diff options
Diffstat (limited to 'modules/search')
-rw-r--r-- | modules/search/controllers/search.php | 21 | ||||
-rw-r--r-- | modules/search/helpers/search.php | 45 | ||||
-rw-r--r-- | modules/search/libraries/Search_Display_Context.php | 52 |
3 files changed, 108 insertions, 10 deletions
diff --git a/modules/search/controllers/search.php b/modules/search/controllers/search.php index 5db63ab0..1d5a55bf 100644 --- a/modules/search/controllers/search.php +++ b/modules/search/controllers/search.php @@ -21,6 +21,18 @@ class Search_Controller extends Controller { public function index() { $page_size = module::get_var("gallery", "page_size", 9); $q = Input::instance()->get("q"); + $q_with_more_terms = search::add_query_terms($q); + $show = Input::instance()->get("show"); + + if ($show) { + $child = ORM::factory("item", $show); + $index = search::get_position($child, $q_with_more_terms); + if ($index) { + $page = ceil($index / $page_size); + url::redirect( url::abs_site("search?q=" . urlencode($q) . ($page == 1 ? "" : "&page=$page"))); + } + } + $page = Input::instance()->get("page", 1); // Make sure that the page references a valid offset @@ -30,11 +42,18 @@ class Search_Controller extends Controller { $offset = ($page - 1) * $page_size; - $q_with_more_terms = search::add_query_terms($q); list ($count, $result) = search::search($q_with_more_terms, $page_size, $offset); + $title = t("Search: %q", array("q" => $q_with_more_terms)); + $max_pages = max(ceil($count / $page_size), 1); + Display_Context::factory("search") + ->set(array("title" => $title, + "query_terms" => $q_with_more_terms, + "q" => $q)) + ->save(); + $template = new Theme_View("page.html", "collection", "search"); $root = item::root(); $template->set_global( diff --git a/modules/search/helpers/search.php b/modules/search/helpers/search.php index a3fd795a..a77a2433 100644 --- a/modules/search/helpers/search.php +++ b/modules/search/helpers/search.php @@ -36,8 +36,19 @@ class search_Core { static function search($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 $data->key() + 1; + } } diff --git a/modules/search/libraries/Search_Display_Context.php b/modules/search/libraries/Search_Display_Context.php new file mode 100644 index 00000000..aed3a125 --- /dev/null +++ b/modules/search/libraries/Search_Display_Context.php @@ -0,0 +1,52 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2011 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +class Search_Display_Context_Core extends Display_Context { + protected function __construct() { + parent::__construct("search"); + } + + function display_context($item) { + $position = search::get_position($item, $this->get("query_terms")); + + if ($position > 1) { + list ($count, $result_data) = + search::search($this->get("query_terms"), 3, $position - 2); + list ($previous_item, $ignore, $next_item) = $result_data; + } else { + $previous_item = null; + list ($count, $result_data) = search::search($this->get("query_terms"), 1, $position); + list ($next_item) = $result_data; + } + + $q = $this->get("q"); + $search_url = url::abs_site("search?q=" . urlencode($q) . "&show={$item->id}"); + $root = item::root(); + + return array("position" =>$position, + "previous_item" => $previous_item, + "next_item" =>$next_item, + "sibling_count" => $count, + "breadcrumbs" => array( + Breadcrumb::instance($root->title, "/", $root->id), + Breadcrumb::instance($q, $search_url), + Breadcrumb::instance($item->title, $item->url()))); + } +} |