<?php

/**
 *  @module         news
 *  @version        see info.php of this module
 *  @author         Ryan Djurovich, Rob Smith, Dietrich Roland Pehlke, Christian M. Stefan (Stefek), Jurgen Nijhuis (Argos), LEPTON Project
 *  @copyright      2004-2010 Ryan Djurovich, Rob Smith, Dietrich Roland Pehlke, Christian M. Stefan (Stefek), Jurgen Nijhuis (Argos) 
 *  @copyright      2010-2021 LEPTON Project 
 *  @license        GNU General Public License
 *  @license terms  see info.php of this module
 *  @platform       see info.php of this module
 * 
 */

// include class.secure.php to protect this file and the whole CMS!
if (defined('LEPTON_PATH')) {	
	include(LEPTON_PATH.'/framework/class.secure.php'); 
} else {
	$oneback = "../";
	$root = $oneback;
	$level = 1;
	while (($level < 10) && (!file_exists($root.'/framework/class.secure.php'))) {
		$root .= $oneback;
		$level += 1;
	}
	if (file_exists($root.'/framework/class.secure.php')) { 
		include($root.'/framework/class.secure.php'); 
	} else {
		trigger_error(sprintf("[ <b>%s</b> ] Can't include class.secure.php!", $_SERVER['SCRIPT_NAME']), E_USER_ERROR);
	}
}
// end include class.secure.php



function news_search($func_vars) {
	extract($func_vars, EXTR_PREFIX_ALL, 'func');

	// how many lines of excerpt we want to have at most
	$max_excerpt_num = $func_default_max_excerpt;
	// do we want excerpt from comments?
	$excerpt_from_comments = true; // TODO: make this configurable
	$divider = ".";
	$result = false;

	// fetch all active news-posts (from active groups) in this section.
	$t = time();
	$table_posts = TABLE_PREFIX."mod_news_posts";
	$table_groups = TABLE_PREFIX."mod_news_groups";
	
	$query = [];
	$func_database->execute_query("
		SELECT p.post_id, p.title, p.content_short, p.content_long, p.link, p.posted_when, p.posted_by
		FROM $table_posts AS p LEFT OUTER JOIN $table_groups AS g ON p.group_id = g.group_id
		WHERE p.section_id='$func_section_id' AND p.active = '1' AND ( g.active IS NULL OR g.active = '1' )
		AND (published_when = '0' OR published_when <= $t) AND (published_until = 0 OR published_until >= $t)
		ORDER BY p.post_id DESC
	    ",
	    true,
	    $query,
	    true
	);
	// now call print_excerpt() for every single post
	if(count($query) > 0) {
		//while($res = $query->fetchRow()) {
		foreach($query as $res)
		{
			$text = $res['title'].$divider.$res['content_short'].$divider.$res['content_long'].$divider;
			// fetch comments and add to $text
			if($excerpt_from_comments) {
				$table = TABLE_PREFIX."mod_news_comments";
				$commentquery = [];
				$func_database->execute_query("
					SELECT title, comment
					FROM $table
					WHERE post_id='{$res['post_id']}'
					ORDER BY commented_when ASC
				    ",
				    true,
				    $commentquery,
				    true
				);
				if(count($commentquery) > 0) {
					//while($c_res = $commentquery->fetchRow()) {
					foreach($commentquery as $c_res)
					{
						$text .= $c_res['title'].$divider.$c_res['comment'].$divider;
					}
				}
			}
			$mod_vars = array(
				'page_link' => $res['link'], // use direct link to news-item
				'page_link_target' => "",
				'page_title' => $func_page_title,
				'page_description' => $res['title'], // use news-title as description
				'page_modified_when' => $res['posted_when'],
				'page_modified_by' => $res['posted_by'],
				'text' => $text,
				'max_excerpt_num' => $max_excerpt_num
			);
			if(print_excerpt2($mod_vars, $func_vars)) {
				$result = true;
			}
		}
	}
	
	// now fetch group-titles - ignore those without (active) postings
	$table_groups = TABLE_PREFIX."mod_news_groups";
	$table_posts = TABLE_PREFIX."mod_news_posts";
	$query = [];
	$func_database->execute_query("
		SELECT DISTINCT g.title, g.group_id
		FROM $table_groups AS g INNER JOIN $table_posts AS p ON g.group_id = p.group_id
		WHERE g.section_id='$func_section_id' AND g.active = '1' AND p.active = '1'
	    ",
	    true,
	    $query,
	    true
	);
	// now call print_excerpt() for every single group, too
	if(count($query) > 0) {
		//while($res = $query->fetchRow()) {
		foreach($query as $res)
		{
			$mod_vars = array(
				'page_link' => $func_page_link,
				'page_link_target' => "&g=".$res['group_id'],
				'page_title' => $func_page_title,
				'page_description' => $func_page_description,
				'page_modified_when' => $func_page_modified_when,
				'page_modified_by' => $func_page_modified_by,
				'text' => $res['title'].$divider,
				'max_excerpt_num' => $max_excerpt_num
			);
			if(print_excerpt2($mod_vars, $func_vars)) {
				$result = true;
			}
		}
	}
	return $result;
}
