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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 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 exif_task_Core {
static function available_tasks() {
// Delete extra exif_records
Database::instance()->query(
"DELETE FROM {exif_records} " .
"WHERE {exif_records}.`item_id` NOT IN " .
"(SELECT `id` FROM {items} WHERE {items}.`type` = 'photo')");
list ($remaining, $total, $percent) = exif::stats();
return array(Task_Definition::factory()
->callback("exif_task::update_index")
->name(t("Extract Exif data"))
->description($remaining
? t2("1 photo needs to be scanned",
"%count (%percent%) of your photos need to be scanned",
$remaining, array("percent" => (100 - $percent)))
: t("Exif data is up-to-date"))
->severity($remaining ? log::WARNING : log::SUCCESS));
}
static function update_index($task) {
try {
$completed = $task->get("completed", 0);
$start = microtime(true);
foreach (ORM::factory("item")
->join("exif_records", "items.id", "exif_records.item_id", "left")
->where("type", "photo")
->open_paren()
->where("exif_records.item_id", null)
->orwhere("exif_records.dirty", 1)
->close_paren()
->find_all() as $item) {
// The query above can take a long time, so start the timer after its done
// to give ourselves a little time to actually process rows.
if (!isset($start)) {
$start = microtime(true);
}
exif::extract($item);
$completed++;
if (microtime(true) - $start > 1.5) {
break;
}
}
list ($remaining, $total, $percent) = exif::stats();
$task->set("completed", $completed);
if ($remaining == 0 || !($remaining + $completed)) {
$task->done = true;
$task->state = "success";
site_status::clear("exif_index_out_of_date");
$task->percent_complete = 100;
} else {
$task->percent_complete = round(100 * $completed / ($remaining + $completed));
}
$task->status = t2("one record updated, index is %percent% up-to-date",
"%count records updated, index is %percent% up-to-date",
$completed, array("percent" => $percent));
} catch (Exception $e) {
$task->done = true;
$task->state = "error";
$task->status = $e->getMessage();
$task->log($e->__toString());
}
}
}
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