mylittleforum/includes/search.inc.php
2010-01-31 13:39:34 +01:00

157 lines
7.6 KiB
PHP

<?php
if(!defined('IN_INDEX'))
{
header('Location: ../index.php');
exit;
}
if(isset($_GET['search']))
{
$search = urldecode($_GET['search']);
if(isset($_GET['p_category'])) $p_category = intval($_GET['p_category']);
else $p_category = 0;
if(isset($_GET['method']) && $_GET['method']=='tags') $method = 'tags';
elseif(isset($_GET['method']) && $_GET['method']=='fulltext_or') $method = 'fulltext_or';
else $method = 'fulltext';
$search = trim($search);
// split search query at spaces, but not between double quotes:
$help_pattern = '[!/*/~/?]'; // pattern to hide spaces between quotes
#$search = str_replace($help_pattern,$search);
$x_search = preg_replace_callback("#\"(.+?)\"#is", create_function('$string','global $help_pattern; return str_replace(" ",$help_pattern,$string[1]);'), $search);
$x_search_array = explode(' ', my_strtolower($x_search, $lang['charset']));
foreach($x_search_array as $item)
{
$search_array[] = mysql_real_escape_string(str_replace($help_pattern,' ',$item));
}
// limit to 3 words:
if(count($search_array)>3)
{
for($i=0;$i<3;++$i)
{
$stripped_search_array[] = $search_array[$i];
}
$search_array = $stripped_search_array;
}
foreach($search_array as $item)
{
if(my_strpos($item, ' ', 0, CHARSET))
{
$item = '"'.$item.'"';
}
$serch_string_array[] = $item;
}
$search = implode(' ',$serch_string_array);
// search...
if($method == 'fulltext_or')
{
if(isset($p_category) && $p_category != 0) $search_string = "category=".$p_category." AND spam=0 AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%".implode("%' OR category=".$p_category." AND spam=0 AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%",$search_array)."%'";
else $search_string = "spam=0 AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%".implode("%' OR spam=0 AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%",$search_array)."%'";
}
elseif ($method == 'tags')
{
if(isset($p_category) && $p_category != 0) $search_string = "lower(tags) LIKE '%;".implode(";%' AND lower(tags) LIKE '%",$search_array)."%' AND category=".$p_category." AND spam=0";
else $search_string = "lower(tags) LIKE '%;".implode(";%' AND lower(tags) LIKE '%;",$search_array).";%' AND spam=0";
}
else // fulltext
{
if(isset($p_category) && $p_category != 0) $search_string = "concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%".implode("%' AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%",$search_array)."%' AND category=".$p_category." AND spam=0";
else $search_string = "concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%".implode("%' AND concat(lower(subject), lower(name), lower(text), lower(tags)) LIKE '%",$search_array)."%' AND spam=0";
}
// count results:
if($search!='')
{
if($categories!=false) $count_result = mysql_query("SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE ".$search_string." AND category IN (".$category_ids_query.")", $connid);
else $count_result = mysql_query("SELECT COUNT(*) FROM ".$db_settings['forum_table']." WHERE ".$search_string, $connid);
list($search_results_count) = mysql_fetch_row($count_result);
}
else $search_results_count = 0;
$total_pages = ceil($search_results_count / $settings['search_results_per_page']);
if(isset($_GET['page'])) $page = intval($_GET['page']); else $page = 1;
if($page < 1) $page = 1;
if($page > $total_pages) $page = $total_pages;
$ul = ($page-1) * $settings['search_results_per_page'];
// data for browse navigation:
$page_browse['page'] = $page;
$page_browse['total_items'] = $search_results_count;
$page_browse['items_per_page'] = $settings['search_results_per_page'];
$page_browse['browse_array'][] = 1;
if($page > 5) $page_browse['browse_array'][] = 0;
for($browse=$page-3; $browse<$page+4; $browse++)
{
if ($browse > 1 && $browse < $total_pages) $page_browse['browse_array'][] = $browse;
}
if($page < $total_pages-4) $page_browse['browse_array'][] = 0;
if($total_pages > 1) $page_browse['browse_array'][] = $total_pages;
if($page < $total_pages) $page_browse['next_page'] = $page + 1; else $page_browse['next_page'] = 0;
if($page > 1) $page_browse['previous_page'] = $page - 1; else $page_browse['previous_page'] = 0;
$smarty->assign('page_browse',$page_browse);
if($search_results_count>0)
{
if($categories!=false)
{
$result = @mysql_query("SELECT id, pid, tid, ".$db_settings['forum_table'].".user_id, UNIX_TIMESTAMP(time) AS time, UNIX_TIMESTAMP(time + INTERVAL ".$time_difference." MINUTE) AS timestamp, UNIX_TIMESTAMP(last_reply) AS last_reply, name, user_name, subject, IF(text='',true,false) AS no_text, category, marked, sticky
FROM ".$db_settings['forum_table']."
LEFT JOIN ".$db_settings['userdata_table']." ON ".$db_settings['userdata_table'].".user_id=".$db_settings['forum_table'].".user_id
WHERE ".$search_string." AND category IN (".$category_ids_query.")
ORDER BY tid DESC, time ASC LIMIT ".$ul.", ".$settings['search_results_per_page'], $connid) or die(mysql_error());
}
else
{
$result = @mysql_query("SELECT id, pid, tid, ".$db_settings['forum_table'].".user_id, UNIX_TIMESTAMP(time) AS time, UNIX_TIMESTAMP(time + INTERVAL ".$time_difference." MINUTE) AS timestamp, UNIX_TIMESTAMP(last_reply) AS last_reply, name, user_name, subject, IF(text='',true,false) AS no_text, category, marked, sticky
FROM ".$db_settings['forum_table']."
LEFT JOIN ".$db_settings['userdata_table']." ON ".$db_settings['userdata_table'].".user_id=".$db_settings['forum_table'].".user_id
WHERE ".$search_string."
ORDER BY tid DESC, time ASC LIMIT ".$ul.", ".$settings['search_results_per_page'], $connid) or die(mysql_error());
}
$i=0;
while($row = mysql_fetch_array($result))
{
$search_results[$i]['id'] = intval($row['id']);
$search_results[$i]['pid'] = intval($row['pid']);
if($row['user_id']>0)
{
if(!$row['user_name']) $search_results[$i]['name'] = $lang['unknown_user'];
else $search_results[$i]['name'] = htmlspecialchars($row['user_name']);
}
else $search_results[$i]['name'] = htmlspecialchars($row['name']);
$search_results[$i]['subject'] = htmlspecialchars($row['subject']);
$search_results[$i]['timestamp'] = $row['timestamp'];
$search_results[$i]['no_text'] = $row['no_text'];
$search_results[$i]['formated_time'] = format_time($lang['time_format'],$row['timestamp']);
if(isset($categories[$row["category"]]) && $categories[$row['category']]!='')
{
$search_results[$i]['category']=$row["category"];
$search_results[$i]['category_name']=$categories[$row["category"]];
}
$i++;
}
mysql_free_result($result);
}
$smarty->assign('search_results_count',$search_results_count);
if(isset($search_results)) $smarty->assign('search_results',$search_results);
$smarty->assign('search',htmlspecialchars($_GET['search']));
$smarty->assign('search_encoded',urlencode($search));
$smarty->assign('p_category',$p_category);
$smarty->assign('method',$method);
}
else
{
$smarty->assign('p_category',0);
$smarty->assign('method','fulltext');
}
$smarty->assign('subnav_location','subnav_search');
$smarty->assign('subtemplate','search.inc.tpl');
$template = 'main.tpl';
?>