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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 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_task_Core {
static function available_tasks() {
// Delete extra search_records
Database::instance()->query(
"DELETE FROM {search_records} " .
"WHERE {search_records}.`item_id` NOT IN " .
"(SELECT `id` FROM {items})");
// Insert missing search_records
Database::instance()->query(
"INSERT INTO {search_records}(`item_id`) (" .
" SELECT {items}.`id` FROM {items} " .
" LEFT JOIN {search_records} ON ({search_records}.`item_id` = {items}.`id`) " .
" WHERE {search_records}.`id` IS NULL)");
list ($remaining, $total, $percent) = self::_get_stats();
return array(Task_Definition::factory()
->callback("search_task::update_index")
->name(t("Update Search Index"))
->description($remaining ?
t("Search index is %percent% up-to-date",
array("percent" => $percent))
: t("Search index is up to date"))
->severity($remaining ? log::WARNING : log::SUCCESS));
}
static function update_index($task) {
$completed = $task->get("completed", 0);
$start = microtime(true);
while (!$task->done && microtime(true) - $start < 1) {
foreach (ORM::factory("search_record")->where("dirty", 1)->limit(5)->find_all() as $record) {
search::update_record($record);
$completed++;
}
list ($remaining, $total, $percent) = self::_get_stats();
if ($remaining + $completed) {
$task->percent_complete = round(100 * $completed / ($remaining + $completed));
$task->status = t("%done records updated, index is %percent% up-to-date",
array("done" => $completed, "percent" => $percent));
} else {
$task->percent_complete = 100;
}
}
$task->set("completed", $completed);
if ($remaining == 0) {
$task->done = true;
$task->state = "success";
site_status::clear("search_index_out_of_date");
}
}
private static function _get_stats() {
$remaining = ORM::factory("search_record")->where("dirty", 1)->count_all();
$total = ORM::factory("search_record")->count_all();
$percent = round(100 * ($total - $remaining) / $total);
return array($remaining, $total, $percent);
}
}
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