Mercurial > hg > vamp-website
diff forum/Sources/Search.php @ 76:e3e11437ecea website
Add forum code
| author | Chris Cannam |
|---|---|
| date | Sun, 07 Jul 2013 11:25:48 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/forum/Sources/Search.php Sun Jul 07 11:25:48 2013 +0200 @@ -0,0 +1,2105 @@ +<?php + +/** + * Simple Machines Forum (SMF) + * + * @package SMF + * @author Simple Machines http://www.simplemachines.org + * @copyright 2011 Simple Machines + * @license http://www.simplemachines.org/about/smf/license.php BSD + * + * @version 2.0 + */ + +if (!defined('SMF')) + die('Hacking attempt...'); + +/* These functions are here for searching, and they are: + + void PlushSearch1() + - shows the screen to search forum posts (action=search), and uses the + simple version if the simpleSearch setting is enabled. + - uses the main sub template of the Search template. + - uses the Search language file. + - requires the search_posts permission. + - decodes and loads search parameters given in the URL (if any). + - the form redirects to index.php?action=search2. + + void PlushSearch2() + - checks user input and searches the messages table for messages + matching the query. + - requires the search_posts permission. + - uses the results sub template of the Search template. + - uses the Search language file. + - stores the results into the search cache. + - show the results of the search query. + + array prepareSearchContext(bool reset = false) + - callback function for the results sub template. + - loads the necessary contextual data to show a search result. + + int searchSort(string $wordA, string $wordB) + - callback function for usort used to sort the fulltext results. + - passes sorting duty to the current API. +*/ + +// This defines two version types for checking the API's are compatible with this version of SMF. +$GLOBALS['search_versions'] = array( + // This is the forum version but is repeated due to some people rewriting $forum_version. + 'forum_version' => 'SMF 2.0', + // This is the minimum version of SMF that an API could have been written for to work. (strtr to stop accidentally updating version on release) + 'search_version' => strtr('SMF 2+0=Beta=2', array('+' => '.', '=' => ' ')), +); + +// Ask the user what they want to search for. +function PlushSearch1() +{ + global $txt, $scripturl, $modSettings, $user_info, $context, $smcFunc, $sourcedir; + + // Is the load average too high to allow searching just now? + if (!empty($context['load_average']) && !empty($modSettings['loadavg_search']) && $context['load_average'] >= $modSettings['loadavg_search']) + fatal_lang_error('loadavg_search_disabled', false); + + loadLanguage('Search'); + // Don't load this in XML mode. + if (!isset($_REQUEST['xml'])) + loadTemplate('Search'); + + // Check the user's permissions. + isAllowedTo('search_posts'); + + // Link tree.... + $context['linktree'][] = array( + 'url' => $scripturl . '?action=search', + 'name' => $txt['search'] + ); + + // This is hard coded maximum string length. + $context['search_string_limit'] = 100; + + $context['require_verification'] = $user_info['is_guest'] && !empty($modSettings['search_enable_captcha']) && empty($_SESSION['ss_vv_passed']); + if ($context['require_verification']) + { + require_once($sourcedir . '/Subs-Editor.php'); + $verificationOptions = array( + 'id' => 'search', + ); + $context['require_verification'] = create_control_verification($verificationOptions); + $context['visual_verification_id'] = $verificationOptions['id']; + } + + // If you got back from search2 by using the linktree, you get your original search parameters back. + if (isset($_REQUEST['params'])) + { + // Due to IE's 2083 character limit, we have to compress long search strings + $temp_params = base64_decode(str_replace(array('-', '_', '.'), array('+', '/', '='), $_REQUEST['params'])); + // Test for gzuncompress failing + $temp_params2 = @gzuncompress($temp_params); + $temp_params = explode('|"|', !empty($temp_params2) ? $temp_params2 : $temp_params); + + $context['search_params'] = array(); + foreach ($temp_params as $i => $data) + { + @list ($k, $v) = explode('|\'|', $data); + $context['search_params'][$k] = $v; + } + if (isset($context['search_params']['brd'])) + $context['search_params']['brd'] = $context['search_params']['brd'] == '' ? array() : explode(',', $context['search_params']['brd']); + } + + if (isset($_REQUEST['search'])) + $context['search_params']['search'] = un_htmlspecialchars($_REQUEST['search']); + + if (isset($context['search_params']['search'])) + $context['search_params']['search'] = $smcFunc['htmlspecialchars']($context['search_params']['search']); + if (isset($context['search_params']['userspec'])) + $context['search_params']['userspec'] = htmlspecialchars($context['search_params']['userspec']); + if (!empty($context['search_params']['searchtype'])) + $context['search_params']['searchtype'] = 2; + if (!empty($context['search_params']['minage'])) + $context['search_params']['minage'] = (int) $context['search_params']['minage']; + if (!empty($context['search_params']['maxage'])) + $context['search_params']['maxage'] = (int) $context['search_params']['maxage']; + + $context['search_params']['show_complete'] = !empty($context['search_params']['show_complete']); + $context['search_params']['subject_only'] = !empty($context['search_params']['subject_only']); + + // Load the error text strings if there were errors in the search. + if (!empty($context['search_errors'])) + { + loadLanguage('Errors'); + $context['search_errors']['messages'] = array(); + foreach ($context['search_errors'] as $search_error => $dummy) + { + if ($search_error === 'messages') + continue; + + $context['search_errors']['messages'][] = $txt['error_' . $search_error]; + } + } + + // Find all the boards this user is allowed to see. + $request = $smcFunc['db_query']('order_by_board_order', ' + SELECT b.id_cat, c.name AS cat_name, b.id_board, b.name, b.child_level + FROM {db_prefix}boards AS b + LEFT JOIN {db_prefix}categories AS c ON (c.id_cat = b.id_cat) + WHERE {query_see_board} + AND redirect = {string:empty_string}', + array( + 'empty_string' => '', + ) + ); + $context['num_boards'] = $smcFunc['db_num_rows']($request); + $context['boards_check_all'] = true; + $context['categories'] = array(); + while ($row = $smcFunc['db_fetch_assoc']($request)) + { + // This category hasn't been set up yet.. + if (!isset($context['categories'][$row['id_cat']])) + $context['categories'][$row['id_cat']] = array( + 'id' => $row['id_cat'], + 'name' => $row['cat_name'], + 'boards' => array() + ); + + // Set this board up, and let the template know when it's a child. (indent them..) + $context['categories'][$row['id_cat']]['boards'][$row['id_board']] = array( + 'id' => $row['id_board'], + 'name' => $row['name'], + 'child_level' => $row['child_level'], + 'selected' => (empty($context['search_params']['brd']) && (empty($modSettings['recycle_enable']) || $row['id_board'] != $modSettings['recycle_board']) && !in_array($row['id_board'], $user_info['ignoreboards'])) || (!empty($context['search_params']['brd']) && in_array($row['id_board'], $context['search_params']['brd'])) + ); + + // If a board wasn't checked that probably should have been ensure the board selection is selected, yo! + if (!$context['categories'][$row['id_cat']]['boards'][$row['id_board']]['selected'] && (empty($modSettings['recycle_enable']) || $row['id_board'] != $modSettings['recycle_board'])) + $context['boards_check_all'] = false; + } + $smcFunc['db_free_result']($request); + + // Now, let's sort the list of categories into the boards for templates that like that. + $temp_boards = array(); + foreach ($context['categories'] as $category) + { + $temp_boards[] = array( + 'name' => $category['name'], + 'child_ids' => array_keys($category['boards']) + ); + $temp_boards = array_merge($temp_boards, array_values($category['boards'])); + + // Include a list of boards per category for easy toggling. + $context['categories'][$category['id']]['child_ids'] = array_keys($category['boards']); + } + + $max_boards = ceil(count($temp_boards) / 2); + if ($max_boards == 1) + $max_boards = 2; + + // Now, alternate them so they can be shown left and right ;). + $context['board_columns'] = array(); + for ($i = 0; $i < $max_boards; $i++) + { + $context['board_columns'][] = $temp_boards[$i]; + if (isset($temp_boards[$i + $max_boards])) + $context['board_columns'][] = $temp_boards[$i + $max_boards]; + else + $context['board_columns'][] = array(); + } + + if (!empty($_REQUEST['topic'])) + { + $context['search_params']['topic'] = (int) $_REQUEST['topic']; + $context['search_params']['show_complete'] = true; + } + if (!empty($context['search_params']['topic'])) + { + $context['search_params']['topic'] = (int) $context['search_params']['topic']; + + $context['search_topic'] = array( + 'id' => $context['search_params']['topic'], + 'href' => $scripturl . '?topic=' . $context['search_params']['topic'] . '.0', + ); + + $request = $smcFunc['db_query']('', ' + SELECT ms.subject + FROM {db_prefix}topics AS t + INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board) + INNER JOIN {db_prefix}messages AS ms ON (ms.id_msg = t.id_first_msg) + WHERE t.id_topic = {int:search_topic_id} + AND {query_see_board}' . ($modSettings['postmod_active'] ? ' + AND t.approved = {int:is_approved_true}' : '') . ' + LIMIT 1', + array( + 'is_approved_true' => 1, + 'search_topic_id' => $context['search_params']['topic'], + ) + ); + + if ($smcFunc['db_num_rows']($request) == 0) + fatal_lang_error('topic_gone', false); + + list ($context['search_topic']['subject']) = $smcFunc['db_fetch_row']($request); + $smcFunc['db_free_result']($request); + + $context['search_topic']['link'] = '<a href="' . $context['search_topic']['href'] . '">' . $context['search_topic']['subject'] . '</a>'; + } + + // Simple or not? + $context['simple_search'] = isset($context['search_params']['advanced']) ? empty($context['search_params']['advanced']) : !empty($modSettings['simpleSearch']) && !isset($_REQUEST['advanced']); + $context['page_title'] = $txt['set_parameters']; +} + +// Gather the results and show them. +function PlushSearch2() +{ + global $scripturl, $modSettings, $sourcedir, $txt, $db_connection; + global $user_info, $context, $options, $messages_request, $boards_can; + global $excludedWords, $participants, $smcFunc, $search_versions, $searchAPI; + + if (!empty($context['load_average']) && !empty($modSettings['loadavg_search']) && $context['load_average'] >= $modSettings['loadavg_search']) + fatal_lang_error('loadavg_search_disabled', false); + + // No, no, no... this is a bit hard on the server, so don't you go prefetching it! + if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') + { + ob_end_clean(); + header('HTTP/1.1 403 Forbidden'); + die; + } + + $weight_factors = array( + 'frequency', + 'age', + 'length', + 'subject', + 'first_message', + 'sticky', + ); + + $weight = array(); + $weight_total = 0; + foreach ($weight_factors as $weight_factor) + { + $weight[$weight_factor] = empty($modSettings['search_weight_' . $weight_factor]) ? 0 : (int) $modSettings['search_weight_' . $weight_factor]; + $weight_total += $weight[$weight_factor]; + } + + // Zero weight. Weightless :P. + if (empty($weight_total)) + fatal_lang_error('search_invalid_weights'); + + // These vars don't require an interface, they're just here for tweaking. + $recentPercentage = 0.30; + $humungousTopicPosts = 200; + $maxMembersToSearch = 500; + $maxMessageResults = empty($modSettings['search_max_results']) ? 0 : $modSettings['search_max_results'] * 5; + + // Start with no errors. + $context['search_errors'] = array(); + + // Number of pages hard maximum - normally not set at all. + $modSettings['search_max_results'] = empty($modSettings['search_max_results']) ? 200 * $modSettings['search_results_per_page'] : (int) $modSettings['search_max_results']; + // Maximum length of the string. + $context['search_string_limit'] = 100; + + loadLanguage('Search'); + if (!isset($_REQUEST['xml'])) + loadTemplate('Search'); + //If we're doing XML we need to use the results template regardless really. + else + $context['sub_template'] = 'results'; + + // Are you allowed? + isAllowedTo('search_posts'); + + require_once($sourcedir . '/Display.php'); + require_once($sourcedir . '/Subs-Package.php'); + + // Search has a special database set. + db_extend('search'); + + // Load up the search API we are going to use. + $modSettings['search_index'] = empty($modSettings['search_index']) ? 'standard' : $modSettings['search_index']; + if (!file_exists($sourcedir . '/SearchAPI-' . ucwords($modSettings['search_index']) . '.php')) + fatal_lang_error('search_api_missing'); + loadClassFile('SearchAPI-' . ucwords($modSettings['search_index']) . '.php'); + + // Create an instance of the search API and check it is valid for this version of SMF. + $search_class_name = $modSettings['search_index'] . '_search'; + $searchAPI = new $search_class_name(); + if (!$searchAPI || ($searchAPI->supportsMethod('isValid') && !$searchAPI->isValid()) || !matchPackageVersion($search_versions['forum_version'], $searchAPI->min_smf_version . '-' . $searchAPI->version_compatible)) + { + // Log the error. + loadLanguage('Errors'); + log_error(sprintf($txt['search_api_not_compatible'], 'SearchAPI-' . ucwords($modSettings['search_index']) . '.php'), 'critical'); + + loadClassFile('SearchAPI-Standard.php'); + $searchAPI = new standard_search(); + } + + // $search_params will carry all settings that differ from the default search parameters. + // That way, the URLs involved in a search page will be kept as short as possible. + $search_params = array(); + + if (isset($_REQUEST['params'])) + { + // Due to IE's 2083 character limit, we have to compress long search strings + $temp_params = base64_decode(str_replace(array('-', '_', '.'), array('+', '/', '='), $_REQUEST['params'])); + // Test for gzuncompress failing + $temp_params2 = @gzuncompress($temp_params); + $temp_params = explode('|"|', (!empty($temp_params2) ? $temp_params2 : $temp_params)); + + foreach ($temp_params as $i => $data) + { + @list ($k, $v) = explode('|\'|', $data); + $search_params[$k] = $v; + } + if (isset($search_params['brd'])) + $search_params['brd'] = empty($search_params['brd']) ? array() : explode(',', $search_params['brd']); + } + + // Store whether simple search was used (needed if the user wants to do another query). + if (!isset($search_params['advanced'])) + $search_params['advanced'] = empty($_REQUEST['advanced']) ? 0 : 1; + + // 1 => 'allwords' (default, don't set as param) / 2 => 'anywords'. + if (!empty($search_params['searchtype']) || (!empty($_REQUEST['searchtype']) && $_REQUEST['searchtype'] == 2)) + $search_params['searchtype'] = 2; + + // Minimum age of messages. Default to zero (don't set param in that case). + if (!empty($search_params['minage']) || (!empty($_REQUEST['minage']) && $_REQUEST['minage'] > 0)) + $search_params['minage'] = !empty($search_params['minage']) ? (int) $search_params['minage'] : (int) $_REQUEST['minage']; + + // Maximum age of messages. Default to infinite (9999 days: param not set). + if (!empty($search_params['maxage']) || (!empty($_REQUEST['maxage']) && $_REQUEST['maxage'] < 9999)) + $search_params['maxage'] = !empty($search_params['maxage']) ? (int) $search_params['maxage'] : (int) $_REQUEST['maxage']; + + // Searching a specific topic? + if (!empty($_REQUEST['topic'])) + { + $search_params['topic'] = (int) $_REQUEST['topic']; + $search_params['show_complete'] = true; + } + elseif (!empty($search_params['topic'])) + $search_params['topic'] = (int) $search_params['topic']; + + if (!empty($search_params['minage']) || !empty($search_params['maxage'])) + { + $request = $smcFunc['db_query']('', ' + SELECT ' . (empty($search_params['maxage']) ? '0, ' : 'IFNULL(MIN(id_msg), -1), ') . (empty($search_params['minage']) ? '0' : 'IFNULL(MAX(id_msg), -1)') . ' + FROM {db_prefix}messages + WHERE 1=1' . ($modSettings['postmod_active'] ? ' + AND approved = {int:is_approved_true}' : '') . (empty($search_params['minage']) ? '' : ' + AND poster_time <= {int:timestamp_minimum_age}') . (empty($search_params['maxage']) ? '' : ' + AND poster_time >= {int:timestamp_maximum_age}'), + array( + 'timestamp_minimum_age' => empty($search_params['minage']) ? 0 : time() - 86400 * $search_params['minage'], + 'timestamp_maximum_age' => empty($search_params['maxage']) ? 0 : time() - 86400 * $search_params['maxage'], + 'is_approved_true' => 1, + ) + ); + list ($minMsgID, $maxMsgID) = $smcFunc['db_fetch_row']($request); + if ($minMsgID < 0 || $maxMsgID < 0) + $context['search_errors']['no_messages_in_time_frame'] = true; + $smcFunc['db_free_result']($request); + } + + // Default the user name to a wildcard matching every user (*). + if (!empty($search_params['userspec']) || (!empty($_REQUEST['userspec']) && $_REQUEST['userspec'] != '*')) + $search_params['userspec'] = isset($search_params['userspec']) ? $search_params['userspec'] : $_REQUEST['userspec']; + + // If there's no specific user, then don't mention it in the main query. + if (empty($search_params['userspec'])) + $userQuery = ''; + else + { + $userString = strtr($smcFunc['htmlspecialchars']($search_params['userspec'], ENT_QUOTES), array('"' => '"')); + $userString = strtr($userString, array('%' => '\%', '_' => '\_', '*' => '%', '?' => '_')); + + preg_match_all('~"([^"]+)"~', $userString, $matches); + $possible_users = array_merge($matches[1], explode(',', preg_replace('~"[^"]+"~', '', $userString))); + + for ($k = 0, $n = count($possible_users); $k < $n; $k++) + { + $possible_users[$k] = trim($possible_users[$k]); + + if (strlen($possible_users[$k]) == 0) + unset($possible_users[$k]); + } + + // Create a list of database-escaped search names. + $realNameMatches = array(); + foreach ($possible_users as $possible_user) + $realNameMatches[] = $smcFunc['db_quote']( + '{string:possible_user}', + array( + 'possible_user' => $possible_user + ) + ); + + // Retrieve a list of possible members. + $request = $smcFunc['db_query']('', ' + SELECT id_member + FROM {db_prefix}members + WHERE {raw:match_possible_users}', + array( + 'match_possible_users' => 'real_name LIKE ' . implode(' OR real_name LIKE ', $realNameMatches), + ) + ); + // Simply do nothing if there're too many members matching the criteria. + if ($smcFunc['db_num_rows']($request) > $maxMembersToSearch) + $userQuery = ''; + elseif ($smcFunc['db_num_rows']($request) == 0) + { + $userQuery = $smcFunc['db_quote']( + 'm.id_member = {int:id_member_guest} AND ({raw:match_possible_guest_names})', + array( + 'id_member_guest' => 0, + 'match_possible_guest_names' => 'm.poster_name LIKE ' . implode(' OR m.poster_name LIKE ', $realNameMatches), + ) + ); + } + else + { + $memberlist = array(); + while ($row = $smcFunc['db_fetch_assoc']($request)) + $memberlist[] = $row['id_member']; + $userQuery = $smcFunc['db_quote']( + '(m.id_member IN ({array_int:matched_members}) OR (m.id_member = {int:id_member_guest} AND ({raw:match_possible_guest_names})))', + array( + 'matched_members' => $memberlist, + 'id_member_guest' => 0, + 'match_possible_guest_names' => 'm.poster_name LIKE ' . implode(' OR m.poster_name LIKE ', $realNameMatches), + ) + ); + } + $smcFunc['db_free_result']($request); + } + + // If the boards were passed by URL (params=), temporarily put them back in $_REQUEST. + if (!empty($search_params['brd']) && is_array($search_params['brd'])) + $_REQUEST['brd'] = $search_params['brd']; + + // Ensure that brd is an array. + if (!empty($_REQUEST['brd']) && !is_array($_REQUEST['brd'])) + $_REQUEST['brd'] = strpos($_REQUEST['brd'], ',') !== false ? explode(',', $_REQUEST['brd']) : array($_REQUEST['brd']); + + // Make sure all boards are integers. + if (!empty($_REQUEST['brd'])) + foreach ($_REQUEST['brd'] as $id => $brd) + $_REQUEST['brd'][$id] = (int) $brd; + + // Special case for boards: searching just one topic? + if (!empty($search_params['topic'])) + { + $request = $smcFunc['db_query']('', ' + SELECT b.id_board + FROM {db_prefix}topics AS t + INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board) + WHERE t.id_topic = {int:search_topic_id} + AND {query_see_board}' . ($modSettings['postmod_active'] ? ' + AND t.approved = {int:is_approved_true}' : '') . ' + LIMIT 1', + array( + 'search_topic_id' => $search_params['topic'], + 'is_approved_true' => 1, + ) + ); + + if ($smcFunc['db_num_rows']($request) == 0) + fatal_lang_error('topic_gone', false); + + $search_params['brd'] = array(); + list ($search_params['brd'][0]) = $smcFunc['db_fetch_row']($request); + $smcFunc['db_free_result']($request); + } + // Select all boards you've selected AND are allowed to see. + elseif ($user_info['is_admin'] && (!empty($search_params['advanced']) || !empty($_REQUEST['brd']))) + $search_params['brd'] = empty($_REQUEST['brd']) ? array() : $_REQUEST['brd']; + else + { + $see_board = empty($search_params['advanced']) ? 'query_wanna_see_board' : 'query_see_board'; + $request = $smcFunc['db_query']('', ' + SELECT b.id_board + FROM {db_prefix}boards AS b + WHERE {raw:boards_allowed_to_see} + AND redirect = {string:empty_string}' . (empty($_REQUEST['brd']) ? (!empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? ' + AND b.id_board != {int:recycle_board_id}' : '') : ' + AND b.id_board IN ({array_int:selected_search_boards})'), + array( + 'boards_allowed_to_see' => $user_info[$see_board], + 'empty_string' => '', + 'selected_search_boards' => empty($_REQUEST['brd']) ? array() : $_REQUEST['brd'], + 'recycle_board_id' => $modSettings['recycle_board'], + ) + ); + $search_params['brd'] = array(); + while ($row = $smcFunc['db_fetch_assoc']($request)) + $search_params['brd'][] = $row['id_board']; + $smcFunc['db_free_result']($request); + + // This error should pro'bly only happen for hackers. + if (empty($search_params['brd'])) + $context['search_errors']['no_boards_selected'] = true; + } + + if (count($search_params['brd']) != 0) + { + foreach ($search_params['brd'] as $k => $v) + $search_params['brd'][$k] = (int) $v; + + // If we've selected all boards, this parameter can be left empty. + $request = $smcFunc['db_query']('', ' + SELECT COUNT(*) + FROM {db_prefix}boards + WHERE redirect = {string:empty_string}', + array( + 'empty_string' => '', + ) + ); + list ($num_boards) = $smcFunc['db_fetch_row']($request); + $smcFunc['db_free_result']($request); + + if (count($search_params['brd']) == $num_boards) + $boardQuery = ''; + elseif (count($search_params['brd']) == $num_boards - 1 && !empty($modSettings['recycle_board']) && !in_array($modSettings['recycle_board'], $search_params['brd'])) + $boardQuery = '!= ' . $modSettings['recycle_board']; + else + $boardQuery = 'IN (' . implode(', ', $search_params['brd']) . ')'; + } + else + $boardQuery = ''; + + $search_params['show_complete'] = !empty($search_params['show_complete']) || !empty($_REQUEST['show_complete']); + $search_params['subject_only'] = !empty($search_params['subject_only']) || !empty($_REQUEST['subject_only']); + + $context['compact'] = !$search_params['show_complete']; + + // Get the sorting parameters right. Default to sort by relevance descending. + $sort_columns = array( + 'relevance', + 'num_replies', + 'id_msg', + ); + if (empty($search_params['sort']) && !empty($_REQUEST['sort'])) + list ($search_params['sort'], $search_params['sort_dir']) = array_pad(explode('|', $_REQUEST['sort']), 2, ''); + $search_params['sort'] = !empty($search_params['sort']) && in_array($search_params['sort'], $sort_columns) ? $search_params['sort'] : 'relevance'; + if (!empty($search_params['topic']) && $search_params['sort'] === 'num_replies') + $search_params['sort'] = 'id_msg'; + + // Sorting direction: descending unless stated otherwise. + $search_params['sort_dir'] = !empty($search_params['sort_dir']) && $search_params['sort_dir'] == 'asc' ? 'asc' : 'desc'; + + // Determine some values needed to calculate the relevance. + $minMsg = (int) ((1 - $recentPercentage) * $modSettings['maxMsgID']); + $recentMsg = $modSettings['maxMsgID'] - $minMsg; + + // *** Parse the search query + + // Unfortunately, searching for words like this is going to be slow, so we're blacklisting them. + // !!! Setting to add more here? + // !!! Maybe only blacklist if they are the only word, or "any" is used? + $blacklisted_words = array('img', 'url', 'quote', 'www', 'http', 'the', 'is', 'it', 'are', 'if'); + + // What are we searching for? + if (empty($search_params['search'])) + { + if (isset($_GET['search'])) + $search_params['search'] = un_htmlspecialchars($_GET['search']); + elseif (isset($_POST['search'])) + $search_params['search'] = $_POST['search']; + else + $search_params['search'] = ''; + } + + // Nothing?? + if (!isset($search_params['search']) || $search_params['search'] == '') + $context['search_errors']['invalid_search_string'] = true; + // Too long? + elseif ($smcFunc['strlen']($search_params['search']) > $context['search_string_limit']) + { + $context['search_errors']['string_too_long'] = true; + $txt['error_string_too_long'] = sprintf($txt['error_string_too_long'], $context['search_string_limit']); + } + + // Change non-word characters into spaces. + $stripped_query = preg_replace('~(?:[\x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}' : "\xC2\xA0") : '\xA0') . '\t\r\s\n(){}\\[\\]<>!@$%^*.,:+=`\~\?/\\\\]+|&(?:amp|lt|gt|quot);)+~' . ($context['utf8'] ? 'u' : ''), ' ', $search_params['search']); + + // Make the query lower case. It's gonna be case insensitive anyway. + $stripped_query = un_htmlspecialchars($smcFunc['strtolower']($stripped_query)); + + // This (hidden) setting will do fulltext searching in the most basic way. + if (!empty($modSettings['search_simple_fulltext'])) + $stripped_query = strtr($stripped_query, array('"' => '')); + + $no_regexp = preg_match('~&#(?:\d{1,7}|x[0-9a-fA-F]{1,6});~', $stripped_query) === 1; + + // Extract phrase parts first (e.g. some words "this is a phrase" some more words.) + preg_match_all('/(?:^|\s)([-]?)"([^"]+)"(?:$|\s)/', $stripped_query, $matches, PREG_PATTERN_ORDER); + $phraseArray = $matches[2]; + + // Remove the phrase parts and extract the words. + $wordArray = explode(' ', preg_replace('~(?:^|\s)(?:[-]?)"(?:[^"]+)"(?:$|\s)~' . ($context['utf8'] ? 'u' : ''), ' ', $search_params['search'])); + + // A minus sign in front of a word excludes the word.... so... + $excludedWords = array(); + $excludedIndexWords = array(); + $excludedSubjectWords = array(); + $excludedPhrases = array(); + + // .. first, we check for things like -"some words", but not "-some words". + foreach ($matches[1] as $index => $word) + if ($word === '-') + { + if (($word = trim($phraseArray[$index], '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) + $excludedWords[] = $word; + unset($phraseArray[$index]); + } + + // Now we look for -test, etc.... normaller. + foreach ($wordArray as $index => $word) + if (strpos(trim($word), '-') === 0) + { + if (($word = trim($word, '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) + $excludedWords[] = $word; + unset($wordArray[$index]); + } + + // The remaining words and phrases are all included. + $searchArray = array_merge($phraseArray, $wordArray); + + // Trim everything and make sure there are no words that are the same. + foreach ($searchArray as $index => $value) + { + // Skip anything practically empty. + if (($searchArray[$index] = trim($value, '-_\' ')) === '') + unset($searchArray[$index]); + // Skip blacklisted words. Make sure to note we skipped them in case we end up with nothing. + elseif (in_array($searchArray[$index], $blacklisted_words)) + { + $foundBlackListedWords = true; + unset($searchArray[$index]); + } + // Don't allow very, very short words. + elseif ($smcFunc['strlen']($value) < 2) + { + $context['search_errors']['search_string_small_words'] = true; + unset($searchArray[$index]); + } + else + $searchArray[$index] = $searchArray[$index]; + } + $searchArray = array_slice(array_unique($searchArray), 0, 10); + + // Create an array of replacements for highlighting. + $context['mark'] = array(); + foreach ($searchArray as $word) + $context['mark'][$word] = '<strong class="highlight">' . $word . '</strong>'; + + // Initialize two arrays storing the words that have to be searched for. + $orParts = array(); + $searchWords = array(); + + // Make sure at least one word is being searched for. + if (empty($searchArray)) + $context['search_errors']['invalid_search_string' . (!empty($foundBlackListedWords) ? '_blacklist' : '')] = true; + // All words/sentences must match. + elseif (empty($search_params['searchtype'])) + $orParts[0] = $searchArray; + // Any word/sentence must match. + else + foreach ($searchArray as $index => $value) + $orParts[$index] = array($value); + + // Don't allow duplicate error messages if one string is too short. + if (isset($context['search_errors']['search_string_small_words'], $context['search_errors']['invalid_search_string'])) + unset($context['search_errors']['invalid_search_string']); + // Make sure the excluded words are in all or-branches. + foreach ($orParts as $orIndex => $andParts) + foreach ($excludedWords as $word) + $orParts[$orIndex][] = $word; + + // Determine the or-branches and the fulltext search words. + foreach ($orParts as $orIndex => $andParts) + { + $searchWords[$orIndex] = array( + 'indexed_words' => array(), + 'words' => array(), + 'subject_words' => array(), + 'all_words' => array(), + ); + + // Sort the indexed words (large words -> small words -> excluded words). + if ($searchAPI->supportsMethod('searchSort')) + usort($orParts[$orIndex], 'searchSort'); + + foreach ($orParts[$orIndex] as $word) + { + $is_excluded = in_array($word, $excludedWords); + + $searchWords[$orIndex]['all_words'][] = $word; + + $subjectWords = text2words($word); + if (!$is_excluded || count($subjectWords) === 1) + { + $searchWords[$orIndex]['subject_words'] = array_merge($searchWords[$orIndex]['subject_words'], $subjectWords); + if ($is_excluded) + $excludedSubjectWords = array_merge($excludedSubjectWords, $subjectWords); + } + else + $excludedPhrases[] = $word; + + // Have we got indexes to prepare? + if ($searchAPI->supportsMethod('prepareIndexes')) + $searchAPI->prepareIndexes($word, $searchWords[$orIndex], $excludedIndexWords, $is_excluded); + } + + // Search_force_index requires all AND parts to have at least one fulltext word. + if (!empty($modSettings['search_force_index']) && empty($searchWords[$orIndex]['indexed_words'])) + { + $context['search_errors']['query_not_specific_enough'] = true; + break; + } + elseif ($search_params['subject_only'] && empty($searchWords[$orIndex]['subject_words']) && empty($excludedSubjectWords)) + { + $context['search_errors']['query_not_specific_enough'] = true; + break; + } + + // Make sure we aren't searching for too many indexed words. + else + { + $searchWords[$orIndex]['indexed_words'] = array_slice($searchWords[$orIndex]['indexed_words'], 0, 7); + $searchWords[$orIndex]['subject_words'] = array_slice($searchWords[$orIndex]['subject_words'], 0, 7); + } + } + + // *** Spell checking + $context['show_spellchecking'] = !empty($modSettings['enableSpellChecking']) && function_exists('pspell_new'); + if ($context['show_spellchecking']) + { + // Windows fix. + ob_start(); + $old = error_reporting(0); + + pspell_new('en'); + $pspell_link = pspell_new($txt['lang_dictionary'], $txt['lang_spelling'], '', strtr($txt['lang_character_set'], array('iso-' => 'iso', 'ISO-' => 'iso')), PSPELL_FAST | PSPELL_RUN_TOGETHER); + + if (!$pspell_link) + $pspell_link = pspell_new('en', '', '', '', PSPELL_FAST | PSPELL_RUN_TOGETHER); + + error_reporting($old); + ob_end_clean(); + + $did_you_mean = array('search' => array(), 'display' => array()); + $found_misspelling = false; + foreach ($searchArray as $word) + { + if (empty($pspell_link)) + continue; + + $word = $word; + // Don't check phrases. + if (preg_match('~^\w+$~', $word) === 0) + { + $did_you_mean['search'][] = '"' . $word . '"'; + $did_you_mean['display'][] = '"' . $smcFunc['htmlspecialchars']($word) . '"'; + continue; + } + // For some strange reason spell check can crash PHP on decimals. + elseif (preg_match('~\d~', $word) === 1) + { + $did_you_mean['search'][] = $word; + $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); + continue; + } + elseif (pspell_check($pspell_link, $word)) + { + $did_you_mean['search'][] = $word; + $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); + continue; + } + + $suggestions = pspell_suggest($pspell_link, $word); + foreach ($suggestions as $i => $s) + { + // Search is case insensitive. + if ($smcFunc['strtolower']($s) == $smcFunc['strtolower']($word)) + unset($suggestions[$i]); + // Plus, don't suggest something the user thinks is rude! + elseif ($suggestions[$i] != censorText($s)) + unset($suggestions[$i]); + } + + // Anything found? If so, correct it! + if (!empty($suggestions)) + { + $suggestions = array_values($suggestions); + $did_you_mean['search'][] = $suggestions[0]; + $did_you_mean['display'][] = '<em><strong>' . $smcFunc['htmlspecialchars']($suggestions[0]) . '</strong></em>'; + $found_misspelling = true; + } + else + { + $did_you_mean['search'][] = $word; + $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); + } + } + + if ($found_misspelling) + { + // Don't spell check excluded words, but add them still... + $temp_excluded = array('search' => array(), 'display' => array()); + foreach ($excludedWords as $word) + { + $word = $word; + + if (preg_match('~^\w+$~', $word) == 0) + { + $temp_excluded['search'][] = '-"' . $word . '"'; + $temp_excluded['display'][] = '-"' . $smcFunc['htmlspecialchars']($word) . '"'; + } + else + { + $temp_excluded['search'][] = '-' . $word; + $temp_excluded['display'][] = '-' . $smcFunc['htmlspecialchars']($word); + } + } + + $did_you_mean['search'] = array_merge($did_you_mean['search'], $temp_excluded['search']); + $did_you_mean['display'] = array_merge($did_you_mean['display'], $temp_excluded['display']); + + $temp_params = $search_params; + $temp_params['search'] = implode(' ', $did_you_mean['search']); + if (isset($temp_params['brd'])) + $temp_params['brd'] = implode(',', $temp_params['brd']); + $context['params'] = array(); + foreach ($temp_params as $k => $v) + $context['did_you_mean_params'][] = $k . '|\'|' . $v; + $context['did_you_mean_params'] = base64_encode(implode('|"|', $context['did_you_mean_params'])); + $context['did_you_mean'] = implode(' ', $did_you_mean['display']); + } + } + + // Let the user adjust the search query, should they wish? + $context['search_params'] = $search_params; + if (isset($context['search_params']['search'])) + $context['search_params']['search'] = $smcFunc['htmlspecialchars']($context['search_params']['search']); + if (isset($context['search_params']['userspec'])) + $context['search_params']['userspec'] = $smcFunc['htmlspecialchars']($context['search_params']['userspec']); + + // Do we have captcha enabled? + if ($user_info['is_guest'] && !empty($modSettings['search_enable_captcha']) && empty($_SESSION['ss_vv_passed']) && (empty($_SESSION['last_ss']) || $_SESSION['last_ss'] != $search_params['search'])) + { + // If we come from another search box tone down the error... + if (!isset($_REQUEST['search_vv'])) + $context['search_errors']['need_verification_code'] = true; + else + { + require_once($sourcedir . '/Subs-Editor.php'); + $verificationOptions = array( + 'id' => 'search', + ); + $context['require_verification'] = create_control_verification($verificationOptions, true); + + if (is_array($context['require_verification'])) + { + foreach ($context['require_verification'] as $error) + $context['search_errors'][$error] = true; + } + // Don't keep asking for it - they've proven themselves worthy. + else + $_SESSION['ss_vv_passed'] = true; + } + } + + // *** Encode all search params + + // All search params have been checked, let's compile them to a single string... made less simple by PHP 4.3.9 and below. + $temp_params = $search_params; + if (isset($temp_params['brd'])) + $temp_params['brd'] = implode(',', $temp_params['brd']); + $context['params'] = array(); + foreach ($temp_params as $k => $v) + $context['params'][] = $k . '|\'|' . $v; + + if (!empty($context['params'])) + { + // Due to old IE's 2083 character limit, we have to compress long search strings + $params = @gzcompress(implode('|"|', $context['params'])); + // Gzcompress failed, use try non-gz + if (empty($params)) + $params = implode('|"|', $context['params']); + // Base64 encode, then replace +/= with uri safe ones that can be reverted + $context['params'] = str_replace(array('+', '/', '='), array('-', '_', '.'), base64_encode($params)); + } + + // ... and add the links to the link tree. + $context['linktree'][] = array( + 'url' => $scripturl . '?action=search;params=' . $context['params'], + 'name' => $txt['search'] + ); + $context['linktree'][] = array( + 'url' => $scripturl . '?action=search2;params=' . $context['params'], + 'name' => $txt['search_results'] + ); + + // *** A last error check + + // One or more search errors? Go back to the first search screen. + if (!empty($context['search_errors'])) + { + $_REQUEST['params'] = $context['params']; + return PlushSearch1(); + } + + // Spam me not, Spam-a-lot? + if (empty($_SESSION['last_ss']) || $_SESSION['last_ss'] != $search_params['search']) + spamProtection('search'); + // Store the last search string to allow pages of results to be browsed. + $_SESSION['last_ss'] = $search_params['search']; + + // *** Reserve an ID for caching the search results. + $query_params = array_merge($search_params, array( + 'min_msg_id' => isset($minMsgID) ? (int) $minMsgID : 0, + 'max_msg_id' => isset($maxMsgID) ? (int) $maxMsgID : 0, + 'memberlist' => !empty($memberlist) ? $memberlist : array(), + )); + + // Can this search rely on the API given the parameters? + if ($searchAPI->supportsMethod('searchQuery', $query_params)) + { + $participants = array(); + $searchArray = array(); + + $num_results = $searchAPI->searchQuery($query_params, $searchWords, $excludedIndexWords, $participants, $searchArray); + } + + // Update the cache if the current search term is not yet cached. + else + { + $update_cache = empty($_SESSION['search_cache']) || ($_SESSION['search_cache']['params'] != $context['params']); + if ($update_cache) + { + // Increase the pointer... + $modSettings['search_pointer'] = empty($modSettings['search_pointer']) ? 0 : (int) $modSettings['search_pointer']; + // ...and store it right off. + updateSettings(array('search_pointer' => $modSettings['search_pointer'] >= 255 ? 0 : $modSettings['search_pointer'] + 1)); + // As long as you don't change the parameters, the cache result is yours. + $_SESSION['search_cache'] = array( + 'id_search' => $modSettings['search_pointer'], + 'num_results' => -1, + 'params' => $context['params'], + ); + + // Clear the previous cache of the final results cache. + $smcFunc['db_search_query']('delete_log_search_results', ' + DELETE FROM {db_prefix}log_search_results + WHERE id_search = {int:search_id}', + array( + 'search_id' => $_SESSION['search_cache']['id_search'], + ) + ); + + if ($search_params['subject_only']) + { + // We do this to try and avoid duplicate keys on databases not supporting INSERT IGNORE. + $inserts = array(); + foreach ($searchWords as $orIndex => $words) + { + $subject_query_params = array(); + $subject_query = array( + 'from' => '{db_prefix}topics AS t', + 'inner_join' => array(), + 'left_join' => array(), + 'where' => array(), + ); + + if ($modSettings['postmod_active']) + $subject_query['where'][] = 't.approved = {int:is_approved}'; + + $numTables = 0; + $prev_join = 0; + $numSubjectResults = 0; + foreach ($words['subject_words'] as $subjectWord) + { + $numTables++; + if (in_array($subjectWord, $excludedSubjectWords)) + { + $subject_query['left_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_words_' . $numTables . '_wild}' : '= {string:subject_words_' . $numTables . '}') . ' AND subj' . $numTables . '.id_topic = t.id_topic)'; + $subject_query['where'][] = '(subj' . $numTables . '.word IS NULL)'; + } + else + { + $subject_query['inner_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.id_topic = ' . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.id_topic)'; + $subject_query['where'][] = 'subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_words_' . $numTables . '_wild}' : '= {string:subject_words_' . $numTables . '}'); + $prev_join = $numTables; + } + $subject_query_params['subject_words_' . $numTables] = $subjectWord; + $subject_query_params['subject_words_' . $numTables . '_wild'] = '%' . $subjectWord . '%'; + } + + if (!empty($userQuery)) + { + if ($subject_query['from'] != '{db_prefix}messages AS m') + { + $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_topic = t.id_topic)'; + } + $subject_query['where'][] = $userQuery; + } + if (!empty($search_params['topic'])) + $subject_query['where'][] = 't.id_topic = ' . $search_params['topic']; + if (!empty($minMsgID)) + $subject_query['where'][] = 't.id_first_msg >= ' . $minMsgID; + if (!empty($maxMsgID)) + $subject_query['where'][] = 't.id_last_msg <= ' . $maxMsgID; + if (!empty($boardQuery)) + $subject_query['where'][] = 't.id_board ' . $boardQuery; + if (!empty($excludedPhrases)) + { + if ($subject_query['from'] != '{db_prefix}messages AS m') + { + $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; + } + $count = 0; + foreach ($excludedPhrases as $phrase) + { + $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:excluded_phrases_' . $count . '}'; + $subject_query_params['excluded_phrases_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\[\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . '[[:>:]]'; + } + } + + $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_subject', + ($smcFunc['db_support_ignore'] ? ' + INSERT IGNORE INTO {db_prefix}log_search_results + (id_search, id_topic, relevance, id_msg, num_matches)' : '') . ' + SELECT + {int:id_search}, + t.id_topic, + 1000 * ( + {int:weight_frequency} / (t.num_replies + 1) + + {int:weight_age} * CASE WHEN t.id_first_msg < {int:min_msg} THEN 0 ELSE (t.id_first_msg - {int:min_msg}) / {int:recent_message} END + + {int:weight_length} * CASE WHEN t.num_replies < {int:huge_topic_posts} THEN t.num_replies / {int:huge_topic_posts} ELSE 1 END + + {int:weight_subject} + + {int:weight_sticky} * t.is_sticky + ) / {int:weight_total} AS relevance, + ' . (empty($userQuery) ? 't.id_first_msg' : 'm.id_msg') . ', + 1 + FROM ' . $subject_query['from'] . (empty($subject_query['inner_join']) ? '' : ' + INNER JOIN ' . implode(' + INNER JOIN ', $subject_query['inner_join'])) . (empty($subject_query['left_join']) ? '' : ' + LEFT JOIN ' . implode(' + LEFT JOIN ', $subject_query['left_join'])) . ' + WHERE ' . implode(' + AND ', $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : ' + LIMIT ' . ($modSettings['search_max_results'] - $numSubjectResults)), + array_merge($subject_query_params, array( + 'id_search' => $_SESSION['search_cache']['id_search'], + 'weight_age' => $weight['age'], + 'weight_frequency' => $weight['frequency'], + 'weight_length' => $weight['length'], + 'weight_sticky' => $weight['sticky'], + 'weight_subject' => $weight['subject'], + 'weight_total' => $weight_total, + 'min_msg' => $minMsg, + 'recent_message' => $recentMsg, + 'huge_topic_posts' => $humungousTopicPosts, + 'is_approved' => 1, + )) + ); + + // If the database doesn't support IGNORE to make this fast we need to do some tracking. + if (!$smcFunc['db_support_ignore']) + { + while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) + { + // No duplicates! + if (isset($inserts[$row[1]])) + continue; + + foreach ($row as $key => $value) + $inserts[$row[1]][] = (int) $row[$key]; + } + $smcFunc['db_free_result']($ignoreRequest); + $numSubjectResults = count($inserts); + } + else + $numSubjectResults += $smcFunc['db_affected_rows'](); + + if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) + break; + } + + // If there's data to be inserted for non-IGNORE databases do it here! + if (!empty($inserts)) + { + $smcFunc['db_insert']('', + '{db_prefix}log_search_results', + array('id_search' => 'int', 'id_topic' => 'int', 'relevance' => 'int', 'id_msg' => 'int', 'num_matches' => 'int'), + $inserts, + array('id_search', 'id_topic') + ); + } + + $_SESSION['search_cache']['num_results'] = $numSubjectResults; + } + else + { + $main_query = array( + 'select' => array( + 'id_search' => $_SESSION['search_cache']['id_search'], + 'relevance' => '0', + ), + 'weights' => array(), + 'from' => '{db_prefix}topics AS t', + 'inner_join' => array( + '{db_prefix}messages AS m ON (m.id_topic = t.id_topic)' + ), + 'left_join' => array(), + 'where' => array(), + 'group_by' => array(), + 'parameters' => array( + 'min_msg' => $minMsg, + 'recent_message' => $recentMsg, + 'huge_topic_posts' => $humungousTopicPosts, + 'is_approved' => 1, + ), + ); + + if (empty($search_params['topic']) && empty($search_params['show_complete'])) + { + $main_query['select']['id_topic'] = 't.id_topic'; + $main_query['select']['id_msg'] = 'MAX(m.id_msg) AS id_msg'; + $main_query['select']['num_matches'] = 'COUNT(*) AS num_matches'; + + $main_query['weights'] = array( + 'frequency' => 'COUNT(*) / (MAX(t.num_replies) + 1)', + 'age' => 'CASE WHEN MAX(m.id_msg) < {int:min_msg} THEN 0 ELSE (MAX(m.id_msg) - {int:min_msg}) / {int:recent_message} END', + 'length' => 'CASE WHEN MAX(t.num_replies) < {int:huge_topic_posts} THEN MAX(t.num_replies) / {int:huge_topic_posts} ELSE 1 END', + 'subject' => '0', + 'first_message' => 'CASE WHEN MIN(m.id_msg) = MAX(t.id_first_msg) THEN 1 ELSE 0 END', + 'sticky' => 'MAX(t.is_sticky)', + ); + + $main_query['group_by'][] = 't.id_topic'; + } + else + { + // This is outrageous! + $main_query['select']['id_topic'] = 'm.id_msg AS id_topic'; + $main_query['select']['id_msg'] = 'm.id_msg'; + $main_query['select']['num_matches'] = '1 AS num_matches'; + + $main_query['weights'] = array( + 'age' => '((m.id_msg - t.id_first_msg) / CASE WHEN t.id_last_msg = t.id_first_msg THEN 1 ELSE t.id_last_msg - t.id_first_msg END)', + 'first_message' => 'CASE WHEN m.id_msg = t.id_first_msg THEN 1 ELSE 0 END', + ); + + if (!empty($search_params['topic'])) + { + $main_query['where'][] = 't.id_topic = {int:topic}'; + $main_query['parameters']['topic'] = $search_params['topic']; + } + if (!empty($search_params['show_complete'])) + $main_query['group_by'][] = 'm.id_msg, t.id_first_msg, t.id_last_msg'; + } + + // *** Get the subject results. + $numSubjectResults = 0; + if (empty($search_params['topic'])) + { + $inserts = array(); + // Create a temporary table to store some preliminary results in. + $smcFunc['db_search_query']('drop_tmp_log_search_topics', ' + DROP TABLE IF EXISTS {db_prefix}tmp_log_search_topics', + array( + 'db_error_skip' => true, + ) + ); + $createTemporary = $smcFunc['db_search_query']('create_tmp_log_search_topics', ' + CREATE TEMPORARY TABLE {db_prefix}tmp_log_search_topics ( + id_topic mediumint(8) unsigned NOT NULL default {string:string_zero}, + PRIMARY KEY (id_topic) + ) TYPE=HEAP', + array( + 'string_zero' => '0', + 'db_error_skip' => true, + ) + ) !== false; + + // Clean up some previous cache. + if (!$createTemporary) + $smcFunc['db_search_query']('delete_log_search_topics', ' + DELETE FROM {db_prefix}log_search_topics + WHERE id_search = {int:search_id}', + array( + 'search_id' => $_SESSION['search_cache']['id_search'], + ) + ); + + foreach ($searchWords as $orIndex => $words) + { + $subject_query = array( + 'from' => '{db_prefix}topics AS t', + 'inner_join' => array(), + 'left_join' => array(), + 'where' => array(), + 'params' => array(), + ); + + $numTables = 0; + $prev_join = 0; + $count = 0; + foreach ($words['subject_words'] as $subjectWord) + { + $numTables++; + if (in_array($subjectWord, $excludedSubjectWords)) + { + if ($subject_query['from'] != '{db_prefix}messages AS m') + { + $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; + } + $subject_query['left_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_not_' . $count . '}' : '= {string:subject_not_' . $count . '}') . ' AND subj' . $numTables . '.id_topic = t.id_topic)'; + $subject_query['params']['subject_not_' . $count] = empty($modSettings['search_match_words']) ? '%' . $subjectWord . '%' : $subjectWord; + + $subject_query['where'][] = '(subj' . $numTables . '.word IS NULL)'; + $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:body_not_' . $count . '}'; + $subject_query['params']['body_not_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($subjectWord, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\[\]$.+*?|{}()])/'), array('[$1]'), $subjectWord), '\\\'') . '[[:>:]]'; + } + else + { + $subject_query['inner_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.id_topic = ' . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.id_topic)'; + $subject_query['where'][] = 'subj' . $numTables . '.word LIKE {string:subject_like_' . $count . '}'; + $subject_query['params']['subject_like_' . $count++] = empty($modSettings['search_match_words']) ? '%' . $subjectWord . '%' : $subjectWord; + $prev_join = $numTables; + } + } + + if (!empty($userQuery)) + { + if ($subject_query['from'] != '{db_prefix}messages AS m') + { + $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; + } + $subject_query['where'][] = '{raw:user_query}'; + $subject_query['params']['user_query'] = $userQuery; + } + if (!empty($search_params['topic'])) + { + $subject_query['where'][] = 't.id_topic = {int:topic}'; + $subject_query['params']['topic'] = $search_params['topic']; + } + if (!empty($minMsgID)) + { + $subject_query['where'][] = 't.id_first_msg >= {int:min_msg_id}'; + $subject_query['params']['min_msg_id'] = $minMsgID; + } + if (!empty($maxMsgID)) + { + $subject_query['where'][] = 't.id_last_msg <= {int:max_msg_id}'; + $subject_query['params']['max_msg_id'] = $maxMsgID; + } + if (!empty($boardQuery)) + { + $subject_query['where'][] = 't.id_board {raw:board_query}'; + $subject_query['params']['board_query'] = $boardQuery; + } + if (!empty($excludedPhrases)) + { + if ($subject_query['from'] != '{db_prefix}messages AS m') + { + $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; + } + $count = 0; + foreach ($excludedPhrases as $phrase) + { + $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:exclude_phrase_' . $count . '}'; + $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:exclude_phrase_' . $count . '}'; + $subject_query['params']['exclude_phrase_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\[\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . '[[:>:]]'; + } + } + + // Nothing to search for? + if (empty($subject_query['where'])) + continue; + + $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_topics', ($smcFunc['db_support_ignore'] ? ( ' + INSERT IGNORE INTO {db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics + (' . ($createTemporary ? '' : 'id_search, ') . 'id_topic)') : '') . ' + SELECT ' . ($createTemporary ? '' : $_SESSION['search_cache']['id_search'] . ', ') . 't.id_topic + FROM ' . $subject_query['from'] . (empty($subject_query['inner_join']) ? '' : ' + INNER JOIN ' . implode(' + INNER JOIN ', $subject_query['inner_join'])) . (empty($subject_query['left_join']) ? '' : ' + LEFT JOIN ' . implode(' + LEFT JOIN ', $subject_query['left_join'])) . ' + WHERE ' . implode(' + AND ', $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : ' + LIMIT ' . ($modSettings['search_max_results'] - $numSubjectResults)), + $subject_query['params'] + ); + // Don't do INSERT IGNORE? Manually fix this up! + if (!$smcFunc['db_support_ignore']) + { + while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) + { + $ind = $createTemporary ? 0 : 1; + // No duplicates! + if (isset($inserts[$row[$ind]])) + continue; + + $inserts[$row[$ind]] = $row; + } + $smcFunc['db_free_result']($ignoreRequest); + $numSubjectResults = count($inserts); + } + else + $numSubjectResults += $smcFunc['db_affected_rows'](); + + if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) + break; + } + + // Got some non-MySQL data to plonk in? + if (!empty($inserts)) + { + $smcFunc['db_insert']('', + ('{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics'), + $createTemporary ? array('id_topic' => 'int') : array('id_search' => 'int', 'id_topic' => 'int'), + $inserts, + $createTemporary ? array('id_topic') : array('id_search', 'id_topic') + ); + } + + if ($numSubjectResults !== 0) + { + $main_query['weights']['subject'] = 'CASE WHEN MAX(lst.id_topic) IS NULL THEN 0 ELSE 1 END'; + $main_query['left_join'][] = '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics AS lst ON (' . ($createTemporary ? '' : 'lst.id_search = {int:id_search} AND ') . 'lst.id_topic = t.id_topic)'; + if (!$createTemporary) + $main_query['parameters']['id_search'] = $_SESSION['search_cache']['id_search']; + } + } + + $indexedResults = 0; + // We building an index? + if ($searchAPI->supportsMethod('indexedWordQuery', $query_params)) + { + $inserts = array(); + $smcFunc['db_search_query']('drop_tmp_log_search_messages', ' + DROP TABLE IF EXISTS {db_prefix}tmp_log_search_messages', + array( + 'db_error_skip' => true, + ) + ); + + $createTemporary = $smcFunc['db_search_query']('create_tmp_log_search_messages', ' + CREATE TEMPORARY TABLE {db_prefix}tmp_log_search_messages ( + id_msg int(10) unsigned NOT NULL default {string:string_zero}, + PRIMARY KEY (id_msg) + ) TYPE=HEAP', + array( + 'string_zero' => '0', + 'db_error_skip' => true, + ) + ) !== false; + + // Clear, all clear! + if (!$createTemporary) + $smcFunc['db_search_query']('delete_log_search_messages', ' + DELETE FROM {db_prefix}log_search_messages + WHERE id_search = {int:id_search}', + array( + 'id_search' => $_SESSION['search_cache']['id_search'], + ) + ); + + foreach ($searchWords as $orIndex => $words) + { + // Search for this word, assuming we have some words! + if (!empty($words['indexed_words'])) + { + // Variables required for the search. + $search_data = array( + 'insert_into' => ($createTemporary ? 'tmp_' : '') . 'log_search_messages', + 'no_regexp' => $no_regexp, + 'max_results' => $maxMessageResults, + 'indexed_results' => $indexedResults, + 'params' => array( + 'id_search' => !$createTemporary ? $_SESSION['search_cache']['id_search'] : 0, + 'excluded_words' => $excludedWords, + 'user_query' => !empty($userQuery) ? $userQuery : '', + 'board_query' => !empty($boardQuery) ? $boardQuery : '', + 'topic' => !empty($search_params['topic']) ? $search_params['topic'] : 0, + 'min_msg_id' => !empty($minMsgID) ? $minMsgID : 0, + 'max_msg_id' => !empty($maxMsgID) ? $maxMsgID : 0, + 'excluded_phrases' => !empty($excludedPhrases) ? $excludedPhrases : array(), + 'excluded_index_words' => !empty($excludedIndexWords) ? $excludedIndexWords : array(), + 'excluded_subject_words' => !empty($excludedSubjectWords) ? $excludedSubjectWords : array(), + ), + ); + + $ignoreRequest = $searchAPI->indexedWordQuery($words, $search_data); + + if (!$smcFunc['db_support_ignore']) + { + while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) + { + // No duplicates! + if (isset($inserts[$row[0]])) + continue; + + $inserts[$row[0]] = $row; + } + $smcFunc['db_free_result']($ignoreRequest); + $indexedResults = count($inserts); + } + else + $indexedResults += $smcFunc['db_affected_rows'](); + + if (!empty($maxMessageResults) && $indexedResults >= $maxMessageResults) + break; + } + } + + // More non-MySQL stuff needed? + if (!empty($inserts)) + { + $smcFunc['db_insert']('', + '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_messages', + $createTemporary ? array('id_msg' => 'int') : array('id_msg' => 'int', 'id_search' => 'int'), + $inserts, + $createTemporary ? array('id_msg') : array('id_msg', 'id_search') + ); + } + + if (empty($indexedResults) && empty($numSubjectResults) && !empty($modSettings['search_force_index'])) + { + $context['search_errors']['query_not_specific_enough'] = true; + $_REQUEST['params'] = $context['params']; + return PlushSearch1(); + } + elseif (!empty($indexedResults)) + { + $main_query['inner_join'][] = '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_messages AS lsm ON (lsm.id_msg = m.id_msg)'; + if (!$createTemporary) + { + $main_query['where'][] = 'lsm.id_search = {int:id_search}'; + $main_query['parameters']['id_search'] = $_SESSION['search_cache']['id_search']; + } + } + } + + // Not using an index? All conditions have to be carried over. + else + { + $orWhere = array(); + $count = 0; + foreach ($searchWords as $orIndex => $words) + { + $where = array(); + foreach ($words['all_words'] as $regularWord) + { + $where[] = 'm.body' . (in_array($regularWord, $excludedWords) ? ' NOT' : '') . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:all_word_body_' . $count . '}'; + if (in_array($regularWord, $excludedWords)) + $where[] = 'm.subject NOT' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:all_word_body_' . $count . '}'; + $main_query['parameters']['all_word_body_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\[\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . '[[:>:]]'; + } + if (!empty($where)) + $orWhere[] = count($where) > 1 ? '(' . implode(' AND ', $where) . ')' : $where[0]; + } + if (!empty($orWhere)) + $main_query['where'][] = count($orWhere) > 1 ? '(' . implode(' OR ', $orWhere) . ')' : $orWhere[0]; + + if (!empty($userQuery)) + { + $main_query['where'][] = '{raw:user_query}'; + $main_query['parameters']['user_query'] = $userQuery; + } + if (!empty($search_params['topic'])) + { + $main_query['where'][] = 'm.id_topic = {int:topic}'; + $main_query['parameters']['topic'] = $search_params['topic']; + } + if (!empty($minMsgID)) + { + $main_query['where'][] = 'm.id_msg >= {int:min_msg_id}'; + $main_query['parameters']['min_msg_id'] = $minMsgID; + } + if (!empty($maxMsgID)) + { + $main_query['where'][] = 'm.id_msg <= {int:max_msg_id}'; + $main_query['parameters']['max_msg_id'] = $maxMsgID; + } + if (!empty($boardQuery)) + { + $main_query['where'][] = 'm.id_board {raw:board_query}'; + $main_query['parameters']['board_query'] = $boardQuery; + } + } + + // Did we either get some indexed results, or otherwise did not do an indexed query? + if (!empty($indexedResults) || !$searchAPI->supportsMethod('indexedWordQuery', $query_params)) + { + $relevance = '1000 * ('; + $new_weight_total = 0; + foreach ($main_query['weights'] as $type => $value) + { + $relevance .= $weight[$type] . ' * ' . $value . ' + '; + $new_weight_total += $weight[$type]; + } + $main_query['select']['relevance'] = substr($relevance, 0, -3) . ') / ' . $new_weight_total . ' AS relevance'; + + $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_no_index', ($smcFunc['db_support_ignore'] ? ( ' + INSERT IGNORE INTO ' . '{db_prefix}log_search_results + (' . implode(', ', array_keys($main_query['select'])) . ')') : '') . ' + SELECT + ' . implode(', + ', $main_query['select']) . ' + FROM ' . $main_query['from'] . (empty($main_query['inner_join']) ? '' : ' + INNER JOIN ' . implode(' + INNER JOIN ', $main_query['inner_join'])) . (empty($main_query['left_join']) ? '' : ' + LEFT JOIN ' . implode(' + LEFT JOIN ', $main_query['left_join'])) . (!empty($main_query['where']) ? ' + WHERE ' : '') . implode(' + AND ', $main_query['where']) . (empty($main_query['group_by']) ? '' : ' + GROUP BY ' . implode(', ', $main_query['group_by'])) . (empty($modSettings['search_max_results']) ? '' : ' + LIMIT ' . $modSettings['search_max_results']), + $main_query['parameters'] + ); + + // We love to handle non-good databases that don't support our ignore! + if (!$smcFunc['db_support_ignore']) + { + $inserts = array(); + while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) + { + // No duplicates! + if (isset($inserts[$row[2]])) + continue; + + foreach ($row as $key => $value) + $inserts[$row[2]][] = (int) $row[$key]; + } + $smcFunc['db_free_result']($ignoreRequest); + + // Now put them in! + if (!empty($inserts)) + { + $query_columns = array(); + foreach ($main_query['select'] as $k => $v) + $query_columns[$k] = 'int'; + + $smcFunc['db_insert']('', + '{db_prefix}log_search_results', + $query_columns, + $inserts, + array('id_search', 'id_topic') + ); + } + $_SESSION['search_cache']['num_results'] += count($inserts); + } + else + $_SESSION['search_cache']['num_results'] = $smcFunc['db_affected_rows'](); + } + + // Insert subject-only matches. + if ($_SESSION['search_cache']['num_results'] < $modSettings['search_max_results'] && $numSubjectResults !== 0) + { + $usedIDs = array_flip(empty($inserts) ? array() : array_keys($inserts)); + $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_sub_only', ($smcFunc['db_support_ignore'] ? ( ' + INSERT IGNORE INTO {db_prefix}log_search_results + (id_search, id_topic, relevance, id_msg, num_matches)') : '') . ' + SELECT + {int:id_search}, + t.id_topic, + 1000 * ( + {int:weight_frequency} / (t.num_replies + 1) + + {int:weight_age} * CASE WHEN t.id_first_msg < {int:min_msg} THEN 0 ELSE (t.id_first_msg - {int:min_msg}) / {int:recent_message} END + + {int:weight_length} * CASE WHEN t.num_replies < {int:huge_topic_posts} THEN t.num_replies / {int:huge_topic_posts} ELSE 1 END + + {int:weight_subject} + + {int:weight_sticky} * t.is_sticky + ) / {int:weight_total} AS relevance, + t.id_first_msg, + 1 + FROM {db_prefix}topics AS t + INNER JOIN {db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics AS lst ON (lst.id_topic = t.id_topic)' + . ($createTemporary ? '' : 'WHERE lst.id_search = {int:id_search}') + . (empty($modSettings['search_max_results']) ? '' : ' + LIMIT ' . ($modSettings['search_max_results'] - $_SESSION['search_cache']['num_results'])), + array( + 'id_search' => $_SESSION['search_cache']['id_search'], + 'weight_age' => $weight['age'], + 'weight_frequency' => $weight['frequency'], + 'weight_length' => $weight['frequency'], + 'weight_sticky' => $weight['frequency'], + 'weight_subject' => $weight['frequency'], + 'weight_total' => $weight_total, + 'min_msg' => $minMsg, + 'recent_message' => $recentMsg, + 'huge_topic_posts' => $humungousTopicPosts, + ) + ); + // Once again need to do the inserts if the database don't support ignore! + if (!$smcFunc['db_support_ignore']) + { + $inserts = array(); + while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) + { + // No duplicates! + if (isset($usedIDs[$row[1]])) + continue; + + $usedIDs[$row[1]] = true; + $inserts[] = $row; + } + $smcFunc['db_free_result']($ignoreRequest); + + // Now put them in! + if (!empty($inserts)) + { + $smcFunc['db_insert']('', + '{db_prefix}log_search_results', + array('id_search' => 'int', 'id_topic' => 'int', 'relevance' => 'float', 'id_msg' => 'int', 'num_matches' => 'int'), + $inserts, + array('id_search', 'id_topic') + ); + } + $_SESSION['search_cache']['num_results'] += count($inserts); + } + else + $_SESSION['search_cache']['num_results'] += $smcFunc['db_affected_rows'](); + } + else + $_SESSION['search_cache']['num_results'] = 0; + } + } + + // *** Retrieve the results to be shown on the page + $participants = array(); + $request = $smcFunc['db_search_query']('', ' + SELECT ' . (empty($search_params['topic']) ? 'lsr.id_topic' : $search_params['topic'] . ' AS id_topic') . ', lsr.id_msg, lsr.relevance, lsr.num_matches + FROM {db_prefix}log_search_results AS lsr' . ($search_params['sort'] == 'num_replies' ? ' + INNER JOIN {db_prefix}topics AS t ON (t.id_topic = lsr.id_topic)' : '') . ' + WHERE lsr.id_search = {int:id_search} + ORDER BY ' . $search_params['sort'] . ' ' . $search_params['sort_dir'] . ' + LIMIT ' . (int) $_REQUEST['start'] . ', ' . $modSettings['search_results_per_page'], + array( + 'id_search' => $_SESSION['search_cache']['id_search'], + ) + ); + while ($row = $smcFunc['db_fetch_assoc']($request)) + { + $context['topics'][$row['id_msg']] = array( + 'relevance' => round($row['relevance'] / 10, 1) . '%', + 'num_matches' => $row['num_matches'], + 'matches' => array(), + ); + // By default they didn't participate in the topic! + $participants[$row['id_topic']] = false; + } + $smcFunc['db_free_result']($request); + + $num_results = $_SESSION['search_cache']['num_results']; + } + + if (!empty($context['topics'])) + { + // Create an array for the permissions. + $boards_can = array( + 'post_reply_own' => boardsAllowedTo('post_reply_own'), + 'post_reply_any' => boardsAllowedTo('post_reply_any'), + 'mark_any_notify' => boardsAllowedTo('mark_any_notify') + ); + + // How's about some quick moderation? + if (!empty($options['display_quick_mod'])) + { + $boards_can['lock_any'] = boardsAllowedTo('lock_any'); + $boards_can['lock_own'] = boardsAllowedTo('lock_own'); + $boards_can['make_sticky'] = boardsAllowedTo('make_sticky'); + $boards_can['move_any'] = boardsAllowedTo('move_any'); + $boards_can['move_own'] = boardsAllowedTo('move_own'); + $boards_can['remove_any'] = boardsAllowedTo('remove_any'); + $boards_can['remove_own'] = boardsAllowedTo('remove_own'); + $boards_can['merge_any'] = boardsAllowedTo('merge_any'); + + $context['can_lock'] = in_array(0, $boards_can['lock_any']); + $context['can_sticky'] = in_array(0, $boards_can['make_sticky']) && !empty($modSettings['enableStickyTopics']); + $context['can_move'] = in_array(0, $boards_can['move_any']); + $context['can_remove'] = in_array(0, $boards_can['remove_any']); + $context['can_merge'] = in_array(0, $boards_can['merge_any']); + } + + // What messages are we using? + $msg_list = array_keys($context['topics']); + + // Load the posters... + $request = $smcFunc['db_query']('', ' + SELECT id_member + FROM {db_prefix}messages + WHERE id_member != {int:no_member} + AND id_msg IN ({array_int:message_list}) + LIMIT ' . count($context['topics']), + array( + 'message_list' => $msg_list, + 'no_member' => 0, + ) + ); + $posters = array(); + while ($row = $smcFunc['db_fetch_assoc']($request)) + $posters[] = $row['id_member']; + $smcFunc['db_free_result']($request); + + if (!empty($posters)) + loadMemberData(array_unique($posters)); + + // Get the messages out for the callback - select enough that it can be made to look just like Display. + $messages_request = $smcFunc['db_query']('', ' + SELECT + m.id_msg, m.subject, m.poster_name, m.poster_email, m.poster_time, m.id_member, + m.icon, m.poster_ip, m.body, m.smileys_enabled, m.modified_time, m.modified_name, + first_m.id_msg AS first_msg, first_m.subject AS first_subject, first_m.icon AS first_icon, first_m.poster_time AS first_poster_time, + first_mem.id_member AS first_member_id, IFNULL(first_mem.real_name, first_m.poster_name) AS first_member_name, + last_m.id_msg AS last_msg, last_m.poster_time AS last_poster_time, last_mem.id_member AS last_member_id, + IFNULL(last_mem.real_name, last_m.poster_name) AS last_member_name, last_m.icon AS last_icon, last_m.subject AS last_subject, + t.id_topic, t.is_sticky, t.locked, t.id_poll, t.num_replies, t.num_views, + b.id_board, b.name AS board_name, c.id_cat, c.name AS cat_name + FROM {db_prefix}messages AS m + INNER JOIN {db_prefix}topics AS t ON (t.id_topic = m.id_topic) + INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board) + INNER JOIN {db_prefix}categories AS c ON (c.id_cat = b.id_cat) + INNER JOIN {db_prefix}messages AS first_m ON (first_m.id_msg = t.id_first_msg) + INNER JOIN {db_prefix}messages AS last_m ON (last_m.id_msg = t.id_last_msg) + LEFT JOIN {db_prefix}members AS first_mem ON (first_mem.id_member = first_m.id_member) + LEFT JOIN {db_prefix}members AS last_mem ON (last_mem.id_member = first_m.id_member) + WHERE m.id_msg IN ({array_int:message_list})' . ($modSettings['postmod_active'] ? ' + AND m.approved = {int:is_approved}' : '') . ' + ORDER BY FIND_IN_SET(m.id_msg, {string:message_list_in_set}) + LIMIT {int:limit}', + array( + 'message_list' => $msg_list, + 'is_approved' => 1, + 'message_list_in_set' => implode(',', $msg_list), + 'limit' => count($context['topics']), + ) + ); + + // If there are no results that means the things in the cache got deleted, so pretend we have no topics anymore. + if ($smcFunc['db_num_rows']($messages_request) == 0) + $context['topics'] = array(); + + // If we want to know who participated in what then load this now. + if (!empty($modSettings['enableParticipation']) && !$user_info['is_guest']) + { + $result = $smcFunc['db_query']('', ' + SELECT id_topic + FROM {db_prefix}messages + WHERE id_topic IN ({array_int:topic_list}) + AND id_member = {int:current_member} + GROUP BY id_topic + LIMIT ' . count($participants), + array( + 'current_member' => $user_info['id'], + 'topic_list' => array_keys($participants), + ) + ); + while ($row = $smcFunc['db_fetch_assoc']($result)) + $participants[$row['id_topic']] = true; + $smcFunc['db_free_result']($result); + } + } + + // Now that we know how many results to expect we can start calculating the page numbers. + $context['page_index'] = constructPageIndex($scripturl . '?action=search2;params=' . $context['params'], $_REQUEST['start'], $num_results, $modSettings['search_results_per_page'], false); + + // Consider the search complete! + if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2) + cache_put_data('search_start:' . ($user_info['is_guest'] ? $user_info['ip'] : $user_info['id']), null, 90); + + $context['key_words'] = &$searchArray; + + // Setup the default topic icons... for checking they exist and the like! + $stable_icons = array('xx', 'thumbup', 'thumbdown', 'exclamation', 'question', 'lamp', 'smiley', 'angry', 'cheesy', 'grin', 'sad', 'wink', 'moved', 'recycled', 'wireless', 'clip'); + $context['icon_sources'] = array(); + foreach ($stable_icons as $icon) + $context['icon_sources'][$icon] = 'images_url'; + + $context['sub_template'] = 'results'; + $context['page_title'] = $txt['search_results']; + $context['get_topics'] = 'prepareSearchContext'; + $context['can_send_pm'] = allowedTo('pm_send'); + + $context['jump_to'] = array( + 'label' => addslashes(un_htmlspecialchars($txt['jump_to'])), + 'board_name' => addslashes(un_htmlspecialchars($txt['select_destination'])), + ); +} + +// Callback to return messages - saves memory. +// !!! Fix this, update it, whatever... from Display.php mainly. +function prepareSearchContext($reset = false) +{ + global $txt, $modSettings, $scripturl, $user_info, $sourcedir; + global $memberContext, $context, $settings, $options, $messages_request; + global $boards_can, $participants, $smcFunc; + + // Remember which message this is. (ie. reply #83) + static $counter = null; + if ($counter == null || $reset) + $counter = $_REQUEST['start'] + 1; + + // If the query returned false, bail. + if ($messages_request == false) + return false; + + // Start from the beginning... + if ($reset) + return @$smcFunc['db_data_seek']($messages_request, 0); + + // Attempt to get the next message. + $message = $smcFunc['db_fetch_assoc']($messages_request); + if (!$message) + return false; + + // Can't have an empty subject can we? + $message['subject'] = $message['subject'] != '' ? $message['subject'] : $txt['no_subject']; + + $message['first_subject'] = $message['first_subject'] != '' ? $message['first_subject'] : $txt['no_subject']; + $message['last_subject'] = $message['last_subject'] != '' ? $message['last_subject'] : $txt['no_subject']; + + // If it couldn't load, or the user was a guest.... someday may be done with a guest table. + if (!loadMemberContext($message['id_member'])) + { + // Notice this information isn't used anywhere else.... *cough guest table cough*. + $memberContext[$message['id_member']]['name'] = $message['poster_name']; + $memberContext[$message['id_member']]['id'] = 0; + $memberContext[$message['id_member']]['group'] = $txt['guest_title']; + $memberContext[$message['id_member']]['link'] = $message['poster_name']; + $memberContext[$message['id_member']]['email'] = $message['poster_email']; + } + $memberContext[$message['id_member']]['ip'] = $message['poster_ip']; + + // Do the censor thang... + censorText($message['body']); + censorText($message['subject']); + + censorText($message['first_subject']); + censorText($message['last_subject']); + + // Shorten this message if necessary. + if ($context['compact']) + { + // Set the number of characters before and after the searched keyword. + $charLimit = 50; + + $message['body'] = strtr($message['body'], array("\n" => ' ', '<br />' => "\n")); + $message['body'] = parse_bbc($message['body'], $message['smileys_enabled'], $message['id_msg']); + $message['body'] = strip_tags(strtr($message['body'], array('</div>' => '<br />', '</li>' => '<br />')), '<br>'); + + if ($smcFunc['strlen']($message['body']) > $charLimit) + { + if (empty($context['key_words'])) + $message['body'] = $smcFunc['substr']($message['body'], 0, $charLimit) . '<strong>...</strong>'; + else + { + $matchString = ''; + $force_partial_word = false; + foreach ($context['key_words'] as $keyword) + { + $keyword = preg_replace('~&#(\d{1,7}|x[0-9a-fA-F]{1,6});~e', '$GLOBALS[\'smcFunc\'][\'entity_fix\'](\'\\1\')', strtr($keyword, array('\\\'' => '\'', '&' => '&'))); + + if (preg_match('~[\'\.,/@%&;:(){}\[\]_\-+\\\\]$~', $keyword) != 0 || preg_match('~^[\'\.,/@%&;:(){}\[\]_\-+\\\\]~', $keyword) != 0) + $force_partial_word = true; + $matchString .= strtr(preg_quote($keyword, '/'), array('\*' => '.+?')) . '|'; + } + $matchString = substr($matchString, 0, -1); + + $message['body'] = un_htmlspecialchars(strtr($message['body'], array(' ' => ' ', '<br />' => "\n", '[' => '[', ']' => ']', ':' => ':', '@' => '@'))); + + if (empty($modSettings['search_method']) || $force_partial_word) + preg_match_all('/([^\s\W]{' . $charLimit . '}[\s\W]|[\s\W].{0,' . $charLimit . '}?|^)(' . $matchString . ')(.{0,' . $charLimit . '}[\s\W]|[^\s\W]{' . $charLimit . '})/is' . ($context['utf8'] ? 'u' : ''), $message['body'], $matches); + else + preg_match_all('/([^\s\W]{' . $charLimit . '}[\s\W]|[\s\W].{0,' . $charLimit . '}?[\s\W]|^)(' . $matchString . ')([\s\W].{0,' . $charLimit . '}[\s\W]|[\s\W][^\s\W]{' . $charLimit . '})/is' . ($context['utf8'] ? 'u' : ''), $message['body'], $matches); + + $message['body'] = ''; + foreach ($matches[0] as $index => $match) + { + $match = strtr(htmlspecialchars($match, ENT_QUOTES), array("\n" => ' ')); + $message['body'] .= '<strong>......</strong> ' . $match . ' <strong>......</strong>'; + } + } + + // Re-fix the international characters. + $message['body'] = preg_replace('~&#(\d{1,7}|x[0-9a-fA-F]{1,6});~e', '$GLOBALS[\'smcFunc\'][\'entity_fix\'](\'\\1\')', $message['body']); + } + } + else + { + // Run BBC interpreter on the message. + $message['body'] = parse_bbc($message['body'], $message['smileys_enabled'], $message['id_msg']); + } + + // Make sure we don't end up with a practically empty message body. + $message['body'] = preg_replace('~^(?: )+$~', '', $message['body']); + + // Sadly, we need to check the icon ain't broke. + if (empty($modSettings['messageIconChecks_disable'])) + { + if (!isset($context['icon_sources'][$message['first_icon']])) + $context['icon_sources'][$message['first_icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $message['first_icon'] . '.gif') ? 'images_url' : 'default_images_url'; + if (!isset($context['icon_sources'][$message['last_icon']])) + $context['icon_sources'][$message['last_icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $message['last_icon'] . '.gif') ? 'images_url' : 'default_images_url'; + if (!isset($context['icon_sources'][$message['icon']])) + $context['icon_sources'][$message['icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $message['icon'] . '.gif') ? 'images_url' : 'default_images_url'; + } + else + { + if (!isset($context['icon_sources'][$message['first_icon']])) + $context['icon_sources'][$message['first_icon']] = 'images_url'; + if (!isset($context['icon_sources'][$message['last_icon']])) + $context['icon_sources'][$message['last_icon']] = 'images_url'; + if (!isset($context['icon_sources'][$message['icon']])) + $context['icon_sources'][$message['icon']] = 'images_url'; + } + + // Do we have quote tag enabled? + $quote_enabled = empty($modSettings['disabledBBC']) || !in_array('quote', explode(',', $modSettings['disabledBBC'])); + + $output = array_merge($context['topics'][$message['id_msg']], array( + 'id' => $message['id_topic'], + 'is_sticky' => !empty($modSettings['enableStickyTopics']) && !empty($message['is_sticky']), + 'is_locked' => !empty($message['locked']), + 'is_poll' => $modSettings['pollMode'] == '1' && $message['id_poll'] > 0, + 'is_hot' => $message['num_replies'] >= $modSettings['hotTopicPosts'], + 'is_very_hot' => $message['num_replies'] >= $modSettings['hotTopicVeryPosts'], + 'posted_in' => !empty($participants[$message['id_topic']]), + 'views' => $message['num_views'], + 'replies' => $message['num_replies'], + 'can_reply' => in_array($message['id_board'], $boards_can['post_reply_any']) || in_array(0, $boards_can['post_reply_any']), + 'can_quote' => (in_array($message['id_board'], $boards_can['post_reply_any']) || in_array(0, $boards_can['post_reply_any'])) && $quote_enabled, + 'can_mark_notify' => in_array($message['id_board'], $boards_can['mark_any_notify']) || in_array(0, $boards_can['mark_any_notify']) && !$context['user']['is_guest'], + 'first_post' => array( + 'id' => $message['first_msg'], + 'time' => timeformat($message['first_poster_time']), + 'timestamp' => forum_time(true, $message['first_poster_time']), + 'subject' => $message['first_subject'], + 'href' => $scripturl . '?topic=' . $message['id_topic'] . '.0', + 'link' => '<a href="' . $scripturl . '?topic=' . $message['id_topic'] . '.0">' . $message['first_subject'] . '</a>', + 'icon' => $message['first_icon'], + 'icon_url' => $settings[$context['icon_sources'][$message['first_icon']]] . '/post/' . $message['first_icon'] . '.gif', + 'member' => array( + 'id' => $message['first_member_id'], + 'name' => $message['first_member_name'], + 'href' => !empty($message['first_member_id']) ? $scripturl . '?action=profile;u=' . $message['first_member_id'] : '', + 'link' => !empty($message['first_member_id']) ? '<a href="' . $scripturl . '?action=profile;u=' . $message['first_member_id'] . '" title="' . $txt['profile_of'] . ' ' . $message['first_member_name'] . '">' . $message['first_member_name'] . '</a>' : $message['first_member_name'] + ) + ), + 'last_post' => array( + 'id' => $message['last_msg'], + 'time' => timeformat($message['last_poster_time']), + 'timestamp' => forum_time(true, $message['last_poster_time']), + 'subject' => $message['last_subject'], + 'href' => $scripturl . '?topic=' . $message['id_topic'] . ($message['num_replies'] == 0 ? '.0' : '.msg' . $message['last_msg']) . '#msg' . $message['last_msg'], + 'link' => '<a href="' . $scripturl . '?topic=' . $message['id_topic'] . ($message['num_replies'] == 0 ? '.0' : '.msg' . $message['last_msg']) . '#msg' . $message['last_msg'] . '">' . $message['last_subject'] . '</a>', + 'icon' => $message['last_icon'], + 'icon_url' => $settings[$context['icon_sources'][$message['last_icon']]] . '/post/' . $message['last_icon'] . '.gif', + 'member' => array( + 'id' => $message['last_member_id'], + 'name' => $message['last_member_name'], + 'href' => !empty($message['last_member_id']) ? $scripturl . '?action=profile;u=' . $message['last_member_id'] : '', + 'link' => !empty($message['last_member_id']) ? '<a href="' . $scripturl . '?action=profile;u=' . $message['last_member_id'] . '" title="' . $txt['profile_of'] . ' ' . $message['last_member_name'] . '">' . $message['last_member_name'] . '</a>' : $message['last_member_name'] + ) + ), + 'board' => array( + 'id' => $message['id_board'], + 'name' => $message['board_name'], + 'href' => $scripturl . '?board=' . $message['id_board'] . '.0', + 'link' => '<a href="' . $scripturl . '?board=' . $message['id_board'] . '.0">' . $message['board_name'] . '</a>' + ), + 'category' => array( + 'id' => $message['id_cat'], + 'name' => $message['cat_name'], + 'href' => $scripturl . '#c' . $message['id_cat'], + 'link' => '<a href="' . $scripturl . '#c' . $message['id_cat'] . '">' . $message['cat_name'] . '</a>' + ) + )); + determineTopicClass($output); + + if ($output['posted_in']) + $output['class'] = 'my_' . $output['class']; + + $body_highlighted = $message['body']; + $subject_highlighted = $message['subject']; + + if (!empty($options['display_quick_mod'])) + { + $started = $output['first_post']['member']['id'] == $user_info['id']; + + $output['quick_mod'] = array( + 'lock' => in_array(0, $boards_can['lock_any']) || in_array($output['board']['id'], $boards_can['lock_any']) || ($started && (in_array(0, $boards_can['lock_own']) || in_array($output['board']['id'], $boards_can['lock_own']))), + 'sticky' => (in_array(0, $boards_can['make_sticky']) || in_array($output['board']['id'], $boards_can['make_sticky'])) && !empty($modSettings['enableStickyTopics']), + 'move' => in_array(0, $boards_can['move_any']) || in_array($output['board']['id'], $boards_can['move_any']) || ($started && (in_array(0, $boards_can['move_own']) || in_array($output['board']['id'], $boards_can['move_own']))), + 'remove' => in_array(0, $boards_can['remove_any']) || in_array($output['board']['id'], $boards_can['remove_any']) || ($started && (in_array(0, $boards_can['remove_own']) || in_array($output['board']['id'], $boards_can['remove_own']))), + ); + + $context['can_lock'] |= $output['quick_mod']['lock']; + $context['can_sticky'] |= $output['quick_mod']['sticky']; + $context['can_move'] |= $output['quick_mod']['move']; + $context['can_remove'] |= $output['quick_mod']['remove']; + $context['can_merge'] |= in_array($output['board']['id'], $boards_can['merge_any']); + + // If we've found a message we can move, and we don't already have it, load the destinations. + if ($options['display_quick_mod'] == 1 && !isset($context['move_to_boards']) && $context['can_move']) + { + require_once($sourcedir . '/Subs-MessageIndex.php'); + $boardListOptions = array( + 'use_permissions' => true, + 'not_redirection' => true, + 'selected_board' => empty($_SESSION['move_to_topic']) ? null : $_SESSION['move_to_topic'], + ); + $context['move_to_boards'] = getBoardList($boardListOptions); + } + } + + foreach ($context['key_words'] as $query) + { + // Fix the international characters in the keyword too. + $query = strtr($smcFunc['htmlspecialchars']($query), array('\\\'' => '\'')); + + $body_highlighted = preg_replace('/((<[^>]*)|' . preg_quote(strtr($query, array('\'' => ''')), '/') . ')/ie' . ($context['utf8'] ? 'u' : ''), "'\$2' == '\$1' ? stripslashes('\$1') : '<strong class=\"highlight\">\$1</strong>'", $body_highlighted); + $subject_highlighted = preg_replace('/(' . preg_quote($query, '/') . ')/i' . ($context['utf8'] ? 'u' : ''), '<strong class="highlight">$1</strong>', $subject_highlighted); + } + + $output['matches'][] = array( + 'id' => $message['id_msg'], + 'attachment' => loadAttachmentContext($message['id_msg']), + 'alternate' => $counter % 2, + 'member' => &$memberContext[$message['id_member']], + 'icon' => $message['icon'], + 'icon_url' => $settings[$context['icon_sources'][$message['icon']]] . '/post/' . $message['icon'] . '.gif', + 'subject' => $message['subject'], + 'subject_highlighted' => $subject_highlighted, + 'time' => timeformat($message['poster_time']), + 'timestamp' => forum_time(true, $message['poster_time']), + 'counter' => $counter, + 'modified' => array( + 'time' => timeformat($message['modified_time']), + 'timestamp' => forum_time(true, $message['modified_time']), + 'name' => $message['modified_name'] + ), + 'body' => $message['body'], + 'body_highlighted' => $body_highlighted, + 'start' => 'msg' . $message['id_msg'] + ); + $counter++; + + return $output; +} + +// This function compares the length of two strings plus a little. +function searchSort($a, $b) +{ + global $searchAPI; + + return $searchAPI->searchSort($a, $b); +} + +?> \ No newline at end of file