Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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wrapper.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\cron\task;
015
016 /**
017 * Cron task wrapper class.
018 * Enhances cron tasks with convenience methods that work identically for all tasks.
019 */
020 class wrapper
021 {
022 protected $task;
023 protected $phpbb_root_path;
024 protected $php_ext;
025
026 /**
027 * Constructor.
028 *
029 * Wraps a task $task, which must implement cron_task interface.
030 *
031 * @param \phpbb\cron\task\task $task The cron task to wrap.
032 * @param string $phpbb_root_path Relative path to phpBB root
033 * @param string $php_ext PHP file extension
034 */
035 public function __construct(\phpbb\cron\task\task $task, $phpbb_root_path, $php_ext)
036 {
037 $this->task = $task;
038 $this->phpbb_root_path = $phpbb_root_path;
039 $this->php_ext = $php_ext;
040 }
041
042 /**
043 * Returns whether the wrapped task is parametrised.
044 *
045 * Parametrized tasks accept parameters during initialization and must
046 * normally be scheduled with parameters.
047 *
048 * @return bool Whether or not this task is parametrized.
049 */
050 public function is_parametrized()
051 {
052 return $this->task instanceof \phpbb\cron\task\parametrized;
053 }
054
055 /**
056 * Returns whether the wrapped task is ready to run.
057 *
058 * A task is ready to run when it is runnable according to current configuration
059 * and enough time has passed since it was last run.
060 *
061 * @return bool Whether the wrapped task is ready to run.
062 */
063 public function is_ready()
064 {
065 return $this->task->is_runnable() && $this->task->should_run();
066 }
067
068 /**
069 * Returns a url through which this task may be invoked via web.
070 *
071 * When system cron is not in use, running a cron task is accomplished
072 * by outputting an image with the url returned by this function as
073 * source.
074 *
075 * @return string URL through which this task may be invoked.
076 */
077 public function get_url()
078 {
079 $name = $this->get_name();
080 if ($this->is_parametrized())
081 {
082 $params = $this->task->get_parameters();
083 $extra = '';
084 foreach ($params as $key => $value)
085 {
086 $extra .= '&' . $key . '=' . urlencode($value);
087 }
088 }
089 else
090 {
091 $extra = '';
092 }
093 $url = append_sid($this->phpbb_root_path . 'cron.' . $this->php_ext, 'cron_type=' . $name . $extra);
094 return $url;
095 }
096
097 /**
098 * Forwards all other method calls to the wrapped task implementation.
099 *
100 * @return mixed
101 */
102 public function __call($name, $args)
103 {
104 return call_user_func_array(array($this->task, $name), $args);
105 }
106 }
107