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<?php
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/**
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 *
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 * @category        modules
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 * @package         news
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 * @author          WebsiteBaker Project
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 * @copyright       2009-2011, Website Baker Org. e.V.
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 * @link			http://www.websitebaker2.org/
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 * @license         http://www.gnu.org/licenses/gpl.html
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 * @platform        WebsiteBaker 2.8.x
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 * @requirements    PHP 5.2.2 and higher
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 * @version         $Id$
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 * @filesource		$HeadURL$
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 * @lastmodified    $Date$
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 *
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 */
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// Must include code to stop this file being access directly
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if(defined('WB_PATH') == false) { die("Cannot access this file directly"); }
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function news_search($func_vars) {
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	extract($func_vars, EXTR_PREFIX_ALL, 'func');
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	static $search_sql1 = FALSE;
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	static $search_sql2 = FALSE;
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	static $search_sql3 = FALSE;
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	if(function_exists('search_make_sql_part')) {
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		if($search_sql1===FALSE)
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			$search_sql1 = search_make_sql_part($func_search_url_array, $func_search_match, array('`title`','`content_short`','`content_long`'));
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		if($search_sql2===FALSE)
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			$search_sql2 = search_make_sql_part($func_search_url_array, $func_search_match, array('`title`','`comment`'));
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		if($search_sql3===FALSE)
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			$search_sql3 = search_make_sql_part($func_search_url_array, $func_search_match, array('g.`title`'));
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	} else {
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		$search_sql1 = $search_sql2 = $search_sql3 = '1=1';
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	}
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	// how many lines of excerpt we want to have at most
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	$max_excerpt_num = $func_default_max_excerpt;
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	// do we want excerpt from comments?
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	$excerpt_from_comments = true; // TODO: make this configurable
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	$divider = ".";
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	$result = false;
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  if($func_time_limit>0) {
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    $stop_time = time() + $func_time_limit;
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  }
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	// fetch all active news-posts (from active groups) in this section.
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	$t = time();
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	$table_posts = TABLE_PREFIX."mod_news_posts";
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	$table_groups = TABLE_PREFIX."mod_news_groups";
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	$query = $func_database->query("
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		SELECT p.post_id, p.title, p.content_short, p.content_long, p.link, p.posted_when, p.posted_by
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		FROM $table_posts AS p LEFT OUTER JOIN $table_groups AS g ON p.group_id = g.group_id
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		WHERE p.section_id='$func_section_id' AND p.active = '1' AND ( g.active IS NULL OR g.active = '1' )
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		AND (published_when = '0' OR published_when <= $t) AND (published_until = 0 OR published_until >= $t)
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		ORDER BY p.post_id DESC
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	");
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	// now call print_excerpt() for every single post
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	if($query->numRows() > 0) {
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		while($res = $query->fetchRow()) {
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			$text = '';
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			// break out if stop-time is reached
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			if(isset($stop_time) && time()>$stop_time) return($result);
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			// fetch content
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			$postquery = $func_database->query("
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				SELECT title, content_short, content_long
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				FROM $table_posts
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				WHERE post_id='{$res['post_id']}' AND $search_sql1
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			");
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			if($postquery->numRows() > 0) {
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				if($p_res = $postquery->fetchRow()) {
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					$text = $p_res['title'].$divider.$p_res['content_short'].$divider.$p_res['content_long'].$divider;
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				}
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			}
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			// fetch comments and add to $text
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			if($excerpt_from_comments) {
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				$table = TABLE_PREFIX."mod_news_comments";
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				$commentquery = $func_database->query("
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					SELECT title, comment
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					FROM $table
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					WHERE post_id='{$res['post_id']}' AND $search_sql2
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					ORDER BY commented_when ASC
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				");
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				if($commentquery->numRows() > 0) {
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					while($c_res = $commentquery->fetchRow()) {
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						// break out if stop-time is reached
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						if(isset($stop_time) && time()>$stop_time) return($result);
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						$text .= $c_res['title'].$divider.$c_res['comment'].$divider;
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					}
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				}
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			}
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			if($text) {
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				$mod_vars = array(
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					'page_link' => $res['link'], // use direct link to news-item
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					'page_link_target' => "",
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					'page_title' => $func_page_title,
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					'page_description' => $res['title'], // use news-title as description
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					'page_modified_when' => $res['posted_when'],
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					'page_modified_by' => $res['posted_by'],
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					'text' => $text,
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					'max_excerpt_num' => $max_excerpt_num
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				);
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				if(print_excerpt2($mod_vars, $func_vars)) {
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					$result = true;
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				}
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			}
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		}
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	}
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	// now fetch group-titles - ignore those without (active) postings
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	$table_groups = TABLE_PREFIX."mod_news_groups";
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	$table_posts = TABLE_PREFIX."mod_news_posts";
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	$query = $func_database->query("
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		SELECT DISTINCT g.title, g.group_id
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		FROM $table_groups AS g INNER JOIN $table_posts AS p ON g.group_id = p.group_id
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		WHERE g.section_id='$func_section_id' AND g.active = '1' AND p.active = '1' AND $search_sql3
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	");
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	// now call print_excerpt() for every single group, too
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	if($query->numRows() > 0) {
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		while($res = $query->fetchRow()) {
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			// break out if stop-time is reached
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			if(isset($stop_time) && time()>$stop_time) return($result);
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			$mod_vars = array(
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				'page_link' => $func_page_link,
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				'page_link_target' => "&g=".$res['group_id'],
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				'page_title' => $func_page_title,
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				'page_description' => $func_page_description,
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				'page_modified_when' => $func_page_modified_when,
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				'page_modified_by' => $func_page_modified_by,
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				'text' => $res['title'].$divider,
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				'max_excerpt_num' => $max_excerpt_num
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			);
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			if(print_excerpt2($mod_vars, $func_vars)) {
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				$result = true;
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			}
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		}
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	}
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	return $result;
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}