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/phpbb/cron/task/ -> wrapper.php (source)

   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\cron\task;
  15  
  16  /**
  17  * Cron task wrapper class.
  18  * Enhances cron tasks with convenience methods that work identically for all tasks.
  19  */
  20  class wrapper
  21  {
  22      protected $task;
  23      protected $phpbb_root_path;
  24      protected $php_ext;
  25  
  26      /**
  27      * Constructor.
  28      *
  29      * Wraps a task $task, which must implement cron_task interface.
  30      *
  31      * @param \phpbb\cron\task\task $task The cron task to wrap.
  32      * @param string $phpbb_root_path Relative path to phpBB root
  33      * @param string $php_ext PHP file extension
  34      */
  35  	public function __construct(\phpbb\cron\task\task $task, $phpbb_root_path, $php_ext)
  36      {
  37          $this->task = $task;
  38          $this->phpbb_root_path = $phpbb_root_path;
  39          $this->php_ext = $php_ext;
  40      }
  41  
  42      /**
  43      * Returns whether the wrapped task is parametrised.
  44      *
  45      * Parametrized tasks accept parameters during initialization and must
  46      * normally be scheduled with parameters.
  47      *
  48      * @return bool        Whether or not this task is parametrized.
  49      */
  50  	public function is_parametrized()
  51      {
  52          return $this->task instanceof \phpbb\cron\task\parametrized;
  53      }
  54  
  55      /**
  56      * Returns whether the wrapped task is ready to run.
  57      *
  58      * A task is ready to run when it is runnable according to current configuration
  59      * and enough time has passed since it was last run.
  60      *
  61      * @return bool        Whether the wrapped task is ready to run.
  62      */
  63  	public function is_ready()
  64      {
  65          return $this->task->is_runnable() && $this->task->should_run();
  66      }
  67  
  68      /**
  69      * Returns a url through which this task may be invoked via web.
  70      *
  71      * When system cron is not in use, running a cron task is accomplished
  72      * by outputting an image with the url returned by this function as
  73      * source.
  74      *
  75      * @return string        URL through which this task may be invoked.
  76      */
  77  	public function get_url()
  78      {
  79          $name = $this->get_name();
  80          if ($this->is_parametrized())
  81          {
  82              $params = $this->task->get_parameters();
  83              $extra = '';
  84              foreach ($params as $key => $value)
  85              {
  86                  $extra .= '&amp;' . $key . '=' . urlencode($value);
  87              }
  88          }
  89          else
  90          {
  91              $extra = '';
  92          }
  93          $url = append_sid($this->phpbb_root_path . 'cron.' . $this->php_ext, 'cron_type=' . $name . $extra);
  94          return $url;
  95      }
  96  
  97      /**
  98      * Forwards all other method calls to the wrapped task implementation.
  99      *
 100      * @return mixed
 101      */
 102  	public function __call($name, $args)
 103      {
 104          return call_user_func_array(array($this->task, $name), $args);
 105      }
 106  }


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