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129 lines
2.9 KiB
PHP
129 lines
2.9 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\cron\task;
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use phpbb\routing\helper;
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/**
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* Cron task wrapper class.
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* Enhances cron tasks with convenience methods that work identically for all tasks.
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*/
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class wrapper
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{
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/**
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* @var helper
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*/
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protected $routing_helper;
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/**
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* @var task
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*/
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protected $task;
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/**
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* @var \phpbb\template\template
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*/
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protected $template;
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/**
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* Constructor.
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*
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* Wraps a task $task, which must implement cron_task interface.
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*
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* @param task $task The cron task to wrap.
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* @param helper $routing_helper Routing helper for route generation
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* @param \phpbb\template\template $template
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*/
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public function __construct(task $task, helper $routing_helper, $template)
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{
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$this->task = $task;
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$this->routing_helper = $routing_helper;
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$this->template = $template;
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}
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/**
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* Returns whether the wrapped task is parametrised.
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*
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* Parametrized tasks accept parameters during initialization and must
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* normally be scheduled with parameters.
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*
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* @return bool Whether or not this task is parametrized.
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*/
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public function is_parametrized()
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{
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return $this->task instanceof parametrized;
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}
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/**
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* Returns whether the wrapped task is ready to run.
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*
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* A task is ready to run when it is runnable according to current configuration
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* and enough time has passed since it was last run.
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*
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* @return bool Whether the wrapped task is ready to run.
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*/
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public function is_ready()
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{
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return $this->task->is_runnable() && $this->task->should_run();
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}
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/**
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* Returns a url through which this task may be invoked via web.
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*
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* When system cron is not in use, running a cron task is accomplished
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* by outputting an image with the url returned by this function as
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* source.
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*
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* @return string URL through which this task may be invoked.
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*/
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public function get_url()
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{
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$params = [];
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$params['cron_type'] = $this->get_name();
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if ($this->task instanceof parametrized)
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{
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$params = array_merge($params, $this->task->get_parameters());
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}
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return $this->routing_helper->route('phpbb_cron_run', $params);
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}
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/**
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* Returns HTML for an invisible `img` tag that can be displayed on page
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* load to trigger a request to the relevant cron task endpoint.
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*
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* @return string HTML to render to trigger cron task
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*/
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public function get_html_tag()
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{
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$this->template->set_filenames([
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'cron_html_tag' => 'cron.html',
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]);
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$this->template->assign_var('CRON_TASK_URL', $this->get_url());
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return (string) $this->template->assign_display('cron_html_tag');
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}
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/**
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* Forwards all other method calls to the wrapped task implementation.
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*
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* @return mixed
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*/
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public function __call($name, $args)
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{
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return call_user_func_array(array($this->task, $name), $args);
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}
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}
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