diff options
Diffstat (limited to 'modules/search/helpers/search.php')
-rw-r--r-- | modules/search/helpers/search.php | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/modules/search/helpers/search.php b/modules/search/helpers/search.php index a3fd795a..a77a2433 100644 --- a/modules/search/helpers/search.php +++ b/modules/search/helpers/search.php @@ -36,8 +36,19 @@ class search_Core { static function search($q, $limit, $offset) { $db = Database::instance(); - $q = $db->escape($q); + $query = self::_build_query_base($q) . + "ORDER BY `score` DESC " . + "LIMIT $limit OFFSET " . (int)$offset; + + $data = $db->query($query); + $count = $db->query("SELECT FOUND_ROWS() as c")->current()->c; + + return array($count, new ORM_Iterator(ORM::factory("item"), $data)); + } + + private static function _build_query_base($q, $where=array()) { + $q = Database::instance()->escape($q); if (!identity::active_user()->admin) { foreach (identity::group_ids_for_active_user() as $id) { $fields[] = "`view_$id` = TRUE"; // access::ALLOW @@ -47,18 +58,13 @@ class search_Core { $access_sql = ""; } - $query = + return "SELECT SQL_CALC_FOUND_ROWS {items}.*, " . " MATCH({search_records}.`data`) AGAINST ('$q') AS `score` " . "FROM {items} JOIN {search_records} ON ({items}.`id` = {search_records}.`item_id`) " . "WHERE MATCH({search_records}.`data`) AGAINST ('$q' IN BOOLEAN MODE) " . - $access_sql . - "ORDER BY `score` DESC " . - "LIMIT $limit OFFSET " . (int)$offset; - $data = $db->query($query); - $count = $db->query("SELECT FOUND_ROWS() as c")->current()->c; - - return array($count, new ORM_Iterator(ORM::factory("item"), $data)); + (empty($where) ? "" : " AND " . join(" AND ", $where)) . + $access_sql; } /** @@ -103,4 +109,25 @@ class search_Core { return array($remaining, $total, $percent); } + + static function get_position($item, $q) { + $page_size = module::get_var("gallery", "page_size", 9); + + $query = self::_build_query_base($q, array("{items}.id = " . $item->id)); + + $db = Database::instance(); + + // Truncate the score by two decimal places as this resolves the issues + // that arise due to in exact numeric conversions. + $score = $db->query($query)->current()->score; + $score = substr($score, 0, strlen($score) - 2); + + $data = $db->query(self::_build_query_base($q) . "having `score` >= " . $score); + + $data->seek($data->count() - 1); + + while ($data->get("id") != $item->id && $data->prev()->valid()); + + return $data->key() + 1; + } } |