<?php
/*------------------------------------------------------------------------
# com_zhgooglemap - Zh GoogleMap
# ------------------------------------------------------------------------
# author:    Dmitry Zhuk
# copyright: Copyright (C) 2011 zhuk.cc. All Rights Reserved.
# license:   http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or later
# website:   http://zhuk.cc
# Technical Support Forum: http://forum.zhuk.cc/
-------------------------------------------------------------------------*/
// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\Utilities\ArrayHelper;

// import the Joomla modellist library
jimport('joomla.application.component.modellist');

/**
 * ZhGoogleStreetViews Model
 */
class ZhGoogleMapModelMapStreetViews extends JModelList
{

    /**
     * Constructor.
     *
     * @param    array    An optional associative array of configuration settings.
     * @see        JController
     * @since    1.6
     */
    public function __construct($config = array())
    {
        if (empty($config['filter_fields'])) {
            $config['filter_fields'] = array(
                'id', 'h.id',
                'title', 'h.title',
                'published', 'h.published',
                'catid', 'h.catid', 'category_title',
            );
        }

        parent::__construct($config);
    }


    /**
     * Method to auto-populate the model state.
     *
     * Note. Calling getState in this method will result in recursion.
     *
     * @return    void
     * @since    1.6
     */
    protected function populateState($ordering = null, $direction = null)
    {
        // Initialise variables.
        parent::populateState('h.title','asc');

        $app = JFactory::getApplication();

        $search = $this->getUserStateFromRequest($this->context.'.filter.search', 'filter_search');
        $this->setState('filter.search', $search);

        $published = $this->getUserStateFromRequest($this->context.'.filter.published', 'filter_published', '');
        $this->setState('filter.published', $published);
        
        $categoryId = $this->getUserStateFromRequest($this->context.'.filter.category_id', 'filter_category_id');
        $this->setState('filter.category_id', $categoryId);

        // Load the parameters.
        $params = JComponentHelper::getParams('com_zhgooglemap');
        $this->setState('params', $params);

    }

    /**
     * Method to build an SQL query to load the list data.
     *
     * @return    string    An SQL query
     */
    protected function getListQuery() 
    {
        // Create a new query object.
        $db = JFactory::getDBO();
        $query = $db->getQuery(true);

        $query->select('h.id,h.title,h.published,h.publish_up,h.publish_down,h.catid,c.title as category, c.language as category_language');
        $query->from('#__zhgooglemaps_streetviews as h');
        $query->leftJoin('#__categories as c on h.catid=c.id');

        // Filter by search in title
        $search = $this->getState('filter.search');
        if (!empty($search)) {
            $search = $db->Quote('%'.$db->escape($search, true).'%', false);
            $query->where('(h.title LIKE '.$search.')');
        }

        // Filter by published state
        $published = $this->getState('filter.published');
        if (is_numeric($published)) {
            $query->where('h.published = '.(int) $published);
        } elseif ($published === '') {
            $query->where('(h.published IN (0, 1))');
        }
        
        // Filter by a single or group of categories.
        $categoryId = $this->getState('filter.category_id');
        if (is_numeric($categoryId)) {
            $query->where('h.catid = '.(int) $categoryId);
        }
        else if (is_array($categoryId)) {
            if(version_compare(JVERSION, '3.5.0', 'ge'))
                        {
                            $categoryId = ArrayHelper::toInteger($categoryId);
                        }
                        else
                        {
                            JArrayHelper::toInteger($categoryId);
                        }
                        
            $categoryId = implode(',', $categoryId);
            $query->where('h.catid IN ('.$categoryId.')');
        }

        // Add the list ordering clause.
        $orderCol    = $this->state->get('list.ordering');
        $orderDirn    = $this->state->get('list.direction');

        if (/*$orderCol == 'ordering' || */$orderCol == 'category_title') {
            $orderCol = 'c.title '/*.$orderDirn.', h.ordering'*/;
        }
        
        $query->order($db->escape($orderCol.' '.$orderDirn));
        
        return $query;
    }


}