'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.
* What it does:
- 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.
*/
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'] = '' . $context['search_topic']['subject'] . '';
}
// 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.
* What it does:
- 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.
*/
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.
/**
* @todo Setting to add more here?
* @todo 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] = '' . $word . '';
// 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;
// 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'][] = '' . $smcFunc['htmlspecialchars']($suggestions[0]) . '';
$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 $word)
{
if (preg_match('~^\w+$~', $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.
* @todo Fix this, update it, whatever... from Display.php mainly.
* Note that the call to loadAttachmentContext() doesn't work:
* this function doesn't fulfill the pre-condition to fill $attachments global...
* So all it does is to fallback and return.
*
* What it does:
* - callback function for the results sub template.
- loads the necessary contextual data to show a search result.
*
* @param $reset = false
* @return array
*/
function prepareSearchContext($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" => ' ', '
' => "\n"));
$message['body'] = parse_bbc($message['body'], $message['smileys_enabled'], $message['id_msg']);
$message['body'] = strip_tags(strtr($message['body'], array('' => '
', '' => '
')), '
');
if ($smcFunc['strlen']($message['body']) > $charLimit)
{
if (empty($context['key_words']))
$message['body'] = $smcFunc['substr']($message['body'], 0, $charLimit) . '...';
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(' ' => ' ', '
' => "\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'] .= '...... ' . $match . ' ......';
}
}
// 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' => '' . $message['first_subject'] . '',
'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']) ? '' . $message['first_member_name'] . '' : $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' => '' . $message['last_subject'] . '',
'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']) ? '' . $message['last_member_name'] . '' : $message['last_member_name']
)
),
'board' => array(
'id' => $message['id_board'],
'name' => $message['board_name'],
'href' => $scripturl . '?board=' . $message['id_board'] . '.0',
'link' => '' . $message['board_name'] . ''
),
'category' => array(
'id' => $message['id_cat'],
'name' => $message['cat_name'],
'href' => $scripturl . '#c' . $message['id_cat'],
'link' => '' . $message['cat_name'] . ''
)
));
determineTopicClass($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') : '\$1'", $body_highlighted);
$subject_highlighted = preg_replace('/(' . preg_quote($query, '/') . ')/i' . ($context['utf8'] ? 'u' : ''), '$1', $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.
* What it does:
- callback function for usort used to sort the fulltext results.
- passes sorting duty to the current API.
*
* @param string $a
* @param string $b
* @return int
*/
function searchSort($a, $b)
{
global $searchAPI;
return $searchAPI->searchSort($a, $b);
}
?>