<?php
/**
 * JEvents Component for Joomla! 3.x
 *
 * @version     $Id: Search.php 1976 2011-04-27 15:54:31Z geraintedwards $
 * @package     JEvents
 * @copyright   Copyright (C) 2008-2020 GWESystems Ltd
 * @license     GNU/GPLv2, see http://www.gnu.org/licenses/gpl-2.0.html
 * @link        http://www.jevents.net
 */

defined('_VALID_MOS') or defined('_JEXEC') or die('No Direct Access');

use Joomla\CMS\Language\Text;
use Joomla\CMS\Factory;

// searches event
class jevSearchFilter extends jevFilter
{
	const filterType = "search";

	function __construct($tablename, $filterfield, $isstring = true)
	{

		$this->filterType        = self::filterType;
		$this->filterLabel       = Text::_('SEARCH_EVENT');
		$this->filterNullValue   = "";
		$this->extrasearchfields = array();
		$this->extrajoin         = "";
		$this->needsgroup        = false;
		parent::__construct($tablename, $filterfield, true);

		// Should these be ignored?
		$reg       = Factory::getConfig();
		$modparams = $reg->get("jev.modparams", false);
		if ($modparams && $modparams->get("ignorefiltermodule", false))
		{
			$this->filter_value = $this->filterNullValue;
		}
	}

	function _createFilter($prefix = "")
	{

		if (!$this->filterField) return "";
		if (trim($this->filter_value) == $this->filterNullValue) return "";

		$db   = Factory::getDbo();
		$text = $db->Quote('%' . $db->escape($this->filter_value, true) . '%', false);

		$filter = "(det.summary LIKE $text OR det.description LIKE $text OR det.extra_info LIKE $text)";

		return $filter;

		/* Implementing this is more complicated becase of clash between onSearchEvents and onListIcalEvents triggers !
		// create filter gets called before createjoin !!
		PluginHelper::importPlugin('jevents');
		Factory::getApplication()->trigger('onSearchEvents', array(& $this->extrasearchfields, & $this->extrajoin, & $this->needsgroup));			
		
		$db = Factory::getDbo();
		$keyword = $db->Quote( '%'.$db->escape( $this->filter_value, true ).'%', false );
		$text = $db->escape( $this->filter_value, true );
							
		if (count($this->extrasearchfields) > 0)
		{
			$extraor = implode(" OR ", $this->extrasearchfields);
			$extraor = " OR " . $extraor;
			// replace the ### placeholder with the keyword
			$extraor = str_replace("###", $text, $extraor);

			$filter = "(det.summary LIKE $keyword OR det.description LIKE $keyword OR det.extra_info LIKE $keyword OR det.extra_info LIKE $keyword $extraor)\n" ;				
		}
		else
		{
			$filter = "(det.summary LIKE $text OR det.description LIKE $text OR det.extra_info LIKE $text)";
		}
		
		return $filter;
		 */
	}

	function _createJoinFilter($prefix = "")
	{

		/*
		// search filter code doesn't want 'LEFT JOIN' here
		if (strpos($this->extrajoin, "LEFT JOIN") <= 1){
			$this->extrajoin = substr($this->extrajoin, 9 + strpos($this->extrajoin, "LEFT JOIN"));
		}
		return $this->extrajoin;
		*/
		return "";
	}

	function _createfilterHTML()
	{

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

		$db = Factory::getDbo();

		$filterList          = array();
		$filterList["title"] = "<label class='evsearch_label' for='" . $this->filterType . "_fv'>" . $this->filterLabel . "</label>";
		$filterList["html"]  = "<input type='text' name='" . $this->filterType . "_fv' id='" . $this->filterType . "_fv'  class='evsearch' value=\"".htmlspecialchars($this->filter_value)."\" />";

		$script   = "try {JeventsFilters.filters.push({id:'" . $this->filterType . "_fv',value:''});} catch (e) {}";
		$document = Factory::getDocument();
		$document->addScriptDeclaration($script);

		return $filterList;

	}
}
