query('SELECT search_data FROM '.$db->prefix.'search_cache WHERE id='.$search_id.' AND ident=\''.$db->escape($ident).'\'') or error('Unable to fetch search results', __FILE__, __LINE__, $db->error());
if ($row = $db->fetch_assoc($result))
{
$temp = unserialize($row['search_data']);
$search_ids = unserialize($temp['search_ids']);
$num_hits = $temp['num_hits'];
$sort_by = $temp['sort_by'];
$sort_dir = $temp['sort_dir'];
$show_as = $temp['show_as'];
$search_type = $temp['search_type'];
unset($temp);
}
else
message($lang_search['No hits']);
}
else
{
$keyword_results = $author_results = array();
// Search a specific forum?
$forum_sql = (!empty($forums) || (empty($forums) && $pun_config['o_search_all_forums'] == '0' && !$pun_user['is_admmod'])) ? ' AND t.forum_id IN ('.implode(',', $forums).')' : '';
if (!empty($author) || !empty($keywords))
{
// Flood protection
if ($pun_user['last_search'] && (time() - $pun_user['last_search']) < $pun_user['g_search_flood'] && (time() - $pun_user['last_search']) >= 0)
message(sprintf($lang_search['Search flood'], $pun_user['g_search_flood'], $pun_user['g_search_flood'] - (time() - $pun_user['last_search'])));
if (!$pun_user['is_guest'])
$db->query('UPDATE '.$db->prefix.'users SET last_search='.time().' WHERE id='.$pun_user['id']) or error('Unable to update user', __FILE__, __LINE__, $db->error());
else
$db->query('UPDATE '.$db->prefix.'online SET last_search='.time().' WHERE ident=\''.$db->escape(get_remote_address()).'\'' ) or error('Unable to update user', __FILE__, __LINE__, $db->error());
switch ($sort_by)
{
case 1:
$sort_by_sql = ($show_as == 'topics') ? 't.poster' : 'p.poster';
$sort_type = SORT_STRING;
break;
case 2:
$sort_by_sql = 't.subject';
$sort_type = SORT_STRING;
break;
case 3:
$sort_by_sql = 't.forum_id';
$sort_type = SORT_NUMERIC;
break;
case 4:
$sort_by_sql = 't.last_post';
$sort_type = SORT_NUMERIC;
break;
default:
$sort_by_sql = ($show_as == 'topics') ? 't.last_post' : 'p.posted';
$sort_type = SORT_NUMERIC;
break;
}
// If it's a search for keywords
if ($keywords)
{
// split the keywords into words
$keywords_array = split_words($keywords, true);
if (empty($keywords_array))
message($lang_search['No hits']);
// Should we search in message body or topic subject specifically?
$search_in_cond = ($search_in) ? (($search_in > 0) ? ' AND m.subject_match = 0' : ' AND m.subject_match = 1') : '';
$word_count = 0;
$match_type = 'and';
$sort_data = array();
foreach ($keywords_array as $cur_word)
{
switch ($cur_word)
{
case 'and':
case 'or':
case 'not':
$match_type = $cur_word;
break;
default:
{
if (is_cjk($cur_word))
{
$where_cond = str_replace('*', '%', $cur_word);
$where_cond = ($search_in ? (($search_in > 0) ? 'p.message LIKE \'%'.$db->escape($where_cond).'%\'' : 't.subject LIKE \'%'.$db->escape($where_cond).'%\'') : 'p.message LIKE \'%'.$db->escape($where_cond).'%\' OR t.subject LIKE \'%'.$db->escape($where_cond).'%\'');
$result = $db->query('SELECT p.id AS post_id, p.topic_id, '.$sort_by_sql.' AS sort_by FROM '.$db->prefix.'posts AS p INNER JOIN '.$db->prefix.'topics AS t ON t.id=p.topic_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE ('.$where_cond.') AND (fp.read_forum IS NULL OR fp.read_forum=1)'.$forum_sql, true) or error('Unable to search for posts', __FILE__, __LINE__, $db->error());
}
else
$result = $db->query('SELECT m.post_id, p.topic_id, '.$sort_by_sql.' AS sort_by FROM '.$db->prefix.'search_words AS w INNER JOIN '.$db->prefix.'search_matches AS m ON m.word_id = w.id INNER JOIN '.$db->prefix.'posts AS p ON p.id=m.post_id INNER JOIN '.$db->prefix.'topics AS t ON t.id=p.topic_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE w.word LIKE \''.$db->escape(str_replace('*', '%', $cur_word)).'\''.$search_in_cond.' AND (fp.read_forum IS NULL OR fp.read_forum=1)'.$forum_sql, true) or error('Unable to search for posts', __FILE__, __LINE__, $db->error());
$row = array();
while ($temp = $db->fetch_assoc($result))
{
$row[$temp['post_id']] = $temp['topic_id'];
if (!$word_count)
{
$keyword_results[$temp['post_id']] = $temp['topic_id'];
$sort_data[$temp['post_id']] = $temp['sort_by'];
}
else if ($match_type == 'or')
{
$keyword_results[$temp['post_id']] = $temp['topic_id'];
$sort_data[$temp['post_id']] = $temp['sort_by'];
}
else if ($match_type == 'not')
{
unset($keyword_results[$temp['post_id']]);
unset($sort_data[$temp['post_id']]);
}
}
if ($match_type == 'and' && $word_count)
{
foreach ($keyword_results as $post_id => $topic_id)
{
if (!isset($row[$post_id]))
{
unset($keyword_results[$post_id]);
unset($sort_data[$post_id]);
}
}
}
++$word_count;
$db->free_result($result);
break;
}
}
}
// Sort the results - annoyingly array_multisort re-indexes arrays with numeric keys, so we need to split the keys out into a separate array then combine them again after
$post_ids = array_keys($keyword_results);
$topic_ids = array_values($keyword_results);
array_multisort(array_values($sort_data), $sort_dir == 'DESC' ? SORT_DESC : SORT_ASC, $sort_type, $post_ids, $topic_ids);
// combine the arrays back into a key=>value array (array_combine is PHP5 only unfortunately)
$num_results = count($keyword_results);
$keyword_results = array();
for ($i = 0;$i < $num_results;$i++)
$keyword_results[$post_ids[$i]] = $topic_ids[$i];
unset($sort_data, $post_ids, $topic_ids);
}
// If it's a search for author name (and that author name isn't Guest)
if ($author && $author != 'guest' && $author != utf8_strtolower($lang_common['Guest']))
{
switch ($db_type)
{
case 'pgsql':
$result = $db->query('SELECT id FROM '.$db->prefix.'users WHERE username ILIKE \''.$db->escape($author).'\'') or error('Unable to fetch users', __FILE__, __LINE__, $db->error());
break;
default:
$result = $db->query('SELECT id FROM '.$db->prefix.'users WHERE username LIKE \''.$db->escape($author).'\'') or error('Unable to fetch users', __FILE__, __LINE__, $db->error());
break;
}
if ($db->num_rows($result))
{
$user_ids = array();
while ($row = $db->fetch_row($result))
$user_ids[] = $row[0];
$result = $db->query('SELECT p.id AS post_id, p.topic_id FROM '.$db->prefix.'posts AS p INNER JOIN '.$db->prefix.'topics AS t ON t.id=p.topic_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND p.poster_id IN('.implode(',', $user_ids).')'.$forum_sql.' ORDER BY '.$sort_by_sql.' '.$sort_dir) or error('Unable to fetch matched posts list', __FILE__, __LINE__, $db->error());
while ($temp = $db->fetch_assoc($result))
$author_results[$temp['post_id']] = $temp['topic_id'];
$db->free_result($result);
}
}
// If we searched for both keywords and author name we want the intersection between the results
if ($author && $keywords)
{
$search_ids = array_intersect_assoc($keyword_results, $author_results);
$search_type = array('both', array($keywords, pun_trim($_GET['author'])), implode(',', $forums), $search_in);
}
else if ($keywords)
{
$search_ids = $keyword_results;
$search_type = array('keywords', $keywords, implode(',', $forums), $search_in);
}
else
{
$search_ids = $author_results;
$search_type = array('author', pun_trim($_GET['author']), implode(',', $forums), $search_in);
}
unset($keyword_results, $author_results);
if ($show_as == 'topics')
$search_ids = array_values($search_ids);
else
$search_ids = array_keys($search_ids);
$search_ids = array_unique($search_ids);
$num_hits = count($search_ids);
if (!$num_hits)
message($lang_search['No hits']);
}
else if ($action == 'show_new' || $action == 'show_recent' || $action == 'show_replies' || $action == 'show_user_posts' || $action == 'show_user_topics' || $action == 'show_subscriptions' || $action == 'show_unanswered')
{
$search_type = array('action', $action);
$show_as = 'topics';
// We want to sort things after last post
$sort_by = 0;
$sort_dir = 'DESC';
// If it's a search for new posts since last visit
if ($action == 'show_new')
{
if ($pun_user['is_guest'])
message($lang_common['No permission'], false, '403 Forbidden');
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.last_post>'.$pun_user['last_visit'].' AND t.moved_to IS NULL'.(isset($_GET['fid']) ? ' AND t.forum_id='.intval($_GET['fid']) : '').' ORDER BY t.last_post DESC') or error('Unable to fetch topic list', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No new posts']);
}
// If it's a search for recent posts (in a certain time interval)
else if ($action == 'show_recent')
{
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.last_post>'.(time() - $interval).' AND t.moved_to IS NULL'.(isset($_GET['fid']) ? ' AND t.forum_id='.intval($_GET['fid']) : '').' ORDER BY t.last_post DESC') or error('Unable to fetch topic list', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No recent posts']);
}
// If it's a search for topics in which the user has posted
else if ($action == 'show_replies')
{
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'posts AS p ON t.id=p.topic_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND p.poster_id='.$pun_user['id'].' GROUP BY t.id'.($db_type == 'pgsql' ? ', t.last_post' : '').' ORDER BY t.last_post DESC') or error('Unable to fetch topic list', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No user posts']);
}
// If it's a search for posts by a specific user ID
else if ($action == 'show_user_posts')
{
$show_as = 'posts';
$result = $db->query('SELECT p.id FROM '.$db->prefix.'posts AS p INNER JOIN '.$db->prefix.'topics AS t ON p.topic_id=t.id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND p.poster_id='.$user_id.' ORDER BY p.posted DESC') or error('Unable to fetch user posts', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No user posts']);
// Pass on the user ID so that we can later know whose posts we're searching for
$search_type[2] = $user_id;
}
// If it's a search for topics by a specific user ID
else if ($action == 'show_user_topics')
{
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'posts AS p ON t.first_post_id=p.id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND p.poster_id='.$user_id.' ORDER BY t.last_post DESC') or error('Unable to fetch user topics', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No user topics']);
// Pass on the user ID so that we can later know whose topics we're searching for
$search_type[2] = $user_id;
}
// If it's a search for subscribed topics
else if ($action == 'show_subscriptions')
{
if ($pun_user['is_guest'])
message($lang_common['Bad request'], false, '404 Not Found');
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'topic_subscriptions AS s ON (t.id=s.topic_id AND s.user_id='.$user_id.') LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) ORDER BY t.last_post DESC') or error('Unable to fetch topic list', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No subscriptions']);
// Pass on user ID so that we can later know whose subscriptions we're searching for
$search_type[2] = $user_id;
}
// If it's a search for unanswered posts
else
{
$result = $db->query('SELECT t.id FROM '.$db->prefix.'topics AS t LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=t.forum_id AND fp.group_id='.$pun_user['g_id'].') WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.num_replies=0 AND t.moved_to IS NULL ORDER BY t.last_post DESC') or error('Unable to fetch topic list', __FILE__, __LINE__, $db->error());
$num_hits = $db->num_rows($result);
if (!$num_hits)
message($lang_search['No unanswered']);
}
$search_ids = array();
while ($row = $db->fetch_row($result))
$search_ids[] = $row[0];
$db->free_result($result);
}
else
message($lang_common['Bad request'], false, '404 Not Found');
// Prune "old" search results
$old_searches = array();
$result = $db->query('SELECT ident FROM '.$db->prefix.'online') or error('Unable to fetch online list', __FILE__, __LINE__, $db->error());
if ($db->num_rows($result))
{
while ($row = $db->fetch_row($result))
$old_searches[] = '\''.$db->escape($row[0]).'\'';
$db->query('DELETE FROM '.$db->prefix.'search_cache WHERE ident NOT IN('.implode(',', $old_searches).')') or error('Unable to delete search results', __FILE__, __LINE__, $db->error());
}
// Fill an array with our results and search properties
$temp = serialize(array(
'search_ids' => serialize($search_ids),
'num_hits' => $num_hits,
'sort_by' => $sort_by,
'sort_dir' => $sort_dir,
'show_as' => $show_as,
'search_type' => $search_type
));
$search_id = mt_rand(1, 2147483647);
$ident = ($pun_user['is_guest']) ? get_remote_address() : $pun_user['username'];
$db->query('INSERT INTO '.$db->prefix.'search_cache (id, ident, search_data) VALUES('.$search_id.', \''.$db->escape($ident).'\', \''.$db->escape($temp).'\')') or error('Unable to insert search results', __FILE__, __LINE__, $db->error());
if ($search_type[0] != 'action')
{
$db->end_transaction();
$db->close();
// Redirect the user to the cached result page
header('Location: search.php?search_id='.$search_id);
exit;
}
}
$forum_actions = array();
// If we're on the new posts search, display a "mark all as read" link
if (!$pun_user['is_guest'] && $search_type[0] == 'action' && $search_type[1] == 'show_new')
$forum_actions[] = ''.$lang_common['Mark all as read'].'';
// Fetch results to display
if (!empty($search_ids))
{
switch ($sort_by)
{
case 1:
$sort_by_sql = ($show_as == 'topics') ? 't.poster' : 'p.poster';
break;
case 2:
$sort_by_sql = 't.subject';
break;
case 3:
$sort_by_sql = 't.forum_id';
break;
default:
$sort_by_sql = ($show_as == 'topics') ? 't.last_post' : 'p.posted';
break;
}
// Determine the topic or post offset (based on $_GET['p'])
$per_page = ($show_as == 'posts') ? $pun_user['disp_posts'] : $pun_user['disp_topics'];
$num_pages = ceil($num_hits / $per_page);
$p = (!isset($_GET['p']) || $_GET['p'] <= 1 || $_GET['p'] > $num_pages) ? 1 : intval($_GET['p']);
$start_from = $per_page * ($p - 1);
// Generate paging links
$paging_links = ''.$lang_common['Pages'].' '.paginate($num_pages, $p, 'search.php?search_id='.$search_id);
// throw away the first $start_from of $search_ids, only keep the top $per_page of $search_ids
$search_ids = array_slice($search_ids, $start_from, $per_page);
// Run the query and fetch the results
if ($show_as == 'posts')
$result = $db->query('SELECT p.id AS pid, p.poster AS pposter, p.posted AS pposted, p.poster_id, p.message, p.hide_smilies, t.id AS tid, t.poster, t.subject, t.first_post_id, t.last_post, t.last_post_id, t.last_poster, t.num_replies, t.forum_id, f.forum_name FROM '.$db->prefix.'posts AS p INNER JOIN '.$db->prefix.'topics AS t ON t.id=p.topic_id INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id WHERE p.id IN('.implode(',', $search_ids).') ORDER BY '.$sort_by_sql.' '.$sort_dir) or error('Unable to fetch search results', __FILE__, __LINE__, $db->error());
else
$result = $db->query('SELECT t.id AS tid, t.poster, t.subject, t.last_post, t.last_post_id, t.last_poster, t.num_replies, t.closed, t.sticky, t.forum_id, f.forum_name FROM '.$db->prefix.'topics AS t INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id WHERE t.id IN('.implode(',', $search_ids).') ORDER BY '.$sort_by_sql.' '.$sort_dir) or error('Unable to fetch search results', __FILE__, __LINE__, $db->error());
$search_set = array();
while ($row = $db->fetch_assoc($result))
$search_set[] = $row;
$crumbs_text = array();
$crumbs_text['show_as'] = $lang_search['Search'];
if ($search_type[0] == 'action')
{
if ($search_type[1] == 'show_user_topics')
$crumbs_text['search_type'] = ''.sprintf($lang_search['Quick search show_user_topics'], pun_htmlspecialchars($search_set[0]['poster'])).'';
else if ($search_type[1] == 'show_user_posts')
$crumbs_text['search_type'] = ''.sprintf($lang_search['Quick search show_user_posts'], pun_htmlspecialchars($search_set[0]['pposter'])).'';
else if ($search_type[1] == 'show_subscriptions')
{
// Fetch username of subscriber
$subscriber_id = $search_type[2];
$result = $db->query('SELECT username FROM '.$db->prefix.'users WHERE id='.$subscriber_id) or error('Unable to fetch username of subscriber', __FILE__, __LINE__, $db->error());
if ($db->num_rows($result))
$subscriber_name = $db->result($result);
else
message($lang_common['Bad request'], false, '404 Not Found');
$crumbs_text['search_type'] = ''.sprintf($lang_search['Quick search show_subscriptions'], pun_htmlspecialchars($subscriber_name)).'';
}
else
$crumbs_text['search_type'] = ''.$lang_search['Quick search '.$search_type[1]].'';
}
else
{
$keywords = $author = '';
if ($search_type[0] == 'both')
{
list ($keywords, $author) = $search_type[1];
$crumbs_text['search_type'] = sprintf($lang_search['By both show as '.$show_as], pun_htmlspecialchars($keywords), pun_htmlspecialchars($author));
}
else if ($search_type[0] == 'keywords')
{
$keywords = $search_type[1];
$crumbs_text['search_type'] = sprintf($lang_search['By keywords show as '.$show_as], pun_htmlspecialchars($keywords));
}
else if ($search_type[0] == 'author')
{
$author = $search_type[1];
$crumbs_text['search_type'] = sprintf($lang_search['By user show as '.$show_as], pun_htmlspecialchars($author));
}
$crumbs_text['search_type'] = ''.$crumbs_text['search_type'].'';
}
$page_title = array(pun_htmlspecialchars($pun_config['o_board_title']), $lang_search['Search results']);
define('PUN_ACTIVE_PAGE', 'search');
require PUN_ROOT.'header.php';
?>