diff options
Diffstat (limited to 'core/helpers')
| -rw-r--r-- | core/helpers/core_installer.php | 4 | ||||
| -rw-r--r-- | core/helpers/task.php | 101 |
2 files changed, 104 insertions, 1 deletions
diff --git a/core/helpers/core_installer.php b/core/helpers/core_installer.php index bf83c339..e1dd34c2 100644 --- a/core/helpers/core_installer.php +++ b/core/helpers/core_installer.php @@ -171,7 +171,9 @@ class core_installer { `percent_complete` int(9) default 0, `state` varchar(32) default NULL, `status` varchar(255) default NULL, - PRIMARY KEY (`id`)) + `owner_id` int(9) default NULL, + PRIMARY KEY (`id`), + KEY (`owner_id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;"); $db->query("CREATE TABLE `vars` ( diff --git a/core/helpers/task.php b/core/helpers/task.php new file mode 100644 index 00000000..816a5288 --- /dev/null +++ b/core/helpers/task.php @@ -0,0 +1,101 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2008 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ +class task_Core { + /** + * Get all available tasks + */ + static function get_task_definitions($type=array("admin", "both")) { + $tasks = array(); + foreach (module::installed() as $module_name => $module_info) { + $class_name = "{$module_name}_task"; + if (method_exists($class_name, "available_tasks")) { + foreach (call_user_func(array($class_name, "available_tasks")) as $task) { + if (in_array($task->type, $type)) { + $tasks[$task->callback] = $task; + } + } + } + } + + return $tasks; + } + + static function create($task_callback) { + $task_definitions = self::get_task_definitions(array("admin", "general", "both")); + + $task = ORM::factory("task"); + $task->callback = $task_callback; + $task->name = $task_definitions[$task_callback]->name; + $task->percent_complete = 0; + $task->status = ""; + $task->state = "started"; + $task->owner_id = user::active()->id; + $task->context = serialize(array()); + $task->save(); + + return $task; + } + + static function cancel($task_id) { + $task = ORM::factory("task", $task_id); + if (!$task->loaded) { + throw new Exception("@todo MISSING_TASK"); + } + $task->done = 1; + $task->state = "cancelled"; + $task->save(); + + return $task; + } + + static function remove($task_id) { + $task = ORM::factory("task", $task_id); + if ($task->loaded) { + $task->delete(); + } + } + + static function run($task_id) { + $task = ORM::factory("task", $task_id); + if (!$task->loaded) { + throw new Exception("@todo MISSING_TASK"); + } + + $task->state = "running"; + call_user_func_array($task->callback, array(&$task)); + $task->save(); + + return $task; + } + + static function success($task, $location=null) { + $result = array("result" => "success", "task" => $task->as_array()); + if (!empty($location)) { + $result["location"] = $location; + } + return json_encode($result); + } + + static function in_progress($task) { + return json_encode( + array("result" => "in_progress", + "task" => $task->as_array())); + } +}
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