/**
* Kicks off the appropriate search(es)
*
* Initiates the search engine and returns HTML formatted
* results. It also provides support to plugins using a
* search API.
*
* @author Sami Barakat <s.m.barakat AT gmail DOT com>
* @access public
* @return string HTML output for search results
*
*/
function doSearch()
{
global $_CONF, $LANG01, $LANG09, $LANG31, $_TABLES, $_USER;
$debug_info = '';
$retval = '';
$list_top = '';
// Verify current user can perform requested search
if (!$this->_isSearchAllowed()) {
return $this->_getAccessDeniedMessage();
}
// Make sure there is a query string
// Full text searches have a minimum word length of 3 by default
if (empty($this->_query)) {
if ((empty($this->_author) || $this->_author == 0) && (empty($this->_type) || $this->_type == 'all') && (empty($this->_topic) || $this->_topic == 'all') && (empty($this->_dateStart) || empty($this->_dateEnd))) {
$retval = $this->showForm();
$retval .= '<div style="margin-bottom:5px;border-bottom:1px solid #ccc;"></div><p>' . $LANG09[41] . '</p>' . LB;
return $retval;
}
} elseif (strlen($this->_query) < 3) {
$retval = $this->showForm();
$retval .= '<div style="margin-bottom:5px;border-bottom:1px solid #ccc;"></div><p>' . $LANG09[41] . '</p>' . LB;
return $retval;
}
// Build the URL strings
$this->_searchURL = $_CONF['site_url'] . '/search.php?query=' . urlencode($this->_query) . (!empty($this->_keyType) ? '&keyType=' . urlencode($this->_keyType) : '') . (!empty($this->_dateStart) ? '&datestart=' . urlencode($this->_dateStart) : '') . (!empty($this->_dateEnd) ? '&dateend=' . urlencode($this->_dateEnd) : '') . (!empty($this->_topic) ? '&topic=' . urlencode($this->_topic) : '') . (!empty($this->_author) ? '&author=' . urlencode($this->_author) : '') . (!empty($this->_searchDays) ? '&st=' . urlencode($this->_searchDays) : '');
$url = "{$this->_searchURL}&type={$this->_type}&mode=";
$obj = new ListFactory($url . 'search', $_CONF['search_limits'], $_CONF['num_search_results']);
$obj->setField('ID', 'id', false);
$obj->setField('URL', 'url', false);
$show_num = $_CONF['search_show_num'];
$show_type = $_CONF['search_show_type'];
$show_user = $_CONF['search_show_user'];
$show_hits = $_CONF['search_show_hits'];
$style = isset($_CONF['search_style']) ? $_CONF['search_style'] : 'google';
if (!COM_isAnonUser()) {
$userStyle = DB_getItem($_TABLES['userprefs'], 'search_result_format', 'uid=' . (int) $_USER['uid']);
if ($userStyle != '') {
$style = $userStyle;
}
}
if ($style == 'table') {
$obj->setStyle('table');
// Title Name Display Sort Format
$obj->setField($LANG09[62], ROW_NUMBER, $show_num, false, '<b>%d.</b>');
$obj->setField($LANG09[5], SQL_TITLE, $show_type, true, '<b>%s</b>');
$obj->setField($LANG09[16], 'title', true, true);
$obj->setField($LANG09[63], 'description', true, false);
$obj->setField($LANG09[17], 'date', true, true);
$obj->setField($LANG09[18], 'uid', $show_user, true);
$obj->setField($LANG09[50], 'hits', $show_hits, true);
$this->_wordlength = 7;
} else {
if ($style == 'google') {
$obj->setStyle('inline');
$obj->setField('', ROW_NUMBER, $show_num, false, '<span style="font-size:larger; font-weight:bold;">%d.</span>');
$obj->setField($LANG09[16], 'title', true, true, '<span style="font-size:larger; font-weight:bold;">%s</span><br/>');
$obj->setField('', 'description', true, false, '%s<br/>');
$obj->setField('', '_html', true, false, '<span style="color:green;">');
$obj->setField($LANG09[18], 'uid', $show_user, true, $LANG01[104] . ' %s ');
$obj->setField($LANG09[17], 'date', true, true, $LANG01[36] . ' %s');
$obj->setField($LANG09[5], SQL_TITLE, $show_type, true, ' - %s');
$obj->setField($LANG09[50], 'hits', $show_hits, true, ' - %s ' . $LANG09[50]);
$obj->setField('', '_html', true, false, '</span>');
$this->_wordlength = 50;
}
}
$obj->setDefaultSort('date');
$obj->setRowFunction(array($this, 'searchFormatCallBack'));
// Start search timer
$searchtimer = new timerobject();
$searchtimer->setPercision(4);
$searchtimer->startTimer();
// Have plugins do their searches
$page = isset($_REQUEST['page']) ? COM_applyFilter($_REQUEST['page'], true) : 1;
$result_plugins = PLG_doSearch($this->_query, $this->_dateStart, $this->_dateEnd, $this->_topic, $this->_type, $this->_author, $this->_keyType, $page, 5);
$result_plugins_comment = PLG_doSearchComment($this->_query, $this->_dateStart, $this->_dateEnd, $this->_topic, $this->_type, $this->_author, $this->_keyType, $page, 5);
$result_plugins = array_merge($result_plugins, $result_plugins_comment);
// Add core searches
if ($this->_type == 'all' || $this->_type == 'stories') {
$result_plugins[] = $this->_searchStories();
}
if ($this->_type == 'all' || $this->_type == 'comments') {
$result_plugins[] = $this->_searchComments();
}
// Loop through all plugins separating the new API from the old
$new_api = 0;
$old_api = 0;
$num_results = 0;
if (!isset($_CONF['search_use_fulltext'])) {
$_CONF['search_use_fulltext'] = false;
}
foreach ($result_plugins as $result) {
if (is_a($result, 'SearchCriteria')) {
$debug_info .= $result->getName() . " using APIv2, ";
$type = $result->getType();
if ($type == 'sql') {
if ($_CONF['search_use_fulltext'] == true && $result->getFTSQL() != '') {
$debug_info .= "search using FULLTEXT\n";
$sql = $result->getFTSQL();
} else {
$debug_info .= "search using LIKE\n";
$sql = $result->getSQL();
}
$sql = $this->_convertsql($sql);
$obj->setQuery($result->getLabel(), $result->getName(), $sql, $result->getRank());
$this->_url_rewrite[$result->getName()] = $result->UrlRewriteEnable() ? true : false;
} else {
if ($type == 'text') {
$obj->setQueryText($result->getLabel(), $result->getName(), $this->_query, $result->getNumResults(), $result->getRank());
}
}
$new_api++;
} else {
if (is_a($result, 'Plugin') && $result->num_searchresults != 0) {
// Some backwards compatibility
$debug_info .= $result->plugin_name . " using APIv1, search using backwards compatibility\n";
// Find the column heading names that closely match what we are looking for
// There may be issues here on different languages, but this _should_ capture most of the data
$col_title = $this->_findColumn($result->searchheading, array($LANG09[16], $LANG31[4], 'Question'));
//Title,Subject
$col_desc = $this->_findColumn($result->searchheading, array($LANG09[63], 'Answer'));
$col_date = $this->_findColumn($result->searchheading, array($LANG09[17]));
//'Date','Date Added','Last Updated','Date & Time'
$col_user = $this->_findColumn($result->searchheading, array($LANG09[18], 'Submited by'));
$col_hits = $this->_findColumn($result->searchheading, array($LANG09[50], $LANG09[23], 'Downloads', 'Clicks'));
//'Hits','Views'
$col_url = $this->_findColumn($result->searchheading, array('URL'));
//'Hits','Views'
$label = str_replace($LANG09[59], '', $result->searchlabel);
if ($result->num_itemssearched > 0) {
$_page = isset($_REQUEST['page']) ? COM_applyFilter($_REQUEST['page'], true) : 1;
if (isset($_REQUEST['results'])) {
$_per_page = COM_applyFilter($_REQUEST['results'], true);
} else {
$_per_page = $obj->getPerPage();
}
$obj->addTotalRank(3);
$pp = round(3 / $obj->getTotalRank() * $_per_page);
$offset = ($_page - 1) * $pp;
$limit = $pp;
$obj->addToTotalFound($result->num_itemssearched);
$counter = 0;
// Extract the results
foreach ($result->searchresults as $old_row) {
if ($counter >= $offset && $counter <= $offset + $limit) {
if ($col_date != -1) {
// Convert the date back to a timestamp
$date = $old_row[$col_date];
$date = substr($date, 0, strpos($date, '@'));
if ($date == '') {
$date = $old_row[$col_date];
} else {
$date = strtotime($date);
}
}
$api_results = array(SQL_NAME => $result->plugin_name, SQL_TITLE => $label, 'title' => $col_title == -1 ? $_CONF['search_no_data'] : $old_row[$col_title], 'description' => $col_desc == -1 ? $_CONF['search_no_data'] : $old_row[$col_desc], 'date' => $col_date == -1 ? ' ' : $date, 'uid' => $col_user == -1 ? '' : $old_row[$col_user], 'hits' => $col_hits == -1 ? '0' : str_replace(',', '', $old_row[$col_hits]), 'url' => $old_row[$col_url]);
$obj->addResult($api_results);
}
$counter++;
}
}
$old_api++;
}
}
}
// Find out how many plugins are on the old/new system
$debug_info .= "\nAPIv1: {$old_api}\nAPIv2: {$new_api}";
// Execute the queries
$results = $obj->ExecuteQueries();
// Searches are done, stop timer
$searchtime = $searchtimer->stopTimer();
$escquery = htmlspecialchars($this->_query);
if ($this->_keyType == 'any') {
$searchQuery = str_replace(' ', "</b>' " . $LANG09[57] . " '<b>", $escquery);
$searchQuery = "<b>'{$searchQuery}'</b>";
} else {
if ($this->_keyType == 'all') {
$searchQuery = str_replace(' ', "</b>' " . $LANG09[56] . " '<b>", $escquery);
$searchQuery = "<b>'{$searchQuery}'</b>";
} else {
$searchQuery = $LANG09[55] . " '<b>{$escquery}</b>'";
}
}
// Clean the query string so that sprintf works as expected
$searchQuery = str_replace("%", "%%", $searchQuery);
$searchText = "{$LANG09[25]} {$searchQuery}. ";
$retval .= $this->showForm();
if (count($results) == 0) {
$retval .= '<div style="margin-bottom:5px;border-bottom:1px solid #ccc;"></div>';
$retval .= $LANG09[74];
} else {
$retval .= $obj->getFormattedOutput($results, $LANG09[11], $list_top, '');
}
return $retval;
}
