hikashop_product_category");
		parent::__construct($contentElement);
	}

	public function _createFilter(){
		if (!$this->filterField) return "";
		$filter="";
		if (isset($this->filter_value) && strlen($this->filter_value) > 0  && $this->filter_value!=$this->filterNullValue){
			$db = JFactory::getDBO();
			$query = 'SELECT pc.product_id FROM #__hikashop_product_category AS pc WHERE pc.category_id='.$this->filter_value;
			$db->setQuery($query);
			$product_ids = $db->loadObjectList();

			$idstring = '';
			foreach($product_ids as $product_id){
				if (strlen($idstring)>0) $idstring.=',';
				$idstring.=$product_id->product_id;
			}
			$filter = "c.product_id IN($idstring)";
		}
		return $filter;
	}

	function _createfilterHTML(){
		$db = JFactory::getDBO();

		if (!$this->filterField) return "";

		$allCategoryOptions = array();

		$query = 'SELECT DISTINCT c.category_id, c.category_name FROM #__hikashop_category AS c,
			#__'.$this->tableName.' as p, #__hikashop_product_category AS pc
			WHERE p.product_id=pc.product_id AND pc.'.$this->filterField.'=c.category_id ORDER BY c.category_name';

		$db->setQuery($query);
		$category_list = $db->loadObjectList();
		foreach($category_list as $k=>$category){
			$categoryOptions[$k] = JHTML::_('select.option', $category->category_id,$category->category_name);
		}

		if (!FALANG_J30) {
			$allCategoryOptions[-1] = JHTML::_('select.option', '-1',JText::_('COM_FALANG_ALL_CATEGORIES') );
		}
		$options = array_merge($allCategoryOptions, $categoryOptions);

		$categoryList=array();

		if (FALANG_J30) {
			$categoryList["title"]= JText::_('COM_FALANG_SELECT_CATEGORY');
			$categoryList["position"] = 'sidebar';
			$categoryList["name"]= 'hikashop_product_category_filter_value';
			$categoryList["type"]= 'hikashop_product_category';
			$categoryList["options"] = $options;
			$categoryList["html"] = JHTML::_('select.genericlist', $options, 'hikashop_product_category_filter_value', 'class="custom-select" size="1" onchange="document.adminForm.submit();"', 'value', 'text', $this->filter_value );
		} else {
			$categoryList["title"]= JText::_('COM_FALANG_CATEGORY_FILTER');
			$categoryList["html"] = JHTML::_('select.genericlist', $options, 'hikashop_product_category_filter_value', 'class="custom-select" size="1" onchange="document.adminForm.submit();"', 'value', 'text', $this->filter_value );
		}
		return $categoryList;
	}
}
