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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 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 tag_task_Core {
static function available_tasks() {
$tasks[] = Task_Definition::factory()
->callback("tag_task::clean_up_tags")
->name(t("Clean up tags"))
->description(t("Correct tag counts and remove tags with no items"))
->severity(log::SUCCESS);
return $tasks;
}
/**
* Fix up tag counts and delete any tags that have no associated items.
* @param Task_Model the task
*/
static function clean_up_tags($task) {
$errors = array();
try {
$start = microtime(true);
$last_tag_id = $task->get("last_tag_id", null);
$current = 0;
$total = 0;
switch ($task->get("mode", "init")) {
case "init":
$task->set("total", ORM::factory("tag")->count_all());
$task->set("mode", "clean_up_tags");
$task->set("completed", 0);
$task->set("last_tag_id", 0);
case "clean_up_tags":
$completed = $task->get("completed");
$total = $task->get("total");
$last_tag_id = $task->get("last_tag_id");
$tags = ORM::factory("tag")->where("id", ">", $last_tag_id)->find_all(25);
Kohana_Log::add("error",print_r(Database::instance()->last_query(),1));
while ($current < $total && microtime(true) - $start < 1 && $tag = $tags->current()) {
$last_tag_id = $tag->id;
$real_count = $tag->items_count();
if ($tag->count != $real_count) {
$tag->count = $real_count;
if ($tag->count) {
$task->log(
"Fixing count for tag {$tag->name} (id: {$tag->id}, new count: {$tag->count})");
$tag->save();
} else {
$task->log("Deleting empty tag {$tag->name} ({$tag->id})");
$tag->delete();
}
}
$completed++;
$tags->next();
}
$task->percent_complete = $completed / $total * 100;
$task->set("completed", $completed);
$task->set("last_tag_id", $last_tag_id);
}
$task->status = t2("Examined %count tag", "Examined %count tags", $completed);
if ($completed == $total) {
$task->done = true;
$task->state = "success";
$task->percent_complete = 100;
}
} catch (Exception $e) {
Kohana_Log::add("error",(string)$e);
$task->done = true;
$task->state = "error";
$task->status = $e->getMessage();
$errors[] = (string)$e;
}
if ($errors) {
$task->log($errors);
}
}
}
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