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<?php
/**
 * @package Related News
 * @version 2.5
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 * @copyright (c) 2012 YouTech Company. All Rights Reserved.
 * @author YouTech Company http://www.smartaddons.com
 *
 */
defined('_JEXEC') or die;

$com_path = JPATH_SITE.'/components/com_content/';
require_once $com_path.'router.php';
require_once $com_path.'helpers/route.php';
JModelLegacy::addIncludePath($com_path . '/models', 'ContentModel');

include_once dirname(__FILE__).'/helper_base.php';

class RelatedNews extends RelatedBaseHelper{
	
	public static function getList(&$params)
	{
		// Get an instance of the generic articles model
		$model = JModelLegacy::getInstance('Articles', 'ContentModel', array('ignore_request' => true));

		// Set application parameters in model
		$app       = JFactory::getApplication();
		$appParams = $app->getParams();
		$model->setState('params', $appParams);

		// Set the filters based on the module params
		$model->setState('list.start', 0);
		$model->setState('list.limit', (int) $params->get('count', 5));
		$model->setState('filter.published', 1);

		// Access filter
		$access     = !JComponentHelper::getParams('com_content')->get('show_noauth');
		$authorised = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
		$model->setState('filter.access', $access);

		// Category filter
		$model->setState('filter.category_id', $params->get('catid', array()));

		// Filter by language
		$model->setState('filter.language', $app->getLanguageFilter());

		// Set ordering
		$ordering = $params->get('ordering', 'a.publish_up');
		$model->setState('list.ordering', $ordering);

		if (trim($ordering) == 'rand()')
		{
			$model->setState('list.ordering', JFactory::getDbo()->getQuery(true)->Rand());
		}
		else
		{
			$direction = $params->get('direction', 1) ? 'DESC' : 'ASC';
			$model->setState('list.direction', $direction);
			$model->setState('list.ordering', $ordering);
		}

		// Retrieve Content
		$items = $model->getItems();

		foreach ($items as &$item)
		{
			$item->readmore = strlen(trim($item->fulltext));
			$item->slug     = $item->id . ':' . $item->alias;
			$item->catslug  = $item->catid . ':' . $item->category_alias;

			if ($access || in_array($item->access, $authorised))
			{
				// We know that user has the privilege to view the article
				$item->link     = JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catid, $item->language));
				$item->linkText = JText::_('MOD_ARTICLES_NEWS_READMORE');
			}
			else
			{
				$item->link = new JUri(JRoute::_('index.php?option=com_users&view=login', false));
				$item->link->setVar('return', base64_encode(ContentHelperRoute::getArticleRoute($item->slug, $item->catid, $item->language)));
				$item->linkText = JText::_('MOD_ARTICLES_NEWS_READMORE_REGISTER');
			}

			$item->introtext = JHtml::_('content.prepare', $item->introtext, '', 'mod_articles_news.content');

			if (!$params->get('image'))
			{
				$item->introtext = preg_replace('/<img[^>]*>/', '', $item->introtext);
			}

			$results                 = $app->triggerEvent('onContentAfterDisplay', array('com_content.article', &$item, &$params, 1));
			$item->afterDisplayTitle = trim(implode("\n", $results));

			$results                    = $app->triggerEvent('onContentBeforeDisplay', array('com_content.article', &$item, &$params, 1));
			$item->beforeDisplayContent = trim(implode("\n", $results));
		}

		return $items;
	}

	public static function groupBy($list, $fieldName, $article_grouping_direction, $fieldNameToKeep = null)
	{
		$grouped = array();
	
		if (!is_array($list)) {
			if ($list == '') {
				return $grouped;
			}
	
			$list = array($list);
		}
	
		foreach($list as $key => $item)
		{
			if (!isset($grouped[$item->$fieldName])) {
				$grouped[$item->$fieldName] = array();
			}
	
			if (is_null($fieldNameToKeep)) {
				$grouped[$item->$fieldName][$key] = $item;
			}
			else {
				$grouped[$item->$fieldName][$key] = $item->$fieldNameToKeep;
			}
	
			unset($list[$key]);
		}
	
		$article_grouping_direction($grouped);
	
		return $grouped;
	}
	
	public static function groupByDate($list, $type = 'year', $article_grouping_direction, $month_year_format = 'F Y')
	{
		$grouped = array();
	
		if (!is_array($list)) {
			if ($list == '') {
				return $grouped;
			}
	
			$list = array($list);
		}
	
		foreach($list as $key => $item)
		{
			switch($type)
			{
				case 'month_year':
					$month_year = JString::substr($item->created, 0, 7);
	
					if (!isset($grouped[$month_year])) {
						$grouped[$month_year] = array();
					}
	
					$grouped[$month_year][$key] = $item;
					break;
	
				case 'year':
				default:
					$year = JString::substr($item->created, 0, 4);
	
					if (!isset($grouped[$year])) {
						$grouped[$year] = array();
					}
	
					$grouped[$year][$key] = $item;
					break;
			}
	
			unset($list[$key]);
		}
	
		$article_grouping_direction($grouped);
	
		if ($type === 'month_year') {
			foreach($grouped as $group => $items)
			{
				$date = new JDate($group);
				$formatted_group = $date->format($month_year_format);
				$grouped[$formatted_group] = $items;
				unset($grouped[$group]);
			}
		}
	
		return $grouped;
	}

	
}