/**
* List all the scheduled task in place on the forum.
*
* @uses ManageScheduledTasks template, view_scheduled_tasks sub-template
*/
public function action_tasks()
{
global $context, $txt, $scripturl;
// We'll need to recalculate dates and stuff like that.
require_once SUBSDIR . '/ScheduledTasks.subs.php';
// Mama, setup the template first - cause it's like the most important bit, like pickle in a sandwich.
// ... ironically I don't like pickle. </grudge>
$context['sub_template'] = 'view_scheduled_tasks';
$context['page_title'] = $txt['maintain_tasks'];
// Saving changes?
if (isset($_REQUEST['save']) && isset($_POST['enable_task'])) {
checkSession();
// Enable and disable as required.
$enablers = array(0);
foreach ($_POST['enable_task'] as $id => $enabled) {
if ($enabled) {
$enablers[] = (int) $id;
}
}
// Do the update!
updateTaskStatus($enablers);
// Pop along...
calculateNextTrigger();
}
// Want to run any of the tasks?
if (isset($_REQUEST['run']) && isset($_POST['run_task'])) {
// Lets figure out which ones they want to run.
$tasks = array();
foreach ($_POST['run_task'] as $task => $dummy) {
$tasks[] = (int) $task;
}
// Load up the tasks.
$nextTasks = loadTasks($tasks);
// Lets get it on!
require_once SUBSDIR . '/ScheduledTask.class.php';
call_integration_include_hook('integrate_autotask_include');
ignore_user_abort(true);
foreach ($nextTasks as $task_id => $taskname) {
run_this_task($task_id, $taskname);
}
// Things go as expected? If not save the error in session
if (!empty($context['scheduled_errors'])) {
$_SESSION['st_error'] = $context['scheduled_errors'];
}
redirectexit('action=admin;area=scheduledtasks;done');
}
// Build the list so we can see the tasks
$listOptions = array('id' => 'scheduled_tasks', 'title' => $txt['maintain_tasks'], 'base_href' => $scripturl . '?action=admin;area=scheduledtasks', 'get_items' => array('function' => array($this, 'list_getScheduledTasks')), 'columns' => array('name' => array('header' => array('value' => $txt['scheduled_tasks_name'], 'style' => 'width: 40%;'), 'data' => array('sprintf' => array('format' => '
<a class="linkbutton" href="' . $scripturl . '?action=admin;area=scheduledtasks;sa=taskedit;tid=%1$d" title="' . $txt['scheduled_task_edit'] . ' %2$s"><i class="fa fa-pencil-square-o"></i> %2$s</a><br /><span class="smalltext">%3$s</span>', 'params' => array('id' => false, 'name' => false, 'desc' => false)))), 'next_due' => array('header' => array('value' => $txt['scheduled_tasks_next_time']), 'data' => array('db' => 'next_time', 'class' => 'smalltext')), 'regularity' => array('header' => array('value' => $txt['scheduled_tasks_regularity']), 'data' => array('db' => 'regularity', 'class' => 'smalltext')), 'enabled' => array('header' => array('value' => $txt['scheduled_tasks_enabled'], 'style' => 'width: 6%;text-align: center;'), 'data' => array('sprintf' => array('format' => '
<input type="hidden" name="enable_task[%1$d]" id="task_%1$d" value="0" /><input type="checkbox" name="enable_task[%1$d]" id="task_check_%1$d" %2$s class="input_check" />', 'params' => array('id' => false, 'checked_state' => false)), 'class' => 'centertext')), 'run_now' => array('header' => array('value' => $txt['scheduled_tasks_run_now'], 'style' => 'width: 12%;text-align: center;'), 'data' => array('sprintf' => array('format' => '
<input type="checkbox" name="run_task[%1$d]" id="run_task_%1$d" class="input_check" />', 'params' => array('id' => false)), 'class' => 'centertext'))), 'form' => array('href' => $scripturl . '?action=admin;area=scheduledtasks'), 'additional_rows' => array(array('class' => 'submitbutton', 'position' => 'below_table_data', 'value' => '
<input type="submit" name="run" value="' . $txt['scheduled_tasks_run_now'] . '" class="right_submit" />
<input type="submit" name="save" value="' . $txt['scheduled_tasks_save_changes'] . '" class="right_submit" />'), array('position' => 'after_title', 'value' => $txt['scheduled_tasks_time_offset'], 'class' => 'windowbg2')));
require_once SUBSDIR . '/GenericList.class.php';
createList($listOptions);
$context['sub_template'] = 'view_scheduled_tasks';
$context['tasks_were_run'] = isset($_GET['done']);
// If we had any errors, place them in context as well
if (isset($_SESSION['st_error'])) {
$context['scheduled_errors'] = $_SESSION['st_error'];
unset($_SESSION['st_error']);
}
}
/**
* Process the next tasks, one by one, and update the results.
*
* @package ScheduledTasks
* @param int $ts = 0
*/
function processNextTasks($ts = 0)
{
$db = database();
// We'll run tasks, or so we hope.
require_once SUBSDIR . '/ScheduledTask.class.php';
// Select the next task to do.
$request = $db->query('', '
SELECT id_task, task, next_time, time_offset, time_regularity, time_unit
FROM {db_prefix}scheduled_tasks
WHERE disabled = {int:not_disabled}
AND next_time <= {int:current_time}
ORDER BY next_time ASC
LIMIT 1', array('not_disabled' => 0, 'current_time' => time()));
if ($db->num_rows($request) != 0) {
// The two important things really...
$row = $db->fetch_assoc($request);
// When should this next be run?
$next_time = next_time($row['time_regularity'], $row['time_unit'], $row['time_offset']);
// How long in seconds is the gap?
$duration = $row['time_regularity'];
if ($row['time_unit'] == 'm') {
$duration *= 60;
} elseif ($row['time_unit'] == 'h') {
$duration *= 3600;
} elseif ($row['time_unit'] == 'd') {
$duration *= 86400;
} elseif ($row['time_unit'] == 'w') {
$duration *= 604800;
}
// If we were really late running this task actually skip the next one.
if (time() + $duration / 2 > $next_time) {
$next_time += $duration;
}
// Update it now, so no others run this!
$db->query('', '
UPDATE {db_prefix}scheduled_tasks
SET next_time = {int:next_time}
WHERE id_task = {int:id_task}
AND next_time = {int:current_next_time}', array('next_time' => $next_time, 'id_task' => $row['id_task'], 'current_next_time' => $row['next_time']));
$affected_rows = $db->affected_rows();
// Do also some timestamp checking,
// and do this only if we updated it before.
if ((empty($ts) || $ts == $row['next_time']) && $affected_rows) {
ignore_user_abort(true);
run_this_task($row['id_task'], $row['task']);
}
}
$db->free_result($request);
}
