<?php


// no direct access
defined('_JEXEC') or die;

jimport('joomla.application.component.modellist');


/**
 *
 */
class RokSprocketModelContentBuilderItems extends JModelList
{

    /**
     * @param array $config
     */
    public function __construct($config = array())
    {
        if (empty($config['filter_fields'])) {
            $config['filter_fields'] = array(
                'id', 'a.id',
                'title', 'a.title',
                'alias', 'a.alias',
                'checked_out', 'a.checked_out',
                'checked_out_time', 'a.checked_out_time',
                'catid', 'a.catid', 'category_title',
                'state', 'a.published',
                'access', 'a.access', 'access_level',
                'created', 'a.created',
                'created_by', 'a.created_by',
                'ordering', 'a.ordering',
                'featured', 'a.featured',
                'language', 'a.language',
                'hits', 'a.hits',
                'publish_up', 'a.publish_up',
                'publish_down', 'a.publish_down',
                'storage_id', 's.id',
            );
        }

        parent::__construct($config);
    }


    /**
     * @param null $ordering
     * @param null $direction
     */
    protected function populateState($ordering = null, $direction = null)
    {
        // Initialise variables.
        $app = JFactory::getApplication();
        $session = JFactory::getSession();

        // Adjust the context to support modal layouts.
        if ($layout = JRequest::getVar('layout')) {
            $this->context .= '.' . $layout;
        }

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

        $access = $this->getUserStateFromRequest($this->context . '.filter.access', 'filter_access', 0, 'int');
        $this->setState('filter.access', $access);

        $authorId = $app->getUserStateFromRequest($this->context . '.filter.author_id', 'filter_author_id');
        $this->setState('filter.author_id', $authorId);

        $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);

        $storage_id = $this->getUserStateFromRequest($this->context . '.filter.storage_id', 'filter_storage_id', '');
        $this->setState('filter.storage_id', $storage_id);

        $level = $this->getUserStateFromRequest($this->context . '.filter.featured', 'filter_featured', 0, 'int');
        $this->setState('filter.level', $level);

        $language = $this->getUserStateFromRequest($this->context . '.filter.language', 'filter_language', '');
        $this->setState('filter.language', $language);

        // List state information.
        parent::populateState('a.title', 'asc');
    }


    /**
     * @param string $id
     * @return string
     */
    protected function getStoreId($id = '')
    {
        // Compile the store id.
        $id .= ':' . $this->getState('filter.search');
        $id .= ':' . $this->getState('filter.access');
        $id .= ':' . $this->getState('filter.published');
        $id .= ':' . $this->getState('filter.category_id');
        $id .= ':' . $this->getState('filter.storage_id');
        $id .= ':' . $this->getState('filter.author_id');
        $id .= ':' . $this->getState('filter.language');

        return parent::getStoreId($id);
    }


    /**
     * @return JDatabaseQuery
     */
    protected function getListQuery()
    {
        // Create a new query object.
        $db = $this->getDbo();
        $query = $db->getQuery(true);
        $user = JFactory::getUser();

		// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				'a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid' .
				', a.state, a.access, a.created, a.created_by, a.ordering, a.featured, a.language, a.hits' .
                ', a.publish_up, a.publish_down'
            )
        );

        $query->from('#__contentbuilder_articles as ca');

        $query->join('LEFT', '#__content AS a ON a.id = ca.article_id');

        $query->join('LEFT', '#__contentbuilder_records AS cr ON (cr.record_id = ca.record_id AND cr.reference_id = ca.reference_id)');

        $query->select('s.id as storage_id, s.name as storage_name');
        $query->join('LEFT', '#__contentbuilder_storages AS s ON s.id = cr.reference_id');

		// Join over the language
		$query->select('l.title AS language_title');
		$query->join('LEFT', $db->quoteName('#__languages').' AS l ON l.lang_code = a.language');

		// Join over the users for the checked out user.
		$query->select('uc.name AS editor');
		$query->join('LEFT', '#__users AS uc ON uc.id=a.checked_out');

		// Join over the asset groups.
		$query->select('ag.title AS access_level');
		$query->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');

		// Join over the categories.
		$query->select('c.title AS category_title');
		$query->join('LEFT', '#__categories AS c ON c.id = a.catid');

		// Join over the users for the author.
		$query->select('ua.name AS author_name');
		$query->join('LEFT', '#__users AS ua ON ua.id = a.created_by');

        // Filter by storage_id location.
		if ($storage_id = $this->getState('filter.storage_id')) {
			$query->where('s.id = ' . (int) $storage_id);
		}

		// Filter by access level.
		if ($access = $this->getState('filter.access')) {
			$query->where('a.access = ' . (int) $access);
		}

		// Implement View Level Access
		if (!$user->authorise('core.admin'))
		{
		    $groups	= implode(',', $user->getAuthorisedViewLevels());
			$query->where('a.access IN ('.$groups.')');
		}

		// Filter by published state
		$published = $this->getState('filter.published');
		if (is_numeric($published)) {
			$query->where('a.state = ' . (int) $published);
		}
		elseif ($published === '') {
			$query->where('(a.state = 0 OR a.state = 1)');
		}

		// Filter by a single or group of categories.
		$baselevel = 1;
		$categoryId = $this->getState('filter.category_id');
		if (is_numeric($categoryId)) {
			$cat_tbl = JTable::getInstance('Category', 'JTable');
			$cat_tbl->load($categoryId);
			$rgt = $cat_tbl->rgt;
			$lft = $cat_tbl->lft;
			$baselevel = (int) $cat_tbl->level;
			$query->where('c.lft >= '.(int) $lft);
			$query->where('c.rgt <= '.(int) $rgt);
		}
		elseif (is_array($categoryId)) {
			JArrayHelper::toInteger($categoryId);
			$categoryId = implode(',', $categoryId);
			$query->where('a.catid IN ('.$categoryId.')');
		}

		// Filter on the level.
		if ($level = $this->getState('filter.level')) {
			$query->where('c.level <= '.((int) $level + (int) $baselevel - 1));
		}

		// Filter by author
		$authorId = $this->getState('filter.author_id');
		if (is_numeric($authorId)) {
			$type = $this->getState('filter.author_id.include', true) ? '= ' : '<>';
			$query->where('a.created_by '.$type.(int) $authorId);
		}

		// Filter by search in title.
		$search = $this->getState('filter.search');
		if (!empty($search)) {
			if (stripos($search, 'id:') === 0) {
				$query->where('a.id = '.(int) substr($search, 3));
			}
			elseif (stripos($search, 'author:') === 0) {
				$search = $db->Quote('%'.$db->escape(substr($search, 7), true).'%');
				$query->where('(ua.name LIKE '.$search.' OR ua.username LIKE '.$search.')');
			}
			else {
				$search = $db->Quote('%'.$db->escape($search, true).'%');
				$query->where('(a.title LIKE '.$search.' OR a.alias LIKE '.$search.')');
			}
		}

		// Filter on the language.
		if ($language = $this->getState('filter.language')) {
			$query->where('a.language = '.$db->quote($language));
		}

		// Add the list ordering clause.
		$orderCol	= $this->state->get('list.ordering', 'a.title');
		$orderDirn	= $this->state->get('list.direction', 'asc');
		if ($orderCol == 'a.ordering' || $orderCol == 'category_title') {
			$orderCol = 'c.title '.$orderDirn.', a.ordering';
		}
		//sqlsrv change
		if($orderCol == 'language')
			$orderCol = 'l.title';
		if($orderCol == 'access_level')
			$orderCol = 'ag.title';
		$query->order($db->escape($orderCol.' '.$orderDirn));

		// echo nl2br(str_replace('#__','jos_',$query));
		return $query;
	}

    /**
     * @return mixed
     */
    public function getStorages()
    {
        // Create a new query object.
        $db = $this->getDbo();
        $query = $db->getQuery(true);

        // Construct the query
        $query->select('id AS value, title AS text');
        $query->from('#__contentbuilder_storages');
        $query->order('name ASC');

        // Setup the query
        $db->setQuery($query->__toString());

        // Return the result
        return $db->loadObjectList();
    }


    /**
   	 * Build a list of authors
   	 *
   	 * @return	JDatabaseQuery
   	 * @since	1.6
   	 */
   	public function getAuthors() {
   		// Create a new query object.
   		$db = $this->getDbo();
   		$query = $db->getQuery(true);

   		// Construct the query
   		$query->select('u.id AS value, u.name AS text');
   		$query->from('#__users AS u');
   		$query->join('INNER', '#__content AS c ON c.created_by = u.id');
   		$query->group('u.id, u.name');
   		$query->order('u.name');

   		// Setup the query
   		$db->setQuery($query->__toString());

   		// Return the result
   		return $db->loadObjectList();
   	}

   	/**
   	 * Method to get a list of articles.
   	 * Overridden to add a check for access levels.
   	 *
   	 * @return	mixed	An array of data items on success, false on failure.
   	 * @since	1.6.1
   	 */
    public function getItems()
    {
        $items	= parent::getItems();
        $app	= JFactory::getApplication();
        if ($app->isSite()) {
            $user	= JFactory::getUser();
            $groups	= $user->getAuthorisedViewLevels();

            for ($x = 0, $count = count($items); $x < $count; $x++) {
                //Check the access level. Remove articles the user shouldn't see
                if (!in_array($items[$x]->access, $groups)) {
                    unset($items[$x]);
                }
            }
        }
        return $items;
    }
}
