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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2011 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 Task_Model_Core extends ORM {
public function get($key, $default=null) {
$context = unserialize($this->context);
if (array_key_exists($key, $context)) {
return $context[$key];
} else {
return $default;
}
}
public function set($key, $value=null) {
$context = unserialize($this->context);
$context[$key] = $value;
$this->context = serialize($context);
}
public function save() {
if (!empty($this->changed)) {
$this->updated = time();
}
return parent::save();
}
public function delete($ignored_id=null) {
Cache::instance()->delete($this->_cache_key());
return parent::delete();
}
public function owner() {
return identity::lookup_user($this->owner_id);
}
/**
* Log a message to the task log.
* @params $msg mixed a string or array of strings
*/
public function log($msg) {
$key = $this->_cache_key();
$log = Cache::instance()->get($key);
if (is_array($msg)) {
$msg = implode("\n", $msg);
}
// Save for 30 days.
$log .= !empty($log) ? "\n" : "";
Cache::instance()->set($key, "$log{$msg}",
array("task", "log", "import"), 2592000);
}
/**
* Retrieve the cached log information for this task.
* @returns the log data or null if there is no log data
*/
public function get_log() {
$log_data = Cache::instance()->get($this->_cache_key());
return $log_data !== null ? $log_data : false;
}
/**
* Build the task cache key
* @returns the key to use in access the cache
*/
private function _cache_key() {
return md5("$this->id; $this->name; $this->callback");
}
}
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